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1. Correction: Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life

Author: Caroline Carlé, Delphine Boucher, Luisa Morelli, Camille Larue, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Jean-Luc Ravanat, Gilles Dietrich, Sandrine Menard, Gérard Eberl, Nicolas Barnich, Emmanuel Mas, Marie Carriere, Ziad Al Nabhani, and Frédérick Barreau
Subjects: Toxicology. Poisons, RA1190-1270, Industrial hygiene. Industrial welfare, HD7260-7780.8
Published: 2024
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2. Deaths induced by compassionate use of hydroxychloroquine during the first COVID-19 wave: an estimate

Author: Alexiane PRADELLE, Sabine MAINBOURG, Steeve PROVENCHER, Emmanuel MASSY, Guillaume GRENET, and Jean-Christophe LEGA
Subjects: Covid-19, Off-label treatment, Safety, Repurposing, Therapeutics. Pharmacology, RM1-950
Abstract: Background: During the first wave of COVID-19, hydroxychloroquine (HCQ) was used off-label despite the absence of evidence documenting its clinical benefits. Since then, a meta-analysis of randomised trials showed that HCQ use was associated with an 11% increase in the mortality rate. We aimed to estimate the number of HCQ-related deaths worldwide. Methods and findings: We estimated the worldwide in-hospital mortality attributable to HCQ use by combining the mortality rate, HCQ exposure, number of hospitalised patients, and the increased relative risk of death with HCQ. The mortality rate in hospitalised patients for each country was calculated using pooled prevalence estimated by a meta-analysis of published cohorts. The HCQ exposure was estimated using median and extreme estimates from the same systematic review. The number of hospitalised patients during the first wave was extracted from dedicated databases. The systematic review included 44 cohort studies (Belgium: k = 1, France: k = 2, Italy: k = 12, Spain: k = 6, Turkey: k = 3, USA: k = 20). HCQ prescription rates varied greatly from one country to another (range 16–84%). Overall, using median estimates of HCQ use in each country, we estimated that 16,990 HCQ-related in-hospital deaths (range 6267–19256) occurred in the countries with available data. The median number of HCQ-related deaths in Belgium, Turkey, France, Italy, Spain, and the USA was 240 (range not estimable), 95 (range 92–128), 199 (range not estimable), 1822 (range 1170–2063), 1895 (range 1475–2094) and 12739 (3244− 15570), respectively. Conclusions: Although our estimates are limited by their imprecision, these findings illustrate the hazard of drug repurposing with low-level evidence.
Published: 2024
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3. Using wavelet transform and hybrid CNN – LSTM models on VOC & ultrasound IoT sensor data for non-visual maize disease detection

Author: Theofrida Julius Maginga, Emmanuel Masabo, Pierre Bakunzibake, Kwang Soo Kim, and Jimmy Nsenga
Subjects: CNN, LSTM, Wavelet, VOC, Ultrasound, Maize, Science (General), Q1-390, Social sciences (General), H1-99
Abstract: Early detection of plant diseases is crucial for safeguarding crop yield, especially in regions vulnerable to food insecurity, such as Sub-Saharan Africa. One of the significant contributors to maize crop yield loss is the Northern Leaf Blight (NLB), which traditionally takes 14–21 days to visually manifest on maize. This study introduces a novel approach for detecting NLB as early as 4–5 days using Internet of Things (IoT) sensors, which can identify the disease before any visual symptoms appear. Utilizing Convolutional Neural Networks (CNN) and Long Short Term Memory (LSTM) models, nonvisual measurements of Total Volatile Organic Compounds (VOCs) and ultrasound emissions from maize plants were captured and analyzed. A controlled experiment was conducted on four maize varieties, and the data obtained were used to develop and validate a hybrid CNN-LSTM model for VOC classification and an LSTM model for ultrasound anomaly detection. The hybrid CNN-LSTM model, enhanced with wavelet data preprocessing, achieved an F1 score of 0.96 and an Area under the ROC Curve (AUC) of 1.00. In contrast, the LSTM model exhibited an impressive 99.98% accuracy in identifying anomalies in ultrasound emissions. Our findings underscore the potential of IoT sensors in early disease detection, paving the way for innovative disease prevention strategies in agriculture. Future work will focus on optimizing the models for IoT device deployment, incorporating chatbot technology, and more sensor data will be incorporated for improved accuracy and evaluation of the models in a field environment.
Published: 2024
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4. Mantle Deformation Processes During the Rift‐To‐Drift Transition at Magma‐Poor Margins

Author: Nicholas J. Montiel, Emmanuel Masini, Luc Lavier, Othmar Müntener, and Sylvain Calassou
Subjects: rifting, seafloor spreading, numerical modeling, seismic study, mantle deformation, Ivory Coast, Geophysics. Cosmic physics, QC801-809, Geology, QE1-996.5
Abstract: Abstract The rift‐to‐drift transition at rifted margins is an area of active investigation due to an incomplete understanding of the spatial and temporal evolution of physical and chemical processes at the ocean‐continent transition (OCT). Deep structures that characterize modern OCTs are often difficult to identify by seismic observations, while terrestrial exposures are preserved in fragments separated by tectonic discontinuities. Numerical modeling is a powerful method for contextualizing physical processes and observations relevant to rifted margin evolution. We synthesize results from geological observations of fossil OCTs preserved in ophiolites, a recent seismic experiment on the Ivorian margin, and numerical modeling to characterize mantle deformation and melt production for magma‐poor margins. Across varied surface heat fluxes, mantle potential temperatures, and extension rates, our model results show homologies with geological observations. We propose that the development of large shear zones in the mantle, melt infiltration, grain size reduction, and anastomosing detachment faults control the structure of OCTs. We also infer that a hot, upwelling, melt‐rich asthenosphere is an important control on the local stress environment. During the exhumation phase, continentward‐dipping shear zones couple with seaward‐dipping detachment faults to exhume the subcontinental and formerly asthenospheric mantle. The mantle forms core‐complex‐like domes of peridotite at or near the surface. The faults that exhume these peridotite bodies are largely anastomosing and exhibit magmatic accretion in their footwalls. A combination of magmatic accretion and volcanic activity derived from the shallow melt region constructs the oceanic lithosphere in the footwalls of the out‐of‐sequence continentward‐dipping detachment faults in the oceanic crust and subcontinental mantle.
Published: 2023
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5. Perinatal foodborne titanium dioxide exposure-mediated dysbiosis predisposes mice to develop colitis through life

Author: Caroline Carlé, Delphine Boucher, Luisa Morelli, Camille Larue, Ekaterina Ovtchinnikova, Louise Battut, Kawthar Boumessid, Melvin Airaud, Muriel Quaranta-Nicaise, Jean-Luc Ravanat, Gilles Dietrich, Sandrine Menard, Gérard Eberl, Nicolas Barnich, Emmanuel Mas, Marie Carriere, Ziad Al Nabhani, and Frédérick Barreau
Subjects: Perinatal period, Foodborne TiO2, Intestinal barrier function, Intestinal stem cells, Microbiota, Colitis, Toxicology. Poisons, RA1190-1270, Industrial hygiene. Industrial welfare, HD7260-7780.8
Abstract: Abstract Background Perinatal exposure to titanium dioxide (TiO2), as a foodborne particle, may influence the intestinal barrier function and the susceptibility to develop inflammatory bowel diseases (IBD) later in life. Here, we investigate the impact of perinatal foodborne TiO2 exposure on the intestinal mucosal function and the susceptibility to develop IBD-associated colitis. Pregnant and lactating mother mice were exposed to TiO2 until pups weaning and the gut microbiota and intestinal barrier function of their offspring was assessed at day 30 post-birth (weaning) and at adult age (50 days). Epigenetic marks was studied by DNA methylation profile measuring the level of 5-methyl-2′-deoxycytosine (5-Me-dC) in DNA from colic epithelial cells. The susceptibility to develop IBD has been monitored using dextran-sulfate sodium (DSS)-induced colitis model. Germ-free mice were used to define whether microbial transfer influence the mucosal homeostasis and subsequent exacerbation of DSS-induced colitis. Results In pregnant and lactating mice, foodborne TiO2 was able to translocate across the host barriers including gut, placenta and mammary gland to reach embryos and pups, respectively. This passage modified the chemical element composition of foetus, and spleen and liver of mothers and their offspring. We showed that perinatal exposure to TiO2 early in life alters the gut microbiota composition, increases the intestinal epithelial permeability and enhances the colonic cytokines and myosin light chain kinase expression. Moreover, perinatal exposure to TiO2 also modifies the abilities of intestinal stem cells to survive, grow and generate a functional epithelium. Maternal TiO2 exposure increases the susceptibility of offspring mice to develop severe DSS-induced colitis later in life. Finally, transfer of TiO2-induced microbiota dysbiosis to pregnant germ-free mice affects the homeostasis of the intestinal mucosal barrier early in life and confers an increased susceptibility to develop colitis in adult offspring. Conclusions Our findings indicate that foodborne TiO2 consumption during the perinatal period has negative long-lasting consequences on the development of the intestinal mucosal barrier toward higher colitis susceptibility. This demonstrates to which extent environmental factors influence the microbial-host interplay and impact the long-term mucosal homeostasis.
Published: 2023
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6. Design and implementation of IoT sensors for nonvisual symptoms detection on maize inoculated with Exserohilum turcicum

Author: Theofrida J. Maginga, Pierre Bakunzibake, Emmanuel Masabo, Deogracious P. Massawe, Promise R. Agbedanu, and Jimmy Nsenga
Subjects: IoT, Nonvisual, Maize disease detection, Timeseries, VOC, Ultrasound, Agriculture (General), S1-972, Agricultural industries, HD9000-9495
Abstract: Diseases on maize crops are highly caused by chronic and emerging pathogens that results in stagnant growth in the plant system. Several initiatives have been adopted to manage disease on crops which include new cultivation practices, genetic engineering, plant breeding and chemical control which have only proven to perform better on laboratory-based approaches. Meanwhile, small holder farmers can hardly afford such intervention mechanisms because they are costly and require highly skilled labor. With the advancement of technologies in Internet of Things (IoT) and different artificial intelligence models, non-visual signs of disease are being explored and experimented in this work for nonvisual early disease detection purposes. Volatile Organic Compounds (VOCs), Ultrasound, Nitrogen, Phosphorous, Potassium (NPK) fertilizer are profiled on control maize and inoculated maize with Exserohilum turcicum fungus to generate time series data. Dataset generated are preprocessed, analyzed, and visualized using pandas and matplotlib python tools. Machine Learning algorithms have been inferenced on the dataset; Statsmodel for trends and seasonality detection and Pruned Exact Linear Time (PELT) for change point detection. Analysis of data on the implemented Internet of Things technology in this experiment has achieved nonvisual detection of Northern Leaf Blight (NLB) disease on maize within four days post inoculation from monitored Volatile Organic Compounds and ultrasound emission.
Published: 2023
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7. An Intelligent System-Based Coffee Plant Leaf Disease Recognition Using Deep Learning Techniques on Rwandan Arabica Dataset

Author: Eric Hitimana, Omar Janvier Sinayobye, J. Chrisostome Ufitinema, Jane Mukamugema, Peter Rwibasira, Theoneste Murangira, Emmanuel Masabo, Lucy Cherono Chepkwony, Marie Cynthia Abijuru Kamikazi, Jeanne Aline Ukundiwabo Uwera, Simon Martin Mvuyekure, Gaurav Bajpai, and Jackson Ngabonziza
Subjects: coffee leaf diseases, arabica coffee, deep learning, VGG16, DenseNet, Technology
Abstract: Rwandan coffee holds significant importance and immense value within the realm of agriculture, serving as a vital and valuable commodity. Additionally, coffee plays a pivotal role in generating foreign exchange for numerous developing nations. However, the coffee plant is vulnerable to pests and diseases weakening production. Farmers in cooperation with experts use manual methods to detect diseases resulting in human errors. With the rapid improvements in deep learning methods, it is possible to detect and recognize plan diseases to support crop yield improvement. Therefore, it is an essential task to develop an efficient method for intelligently detecting, identifying, and predicting coffee leaf diseases. This study aims to build the Rwandan coffee plant dataset, with the occurrence of coffee rust, miner, and red spider mites identified to be the most popular due to their geographical situations. From the collected coffee leaves dataset of 37,939 images, the preprocessing, along with modeling used five deep learning models such as InceptionV3, ResNet50, Xception, VGG16, and DenseNet. The training, validation, and testing ratio is 80%, 10%, and 10%, respectively, with a maximum of 10 epochs. The comparative analysis of the models’ performances was investigated to select the best for future portable use. The experiment proved the DenseNet model to be the best with an accuracy of 99.57%. The efficiency of the suggested method is validated through an unbiased evaluation when compared to existing approaches with different metrics.
Published: 2023
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8. Internet of things based visualisation of effect of air pollution on the lungs using HEPA filters air cleaner

Author: Calorine Katushabe, Santhi Kumaran, and Emmanuel Masabo
Subjects: Air pollution, HEPA filter, 3D lung display, Internet of things, Thingspeak, Science (General), Q1-390, Social sciences (General), H1-99
Abstract: The impact of air quality on human health and the environment is very significant, with poor air quality being responsible for numerous deaths and environmental damage worldwide. Whereas a number of studies have been done to monitor the quality of air with help of emerging technologies, little has been done to visualize its effect on health particularly on the lungs. The study explores an approach that combines Internet of Things (IoT) technology with High Efficiency Particulate Air (HEPA) filters air cleaner to monitor and visualize the effects of air pollution on lung health, highlighting the significant damage that poor air quality causes particularly on the lungs graphically. To achieve this, a 3D display of the lungs is modelled using HEPA filters, which changes colour based on the air pollutant concentrations detected by IoT-based sensors. The collected air quality data is then transmitted to Thingspeak, a visualization platform for further analysis. It is observed that the colour of the 3D lung display changed to black over time as air pollutant concentrations increased which in our study is an indicator of unhealthy lung. The study presents an innovative approach to visualize the effects of air pollution on lung health using IoT and HEPA filters air cleaner, which could have significant implications for public health policies aimed at mitigating the harmful effects of air pollution, particularly on lung health.
Published: 2023
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9. Accuracy of Serological Screening for the Diagnosis of Celiac Disease in Type 1 Diabetes Children

Author: Chloé Girard, Aurélie De Percin, Carole Morin, Maeva Talvard, Françoise Fortenfant, Nicolas Congy-Jolivet, Claire Le Tallec, Jean-Pierre Olives, and Emmanuel Mas
Subjects: diabetes mellitus, type 1, celiac disease, HLA antigens, antibodies, children, Medicine (General), R5-920
Abstract: Background and Objectives: Patients with type 1 diabetes (T1D) are considered at high-risk for developing celiac disease (CD). The purpose of our study was to determine the prevalence of CD among children who were followed in our unit for T1D using the latest ESPGHAN guidelines, and avoiding intestinal biopsies in some of the children. Materials and Methods: We performed a prospective monocentric study, which included 663 T1D children between June 2014 and June 2016. We considered CD according to serological (tissue transglutaminase (TGAs) and endomysium antibodies) results. Children were included either at the time of T1D diagnosis or during their follow up. We looked for clinical and biochemical signs of CD, and for T1D characteristics. Results: The children’s ages ranged from 11 months to 18 years. CD was confirmed in 32 out of 663 patients with T1D, with a prevalence of 4.8%. CD was excluded in 619 children and remained uncertain for 12 children, who had positive TGAs without the required criteria. We found that 95% of T1D children express HLA-DQ2 and/or -DQ8, which was 2.4 times higher than in the general population. Conclusions: An intestinal biopsy could be avoided to confirm CD in the majority of T1D children. Silent forms of CD are frequent and screening is recommended for all patients. Importantly, repeated TGA assessment is required in HLA genetically predisposed T1D patients, while it is unnecessary in the 5% who are HLA-DQ2 and -DQ8 negative.
Published: 2023
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10. Drugs in focus: Domperidone

Author: Maria Giovanna Puoti, Amit Assa, Marc Benninga, Ilse Julia Broekaert, Francisco Javier Martin Carpi, Marco Deganello Saccomani, Jernej Dolinsek, Matjaz Homan, Emmanuel Mas, Erasmo Miele, Christos Tzivinikos, Mike Thompson, and Osvaldo Borrelli
Subjects: Pediatrics, Perinatology and Child Health, Gastroenterology
Published: 2023

11. Impact of the HAS 2019 French guidelines on the frequency of hospital undernutrition in children

Author: Margaux Richou, Olivier L. Mantha, Noël Peretti, Béatrice Dubern, Emmanuel Mas, Régis Hankard, and Arnaud De Luca
Subjects: Hospitalization, Nutrition Assessment, Nutritional Support, Malnutrition, Pediatrics, Perinatology and Child Health, Humans, Nutritional Status, Child, Hospitals
Abstract: In 2019, the French National Authority for Health (Haute Autorité de Santé, HAS) published guidelines on the diagnosis of undernutrition. The present article focuses on the impact of switching from the 2012 guidelines of the Nutrition Committee of the French Paediatric Society (CNSFP) to the HAS guidelines on the frequency of hospital undernutrition in children. We selected for the period 2010-2019 from the ePINUT database: (1) all children aged more than 2 years with (2) clinically confirmed nutritional status in (3) French sites. The frequency of undernutrition was 15.4% vs. 28.8% using the CNSFP and HAS criteria, respectively (p 0.01; n = 6304). When compared to non-malnourished children regardless of the criteria used, malnourished children: (1) stayed longer in hospital (CNSFP: 9.0 ± 11.8 vs. 6.5 ± 8.7 days, p 0.01; HAS: 7.8 ± 10.1 vs. 6.4 ± 8.4 days, p 0.01), (2) gained more weight during hospitalization (% of weight at admission) (CNSFP: +1.4 ± 4.1 vs. -0.3 ± 3.5%, p 0.01; HAS: +2.3 ± 4.7 vs. -0.1 ± 3.4%, p 0.01), and (3) received nutritional support more frequently during hospitalization (CNSFP: 20% vs. 5%, p 0.01; HAS: 13% vs. 4%, p 0.01). Switching to the HAS guidelines resulted in an almost twofold higher frequency of undernutrition in hospitalized children. Initiation of nutritional care remained low considering the nutritional status. The present study warrants interventional studies to determine which children may benefit more from nutritional therapy to improve their outcome.
Published: 2023

12. IoT-Based Real-Time Crop Drying and Storage Monitoring System

Author: Ishimwe Viviane, Emmanuel Masabo, Habiyaremye Joseph, Mitsindo Rene, and Elias Bizuru
Subjects: Electronic computers. Computer science, QA75.5-76.95
Abstract: Maize flour obtained from the dried corn is one of the most consumed foods in Rwanda. It is imperative that this should be healthy and risk-free for a safe consumption. Therefore, it is vital to keep track of the environmental conditions during the drying process and the characteristics that exist inside maize storage containers. In Rwanda, traditional methods are most commonly used by maize farmers for drying and storage purposes, where no smart system is being used to monitor the environmental conditions under which the maize grains are dried and stored. This mostly affects the quality of maize and flour being produced which will finally affect food security. In this research, temperature, humidity, and light sensors are deployed in the grain storage containers for environmental parameter detection purposes to achieve the primary goal of providing practical, secure, and easily accessible storage in inclement weather. Temperature and humidity are two factors that have an impact on grain quality while in storage. The ThingSpeak platform has been used to help farmers monitor the drying and storing conditions of the maize on a real-time basis. A global system for mobile (GSM) communication module is used to notify farmers by sending a short message in case of critical drying or storing environmental parameters under which the maize grains are stored. The result is shown in the form of humidity, temperature, and light graphs which are displayed on the ThingSpeak platform in real-time mode.
Published: 2023
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13. Prediction of Stunting Among Under-5 Children in Rwanda Using Machine Learning Techniques

Author: Similien Ndagijimana, Ignace Habimana Kabano, Emmanuel Masabo, and Jean Marie Ntaganda
Subjects: machine learning, prediction, under-5 children, stunting, rwanda, Medicine, Public aspects of medicine, RA1-1270
Abstract: Objectives: Rwanda reported a stunting rate of 33% in 2020, decreasing from 38% in 2015; however, stunting remains an issue. Globally, child deaths from malnutrition stand at 45%. The best options for the early detection and treatment of stunting should be made a community policy priority, and health services remain an issue. Hence, this research aimed to develop a model for predicting stunting in Rwandan children. Methods: The Rwanda Demographic and Health Survey 2019-2020 was used as secondary data. Stratified 10-fold cross-validation was used, and different machine learning classifiers were trained to predict stunting status. The prediction models were compared using different metrics, and the best model was chosen. Results: The best model was developed with the gradient boosting classifier algorithm, with a training accuracy of 80.49% based on the performance indicators of several models. Based on a confusion matrix, the test accuracy, sensitivity, specificity, and F1 were calculated, yielding the model’s ability to classify stunting cases correctly at 79.33%, identify stunted children accurately at 72.51%, and categorize non-stunted children correctly at 94.49%, with an area under the curve of 0.89. The model found that the mother’s height, television, the child’s age, province, mother’s education, birth weight, and childbirth size were the most important predictors of stunting status. Conclusions: Therefore, machine-learning techniques may be used in Rwanda to construct an accurate model that can detect the early stages of stunting and offer the best predictive attributes to help prevent and control stunting in under five Rwandan children.
Published: 2023
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14. [Infant gastroesophageal reflux disease: physiological or pathological ?]

Author: Aurélie, Bourchany and Emmanuel, Mas
Subjects: Gastroesophageal Reflux, Humans, Proton Pump Inhibitors, Milk Hypersensitivity, Esophagitis, Peptic
Abstract: PHYSIOLOGICAL OR PATHOLOGICAL ? Gastroesophageal reflux (GER) is defined by the rise of gastric contents into the esophagus, with or without externalization. GER is very common in young infants, with a peak around 4 months, and most often physiological due to high milk intakes and inappropriate relaxation of the lower esophageal sphincter. Evoking a GER disease (GERD) is not always obvious due to signs of poor specificity (crying, irritability, regurgitation). On the other hand, one should not miss warning signs evocative of GERD complicated by esophagitis or of recurrent upper respiratory or ENT infections, or even differential diagnoses (cow milk protein allergy, eosinophilic esophagitis, congenital malformations or brain tumours, etc.). The diagnosis of GERD is clinical but investigations can sometimes be discussed like esophagogastroduodenal endoscopy, 24- hour pH-metry, esophagogastroduodenal follow through. The mechanisms of GERD should be clearly explained to parents and physiological GER should be treated with non-drug measures (adaptation of milk intakes/volumes, thickeners). In the absence of improvement, avoidance of cow's milk proteins for 2 to 4 weeks can be proposed, or even treatment with proton pump inhibitors.PHYSIOLOGIQUE OU PATHOLOGIQUE ? Le reflux gastro-oesophagien (RGO) est défini par la remontée du contenu gastrique dans l’oesophage, avec ou sans extériorisation. Le RGO est très fréquent chez le nourrisson, avec un pic vers 4 mois. Il est le plus souvent physiologique, en raison d’une alimentation lactée importante et d’une relaxation inappropriée du sphincter inférieur de l’oesophage. Évoquer un RGO pathologique n’est pas toujours évident, car ses symptômes ont une mauvaise spécificité (pleurs, irritabilité, régurgitations). En revanche, il ne faut pas passer à côté de signes d’alarme évocateurs d’un RGO compliqué par une oesophagite ou par des infections respiratoires hautes ou ORL récidivantes, ni négliger les diagnostics différentiels (allergie aux protéines du lait de vache, oesophagite à éosinophiles, malformations congénitales ou tumeurs cérébrales...). Le diagnostic de RGO est clinique, mais certains examens complémentaires peuvent parfois être discutés : endoscopie oesogastroduodénale, pH-métrie des 24 heures, transit oesogastroduodénal. Il convient de bien expliquer aux parents les mécanismes du RGO et de prendre en charge sa forme physiologique par des mesures non médicamenteuses (adaptation des prises/volumes de lait, épaississants). En l’absence d’amélioration, une éviction des protéines du lait de vache peut être proposée pendant deux à quatre semaines, voire un traitement par inhibiteurs de la pompe à protons.
Published: 2022

15. The Importance of Rift Inheritance in Understanding the Early Collisional Evolution of the Western Alps

Author: Gianreto Manatschal, Pauline Chenin, Isabelle Haupert, Emmanuel Masini, Gianluca Frasca, and Alessandro Decarlis
Subjects: Western Alps, Briançonnais, Prepiemonte, collisional orogen, reactivation, rift inheritance, Geology, QE1-996.5
Abstract: We reassess the architecture and tectonic history of the Western Alps based on recent knowledge developed at rifted margins. First, we replace the main Alpine units of our study area into a synthetic rifted margin template based on diagnostic petrologic, stratigraphic, and structural criteria. We find that some units previously attributed to the internal part of the thick-crusted Briançonnais domain may rather derive from the thin-crusted Prepiemonte hyperextended domain. We assert that the Briançonnais and Prepiemonte domains were separated by a mega-fault scarp. Second, we revisit the Paleogeography of the Alpine Tethys, suggesting that the Briançonnais was a ribbon of little thinned continental crust between two overstepping en-échelon rift basins, namely the Valais domain to the northwest and the Piemonte domain to the southeast. We affirm that this uneven-margin architecture can explain most of the Western Alps’ complexity. In our kinematic model, convergence between Adria and Europe was mainly accommodated by strike-slip movements in the Western Alps until the late Eocene. Orogeny began with the reactivation of the mega-fault scarp between the Briançonnais and Prepiemonte domains, which we name Prepiemonte Basal Thrust. Once hard collision started, the main shortening stepped inboard into the Valais/Subbriançonnais domain along the Penninic Basal Thrust.
Published: 2022
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16. Pediatric endoscopy training across Europe: a survey of the ESPGHAN National Societies Network 2016–2019

Author: Alexandra Papadopoulou, Carmen Ribes-Koninckx, Alastair Baker, Maria Noni, Eleni Koutri, Maria-Vasiliki Karagianni, Sue Protheroe, Alfredo Guarino, Emmanuel Mas, Michael Wilschanski, Enriqueta Roman, Johanna Escher, Raoul I. Furlano, Carsten Posovszky, Ilse Hoffman, Jiri Bronsky, Almuthe Christine Hauer, Duska Tjesic-Drinkovic, Maria Fotoulaki, Rok Orel, Vaidotas Urbonas, Aydan Kansu, Miglena Georgieva, and Mike Thomson
Subjects: Diseases of the digestive system. Gastroenterology, RC799-869
Abstract: Abstract Background and study aims The ability to perform endoscopy procedures safely and effectively is a key aspect of quality clinical care in Pediatric Gastroenterology, Hepatology and Nutrition (PGHN). The aim of this survey, which was part of a global survey on PGHN training in Europe, was to assess endoscopy training opportunities provided across Europe. Methods Responses to standardized questions related to endoscopy training were collected from training centers across Europe through the presidents/representatives of the European Society for Paediatric Gastroenterology, Hepatology and Nutrition National Societies from June 2016 to December 2019. Results A total of 100 training centers from 19 countries participated in the survey. In 57 centers, the endoscopy suit was attached to the PGHN center, while in 23, pediatric endoscopies were performed in adult endoscopy facilities. Ninety percent of centers reported the availability of specialized endoscopy nurses and 96 % of pediatric anesthetists. Pediatric endoscopies were performed by PGHN specialists in 55 centers, while 31 centers reported the involvement of an adult endoscopist and 14 of a pediatric surgeon. Dividing the number of procedures performed at the training center by the number of trainees, ≤ 20 upper, lower, or therapeutic endoscopies per trainee per year were reported by 0 %, 23 %, and 56 % of centers, respectively, whereas ≤ 5 wireless capsule endoscopies per trainee per year by 75 %. Only one country (United Kingdom) required separate certification of competency in endoscopy. Conclusions Differences and deficiencies in infrastructure, staffing, and procedural volume, as well as in endoscopy competency assessment and certification, were identified among European PGHN training centers limiting training opportunities in pediatric endoscopy.
Published: 2022
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17. Association of training standards in pediatric gastroenterology, hepatology and nutrition in European training centers with formal national recognition of the subspecialty: a survey of the ESPGHAN National Societies Network 2016-2019.

Author: Papadopoulou A, Ribes-Koninckx C, Baker A, Noni M, Koutri E, Karagianni MV, Protheroe S, Guarino A, Mas E, Wilschanski M, Roman E, Escher J, Furlano RI, Posovszky C, Hoffman I, Veres G, Bronsky J, Hauer AC, Tjesic-Drinkovic D, Fotoulaki M, Orel R, Urbonas V, Kansu A, Georgieva M, Thomson M, Benninga M, Thapar N, Kelly D, and Koletzko B
Abstract: Background: This survey evaluated the effects of the recognition of pediatric gastroenterology, hepatology and nutrition (PGHN) on European PGHN training centers., Method: Standardized questionnaires were collected from training centers via the presidents/representatives of the National Societies Network of the European Society for Pediatric Gastroenterology, Hepatology and Nutrition, from June 2016 to December 2019., Results: A total of 100 training centers from 19 countries participated in the survey: 55 from 12 countries where PGHN is formally recognized (Group 1) and 45 from 7 countries where it is not (Group 2). Training centers in Group 2 were less likely to have an integrated endoscopy suite, a written training curriculum and a training lead (P=0.059, P<0.001 and P=0.012, respectively). Trainees in Group 2 were less likely to be exposed to an adequate number of diagnostic endoscopies, while no differences were found in relation to liver biopsies. Half of the training centers in both Groups do not have dedicated beds for PGHN patients, while in 64% and 58%, respectively, trainees do not participate in on-call programs for PGHN emergencies. Research training is mandatory in 26% of the centers. The duration of training, as well as the assessment and accreditation policies, vary between countries., Conclusions: This study has revealed significant discrepancies and gaps in infrastructure and training programs, training leadership, and assessment of training and certification across European training centers in PGHN. Strategies to support the recognition of PGHN and to standardize and improve training conditions should be developed and implemented.An infographic is available for this article at: http://www.annalsgastro.gr/files/journals/1/earlyview/2022/Infographic_AG-6496.pdf., Competing Interests: Conflict of Interest: None, (Copyright: © Hellenic Society of Gastroenterology.)
Published: 2022
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18. Training in pediatric neurogastroenterology and motility across Europe: a survey of the ESPGHAN National Societies Network 2016-2019.

Author: Papadopoulou A, Ribes-Koninckx C, Baker A, Noni M, Koutri E, Karagianni MV, Protheroe S, Guarino A, Mas E, Wilschanski M, Roman E, Escher J, Furlano RI, Posovszky C, Hoffman I, Veres G, Bronsky J, Hauer AC, Tjesic-Drinkovic D, Fotoulaki M, Orel R, Urbonas V, Kansu A, Georgieva M, Benninga M, and Thapar N
Abstract: Background: Pediatric gastrointestinal motility disorders present significant challenges for diagnosis and management, emphasizing the need for appropriate training in Pediatric Neurogastroenterology and Motility (PNGM). The aim of this survey, part of a comprehensive survey on training in pediatric gastroenterology, hepatology and nutrition, was to evaluate training related to PNGM across European training centers., Method: Standardized questionnaires were collected from training centers through the National Societies Network of the European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN), from June 2016 to December 2019., Results: In total, 100 training centers from 19 countries participated in the survey. Dedicated PNGM clinics were available in 22 centers; pH-monitoring in 60; pH/impedance in 66; standard manometry in 37; and high-resolution manometry in 33. If all motility studies were performed partially or fully by the trainees, the median (range) annual numbers/per trainee were as follows: pH-monitoring 30 (1-500); pH/impedance 17 (1-131); standard manometries 10 (1-150); and high-resolution manometries 8 (1-75). The motility assessment was performed by pediatric gastroenterologists (43 centers); adult gastroenterologists (10 centers); pediatric surgeons (5 centers); and both pediatric gastroenterologists and pediatric surgeons (9 centers). Annual numbers ≤10 for pH-monitoring, pH/impedance, standard manometries and high-resolution manometries were reported by 7 (12%), 15 (23%), 11 (30%) and 14 (42%) centers, respectively., Conclusions: Significant differences exist in PNGM-related infrastructure, staff and procedural volumes at training centers across Europe. ESPGHAN and the National Societies should take initiatives to ensure the acquisition of competence in PNGM-related knowledge and skills, and develop strategies for assessment and accreditation.An infographic is available for this article at: http://www.annalsgastro.gr/files/journals/1/earlyview/2022/Infographic-AG6486.pdf., Competing Interests: Conflict of Interest: None, (Copyright: © Hellenic Society of Gastroenterology.)
Published: 2022
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19. Sa1535: EXCLUSIVE ENTERAL NUTRITION ENRICHED WITH TGF-β RESTORES INTESTINAL HOMEOSTASIS IN A MOUSE MODEL OF CROHN'S DISEASE

Author: Kawthar Boumessid, Emmanuel Mas, and Frédérick Barreau
Subjects: Hepatology, Gastroenterology
Published: 2022

20. Training in Paediatric Clinical Nutrition Across Europe

Author: Alexandra Papadopoulou, Carmen Ribes-Koninckx, Alastair Baker, Maria Noni, Eleni Koutri, Maria-Vasiliki Karagianni, Sue Protheroe, Alfredo Guarino, Emmanuel Mas, Michael Wilschanski, Enriqueta Roman, Johanna Escher, Raoul I. Furlano, Carsten Posovszky, Ilse Hoffman, Gabor Veres, Jiri Bronsky, Almuthe Christine Hauer, Duska Tjesic-Drinkovic, Maria Fotoulaki, Rok Orel, Vaidotas Urbonas, Aydan Kansu, Miglena Georgieva, Berthold Koletzko, Papadopoulou, Alexandra, Ribes-Koninckx, Carmen, Baker, Alastair, Noni, Maria, Koutri, Eleni, Karagianni, Maria-Vasiliki, Protheroe, Sue, Guarino, Alfredo, Mas, Emmanuel, Wilschanski, Michael, Roman, Enriqueta, Escher, Johanna, Furlano, Raoul I, Posovszky, Carsten, Hoffman, Ilse, Veres, Gabor, Bronsky, Jiri, Hauer, Almuthe Christine, Tjesic-Drinkovic, Duska, Fotoulaki, Maria, Orel, Rok, Urbonas, Vaidota, Kansu, Aydan, Georgieva, Miglena, Koletzko, Berthold, and Pediatrics
Subjects: Europe, children, clinical nutrition training, training in paediatric gastroenterology, hepatology and nutrition, Surveys and Questionnaires, Pediatrics, Perinatology and Child Health, Gastroenterology, Humans, Child, Child Nutritional Physiological Phenomena, Societies, Medical
Abstract: OBJECTIVES/BACKGROUND: Disease-related malnutrition is common in patients with chronic diseases and has detrimental effects, therefore, skills in nutrition care are essential core competencies for paediatric digestive medicine. The aim of this survey, conducted as part of a global survey of paediatric gastroenterology, hepatology and nutrition (PGHN) training in Europe, was to assess nutrition care-related infrastructure, staff, and patient volumes in European PGHN training centres. METHODS: Standardized questionnaires related to clinical nutrition (CN) care were completed by representatives of European PGHN training centres between June 2016 and December 2019. RESULTS: One hundred training centres from 17 European countries, Turkey, and Israel participated in the survey. Dedicated CN clinics exist in 66% of the centres, with fulltime and part-time CN specialists in 66% and 42%, respectively. Home tube feeding (HTF) and home parenteral nutrition (HPN) programmes are in place in 95% and 77% of centres, respectively. Twenty-four percent of centres do not have a dedicated dietitian and 55% do not have a dedicated pharmacist attached to the training centre. Even the largest centres with >5000 outpatients reported that 25% and 50%, respectively do not have a dedicated dietitian or pharmacist. Low patient numbers on HTF and HPN of
Published: 2022

21. Helicobacter pylori-negative Chronic Gastritis in Children

Author: Amit Assa, Osvaldo Borrelli, Ilse Broekaert, Marco Deganello Saccomani, Jernej Dolinsek, Javier Martin-de-Carpi, Emmanuel Mas, Erasmo Miele, Sara Sila, Mike Thomson, Christos Tzivinikos, Marc A. Benninga, Pediatric surgery, Paediatric Gastroenterology, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Reproduction & Development (AR&D), Assa, Amit, Borrelli, Osvaldo, Broekaert, Ilse, Saccomani, Marco Deganello, Dolinsek, Jernej, Martin-de-Carpi, Javier, Mas, Emmanuel, Miele, Erasmo, Sila, Sara, Thomson, Mike, Tzivinikos, Christo, and Benninga, Marc A
Subjects: Adult, Cross-Sectional Studies, Helicobacter pylori, Gastritis, Pediatrics, Perinatology and Child Health, Eosinophilia, Gastroenterology, Humans, Child, Enteritis, Helicobacter Infections
Abstract: OBJECTIVES: To systematically review the current evidence on Helicobacter pylori-negative chronic gastritis including natural history, available therapies and outcomes. METHODS: Articles providing data on the prevalence, treatment or outcomes of Helicobacter pylori-negative gastritis were identified through a systematic search in the MEDLINE and EMBASE databases. All original research articles from human studies until October 31, 2021, were included. RESULTS: A total of 54 studies were included consisted of eosinophilic gastritis (n = 9), autoimmune gastritis (n = 11), collagenous gastritis (n = 16), focally enhanced gastritis (n = 6), lymphocytic gastritis (n = 5) and other causes including idiopathic gastritis and chronic renal failure related (n = 7). Most of the included studies were either cross-sectional or longitudinal cohorts except for collagenous gastritis, which mainly included case reports and case series. The prevalence of paediatric eosinophilic gastritis ranges between 5 and 7/100,000 and patients have generally favourable outcome with 50% to 70% clinical and histological response to either corticosteroids or elimination diets. Autoimmune gastritis and collagenous gastritis are extremely rare entities, commonly present with refractory iron deficiency anaemia, while lymphocytic gastritis is relatively common (10%-45%) in children with coeliac disease. Data on treatments and outcomes of autoimmune, collagenous, and focally enhanced gastritis are lacking with limited data implying poor response to therapy in the former 2 diagnoses. CONCLUSIONS: Helicobacter pylori-negative gastritis is uncommonly reported, mainly in small cohorts, mixed adult-paediatric cohorts or as sporadic case reports. As common symptoms are not specific, thus not always result in an endoscopic evaluation, the true prevalence of these distinct disorders may be underestimated, and thus under reported.
Published: 2022

22. Training in pediatric hepatology across Europe: a survey of the National Societies Network (2016-2019) of the European Society for Paediatric Gastroenterology, Hepatology and Nutrition.

Author: Papadopoulou A, Ribes-Koninckx C, Noni M, Koutri E, Karagianni MV, Protheroe S, Guarino A, Mas E, Wilschanski M, Roman E, Escher J, Furlano RI, Posovszky C, Hoffman I, Veres G, Bronsky J, Hauer AC, Tjesic-Drinkovic D, Fotoulaki M, Orel R, Urbonas V, Kansu A, Georgieva M, Baker A, and Kelly D
Abstract: Background: The widely recognized burden of liver diseases makes training in pediatric hepatology (PH) imperative. The aim of this survey, which was part of a global survey on training in pediatric gastroenterology, hepatology and nutrition (PGHN) across Europe, was to assess the PH and liver transplantation (LT) infrastructure, staff and training programs in PGHN training centers., Method: Standardized questionnaires were collected from training centers via the presidents/representatives of the National Societies Network of the European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN) from June 2016 to December 2019., Results: A total of 100 PGHN training centers participated in the survey (14/100 were national referral centers in PH and/or LT). Dedicated PH clinics were available in 75%, but LT clinics in only 11%. Dedicated beds for PGHN inpatients were available in 47/95 (49%) centers. Full-time or part-time specialists for PH care were available in 31/45 (69%) and 11/36 (31%) centers, respectively. Liver biopsies (LB) were performed in 93% of centers by: a PGHN specialist (35%); an interventional radiologist (26%); a pediatric surgeon (4%); or a combination of them (35%). Dividing the annual number of LBs in the centers performing LBs by the number of trainees gave a median (range) of 10 (1-125) per trainee. Transient elastography was available in 60/92 (65%) of centers., Conclusions: The survey highlighted the differences and shortcomings in PH training across Europe. ESPGHAN should take initiatives together with National Societies to ensure the acquisition of PH knowledge and skills according to the ESPGHAN curriculum.An infographic is available for this article at: http://www.annalsgastro.gr/files/journals/1/earlyview/2022/Infographic-Hepatology-training-paper.pdf., Competing Interests: Conflict of Interest: None, (Copyright: © Hellenic Society of Gastroenterology.)
Published: 2022
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23. Cell Centred Finite Element Model for Intestinal Organoids Shape Analysis: From tissue architecture to mechanics

Author: julien laussu, deborah michel, stephane segonds, steven marguet, frederick barreau, dimitri hamel, emmanuel mas, audrey ferrand, and florian bugarin
Abstract: Organoids, established from stem cells owing to their self-renewal and differentiation capacities, are self-organised three-dimensional tissue culture recapitulating the original cell populations and their associated functions, as well as tissue architecture. The intestinal organoids established from adult stem cells isolated from the intestinal crypts, recreate 3D epithelial mini-intestines. They represent an excellent tool to study intestinal stem cell capacities and their ability to reconstitute a fully polarised and functional epithelium. These 3D cultures recapitulate \textit{in vitro} the tissue characteristics, including architecture, either in physiological or disease conditions whether they are established from healthy or pathological tissue samples respectively. In this regard, their use for potential treatments screening carries the hopes for a future personalized medicine for which image-analysis such as HCS are increasingly being developed. Numerous numerical models have been developed to study the effects of organoid development on their shape. Most of them remain mainly restricted in their physical description due to the complex inter-relationship between cell physics, phenotypes and behaviors, exploding the number of variables in modeling formulation. Finite Element Method (FEM) is a numerical analysis method employed in mechanics to model deformation and evaluate residual stress of complex structures making it difficult to obtain analytical solutions. Considering epithelial architecture as a homogeneous material where each cell is an elemental equivalent part of the problem, FEM allows a direct link between tissue architecture deformations and local mechanical constraints. Here we formalise a new organoid cell centred FEM with a physical description borrowed from the engineering world. This model can allow a better understanding of the individual contribution of physical/mechanical properties of individual cells on general tissue architecture.
Published: 2022

24. Precision Irrigation Scheduling Based on Wireless Soil Moisture Sensors to Improve Water Use Efficiency and Yield for Winter Wheat in Sub-Saharan Africa

Author: Michael Munyaradzi, Gilford Hapanyengwi, Mhosisi Masocha, Edward Mutandwa, Peter Raeth, Benny Nyambo, Amon Murwira, and Emmanuel Mashonjowa
Subjects: Agriculture (General), S1-972
Abstract: In Sub-Saharan Africa, where most irrigation systems are manually operated, water allocation and irrigation scheduling are often based on uniform application irrespective of crop needs and growth stages, which results in nonoptimal water use. Recently, a lot of research has been carried out to improve irrigation water use efficiency through automation by employing wireless sensor-based monitoring systems. Further to the improvement of water use efficiency and yield, while reducing costs, a field trial was carried out at a farm in Harare, Zimbabwe, during the 2016, 2017, and 2018 winter seasons to test whether a new approach to the automated irrigation systems, one based on IoT and wirelessly connected soil sensors (called hereafter as WCSS), improves water use efficiency without reducing yield. WCSS method was compared with three widely used conventional irrigation methods, that is, manual scheduling, tensiometer-based scheduling, and weather-based scheduling. Impacts on water savings and yield of winter wheat crops under drip irrigation were evaluated. WCSS saved up to 25% more water compared to typical fixed irrigation schedule rates used by wheat growers during the winter season.
Published: 2022
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25. Diagnosing undernutrition children and adults: new French criteria. Why, for what and for whom? A joint statement of the French National Authority for Health and French Federation of Nutrition - Corrigendum

Author: Jacques, Delarue, Jean-Claude, Desport, Béatrice, Dubern, Francisca, Joly, Emmanuel, Mas, Alexandre, Pitard, and Eric, Fontaine
Published: 2021

26. Long-Term Outcomes in Real Life of Lumacaftor–Ivacaftor Treatment in Adolescents With Cystic Fibrosis

Author: Stéphanie Bui, Alexandra Masson, Raphaël Enaud, Léa Roditis, Gaël Dournes, François Galode, Cyrielle Collet, Emmanuel Mas, Jeanne Languepin, Michael Fayon, Fabien Beaufils, and Marie Mittaine
Subjects: medicine.medical_specialty, Exacerbation, CFTR corrector, Sweat chloride, Context (language use), Cystic fibrosis, Pediatrics, RJ1-570, Ivacaftor, cystic fibrosis, chemistry.chemical_compound, Internal medicine, medicine, CFTR potentiator, Original Research, child, business.industry, Medical record, Lumacaftor, Nutritional status, medicine.disease, Clinical trial, nutritional status, lung function testing, chemistry, Pediatrics, Perinatology and Child Health, sense organs, business, Body mass index, sweat chloride, Cohort study, medicine.drug
Abstract: Background: The combination of the CFTR corrector Lumacaftor (LUM) and potentiator Ivacaftor (IVA) has been labelled in France since 2015 for F508del homozygote cystic fibrosis (CF) patients over 12 years. Aims: Main: to compare the changes in ppFEV1 2 years before and after initiation of LUM/IVA treatment. Secondary: to assess (i) the evolution of clinical (weight, height, BMI, pulmonary exacerbations, antibiotic use), biological (sweat chloride concentration) and radiological parameters; (ii) to identify parameters associated with response to treatment; (iii) to assess the tolerance to treatment. Methods: In this tri-centre non-interventional observational cohort study, children (12-18 years old) were assessed prospectively during the two years of therapy, and retrospectively during the two years preceding treatment. Data collected and analysed for the study were exclusively extracted from the patients' medical electronic system. Findings: Forty adolescents aged 12.0 to 17.4 years at LUM/IVA initiation were included. Regarding ppFEV1, a decrease was present during the two years prior to treatment, followed by a significant increase after LUM/IVA initiation, becoming significant after 2 years of treatment. LUM/IVA significantly improved the BMI Z-score and sweat chloride concentration. By contrast, there was no significant change in exacerbation rates, antibiotic use or CT-scan scores. Age at LUM/IVA initiation was lower in good responders and was associated with greater ppFEV1 change during the 2 years of treatment. LUM/IVA was well tolerated. Interpretation: In F508del homozygote adolescents, real-life long-term LUM/IVA improves the ppFEV1 trajectory (in particular if introduced early), nutritional status and sweat chloride concentration but not exacerbation rates or radiological scores. LUM/IVA was generally well tolerated and safe. Funding Information: This study did not receive any specific funding. Declaration of Interests: SB, FG, CC, RE, FB, MF conduct clinical trials with Vertex pharmacological agents, on behalf of the European Cystic Fibrosis Society – Clinical Trials Network (ECFS-CTN) and within the scope of ECFS-CTN activities. The other authors have no conflicts of interest to declare. Ethics Approval Statement: The use of the data collected and analysed for the study were exclusively extracted from the patients' medical records (MUCODOMEOS, https://www.vaincrelamuco.org/2019/05/09/mucodomeos-un-logiciel-adapte-aux-besoins-des-crcm-2684) after having obtained their informed consent. In this context and according to the French law in force, the approval of an ethics committee was not required.
Published: 2021
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27. Multi-Omics Analysis of Gut Microbiota in Inflammatory Bowel Diseases: What Benefits for Diagnostic, Prognostic and Therapeutic Tools?

Author: Frédérick Barreau, Emmanuel Mas, Alexis Cassard, Vickie Lacroix, CHU Toulouse, Hôpital des Enfants, Unité de Gastroentérologie, Hépatologie et Nutrition, Département de Pédiatrie, Hôpital Purpan [Toulouse], CHU Toulouse [Toulouse]-CHU Toulouse [Toulouse], CHU Toulouse [Toulouse], Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), DGOS (Reference Center of Rare Digestive Diseases of Toulouse University Hospital), the patient association François Aupetit, Service Gastroentérologie, hépatologie nutrition, diabétologie et maladies héréditaires du métabolisme pédiatrique [CHU Toulouse], Pôle Enfants [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), and SEGUIN, Nathalie
Subjects: Crohn’s disease, [SDV.BIO]Life Sciences [q-bio]/Biotechnology, [SDV.MHEP.PHY] Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Review, Disease, Gut flora, Bioinformatics, Inflammatory bowel disease, 0302 clinical medicine, A, E, Precision Medicine, Biology (General), Phylogeny, Spectroscopy, 0303 health sciences, Crohn's disease, [SDV.MHEP] Life Sciences [q-bio]/Human health and pathology, biology, Microbiota, General Medicine, Ulcerative colitis, 3. Good health, Computer Science Applications, Chemistry, Mas, Disease Progression, 030211 gastroenterology & hepatology, F. Multi-Omics Analysis of Gut Microbiota in Inflammatory Bowel Diseases: What Benefits for Diagnostic, QH301-705.5, Omics, digestive system, eulcerative colitis, Catalysis, Inorganic Chemistry, 03 medical and health sciences, medicine, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Humans, Physical and Theoretical Chemistry, QD1-999, Molecular Biology, Barreau, 030304 developmental biology, Bacteria, business.industry, V, Organic Chemistry, Cassard, Lacroix, Inflammatory Bowel Diseases, medicine.disease, biology.organism_classification, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, digestive system diseases, Prognostic inflammatory bowel disease, [SDV.BIO] Life Sciences [q-bio]/Biotechnology, Gastrointestinal Microbiome, Crohn's diseas, Metagenomics, Personalized medicine, [SDV.MP.BAC] Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, business, Dysbiosis, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract: International audience; Inflammatory bowel diseases (IBDs), which include Crohn’s disease and ulcerative colitis, are multifactorial diseases that involve in particular a modification of the gut microbiota, known as dysbiosis. The initial sets of metataxonomic and metagenomic data first made it possible to approximate the microbiota profile in IBD. In addition, today the new ‘omics’ techniques have enabled us to draw up a functional and integrative map of the microbiota. The key concern in IBD is to develop biomarkers that allow us to assess the activity of the disease and predict the complications and progression, while also guiding the therapeutic care so as to develop personalized medicine. In this review, we present all of the latest discoveries on the microbiota provided by “omics” and we outline the benefits of these techniques in developing new diagnostic, prognostic and therapeutic tools.
Published: 2021

28. Multi-Omics Analysis of Gut Microbiota in Inflammatory Bowel Diseases: What Benefits for Diagnostic, Prognostic and Therapeutic Tools?

Author: Vickie Lacroix, Alexis Cassard, Emmanuel Mas, and Frederick Barreau
Subjects: inflammatory bowel disease, Crohn’s disease, ulcerative colitis, microbiota, omics, Biology (General), QH301-705.5, Chemistry, QD1-999
Abstract: Inflammatory bowel diseases (IBDs), which include Crohn’s disease and ulcerative colitis, are multifactorial diseases that involve in particular a modification of the gut microbiota, known as dysbiosis. The initial sets of metataxonomic and metagenomic data first made it possible to approximate the microbiota profile in IBD. In addition, today the new ‘omics’ techniques have enabled us to draw up a functional and integrative map of the microbiota. The key concern in IBD is to develop biomarkers that allow us to assess the activity of the disease and predict the complications and progression, while also guiding the therapeutic care so as to develop personalized medicine. In this review, we present all of the latest discoveries on the microbiota provided by “omics” and we outline the benefits of these techniques in developing new diagnostic, prognostic and therapeutic tools.
Published: 2021
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29. Drugs in Focus: Octreotide Use in Children With Gastrointestinal Disorders

Author: Osvaldo Borrelli, Erasmo Miele, C Ribes Koninckx, Rut Ann Thomassen, J Martin de-Carpi, Marc A. Benninga, Ilse Broekaert, Jernej Dolinsek, Christo Tzivinikos, Corina Pienar, Emmanuel Mas, Mike Thomson, Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Great Ormond Street Hospital for Children [London] (GOSH), University Hospital of Cologne [Cologne], University medical centre Maribor (UKC Maribor), 'Federico II' University of Naples Medical School, Victor Babeş University of Medicine and Pharmacy (UMFT), University of Amsterdam [Amsterdam] (UvA), Vall d'Hebron University Hospital [Barcelona], Hospital Universitari i Politècnic La Fe, Oslo University Hospital [Oslo], Sheffield Children's NHS Foundation Trust, Al Jalila Children's Specialty Hospital, and VU University Medical Center [Amsterdam]
Subjects: medicine.medical_specialty, Gastrointestinal bleeding, Gastrointestinal Diseases, Octreotide, Lymphangiectasia, somatostatin, Gastroenterology, 03 medical and health sciences, 0302 clinical medicine, Gastrointestinal Agents, children, Chylous ascites, Internal medicine, chylous ascites, medicine, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Humans, Child, business.industry, Chylothorax, [SDV.MHEP.HEG]Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology, medicine.disease, bleeding, 3. Good health, Clinical trial, diarrhoea, Pancreatitis, Pharmaceutical Preparations, ocreotide, 030220 oncology & carcinogenesis, [SDV.MHEP.PSM]Life Sciences [q-bio]/Human health and pathology/Psychiatrics and mental health, Acute Disease, Pediatrics, Perinatology and Child Health, Acute pancreatitis, 030211 gastroenterology & hepatology, business, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, medicine.drug
Abstract: International audience; Octreotide, a somatostatin analogue, has been used for more than 20 years in children with gastrointestinal bleeding, chylothorax or chylous ascites, intestinal lymphangiectasia, pancreatitis, intestinal dysmotility, and severe diarrhoea; however, until now, there is a lack of randomised clinical trials evaluating the efficacy of this compound in childhood. Hence, we aimed to review the literature in order to determine the evidence of its use and safety in children, using PubMed from 2000 to 2021 with the search terms "octreotide" and "children" and "bleeding or chylous ascites or chylothorax or acute pancreatitis or lymphangiectasia or diarrhoea or intestinal dysmotility".
Published: 2021

30. Tackling pandemics in smart cities using machine learning architecture

Author: Desire Ngabo, Wang Dong, Ebuka Ibeke, Celestine Iwendi, and Emmanuel Masabo
Subjects: pandemics, smart cities, artificial intelligence, Biotechnology, TP248.13-248.65, Mathematics, QA1-939
Abstract: With the recent advancement in analytic techniques and the increasing generation of healthcare data, artificial intelligence (AI) is reinventing the healthcare system for tackling pandemics securely in smart cities. AI tools continue register numerous successes in major disease areas such as cancer, neurology and now in new coronavirus SARS-CoV-2 (COVID-19) detection. COVID-19 patients often experience several symptoms which include breathlessness, fever, cough, nausea, sore throat, blocked nose, runny nose, headache, muscle aches, and joint pains. This paper proposes an artificial intelligence (AI) algorithm that predicts the rate of likely survivals of COVID-19 suspected patients based on good immune system, exercises and age quantiles securely. Four algorithms (Naïve Bayes, Logistic Regression, Decision Tree and k-Nearest Neighbours (kNN)) were compared. We performed True Positive (TP) rate and False Positive (FP) rate analysis on both positive and negative covid patients data. The experimental results show that kNN, and Decision Tree both obtained a score of 99.30% while Naïve Bayes and Logistic Regression obtained 91.70% and 99.20%, respectively on TP rate for negative patients. For positive covid patients, Naïve Bayes outperformed other models with a score of 10.90%. On the other hand, Naïve Bayes obtained a score of 89.10% for FP rate for negative patients while Logistic Regression, kNN, and Decision Tree obtained scores of 93.90%, 93.90%, and 94.50%, respectively.
Published: 2021
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31. Climate Change Adaptation and Mitigation Strategies for Small Holder Farmers: A Case of Nyanga District in Zimbabwe

Author: Terence Darlington Mushore, Teddious Mhizha, Moven Manjowe, Linia Mashawi, Electdom Matandirotya, Emmanuel Mashonjowa, Collen Mutasa, Juliet Gwenzi, and George Tawanda Mushambi
Subjects: climate change, Nyanga district, rainfall, agriculture, mitigation, Zimbabwe, Environmental sciences, GE1-350
Abstract: Climate change encompassing mostly hydro-meteorological hazards is a reality affecting the world in diverse ways. It is manifesting in various ways such as increases in frequency and intensity of floods, droughts, and extreme temperatures. In recent years, climate change has induced droughts, other extreme weather events and meteorological disasters in many countries including Zimbabwe. Effective management of climate change induced challenges require localized strategies which may vary from one part of the world to another and even within a country. In view of the need to understand localized impacts and responses to climate change, the main objectives of the study were to (i) assess the impact of climate change on livelihoods and food security, (ii) identify and evaluate adaptation and mitigation strategies that small holder farmers in Ward 17, Nyanga, Zimbabwe have developed. The research used both qualitative and quantitative approaches with data collection methods comprising of questionnaires (56), observations and interviews (8). The tools were used to gather information which included encounters with extreme weather events, climatic trends as well as adaptive responses. The findings showed that climate change had a significant negative impact on the livelihoods and food security status of small holder farmers in ward 17 of Nyanga district. The identified climate change adaptation strategies implemented in the study area included food aid, use of traditional grains and other drought resistant crops, early planting, multiple planting, barter trade and livelihood diversification. The mitigation strategies used included afforestation and reforestation programs, avoiding veld fires and preservation of wetlands. The research identified challenges to climate change adaptation which include lack of markets to sell farming produce, inefficient institutions, poverty and high climate variability and increased uncertainty in the behavior of seasons. The findings of this study indicated the need for similar assessment in other parts of the country as impacts of climate change and responses thereof should vary from place to place.
Published: 2021
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32. An ESPGHAN Position Paper on the Use of Breath Testing in Paediatric Gastroenterology

Author: Rut Ann Thomassen, Jernej Dolinsek, Carmen Ribes-Koninckx, Erasmo Miele, Christos Tzivinikos, Corina Pienar, Javier Martín-de-Carpi, Emmanuel Mas, Marc A. Benninga, Osvaldo Borrelli, Ilse Broekaert, Mike Thomson, University Hospital of Cologne [Cologne], Great Ormond Street Hospital for Children [London] (GOSH), University medical centre Maribor (UKC Maribor), Hospital Sant Joan de Déu [Barcelona], Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), 'Federico II' University of Naples Medical School, Victor Babeş University of Medicine and Pharmacy (UMFT), Hospital Universitari i Politècnic La Fe = University and Polytechnic Hospital La Fe, Oslo University Hospital [Oslo], Sheffield Children's NHS Foundation Trust, Al Jalila Children's Specialty Hospital, VU University Medical Center [Amsterdam], SEGUIN, Nathalie, Broekaert, Ilse Julia, Borrelli, Osvaldo, Dolinsek, Jernej, Martin-de-Carpi, Javier, Mas, Emmanuel, Miele, Erasmo, Pienar, Corina, Ribes-Koninckx, Carmen, Thomassen, Rut, Thomson, Mike, Tzivinikos, Christo, Benninga, Marc, and Hospital Universitari i Politècnic La Fe
Subjects: medicine.medical_specialty, Malabsorption, Consensus, Carbohydrate malabsorption, 030309 nutrition & dietetics, MEDLINE, carbohydrate malabsorption, small intestinal bacterial overgrowth, Helicobacter pylori infection, Helicobacter Infections, 03 medical and health sciences, 0302 clinical medicine, [SDV.MHEP.PED] Life Sciences [q-bio]/Human health and pathology/Pediatrics, children, Internal medicine, Small intestinal bacterial overgrowth, medicine, breath testing, Humans, Intensive care medicine, Exocrine pancreatic insufficiency, Child, Children, 0303 health sciences, [SDV.MHEP.PED]Life Sciences [q-bio]/Human health and pathology/Pediatrics, [SDV.MHEP] Life Sciences [q-bio]/Human health and pathology, business.industry, Gastroenterology, [SDV.MHEP.HEG]Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology, Hepatology, medicine.disease, [SDV.MHEP.HEG] Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology, 3. Good health, Fat malabsorption, Breath testing, Systematic review, Breath Tests, Pediatrics, Perinatology and Child Health, Position paper, 030211 gastroenterology & hepatology, business, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, Systematic Reviews as Topic
Abstract: International audience; Objectives: Given a lack of a systematic approach to the use of breath testing in paediatric patients, the aim of this position paper is to provide expert guidance regarding the indications for its use and practical considerations to optimise its utility and safety. Methods: Nine clinical questions regarding methodology, interpretation, and specific indications of breath testing and treatment of carbohydrate malabsorption were addressed by members of the Gastroenterology Committee (GIC) of the European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN). A systematic literature search was performed from 1983 to 2020 using PubMed, the MEDLINE and Cochrane Database of Systematic Reviews. Grading of Recommendations, Assessment, Development, and Evaluation was applied to evaluate the outcomes. During a consensus meeting, all recommendations were discussed and finalised. In the absence of evidence from randomised controlled trials, recommendations reflect the expert opinion of the authors. Results: A total of 22 recommendations were voted on using the nominal voting technique. At first, recommendations on prerequisites and preparation for as well as on interpretation of breath tests are given. Then, recommendations on the usefulness of H2-lactose breath testing, H2-fructose breath testing as well as of breath tests for other types of carbohydrate malabsorption are provided. Furthermore, breath testing is recommended to diagnose small intestinal bacterial overgrowth (SIBO), to control for success of Helicobacter pylori eradication therapy and to diagnose and monitor therapy of exocrine pancreatic insufficiency, but not to estimate oro-caecal transit time (OCTT) or to diagnose and follow-up on celiac disease. Conclusions: Breath tests are frequently used in paediatric gastroenterology mainly assessing carbohydrate malabsorption, but also in the diagnosis of small intestinal overgrowth, fat malabsorption, H. pylori infection as well as for measuring gastrointestinal transit times. Interpretation of the results can be challenging and in addition, pertinent symptoms should be considered to evaluate clinical tolerance.
Published: 2021

33. MTOR inhibitors reduce enteropathy, intestinal bleeding and colectomy rate in patients with juvenile polyposis of infancy with PTEN-BMPR1A deletion

Author: Henry Taylor, Marta C. Cohen, Stephan Buderus, Charis Eng, Isabel Rojas, Kevin Sweet, Peter Dale, Natalia Nedelkopoulou, Victor L. Fox, Claudia Phen, Inés Loverdos, Holm H. Uhlig, Tim G. J. de Meij, Jürgen Heise, Isabel Spier, Dilay Yerlioglu, Stefan Aretz, Emmanuel Mas, Veronica Busoni, Mike Thomson, Antje Ballauff, Imperial College London, Istanbul University, University of Texas Southwestern Medical Center [Dallas], Helios Klinikum Krefeld - Helios Klinikum Krefeld, Sheffield Children's NHS Foundation Trust, University Hospital Bonn, University of Barcelona, Italian Hospital of Buenos Aires, Helios Klinikum [Erfurt], Royal Gwent Hospital, Vrije Universiteit Amsterdam [Amsterdam] (VU), Ohio State University [Columbus] (OSU), Boston Children's Hospital, Harvard Medical School [Boston] (HMS), Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Case Western Reserve University [Cleveland], Cleveland Clinic, Gemeinnützige Gesellschaft der Franziskanerinnen zu Olpe mbH (GFO), University of Oxford [Oxford], NIHR Oxford Biomedical Research Centre, Pediatric surgery, Amsterdam Gastroenterology Endocrinology Metabolism, and Amsterdam Reproduction & Development (AR&D)
Subjects: AcademicSubjects/SCI01140, 03 medical and health sciences, 0302 clinical medicine, Neoplastic Syndromes, Hereditary, Genetics, medicine, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], PTEN, Humans, Enteropathy, Juvenile polyposis syndrome, [SDV.BBM]Life Sciences [q-bio]/Biochemistry, Molecular Biology, Molecular Biology, Genetics (clinical), PI3K/AKT/mTOR pathway, Bone Morphogenetic Protein Receptors, Type I, Colectomy, 030304 developmental biology, 0303 health sciences, Everolimus, biology, Intestinal Polyposis, TOR Serine-Threonine Kinases, PTEN Phosphohydrolase, General Medicine, MTOR Inhibitors, medicine.disease, BMPR1A, 3. Good health, 030220 oncology & carcinogenesis, Sirolimus, biology.protein, Cancer research, General Article, Haploinsufficiency, Gastrointestinal Hemorrhage, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, medicine.drug
Abstract: Ultra-rare genetic disorders can provide proof of concept for efficacy of targeted therapeutics and reveal pathogenic mechanisms relevant to more common conditions. Juvenile polyposis of infancy (JPI) is caused by microdeletions in chromosome 10 that result in haploinsufficiency of two tumor suppressor genes: phosphatase and tensin homolog deleted on chromosome 10 (PTEN) and bone morphogenetic protein receptor type IA (BMPR1A). Loss of PTEN and BMPR1A results in a much more severe phenotype than deletion of either gene alone, with infantile onset pan-enteric polyposis and a high mortality rate. No effective pharmacological therapy exists. A multi-center cohort analysis was performed to characterize phenotype and investigate the therapeutic effect of mammalian target of rapamycin (mTOR) inhibition (adverse events, disease progression, time to colectomy and mortality) in patients with JPI. Among 25 JPI patients identified (mean age of onset 13 months), seven received mTOR inhibitors (everolimus, n = 2; or sirolimus, n = 5). Treatment with an mTOR inhibitor reduced the risk of colectomy (hazard ratio = 0.27, 95% confidence interval = 0.07–0.954, P = 0.042) and resulted in significant improvements in the serum albumin level (mean increase = 16.3 g/l, P = 0.0003) and hemoglobin (mean increase = 2.68 g/dl, P = 0.0077). Long-term mTOR inhibitor treatment was well tolerated over an accumulated follow-up time of 29.8 patient years. No serious adverse events were reported. Early therapy with mTOR inhibitors offers effective, pathway-specific and personalized treatment for patients with JPI. Inhibition of the phosphoinositol-3-kinase–AKT–mTOR pathway mitigates the detrimental synergistic effects of combined PTEN–BMPR1A deletion. This is the first effective pharmacological treatment identified for a hamartomatous polyposis syndrome., Graphical Abstract Graphical Abstract
Published: 2021

34. Fuzzy Based Prediction Model for Air Quality Monitoring for Kampala City in East Africa

Author: Calorine Katushabe, Santhi Kumaran, and Emmanuel Masabo
Subjects: air pollution, fuzzy logic, Kampala Air Quality Index, Technology, Applied mathematics. Quantitative methods, T57-57.97
Abstract: The quality of air affects lives and the environment at large. Poor air quality has claimed many lives and distorted the environment across the globe, and much more severely in African countries where air quality monitoring systems are scarce or even do not exist. Here in Africa, dirty air is brought about by the growth in industrialization, urbanization, flights, and road traffic. Air pollution remains such a silent killer, especially in Africa, and if not dealt with, it will continue to lead to health issues, such as heart conditions, stroke, and chronic respiratory organ unwellness, which later result in death. In this paper, the Kampala Air Quality Index prediction model based on the fuzzy logic inference system was designed to determine the air quality for Kampala city, according to the air pollutant concentrations (nitrogen dioxide, sulphur dioxide and fine particulate matter 2.5). It is observed that fuzzy logic algorithms are capable of determining the air quality index and therefore, can be used to predict and estimate the air quality index in real time, based on the given air pollutant concentrations. Hence, this can reduce the effects of air pollution on both humans and the environment.
Published: 2021
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35. Diagnosis, Management, and Prevention of Button Battery Ingestion in Childhood: A European Society for Paediatric Gastroenterology Hepatology and Nutrition Position Paper

Author: Matjaž Homan, Nikhil Thapar, Mike Thomson, Christos Tzivinikos, Lissy de Ridder, Amani Mubarak, Emmanuel Mas, Marc A. Benninga, Ilse Broekaert, Corina Pienar, Jernej Dolinsek, Erasmo Miele, University Medical Center [Utrecht], Emma Children’s Hospital, University Hospital of Cologne [Cologne], University medical centre Maribor (UKC Maribor), Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), 'Federico II' University of Naples Medical School, Victor Babeş University of Medicine and Pharmacy (UMFT), Great Ormond Street Hospital for Children [London] (GOSH), Sheffield Children's NHS Foundation Trust, Al Jalila Children's Specialty Hospital, Eramus MC-Sophia Children’s Hospital, Partenaires INRAE, Nestle SA, Danone Nutricia, Mubarak, Amani, Benninga, Marc A, Broekaert, Ilse, Dolinsek, Jernej, Homan, Matjaž, Mas, Emmanuel, Miele, Erasmo, Pienar, Corina, Thapar, Nikhil, Thomson, Mike, Tzivinikos, Christo, de Ridder, Lissy, Paediatric Gastroenterology, AGEM - Amsterdam Gastroenterology Endocrinology Metabolism, ARD - Amsterdam Reproduction and Development, SEGUIN, Nathalie, and Pediatrics
Subjects: medicine.medical_specialty, MEDLINE, [SPI.MAT] Engineering Sciences [physics]/Materials, Asymptomatic, [SPI.MAT]Engineering Sciences [physics]/Materials, Eating, 03 medical and health sciences, [SDV.MHEP.PED] Life Sciences [q-bio]/Human health and pathology/Pediatrics, Electric Power Supplies, Esophagus, 0302 clinical medicine, SDG 3 - Good Health and Well-being, 030225 pediatrics, Internal medicine, medicine, Humans, endoscopy, Child, Intensive care medicine, [SDV.MHEP.PED]Life Sciences [q-bio]/Human health and pathology/Pediatrics, medicine.diagnostic_test, Impaction, business.industry, Gastroenterology, [SDV.MHEP.HEG]Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology, Guideline, Hepatology, Foreign Bodies, foreign body, esophageal perforation, [SDV.MHEP.HEG] Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology, 3. Good health, Endoscopy, caustic ingestion, [SDV.AEN] Life Sciences [q-bio]/Food and Nutrition, medicine.anatomical_structure, pediatric, Pediatrics, Perinatology and Child Health, Position paper, 030211 gastroenterology & hepatology, medicine.symptom, business, [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition
Abstract: International audience; Button batteries (BB) remain a health hazard to children as ingestion might lead to life-threatening complications, especially if the battery is impacted in the esophagus. Worldwide initiatives have been set up in order to prevent and also timely diagnose and manage BB ingestions. A European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN) task force for BB ingestions has been founded, which aimed to contribute to reducing the health risks related to this event. It is important to focus on the European setting, next to other worldwide initiatives, to develop and implement effective management strategies. As one of the first initiatives of the ESPGHAN task force, this ESPGHAN position paper has been written. The literature is summarized, and prevention strategies are discussed focusing on some controversial topics. An algorithm for the diagnosis and management of BB ingestions is presented and compared to previous guidelines (NASPGHAN, National Poison Center). In agreement with earlier guidelines, immediate localization of the BB is important and in case of esophageal impaction, the BB should be removed instantly (preferably 12 hours after ingestion or time point of removal >12 hours after ingestion) and esophageal impaction the guideline suggests to perform a CT scan in order to evaluate for vascular injury before removing the battery. In delayed diagnosis, even if the battery has passed the esophagus, endoscopy to screen for esophageal damage and a CT scan to rule out vascular injury should be considered even in asymptomatic children. In asymptomatic patients with early diagnosis (
Published: 2021

36. Systematic review and meta‐analysis: the incidence and prevalence of paediatric coeliac disease across Europe

Author: Osvaldo Borrelli, Christos Tzivinikos, Corina Pienar, Carmen Ribes-Koninckx, John Williams, Kym Thorne, Ilse Broekaert, Stephen E. Roberts, Javier Martín-de-Carpi, Ann John, Emmanuel Mas, Nikhil Thapar, Marc A. Benninga, Rut Anne Thomassen, Mike Thomson, Jernej Dolinsek, Sian Morrison-Rees, Erasmo Miele, Roberts, Stephen E, Morrison-Rees, Sian, Thapar, Nikhil, Benninga, Marc A, Borrelli, Osvaldo, Broekaert, Ilse, Dolinsek, Jernej, Martin-de-Carpi, Javier, Mas, Emmanuel, Miele, Erasmo, Pienar, Corina, Ribes-Koninckx, Carmen, Thomassen, Rut A, Thomson, Mike, Tzivinikos, Christo, Thorne, Kymberley, John, Ann, Williams, John G, Swansea University, Great Ormond Street Hospital for Children [London] (GOSH), University College of London [London] (UCL), Children’s Health Queensland [Brisbane] (CHQ), University of Amsterdam [Amsterdam] (UvA), University Hospital of Cologne [Cologne], University medical centre Maribor (UKC Maribor), Institut de Recerca Pediàtrica Hospital Sant Joan de Déu [Barcelona, Spain], Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), 'Federico II' University of Naples Medical School, Victor Babeş University of Medicine and Pharmacy (UMFT), Hospital Universitari i Politècnic La Fe, Oslo University Hospital [Oslo], University of Sheffield [Sheffield], Al Jalila Children's Specialty Hospital, and European Society for Paediatric Gastroenterology Hepatology and Nutrition
Subjects: Pediatrics, medicine.medical_specialty, MEDLINE, Age at diagnosis, Cochrane Library, Asymptomatic, Coeliac disease, Serology, 03 medical and health sciences, 0302 clinical medicine, 030225 pediatrics, Prevalence, medicine, Humans, Pharmacology (medical), Child, Aged, Autoantibodies, [SDV.MHEP.PED]Life Sciences [q-bio]/Human health and pathology/Pediatrics, Hepatology, business.industry, Incidence, Incidence (epidemiology), Gastroenterology, Infant, medicine.disease, 3. Good health, Europe, Celiac Disease, Child, Preschool, Meta-analysis, 030211 gastroenterology & hepatology, medicine.symptom, business, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract: Background: Coeliac disease is one of the most prevalent immune-mediated gastrointestinal disorders in children. Aim: To review the incidence and prevalence of paediatric coeliac disease, and their trends, regionally across Europe, overall and according to age at diagnosis. Methods: Systematic review and meta-analysis from January 1, 1950 to December 31, 2019, based on PubMed, CINAHL and the Cochrane Library, searches of grey literature and websites and hand searching of reference lists. A total of 127 eligible studies were included. Results: The prevalence of previously undiagnosed coeliac disease from screening surveys (histology based) ranged from 0.10% to 3.03% (median = 0.70%), with a significantly increasing annual trend (P = 0.029). Prevalence since 2000 was significantly higher in northern Europe (1.60%) than in eastern (0.98%), southern (0.69%) and western (0.60%) Europe. Large increases in the incidence of diagnosed coeliac disease across Europe have reached 50 per 100 000 person-years in Scandinavia, Finland and Spain. The median age at diagnosis increased from 1.9 years before 1990 to 7.6 since 2000. Larger increases in incidence were found in older age groups than in infants and ages
Published: 2021

37. Bi-allelic variants in IPO8 cause a connective tissue disorder associated with cardiovascular defects, skeletal abnormalities, and immune dysregulation

Author: Karine Duroure, Estelle Colin, Thomas Edouard, Ludovic Martin, Linda Grimaud, Lyndon Gallacher, George McGillivray, Guy Lenaers, Valérie Desquiret-Dumas, Clarisse Billon, Anne Breton, Mohammed Zarhrate, Emmanuel Mas, Dominique Bonneau, Lynn Pais, Daniel Henrion, Thomas Haaf, Reza Maroofian, Marianna Parlato, Frank M. Ruemmele, Anne-Laure Guihot, Anaïs Philippe, Ehsan Ghayoor Karimiani, Pauline E. Schneeberger, Stanislas Lyonnet, Bernadette Bègue, Bruno Moulin, Rémi Duclaux-Loras, Nicolas Cagnard, Michael Frank, Laurence Faivre, Ruben Attali, Yves Alembik, Filippo Del Bene, Kerstin Kutsche, Céline Revenu, Fabienne Charbit-Henrion, Katta M. Girisha, Aboulfazl Rad, Eyal Reinstein, Shalini S. Nayak, Barbara Vona, Nadine Cerf-Bensussan, Caroline Lekszas, Shay Tzur, Alban Ziegler, Susan M. White, Centre Hospitalier Universitaire d'Angers (CHU Angers), PRES Université Nantes Angers Le Mans (UNAM), MitoVasc - Physiopathologie Cardiovasculaire et Mitochondriale (MITOVASC), Université d'Angers (UA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Laboratory of Intestinal Immunity (Equipe Inserm U1163), Imagine - Institut des maladies génétiques (IHU) (Imagine - U1163), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Institut de la Vision, Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Ingénierie Radioprotection Sûreté Démantèlement (IRSD), Centre National de la Recherche Scientifique (CNRS), Geroscience and rejuvenation research center (RESTORE), Université de Toulouse (UT)-Université de Toulouse (UT)-EFS-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Hôpital Européen Georges Pompidou [APHP] (HEGP), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO), Embryology and genetics of human malformation, CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), FHU TRANSLAD (CHU de Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Hôpital de Hautepierre [Strasbourg], Nouvel Hôpital Civil de Strasbourg, Tel Aviv University (TAU), Emedgene Technologies [Tel Aviv], Murdoch Children's Research Institute (MCRI), Universitaetsklinikum Hamburg-Eppendorf = University Medical Center Hamburg-Eppendorf [Hamburg] (UKE), Kasturba Medical College, Manipal, Massachusetts Institute of Technology (MIT), University College of London [London] (UCL), Eberhard Karls Universität Tübingen = Eberhard Karls University of Tuebingen, St George's, University of London, University of Würzburg = Universität Würzburg, Fondation Princesse Grace, Fondation Maladies Rares, Harbig Family Foundation, Royal Children's Hospital Foundation, University of Tubingen (2545-1-0), Federal Ministry of Education and Research (01DQ17003 to K.K.), Indian Council of Medical Research (file no. 5/7/1508/2016 to K.M.G), National Human Genome Research Institute, the National Eye Institute, and the National Heart, Lung, and Blood Institute grant UM1 HG008900, National Human Genome Research Institute grant R01 HG009141, Victorian Government's Operational Infrastructure Support Program, ANR-10-IAHU-0001,Imagine,Institut Hospitalo-Universitaire Imagine(2010), ANR-18-IAHU-0001,FOReSIGHT,Enabling Vision Restoration(2018), European Project: 661527,H2020,H2020-MSCA-IF-2014,NMJALS(2015), European Project: 339407,EC:FP7:ERC,ERC-2013-ADG,IMMUNOBIOTA(2014), Service de génétique [Angers], Université d'Angers (UA)-Centre Hospitalier Universitaire d'Angers (CHU Angers), PRES Université Nantes Angers Le Mans (UNAM)-PRES Université Nantes Angers Le Mans (UNAM), Autophagie infection et immunité - Autophagy Infection Immunity (APY), Centre International de Recherche en Infectiologie - UMR (CIRI), Institut National de la Santé et de la Recherche Médicale (INSERM)-École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Génétique et Biologie du Développement, Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP), Imagine - Institut des maladies génétiques (IMAGINE - U1163), Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Physiopathologie Cardiovasculaire et Mitochondriale (MITOVASC), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-EFS-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Embryology and genetics of human malformation (Equipe Inserm U1163), SEGUIN, Nathalie, Instituts Hospitalo-Universitaires - Institut Hospitalo-Universitaire Imagine - - Imagine2010 - ANR-10-IAHU-0001 - IAHU - VALID, Enabling Vision Restoration - - FOReSIGHT2018 - ANR-18-IAHU-0001 - IAHU - VALID, In vivo analysis of neuromuscular junction stability in zebrafish models of amyotrophic lateral sclerosis - NMJALS - - H20202015-11-16 - 2017-11-15 - 661527 - VALID, Host-microbiota interactions across the gut immune system:lessons from early onset inflammatory bowel diseases and from gnotobiotic mice - IMMUNOBIOTA - - EC:FP7:ERC2014-03-01 - 2019-02-28 - 339407 - VALID, École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Male, Connective Tissue Disorder, Loss of Heterozygosity, [SDV.GEN] Life Sciences [q-bio]/Genetics, medicine.disease_cause, IPO8, TGF-β signaling, Pathogenesis, 0302 clinical medicine, Loss of Function Mutation, Transforming Growth Factor beta, connective tissue disorder, Child, Connective Tissue Diseases, Zebrafish, Genetics (clinical), Karyopherin, chemistry.chemical_classification, [SDV.MP.VIR] Life Sciences [q-bio]/Microbiology and Parasitology/Virology, Immunity, Cellular, 0303 health sciences, [SDV.MHEP] Life Sciences [q-bio]/Human health and pathology, Middle Aged, beta Karyopherins, Pedigree, arterial dilatation, Cell biology, [SDV.MHEP.CSC] Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, Phenotype, medicine.anatomical_structure, Cardiovascular Diseases, [SDV.MP.VIR]Life Sciences [q-bio]/Microbiology and Parasitology/Virology, Female, Bone Diseases, Signal Transduction, Adult, Adolescent, Connective tissue, Biology, Importin 8, Young Adult, 03 medical and health sciences, [SDV.IMM.VAC] Life Sciences [q-bio]/Immunology/Vaccinology, [SDV.MHEP.CSC]Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, Report, Genetics, medicine, Animals, Humans, 030304 developmental biology, [SDV.GEN]Life Sciences [q-bio]/Genetics, Infant, Immune dysregulation, Loeys-Dietz syndrome, biology.organism_classification, joint hyperlaxity, chemistry, [SDV.IMM.VAC]Life Sciences [q-bio]/Immunology/Vaccinology, 030217 neurology & neurosurgery, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, Transforming growth factor
Abstract: International audience; Dysregulated transforming growth factor TGF-beta signaling underlies the pathogenesis of genetic disorders affecting the connective tissue such as Loeys-Dietz syndrome. Here, we report 12 individuals with bi-allelic loss-of-function variants in IPO8 who presented with a syndromic association characterized by cardio-vascular anomalies, joint hyperlaxity, and various degree of dysmorphic features and developmental delay as well as immune dysregulation; the individuals were from nine unrelated families. Importin 8 belongs to the karyopherin family of nuclear transport receptors and was previously shown to mediate TGF-beta-dependent SMADs trafficking to the nucleus in vitro. The important in vivo role of IPO8 in pSMAD nuclear translocation was demonstrated by CRISPR/Cas9-mediated inactivation in zebrafish. Consistent with IPO8's role in BMP/TGF-beta signaling, ipo8(-/-) zebrafish presented mild to severe dorso-ventral patterning defects during early embryonic development. Moreover, ipo8(-/-) zebrafish displayed severe cardiovascular and skeletal defects that mirrored the human phenotype. Our work thus provides evidence that IPO8 plays a critical and non-redundant role in TGF-beta signaling during development and reinforces the existing link between TGF-beta signaling and connective tissue defects.
Published: 2021

38. Diagnosing undernutrition children and adults: new French criteria. Why, for what and for whom? A joint statement of the French National Authority for Health and French Federation of Nutrition

Author: Emmanuel Mas, Béatrice Dubern, Jean-Claude Desport, Jacques Delarue, Francisca Joly, Alexandre Pitard, Eric Fontaine, Centre Hospitalier Régional Universitaire de Brest (CHRU Brest), Neuroépidémiologie Tropicale (NET), Institut Génomique, Environnement, Immunité, Santé, Thérapeutique (GEIST), Université de Limoges (UNILIM)-Université de Limoges (UNILIM)-CHU Limoges-Institut d'Epidémiologie Neurologique et de Neurologie Tropicale-Institut National de la Santé et de la Recherche Médicale (INSERM), CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Centre de recherche sur l'Inflammation (CRI (UMR_S_1149 / ERL_8252 / U1149)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Haute Autorité de Santé [Saint-Denis La Plaine] (HAS), Laboratory of Fundamental and Applied Bioenergetics = Laboratoire de bioénergétique fondamentale et appliquée (LBFA), and Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Grenoble Alpes (UGA)
Subjects: Adult, Pediatrics, medicine.medical_specialty, 030309 nutrition & dietetics, Population, Medicine (miscellaneous), Nutritional Status, Guidelines as Topic, law.invention, 03 medical and health sciences, 0302 clinical medicine, Randomized controlled trial, law, Weight loss, Weight Loss, medicine, Humans, 030212 general & internal medicine, Obesity, education, Child, Body mass index, 2. Zero hunger, 0303 health sciences, education.field_of_study, Nutrition and Dietetics, business.industry, Malnutrition, Undernutrition, medicine.disease, Nutritional assessment, 3. Good health, Systematic review, Etiology, medicine.symptom, business, [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, Muscle function assessment
Abstract: The objective was to establish new diagnostic criteria for undernutrition for the French population, concordant for children aged
Published: 2021

39. Cytolethal Distending Toxin Promotes Replicative Stress Leading to Genetic Instability Transmitted to Daughter Cells

Author: William Tremblay, Florence Mompart, Elisa Lopez, Muriel Quaranta, Valérie Bergoglio, Saleha Hashim, Delphine Bonnet, Laurent Alric, Emmanuel Mas, Didier Trouche, Julien Vignard, Audrey Ferrand, Gladys Mirey, Anne Fernandez-Vidal, Génotoxicité & Signalisation (ToxAlim-GS), ToxAlim (ToxAlim), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Ecole d'Ingénieurs de Purpan (INPT - EI Purpan), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut de Recherche en Santé Digestive (IRSD ), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Unité de biologie moléculaire, cellulaire et du développement (MCD), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Centre de Biologie Intégrative (CBI), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Contaminants & Stress Cellulaire (ToxAlim-COMICS), CHU Toulouse [Toulouse], La Ligue Contrele Cancer (Haute-Garonne’s committee), ANR-10-CESA-0011,GENOTOXTRACK,Biomarqueurs de génotoxicité ex vivo et in vivo.(2010), ANR-14-CE21-0008,GENOTRACE,Traceurs de génotoxicité et traceurs biologiques pour un essai micronoyau en cellules vivantes(2014), Mirey, Gladys, CONTAMINANTS, ECOSYSTEMES, SANTE - Biomarqueurs de génotoxicité ex vivo et in vivo. - - GENOTOXTRACK2010 - ANR-10-CESA-0011 - CES - VALID, Appel à projets générique - Traceurs de génotoxicité et traceurs biologiques pour un essai micronoyau en cellules vivantes - - GENOTRACE2014 - ANR-14-CE21-0008 - Appel à projets générique - VALID, Unité de biologie moléculaire, cellulaire et du développement - UMR5077 (MCD), Centre de Biologie Intégrative (CBI), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), and La Ligue Contre le Cancer (Haute-Garonne's committee) (AF-V)
Subjects: Cell division, Cytolethal distending toxin, DNA damage, QH301-705.5, [SDV]Life Sciences [q-bio], Cell, replicative stress, [SDV.GEN] Life Sciences [q-bio]/Genetics, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, Biology, medicine.disease_cause, Cell and Developmental Biology, 03 medical and health sciences, medicine, Biology (General), Mitosis, [SDV.BC] Life Sciences [q-bio]/Cellular Biology, Original Research, 030304 developmental biology, 0303 health sciences, humancolorectal organoid, [SDV.GEN]Life Sciences [q-bio]/Genetics, 030302 biochemistry & molecular biology, DNA bridge, DNA replication, [SDV.BBM.BM]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology, genetic instability, Cell Biology, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, 3. Good health, Cell biology, [SDV] Life Sciences [q-bio], medicine.anatomical_structure, human colorectal organoid, Stem cell, [SDV.MP.BAC] Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, Carcinogenesis, cytolethal distending toxin, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, Developmental Biology
Abstract: The cytolethal distending toxin (CDT) is produced by several Gram-negative pathogenic bacteria. In addition to inflammation, experimental evidences are in favor of a protumoral role of CDT-harboring bacteria such as Escherichia coli, Campylobacter jejuni, or Helicobacter hepaticus. CDT may contribute to cell transformation in vitro and carcinogenesis in mice models, through the genotoxic action of CdtB catalytic subunit. Here, we investigate the mechanism of action by which CDT leads to genetic instability in human cell lines and colorectal organoids from healthy patients’ biopsies. We demonstrate that CDT holotoxin induces a replicative stress dependent on CdtB. The slowing down of DNA replication occurs mainly in late S phase, resulting in the expression of fragile sites and important chromosomic aberrations. These DNA abnormalities induced after CDT treatment are responsible for anaphase bridge formation in mitosis and interphase DNA bridge between daughter cells in G1 phase. Moreover, CDT-genotoxic potential preferentially affects human cycling cells compared to quiescent cells. Finally, the toxin induces nuclear distension associated to DNA damage in proliferating cells of human colorectal organoids, resulting in decreased growth. Our findings thus identify CDT as a bacterial virulence factor targeting proliferating cells, such as human colorectal progenitors or stem cells, inducing replicative stress and genetic instability transmitted to daughter cells that may therefore contribute to carcinogenesis. As some CDT-carrying bacterial strains were detected in patients with colorectal cancer, targeting these bacteria could be a promising therapeutic strategy.
Published: 2021

40. How Can a Polymeric Formula Induce Remission in Crohn’s Disease Patients ?

Author: kawthar Boumessid, Frédérick Barreau, Emmanuel Mas, Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut National de la Santé et de la Recherche Médicale (INSERM), CHU Toulouse, Hôpital des Enfants, Unité de Gastroentérologie, Hépatologie et Nutrition, Département de Pédiatrie, Hôpital Purpan [Toulouse], CHU Toulouse [Toulouse]-CHU Toulouse [Toulouse], Service Gastroentérologie, hépatologie nutrition, diabétologie et maladies héréditaires du métabolisme pédiatrique [CHU Toulouse], Pôle Enfants [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), and Raynaud, Christelle
Subjects: 0301 basic medicine, Crohn’s disease, medicine.medical_specialty, Crohn&#8217, Polymers, Lipid composition, Disease, Review, Inflammatory bowel disease, Gastroenterology, Models, Biological, Catalysis, Inorganic Chemistry, lcsh:Chemistry, s disease, mucosal healing, 03 medical and health sciences, Transforming Growth Factor beta2, 0302 clinical medicine, Crohn Disease, inflammatory bowel disease, Internal medicine, medicine, [SDV.BBM] Life Sciences [q-bio]/Biochemistry, Molecular Biology, Humans, [SDV.BBM]Life Sciences [q-bio]/Biochemistry, Molecular Biology, Dietary therapy, Palatability, Physical and Theoretical Chemistry, Intestinal Mucosa, Molecular Biology, lcsh:QH301-705.5, Spectroscopy, Crohn's disease, business.industry, exclusive enteral nutrition, Organic Chemistry, Remission Induction, General Medicine, medicine.disease, 3. Good health, Computer Science Applications, 030104 developmental biology, Parenteral nutrition, lcsh:Biology (General), lcsh:QD1-999, Mucosal healing, 030211 gastroenterology & hepatology, business
Abstract: International audience; Crohn’s disease is an inflammatory bowel disease whose prevalence is increasing worldwide. Among medical strategies, dietary therapy with exclusive enteral nutrition is recommended as a first-line option, at least for children, because it induces clinical remission and mucosal healing. Modulen®, a polymeric TGF-β2 enriched formula, has good palatability and is widely used. For the first time in the literature, this review outlines and discusses the clinical outcomes obtained with this therapy, as well as the potential mechanisms of action of its compounds. It can be explained by its TGF-β2 content, but also by its protein and lipid composition. Further well-designed studies are required to improve our knowledge and to optimize therapeutic strategies.
Published: 2021

41. Epithelial production of elastase is increased in inflammatory bowel disease and causes mucosal inflammation

Author: Perrine Rousset, Laurent Alric, Anissa Edir, Chrystelle Bonnart, Jean-Paul Motta, Céline Deraison, David Sagnat, Elena F. Verdu, Derek M. McKay, Corinne Rolland, Emmanuel Mas, Laura Guiraud, Delphine Bonnet, Nathalie Vergnolle, Muriel Quaranta-Nicaise, Etienne Buscail, Ana Carolina Rodrigues Florence, Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), CHU Toulouse [Toulouse], McMaster University [Hamilton, Ontario], University of Calgary, ANR JCJC-11JSV1 001 01, AOL-MICILIP project, ANR-12-BSV1-0030,ELAPROB-IBD,Mecanismes d'action des probiotiques recombinants pour l'Elafine: Leur utilisation possible pour traiter les maladies inflammatoires chroniques de l'intestin?(2012), ANR-11-EQPX-0003,ANINFIMIP,Equipements plateforme animalerie infectieuse de haute-sécurité de Midi Pyrénées(2011), European Project: 627487,EC:FP7:PEOPLE,FP7-PEOPLE-2013-IOF,EPIMACASE(2014), European Project: 310973,EC:FP7:ERC,ERC-2012-StG_20111109,PIPE(2013), Université de Toulouse (UT)-Université de Toulouse (UT)-Ecole Nationale Vétérinaire de Toulouse (ENVT), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), SEGUIN, Nathalie, BLANC - Mecanismes d'action des probiotiques recombinants pour l'Elafine: Leur utilisation possible pour traiter les maladies inflammatoires chroniques de l'intestin? - - ELAPROB-IBD2012 - ANR-12-BSV1-0030 - BLANC - VALID, Equipements plateforme animalerie infectieuse de haute-sécurité de Midi Pyrénées - - ANINFIMIP2011 - ANR-11-EQPX-0003 - EQPX - VALID, THE ROLE OF ELASTASE/ELASTASE INHIBITOR IN DIALOG BETWEEN INTESTINAL EPITHELIAL CELLS AND MACROPHAGES IN INFLAMMATORY BOWEL DISEASES CONTEXT - EPIMACASE - - EC:FP7:PEOPLE2014-08-06 - 2016-08-05 - 627487 - VALID, and Physiology of the Intestine: Proteases from the Epithelium - PIPE - - EC:FP7:ERC2013-04-01 - 2018-03-31 - 310973 - VALID
Subjects: 0301 basic medicine, Adult, Male, Proteases, [SDV.MHEP.PHY] Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Colon, medicine.medical_treatment, Immunology, Inflammation, Disease, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, Inflammatory bowel disease, Article, Tight Junctions, 03 medical and health sciences, 0302 clinical medicine, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Immunology and Allergy, Medicine, Humans, Intestinal Mucosa, [SDV.BC] Life Sciences [q-bio]/Cellular Biology, Immunity, Mucosal, Barrier function, [SDV.MHEP] Life Sciences [q-bio]/Human health and pathology, business.industry, Elastase, Middle Aged, medicine.disease, Inflammatory Bowel Diseases, Pathophysiology, digestive system diseases, 3. Good health, Up-Regulation, 030104 developmental biology, Cytokine, Cytokines, 030211 gastroenterology & hepatology, Female, medicine.symptom, Inflammation Mediators, business, Leukocyte Elastase, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract: International audience; Imbalance between proteases and their inhibitors plays a crucial role in the development of Inflammatory Bowel Diseases (IBD). Increased elastolytic activity is observed in the colon of patients suffering from IBD. Here, we aimed at identifying the players involved in elastolytic hyperactivity associated with IBD and their contribution to the disease. We revealed that epithelial cells are a major source of elastolytic activity in healthy human colonic tissues and this activity is greatly increased in IBD patients, both in diseased and distant sites of inflammation. This study identified a previously unrevealed production of elastase 2A (ELA2A) by colonic epithelial cells, which was enhanced in IBD patients. We demonstrated that ELA2A hyperactivity is sufficient to lead to a leaky epithelial barrier. Epithelial ELA2A hyperactivity also modified the cytokine gene expression profile with an increase of pro-inflammatory cytokine transcripts, while reducing the expression of pro-resolving and repair factor genes. ELA2A thus appears as a novel actor produced by intestinal epithelial cells, which can drive inflammation and loss of barrier function, two essentials pathophysiological hallmarks of IBD. Targeting ELA2A hyperactivity should thus be considered as a potential target for IBD treatment.
Published: 2021

42. Colitis Linked to Endoplasmic Reticulum Stress Induces Trypsin Activity Affecting Epithelial Functions

Author: Delphine Bonnet, Nathalie Vergnolle, Sylvain Kirzin, Corinne Rolland, Muriel Quaranta-Nicaise, Alexandre Denadai-Souza, Anissa Edir, Laurent Alric, Nuria Sola Tapias, Emmanuel Mas, Gilles Dietrich, Marlène Marcellin, Frédérick Barreau, Carla Cirillo, Céline Deraison, Claire Rolland-Fourcade, Odile Burlet-Schiltz, Chrystelle Bonnart, Catherine Blanpied, Guillaume Portier, Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut de pharmacologie et de biologie structurale (IPBS), Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées, Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven), CHU Toulouse [Toulouse], University of Calgary, ANR-11-JSV1-0001,IBD-ase,Identification des protéases impliquées dans les maladies inflammatoires chroniques de l'intestin et analyse moléculaire des conséquences de leur hyperactivité(2011), European Project: 310973,EC:FP7:ERC,ERC-2012-StG_20111109,PIPE(2013), Université de Toulouse (UT)-Université de Toulouse (UT)-Ecole Nationale Vétérinaire de Toulouse (ENVT), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), and Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)
Subjects: 0301 basic medicine, Chemokine, Thapsigargin, Cell Culture Techniques, Inflammation, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, Inflammatory bowel disease, Cell Line, 03 medical and health sciences, chemistry.chemical_compound, trypsin-like proteases, 0302 clinical medicine, Crohn Disease, medicine, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Humans, Trypsin, Interleukin 8, sendoplasmic reticulum stress, Barrier function, biology, business.industry, Endoplasmic reticulum, Gastroenterology, intestinal epithelial cell, General Medicine, Endoplasmic Reticulum Stress, 3. Good health, Cell biology, Organoids, Enterocytes, 030104 developmental biology, [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, Intestinal Absorption, chemistry, Unfolded protein response, biology.protein, Colitis, Ulcerative, 030211 gastroenterology & hepatology, medicine.symptom, permeability, business, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, medicine.drug
Abstract: Background and Aims Intestinal epithelial cells [IECs] from inflammatory bowel disease [IBD] patients exhibit an excessive induction of endoplasmic reticulum stress [ER stress] linked to altered intestinal barrier function and inflammation. Colonic tissues and the luminal content of IBD patients are also characterized by increased serine protease activity. The possible link between ER stress and serine protease activity in colitis-associated epithelial dysfunctions is unknown. We aimed to study the association between ER stress and serine protease activity in enterocytes and its impact on intestinal functions Methods The impact of ER stress induced by Thapsigargin on serine protease secretion was studied using either human intestinal cell lines or organoids. Moreover, treating human intestinal cells with protease-activated receptor antagonists allowed us to investigate ER stress-resulting molecular mechanisms that induce proteolytic activity and alter intestinal epithelial cell biology. Results Colonic biopsies from IBD patients exhibited increased epithelial trypsin-like activity associated with elevated ER stress. Induction of ER stress in human intestinal epithelial cells displayed enhanced apical trypsin-like activity. ER stress-induced increased trypsin activity destabilized intestinal barrier function by increasing permeability and by controlling inflammatory mediators such as C-X-C chemokine ligand 8 [CXCL8]. The deleterious impact of ER stress-associated trypsin activity was specifically dependent on the activation of protease-activated receptors 2 and 4. Conclusions Excessive ER stress in IECs caused an increased release of trypsin activity that, in turn, altered intestinal barrier function, promoting the development of inflammatory process.
Published: 2021

43. Increased Fecal Calprotectin is Associated with Worse Gastrointestinal Symptoms and Quality of Life Scores in Children with Cystic Fibrosis

Author: Fabien Beaufils, Michael Fayon, Raphaël Enaud, Stéphanie Bui, Laurence Delhaes, Thierry Lamireau, Emmanuel Mas, H. Clouzeau, François Galode, M. Mittaine, Martin Addra, Centre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] (CRCTB), Université Bordeaux Segalen - Bordeaux 2-CHU Bordeaux [Bordeaux]-Institut National de la Santé et de la Recherche Médicale (INSERM), Aquitaine’s Care and Research organisation for inflammatory and Immune-Mediated diseases [CHU Bordeaux] (FHU ACRONIM), CHU Bordeaux [Bordeaux], CIC Bordeaux, Université Bordeaux Segalen - Bordeaux 2-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), CHU Toulouse [Toulouse], Bordeaux population health (BPH), Université de Bordeaux (UB)-Institut de Santé Publique, d'Épidémiologie et de Développement (ISPED)-Institut National de la Santé et de la Recherche Médicale (INSERM), Admin, Oskar, and Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)
Subjects: medicine.medical_specialty, Nausea, lcsh:Medicine, Gastroenterology, Cystic fibrosis, [SDV.MHEP.PSR]Life Sciences [q-bio]/Human health and pathology/Pulmonology and respiratory tract, Article, 03 medical and health sciences, 0302 clinical medicine, Bloating, [SDV.MHEP.PED] Life Sciences [q-bio]/Human health and pathology/Pediatrics, Quality of life, 030225 pediatrics, Internal medicine, gas, intestinal inflammation, Medicine, [SDV.MHEP.PED]Life Sciences [q-bio]/Human health and pathology/Pediatrics, business.industry, lcsh:R, [SDV.MHEP.HEG]Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology, General Medicine, pancreatic insufficiency, medicine.disease, nausea, [SDV.MHEP.HEG] Life Sciences [q-bio]/Human health and pathology/Hépatology and Gastroenterology, humanities, 3. Good health, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, Vomiting, Biomarker (medicine), [SDV.MHEP.PSR] Life Sciences [q-bio]/Human health and pathology/Pulmonology and respiratory tract, 030211 gastroenterology & hepatology, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, reflux, Calprotectin, medicine.symptom, business, Dysbiosis
Abstract: In cystic fibrosis (CF), cystic fibrosis transmembrane regulator (CFTR) dysfunction leads to digestive disorders that promote intestinal inflammation and dysbiosis enhancing gastrointestinal symptoms. In pancreatic insufficiency CF patients, both intestinal inflammation and dysbiosis, are associated with an increase in the fecal calprotectin (FC) level. However, associations between the FC level, gastrointestinal symptoms, and quality of life (QoL) remain poorly studied. We aimed to assess such associations in pancreatic insufficiency CF children. The FC level was measured in pancreatic insufficiency CF children&rsquo, s stool samples. Children and their parents completed two questionnaires: The Gastrointestinal Symptoms Scales 3.0-PedsQLTM and the Quality of Life Pediatric Inventory 4.0-PedsQLTM. Lower scores indicated worse symptomatology or QoL. Thirty-seven CF children were included. A FC level above 250 &micro, g/g was associated with worse gastrointestinal symptoms and QoL scores. The FC level was inversely correlated with several gastrointestinal scores assessed by children (i.e., Total, &ldquo, Heart Burn Reflux&rdquo, &ldquo, Nausea and Vomiting&rdquo, and &ldquo, Gas and Bloating&rdquo, ). Several QoL scores were correlated with gastrointestinal scores. The FC level was weakly associated with clinical parameters. Some gastrointestinal and QoL scores were related to disease severity associated parameters. In CF, the FC level, biomarker previously related to intestinal inflammation and dysbiosis, was associated with worse digestive symptoms and QoL scores.
Published: 2020

44. GPRS Sensor Node Battery Life Span Prediction Based on Received Signal Quality: Experimental Study

Author: Joseph Habiyaremye, Marco Zennaro, Chomora Mikeka, Emmanuel Masabo, Santhi Kumaran, and Kayalvizhi Jayavel
Subjects: WSN, GPRS sensor node, RSSI, GEKKO APM, LabVIEW, Information technology, T58.5-58.64
Abstract: Nowadays with the evolution of Internet of Things (IoT), building a network of sensors for measuring data from remote locations requires a good plan considering a lot of parameters including power consumption. A Lot of communication technologies such as WIFI, Bluetooth, Zigbee, Lora, Sigfox, and GSM/GPRS are being used based on the application and this application will have some requirements such as communication range, power consumption, and detail about data to be transmitted. In some places, especially the hilly area like Rwanda and where GSM connectivity is already covered, GSM/GPRS may be the best choice for IoT applications. Energy consumption is a big challenge in sensor nodes which are specially supplied by batteries as the lifetime of the node and network depends on the state of charge of the battery. In this paper, we are focusing on static sensor nodes communicating using the GPRS protocol. We acquired current consumption for the sensor node in different locations with their corresponding received signal quality and we tried to experimentally find a mathematical data-driven model for estimating the GSM/GPRS sensor node battery lifetime using the received signal strength indicator (RSSI). This research outcome will help to predict GPRS sensor node life, replacement intervals, and dynamic handover which will in turn provide uninterrupted data service. This model can be deployed in various remote WSN and IoT based applications like forests, volcano, etc. Our research has shown convincing results like when there is a reduction of −30 dBm in RSSI, the current consumption of the radio unit of the node will double.
Published: 2020
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45. Optimization of biologics to reduce treatment failure in inflammatory bowel diseases

Author: Anne Breton, Frédérick Barreau, Emmanuel Mas, Cyrielle Gilletta De Saint-Joseph, Aurélie Bourchany, Unité de Gastroentérologie, Hépatologie, Nutrition, Diabétologie et Maladies Héréditaires du Métabolisme, Hôpital des Enfants, CHU de Toulouse, Département de Gastroentérologie, Hôpital Rangueil, CHU de Toulouse, Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), CCSD, Accord Elsevier, Service Diabétologie [CHU Toulouse], Pôle Cardiovasculaire et Métabolique [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Service de Gastroentérologie et pancréatologie [CHU Toulouse], and Pôle Maladies de l'appareil digestif [CHU Toulouse]
Subjects: 0301 basic medicine, Drug, medicine.medical_specialty, media_common.quotation_subject, Drug Resistance, Drug resistance, Antibodies, Monoclonal, Humanized, 030226 pharmacology & pharmacy, Inflammatory bowel disease, law.invention, Efficacy, 03 medical and health sciences, 0302 clinical medicine, Gastrointestinal Agents, Randomized controlled trial, law, Drug Discovery, medicine, Humans, Treatment Failure, Intensive care medicine, media_common, Pharmacology, Biological Products, [SDV.MHEP] Life Sciences [q-bio]/Human health and pathology, medicine.diagnostic_test, Tumor Necrosis Factor-alpha, business.industry, Inflammatory Bowel Diseases, medicine.disease, 3. Good health, 030104 developmental biology, Therapeutic drug monitoring, Monoclonal, Trough level, Ustekinumab, Drug Monitoring, business, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract: International audience; Moderate to severe inflammatory bowel disease patients can fail to respond to conventional therapy and/or to biologic treatment. In the era of TNFα antagonists and other non-anti-TNF biologic drugs, it is important to review the literature on biologic treatment failure, which could be defined as primary non-response, secondary loss of response and intolerance. Therapeutic drug monitoring (TDM), that is, drug trough level and antidrug antibodies, should enable to determine the mechanisms of treatment failure and to optimize drug efficacy. There is a consensus on reactive TDM at the time of loss of response. Proactive TDM could be of interest during induction and/or maintenance, but randomized controlled trials are required.
Published: 2020

46. Diagnostic de la dénutrition de l’enfant : recommandation de bonne pratique HAS-FFN 2019

Author: Jacques Delarue, Francisca Joly, Emmanuel Mas, Eric Fontaine, Béatrice Dubern, Marie-Paule Vasson, Alexandre Pitard, and Jean-Claude Desport
Subjects: 0303 health sciences, 03 medical and health sciences, 0302 clinical medicine, Nutrition and Dietetics, 030309 nutrition & dietetics, 030212 general & internal medicine
Abstract: La denutrition chez l’enfant se traduit par un retard de croissance et une perte de poids involontaire. Elle compromet le developpement psychomoteur du jeune enfant. Elle majore le risque d’infection et augmente le risque de complications medicales et chirurgicales. L’objectif de cette recommandation de bonne pratique est de definir la denutrition chez l’enfant (< 18 ans) et de proposer des criteres afin d’ameliorer son diagnostic a l’aide d’outils adaptes.
Published: 2020

47. Safety of Thiopurine Use in Paediatric Gastrointestinal Disease

Author: Jernej Dolinsek, Christos Tzivinikos, Rut Ann Thomassen, Erasmo Miele, Carmen Ribes-Koninckx, Nikhil Thapar, Rok Orel, Corina Pienar, Ilse Broekaert, Mike Thomson, Emmanuel Mas, Marc A. Benninga, 'Federico II' University of Naples Medical School, University of Amsterdam [Amsterdam] (UvA), University Hospital of Cologne [Cologne], University medical centre Maribor (UKC Maribor), Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), University Medical Centre Ljubljana [Ljubljana, Slovenia] (UMCL), Victor Babeş University of Medicine and Pharmacy (UMFT), Hospital Universitari i Politècnic La Fe, Oslo University Hospital [Oslo], NHS Foundation Trust [London], The Royal Marsden, Al Jalila Children's Specialty Hospital, University College of London [London] (UCL), Queensland Paediatric Infectious Diseases Laboratory [Australia], University of Queensland [Brisbane]-Children's Health Research Centre, Paediatric Gastroenterology, AGEM - Amsterdam Gastroenterology Endocrinology Metabolism, ARD - Amsterdam Reproduction and Development, Miele, E., Benninga, M. A., Broekaert, I., Dolinsek, J., Mas, E., Orel, R., Pienar, C., Ribes-Koninckx, C., Thomassen, R. A., Thomson, M., Tzivinikos, C., and Thapar, N.
Subjects: Infliximab therapy, medicine.medical_specialty, Autoimmune hepatitis, Inflammatory bowel disease, 03 medical and health sciences, 0302 clinical medicine, Crohn Disease, Gastrointestinal Agents, [SDV.SP.MED]Life Sciences [q-bio]/Pharmaceutical sciences/Medication, Recurrence, inflammatory bowel disease, 030225 pediatrics, Steroid sparing, medicine, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Humans, Immunologic Factors, 6-mercaptopurine, Adverse effect, Intensive care medicine, Child, azathioprine, Thiopurine methyltransferase, biology, autoimmune hepatitis, Crohn disease, business.industry, Mercaptopurine, thiopurines, Gastroenterology, medicine.disease, Inflammatory Bowel Diseases, 3. Good health, Gastrointestinal disease, Pediatrics, Perinatology and Child Health, biology.protein, adverse effects, 030211 gastroenterology & hepatology, business, Immunosuppressive Agents, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract: International audience; Thiopurines, alone or in combination with other agents, have a pivotal role in the treatment of specific gastrointestinal and hepatological disorders. In inflammatory bowel disease and autoimmune hepatitis thiopurines have proven their value as steroid sparing agents for the maintenance of remission and may be considered for preventing postoperative Crohn disease recurrence where there is moderate risk of this occurring. Their use with infliximab therapy reduces antibody formation and increases biologic drug levels. The routine clinical use of thiopurines has, however, been questioned due to a number of potential adverse effects. The aim of this article is to provide information regarding the use, and in particular, safety of these agents in clinical practice in the light of such potentially severe, albeit rare, effects.
Published: 2020

48. Diagnostic de la dénutrition de l’adulte de moins de 70 ans : recommandation de bonne pratique HAS-FFN 2019

Author: Emmanuel Mas, Francisca Joly, Jean-Claude Desport, Marie-Paule Vasson, Béatrice Dubern, Jacques Delarue, Eric Fontaine, Alexandre Pitard, Centre Hospitalier Régional Universitaire de Brest (CHRU Brest), Federation Francaise de Nutrition (FFN), Neuroépidémiologie Tropicale (NET), CHU Limoges-Institut d'Epidémiologie Neurologique et de Neurologie Tropicale-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Génomique, Environnement, Immunité, Santé, Thérapeutique (GEIST), Université de Limoges (UNILIM)-Université de Limoges (UNILIM), CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Hôpital Beaujon [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Haute Autorité de Santé [Saint-Denis La Plaine] (HAS), Unité de Nutrition Humaine (UNH), Université Clermont Auvergne [2017-2020] (UCA [2017-2020])-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Laboratory of Fundamental and Applied Bioenergetics = Laboratoire de bioénergétique fondamentale et appliquée (LBFA), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Grenoble Alpes (UGA), Institut Génomique, Environnement, Immunité, Santé, Thérapeutique (GEIST), Université de Limoges (UNILIM)-Université de Limoges (UNILIM)-CHU Limoges-Institut d'Epidémiologie Neurologique et de Neurologie Tropicale-Institut National de la Santé et de la Recherche Médicale (INSERM), and CHU Toulouse [Toulouse]
Subjects: 0303 health sciences, 03 medical and health sciences, Dénutrition, 0302 clinical medicine, Nutrition and Dietetics, 030309 nutrition & dietetics, [SDV]Life Sciences [q-bio], 030209 endocrinology & metabolism, Adulte, Aide au diagnostic médical
Abstract: International audience; La dénutrition est un problème majeur de santé publique qui concerne plus de 2 millions de personnes en France. Elle se traduit par une perte de poids involontaire. Elle majore le risque d’infection et réduit la force musculaire et la mobilité. Elle augmente le risque de complications médicales et chirurgicales. L’objectif de cette recommandation de bonne pratique est de définir la dénutrition chez l’adulte (
Published: 2020

49. Characterisation of wet and dry summer seasons and their spatial modes of variability over Zimbabwe

Author: Moven Manjowe, Terence Mushore, Electidom Matandirotya, and Emmanuel Mashonjowa
Subjects: long-term rainfall, Inter-Tropical Convergence Zone, ITCZ, empirical orthogonal function analysis, Science, Science (General), Q1-390, Social Sciences, Social sciences (General), H1-99
Abstract: In the face of a changing climate, knowledge on the characteristics of wet and dry summers and their modes of variability becomes of great importance to Zimbabwe so that proper policies and planning can be implemented to maximise the positive impacts of climate change while minimising its negative impacts. We used time series of rainfall anomaly index, empirical orthogonal function analysis and composite analysis to determine the temporal and spatial characteristics of summer rainfall in Zimbabwe between 1980 and 2013. Results indicate that there is a possible shortening in the length of the summer season, running from November to March. There were 14 anomalous summer seasons (7 dry and 7 wet) during the 33 summer seasons in the study period. Three dominant modes of variability were identified for Zimbabwean summer rainfall for the period under study: (1) an east–west gradient accounting for about 63% of the total variability, (2) a northeast–southwest oscillation accounting for about 18% of the variability and (3) a northwest–southeast oscillation accounting for about 6% of the variability. From the results, the high frequency of occurrence of above or below normal summer seasons is a major concern due to their far-reaching effects on Zimbabwe’s economic and social well-being. Circulation mechanisms influencing such characteristics should be studied and possible predictors identified for the development of short-term climate prediction models. If the forecasting of extreme events is reliable and done with sufficient lead time, the information can be utilised to mitigate the adverse effects while maximising their positive impacts. The findings of this study are important for informing economic activities in sectors such as farming, energy, mining, and tourism, which rely heavily on summer rainfall. However further studies must be carried out to identify the atmospheric and oceanic circulations which lead to such rainfall variability. Such information is critical in the development of reliable rainfall forecasts and early warning systems. Significance: • Rainfall affects a variety of socio-economic activities, especially in Zimbabwe where rain-fed agriculture is a major contributor to the gross domestic product. Therefore, understanding spatial and temporal variations in rainfall enhances the formulation of strategies and decision-making to ensure sustainable development in the country.
Published: 2020
Full Text: View/download PDF

50. Characterization of Human Colon Organoids From Inflammatory Bowel Disease Patients

Author: Emilie d’Aldebert, Muriel Quaranta, Morgane Sébert, Delphine Bonnet, Sylvain Kirzin, Guillaume Portier, Jean-Pierre Duffas, Sophie Chabot, Philippe Lluel, Sophie Allart, Audrey Ferrand, Laurent Alric, Claire Racaud-Sultan, Emmanuel Mas, Céline Deraison, Nathalie Vergnolle, Institut de Recherche en Santé Digestive (IRSD ), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), MARine Biodiversity Exploitation and Conservation (UMR MARBEC), Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Chirurgie Générale et Digestive [Purpan], CHU Toulouse [Toulouse]-Hôpital Purpan [Toulouse], CHU Toulouse [Toulouse], Chirurgie Générale et Digestive [Rangueil], CHU Toulouse [Toulouse]-Hôpital de Rangueil, Institut de pharmacologie et de biologie structurale (IPBS), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), UROsphere S.A.S., Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Faculte des Sciences Pharmaceutiques, Centre de Physiopathologie Toulouse Purpan ex IFR 30 et IFR 150 (CPTP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Pharmacochimie et Biologie pour le Développement (PHARMA-DEV), Institut de Recherche pour le Développement (IRD)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées, Unité de Gastroentérologie, Hépatologie, Nutrition, Diabétologie et Maladies Héréditaires du Métabolisme, Centre Hospitalier Universitaire de Toulouse, Department of Physiology and Pharmacology, University of Calgary, University of Calgary, Region Provence-Alpes-Cote d'Azur, Region Occitanie, European Research Council (ERC) : ERC-2012-StG20111109, FUI (Fond Unique Interministeriel) Program ORGANOCAN, 'Banque Publique d'Investissement' of France, Toulouse-Metropole, Conseil Departemental du Tarn, 'Delegation Regionale a la Recherche Clinique des Hopitaux de Toulouse,' the MICILIP project, ANR: ANR,ANR (R12177BB to NV), Centre de Physiopathologie Toulouse Purpan (CPTP), and ANR (R12177BB to NV) ANR
Subjects: Crohn’s disease, organoid, IBD, Cell Biology, inflammatory bowel diseases, digestive system diseases, intestine Abbreviations: CD, Cell and Developmental Biology, Crohn's disease, UC, lcsh:Biology (General), inflammation, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], intestine, lcsh:QH301-705.5, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology, Original Research, Developmental Biology, ulcerative colitis
Abstract: International audience; Inflammatory Bowel Diseases (IBD) are chronic inflammatory disorders, where epithelial defects drive, at least in part, some of the pathology. We reconstituted human intestinal epithelial organ, by using three-dimension culture of human colon organoids. Our aim was to characterize morphological and functional phenotypes of control (non-IBD) organoids, compared to inflamed organoids from IBD patients. The results generated describe the epithelial defects associated with IBD in primary organoid cultures, and evaluate the use of this model for pharmacological testing of anti-inflammatory approaches. Human colonic tissues were obtained from either surgical resections or biopsies, all harvested in non-inflammatory zones. Crypts were isolated from controls (non-IBD) and IBD patients and were cultured up to 12-days. Morphological (size, budding formation, polarization, luminal content), cell composition (proliferation, differentiation, immaturity markers expression), and functional (chemokine and tight junction protein expression) parameters were measured by immunohistochemistry, RT-qPCR or western-blot. The effects of inflammatory cocktail or anti-inflammatory treatments were studied in controls and IBD organoid cultures respectively. Organoid cultures from controls or IBD patients had the same cell composition after 10 to 12-days of culture, but IBD organoid cultures showed an inflammatory phenotype with decreased size and budding capacity, increased cell death, luminal debris, and inverted polarization. Tight junction proteins were also significantly decreased in IBD organoid cultures. Inflammatory cytokine cocktail reproduced this inflammatory phenotype in non-IBD organoids. Clinically used treatments (5-ASA, glucocorticoids, anti-TNF) reduced some, but not all parameters. Inflammatory phenotype is associated with IBD epithelium, and can be studied in organoid cultures. This model constitutes a reliable human pre-clinical model to investigate new strategies targeting epithelial repair.
Published: 2020

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