18 results on '"Abreu C"'
Search Results
2. POS0800 BIOLOGIC DISEASE-MODIFYING ANTIRHEUMATIC DRUGS SURVIVAL IN LATE-ONSET AXIAL SPONDYLOARTHRITIS – DATA FROM A MULTICENTRE NATIONWIDE STUDY
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Silva, S. P., primary, Pinto Oliveira, C., additional, Monteiro, B., additional, Diz Lopes, M., additional, Gomes, C., additional, Bernardes, M., additional, Pereira Da Costa, R., additional, Ochôa Matos, C., additional, Lucas Rocha, M., additional, Abreu, C., additional, Fraga, V., additional, Santos, M. E., additional, Gago, L., additional, Mendes, B., additional, Dantas Soares, C., additional, Valente, P., additional, Silva, L., additional, Eugénio, G., additional, and Barcelos, A., additional
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- 2024
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3. OP0322 UNDERSTANDING AXIAL PSORIATIC ARTHRITIS IN CLINICAL PRACTICE - DATA FROM REUMA.PT
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Abreu, C., primary, Fraga, V., additional, Diz Lopes, M., additional, Azevedo, S. F., additional, Vilafanha, C., additional, Rovisco, J., additional, Almeida, I., additional, Pontes-Ferreira, M., additional, Parente, H., additional, Cunha, A., additional, Dantas Soares, C., additional, Medeiros, D., additional, Cortesao, C., additional, Augusto, D., additional, Sebastiao, M., additional, Silva, L., additional, Meirinhos, T., additional, Silva-Dinis, J., additional, Araújo, F., additional, Tavares-Costa, J., additional, Vilar, A., additional, Castro, A., additional, and Santos, M. J., additional
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- 2024
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4. The workup process of vaccination in IBD patients needs a change-Insights from a multinational survey.
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Abreu C, Monteiro C, Santiago M, Sarmento A, and Magro F
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- Humans, Male, Female, Adult, Middle Aged, Surveys and Questionnaires, Gastroenterologists, Vaccination Hesitancy statistics & numerical data, Vaccination Hesitancy psychology, Immunosuppressive Agents therapeutic use, Europe, Aged, Attitude of Health Personnel, Practice Patterns, Physicians' statistics & numerical data, Inflammatory Bowel Diseases, Vaccination statistics & numerical data
- Abstract
Background: Immunosuppressive medications play a crucial role in inflammatory bowel disease (IBD) but increase susceptibility to infections, underlining the importance of vaccination. Nevertheless, vaccination rates are often low., Aims: This study assessed the perspective of gastroenterologists (GEs) on vaccination of IBD patients., Methods: An online survey was applied to GEs worldwide, from 10/2022 to 06/2023., Results: The 271 respondents considered vaccination important, however, 26 % never/rarely prescribed vaccines and 60 % admitted having limited or no confidence on managing their side effects - GEs practicing in Europe, male and older more often felt capable of this. Female and younger participants were more aware of the need to alter the current workflow in vaccination. Some respondents proposed to delegate the responsibility of vaccination to general practitioners, nurses in gastroenterology units, or infectious diseases specialists, but 19 % considered that no change was needed., Conclusion: Overall, the importance of addressing vaccine hesitancy, providing flyers to patients, and implementing vaccine guidelines were consensually recognized. The data indicated that the vaccination process needs reformulation and that different opinions/attitudes toward vaccines are influenced by demographic factors, workplace characteristics, affiliation, and teaching activities. Delegating the responsibility of vaccination and adopting a multidisciplinary approach seem like effective strategies to increase vaccination coverage among IBD patients., Competing Interests: Conflicts of interest C.A. served as a speaker and received honoraria from Pfizer, Glaxo Smith Klein and Astra-Zeneca. F.M. served as a speaker and received honoraria from Merck Sharp & Dohme, Abbvie, Vifor, Falk, Laboratórios Vitória, Ferring, Hospira, and Biogen. For the remaining authors, there are no conflicts of interest., (Copyright © 2024. Published by Elsevier Ltd.)
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- 2024
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5. Fertilized soils enhance the efficiency of phytoremediation by tropical grasses in cadmium-contaminated soils.
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Prochnow Raposo JT, Silva EB, Bezerra IRS, Costa Silva W, Fernandes Alves FA, Dos Santos LL, and Menezes de Abreu C
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The effectiveness of phytoremediation in Cd-contaminated soils is crucial for enhancing nutrient availability and plant tolerance to Cd. We simulated soil contamination with varying textures and fertilization conditions. Two experiments were conducted: one without liming and fertilization and another with soil fertilization for grasses. The soil types used were Oxisol and Entisol, and the grasses tested were Megathyrsus maximus and Urochloa brizantha at three Cd levels: 0 mg kg
-1 (Control), 2 mg kg-1 (Low), and 12 mg kg-1 (High). Soil amendments and fertilization did not significantly change Cd availability. Soil chemical attributes were unaffected by Cd contamination but were influenced by fertilization, which kept the pH below optimal levels. Cd availability was higher in more contaminated soils, with Entisol showing greater concentrations than Oxisol. Dry matter production of the grasses decreased with higher contamination, with U. brizantha being more productive than M. maximus in fertilized soils. Cd accumulation was higher in highly contaminated soils, particularly for U. brizantha . The bioconcentration factor was higher in Entisol, while the translocation factor exceeded 1.0 only for M. maximus in low-contamination Oxisol. Fertilization can mitigate Cd contamination effects, with U. brizantha showing greater tolerance and accumulation capacity in fertilized soils.- Published
- 2024
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6. Effect of Cyclin-Dependent Kinase 4/6 Inhibitors on Circulating Cells in Patients with Metastatic Breast Cancer.
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Lobo-Martins S, Corredeira P, Cavaco A, Rodrigues C, Piairo P, Lopes C, Fraga J, Silva M, Alves P, Wachholz Szeneszi L, Barradas A, Castro Duran C, Antunes M, Nogueira-Costa G, Sousa R, Pinto C, Ribeiro L, Abreu C, Torres S, Quintela A, Mata G, Megías D, Ribot J, Serre K, Casimiro S, Silva-Santos B, Diéguez L, and Costa L
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- Humans, Female, Middle Aged, Aged, Neoplasm Metastasis, Adult, Prospective Studies, Breast Neoplasms drug therapy, Breast Neoplasms pathology, Breast Neoplasms immunology, Breast Neoplasms blood, Cyclin-Dependent Kinase 4 antagonists & inhibitors, Cyclin-Dependent Kinase 4 metabolism, Cyclin-Dependent Kinase 6 antagonists & inhibitors, Cyclin-Dependent Kinase 6 metabolism, Neoplastic Cells, Circulating pathology, Neoplastic Cells, Circulating drug effects, Neoplastic Cells, Circulating metabolism, Protein Kinase Inhibitors therapeutic use, Protein Kinase Inhibitors pharmacology
- Abstract
The combination of cyclin-dependent kinase 4/6 inhibitors (CDK4/6i) with endocrine therapy (ET) is the standard-of-care for estrogen receptor (ER)-positive, HER2-negative (ER+/HER2- advanced/metastatic breast cancer (mBC). However, the impact of CDK4/6i on circulating immune cells and circulating tumor cells (CTCs) in patients receiving CDK4/6i and ET (CDK4/6i+ET) remains poorly understood. This was a prospective cohort study including 44 patients with ER+/HER2- mBC treated with CDK4/6i+ET in either first or second line. Peripheral blood samples were collected before (baseline) and 3 months (t2) after therapy. Immune cell's subsets were quantified by flow cytometry, and microfluidic-captured CTCs were counted and classified according to the expression of cytokeratin and/or vimentin. Patients were categorized according to response as responders (progression-free survival [PFS] ≥ 6.0 months; 79.1%) and non-responders (PFS < 6.0 months; 20.9%). CDK4/6i+ET resulted in significant changes in the hematological parameters, including decreased hemoglobin levels and increased mean corpuscular volume, as well as reductions in neutrophil, eosinophil, and basophil counts. Specific immune cell subsets, such as early-stage myeloid-derived suppressor cells, central memory CD4+ T cells, and Vδ2+ T cells expressing NKG2D, decreased 3 months after CDK4/6i+ET. Additionally, correlations between the presence of CTCs and immune cell populations were observed, highlighting the interplay between immune dysfunction and tumor dissemination. This study provides insights into the immunomodulatory effects of CDK4/6i+ET, underscoring the importance of considering immune dynamics in the management of ER+/HER2- mBC.
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- 2024
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7. Revolutionizing the management of diabetes: The promise of connected insulin pens and caps.
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Gómez-Peralta F and Abreu C
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- Humans, Hypoglycemic Agents administration & dosage, Hypoglycemic Agents therapeutic use, Diabetes Mellitus drug therapy, Diabetes Mellitus therapy, Insulin Infusion Systems, Diabetes Mellitus, Type 1 drug therapy, Diabetes Mellitus, Type 1 blood, Equipment Design, Insulin administration & dosage, Insulin therapeutic use
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- 2024
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8. Comparative study of weekly and three-weekly neoadjuvant carboplatin in triple-negative breast cancer: retrospective analysis in real-world settings.
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Martin-Quesada AI, Llabres-Valentí E, Montesdeoca-Godoy CM, Martín-Abreu C, Alemán-Sánchez C, Rodríguez-Pérez N, Herrero-Márquez A, Cruz-Jurado J, Hernández-Sosa M, Marrero-García M, DelPino-Hernández CV, Hernández-Sarmiento SJ, Rodríguez-Capote A, Pérez-Méndez L, and Núñez-Hernández I
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- Humans, Retrospective Studies, Female, Middle Aged, Adult, Aged, Antineoplastic Agents therapeutic use, Antineoplastic Agents administration & dosage, Antineoplastic Agents adverse effects, Carboplatin administration & dosage, Carboplatin adverse effects, Neoadjuvant Therapy, Triple Negative Breast Neoplasms drug therapy, Triple Negative Breast Neoplasms pathology, Drug Administration Schedule
- Abstract
Purpose: Tri-weekly carboplatin is an established neoadjuvant treatment for triple-negative breast cancer, enhancing pathological complete response (pCR) and overall survival. This study explores if weekly carboplatin provides lower toxicity and comparable pCR rates., Methods/patients: A retrospective multicenter study (January 2021 to March 2023) compares outcomes of weekly and tri-weekly carboplatin., Results: Among 104 participants, 60% received weekly and 40% tri-weekly treatments. Weekly administration had fewer discontinuations (56.5 vs. 70.7%, p = 0.154). Both schedules exhibited similar overall toxicity (p = 0.087), with slightly higher grade 3-4 toxicity in the tri-weekly group (56.1 vs. 48.4%, p = 0.126). Hematological toxicity was comparable, but the weekly group experienced more diarrhea (p = 0.432) and asthenia (p = 0.012). Weekly treatment correlated with more frequent breast-conserving surgeries (p = 0.004). pCR rates were 50% with weekly and 61% with tri-weekly regimens (p = 0.186)., Conclusions: Weekly carboplatin exhibited comparable toxicity, a trend toward fewer interruptions, and similar pCR rates. Prospective studies are essential for validating these findings., (© 2024. The Author(s), under exclusive licence to Federación de Sociedades Españolas de Oncología (FESEO).)
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- 2024
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9. Nocturnal Glucose Profile According to Timing of Dinner Rapid Insulin and Basal and Rapid Insulin Type: An Insulclock ® Connected Insulin Cap-Based Real-World Study.
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Gómez-Peralta F, Valledor X, Abreu C, Fernández-Rubio E, Cotovad L, Pujante P, Azriel S, Pérez-González J, Vallejo A, Ruiz-Valdepeñas L, and Corcoy R
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Background: A study to assess the glucose levels of people with type 1 diabetes (T1D) overnight, based on the insulin type and timing., Methods: A real-world, retrospective study of T1D, using multiple daily insulin injections. Continuous glucose monitoring and insulin injection data were collected for ten hours after dinner using the Insulclock
® connected cap. Meal events were identified using the ROC detection methodology. The timing of the rapid insulin, second injections, and the type of insulin analogs used, were evaluated., Results: The nocturnal profiles (n = 775, 49 subjects) were analyzed. A higher glucose AUC of over 180 mg/dL was observed in subjects with delayed injections (number; %; mg/dL × h): -45-15 min (n = 136; 17.5%, 175.9 ± 271.0); -15-0 min (n = 231; 29.8%, 164.0 ± 2 37.1); 0 + 45 min (n = 408; 52.6%, 203.6 ± 260.9), ( p = 0.049). The use of ultrarapid insulin (FiAsp® ) (URI) vs. rapid insulin (RI) analogs was associated with less hypoglycemia events (7.1 vs. 13.6%; p = 0.005) and TBR70 (1.7 ± 6.9 vs. 4.6 ± 13.9%; p = 0.003). Users of glargine U300 vs. degludec had a higher TIR (70.7 vs. 58.5%) (adjusted R-squared: 0.22, p < 0.001). The use of a correction injection (n = 144, 18.6%) was associated with a higher number of hypoglycemia events (18.1 vs. 9.5%; p = 0.003), TBR70 (5.5 ± 14.2 vs. 3.0 ± 11.1%; p = 0.003), a glucose AUC of over 180 mg/dL (226.1 ± 257.8 vs. 178.0 ± 255.3 mg/dL × h; p = 0.001), and a lower TIR (56.0 ± 27.4 vs. 62.7 ± 29.6 mg/dL × h; p = 0.004)., Conclusion: The dinner rapid insulin timing, insulin type, and the use of correction injections affect the nocturnal glucose profile in T1D.- Published
- 2024
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10. Assessing Carbohydrate Counting Accuracy: Current Limitations and Future Directions.
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Amorim D, Miranda F, Santos A, Graça L, Rodrigues J, Rocha M, Pereira MA, Sousa C, Felgueiras P, and Abreu C
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- Humans, Patient Education as Topic, Glycemic Control methods, Insulin, Hypoglycemic Agents administration & dosage, Quality of Life, Meals, Dietary Carbohydrates administration & dosage, Diabetes Mellitus, Type 1 blood, Diabetes Mellitus, Type 1 drug therapy, Blood Glucose
- Abstract
Diabetes mellitus is a prevalent chronic autoimmune disease with a high impact on global health, affecting millions of adults and resulting in significant morbidity and mortality. Achieving optimal blood glucose levels is crucial for diabetes management to prevent acute and long-term complications. Carbohydrate counting (CC) is widely used by patients with type 1 diabetes to adjust prandial insulin bolus doses based on estimated carbohydrate content, contributing to better glycemic control and improved quality of life. However, accurately estimating the carbohydrate content of meals remains challenging for patients, leading to errors in bolus insulin dosing. This review explores the current limitations and challenges in CC accuracy and emphasizes the importance of personalized educational programs to enhance patients' abilities in carbohydrate estimation. Existing tools for assessing patient learning outcomes in CC are discussed, highlighting the need for individualized approaches tailored to each patient's needs. A comprehensive review of the relevant literature was conducted to identify educational programs and assessment tools dedicated to training diabetes patients on carbohydrate counting. The research aims to provide insights into the benefits and limitations of existing tools and identifies future research directions to advance personalized CC training approaches. By adopting a personalized approach to CC education and assessment, healthcare professionals can empower patients to achieve better glycemic control and improve diabetes management. Moreover, this review identifies potential avenues for future research, paving the way for advancements in personalized CC training and assessment approaches and further enhancing diabetes management strategies.
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- 2024
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11. Anti-SSA Ro52 and anti-Ro60 autoantibodies: association with clinical phenotypes.
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Mazeda C, Oliveira N, Abreu C, Fraga V, Maduro I, Saraiva A, Inês L, Ferreira C, Correia AM, Nicolau R, Farinha F, Villanueva I, Jesus D, Abreu P, Neto A, Silva Dinis J, and Barcelos A
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- Humans, Female, Male, Middle Aged, Cross-Sectional Studies, Aged, Autoantibodies blood, Adult, Connective Tissue Diseases immunology, Connective Tissue Diseases diagnosis, Connective Tissue Diseases blood, Biomarkers blood, Lupus Erythematosus, Systemic immunology, Lupus Erythematosus, Systemic diagnosis, Lupus Erythematosus, Systemic blood, RNA, Small Cytoplasmic immunology, Autoantigens, Phenotype, Ribonucleoproteins immunology, Antibodies, Antinuclear blood, Antibodies, Antinuclear immunology
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Objectives: Anti-SSA autoantibodies can be differentiated according to their antigenic target proteins as anti-Ro60 (60 kDa) or anti-Ro52 (52 kDa). Anti-SSA(Ro60) antibodies are clearly associated with connective tissue diseases (CTD), but the clinical significance of anti-SSA(Ro52) antibodies remains unclear. The aim of the present study was to analyse the disease phenotype of patients with anti-Ro52 and/or anti-Ro60 antibodies., Methods: A multicentre, cross-sectional study was carried out of positive anti-Ro52 and/or Ro60 antibodies patients followed at 10 Rheumatology centres from January 2018 until December 2021. Patients were categorised into 3 groups: group 1 (Ro52+/Ro60-); group 2 (Ro52-/Ro60+); group 3 (Ro52+/Ro60+). Antinuclear antibodies were evaluated by indirect immunofluorescence assay and further screened for anti-extractable nuclear antigen (ENA) antibodies. Demographicsand clinical data were compared between the 3 groups, by patients' medical chart review. Univariate analysis was performed and subsequently logistic regression was used to identify intergroup differences and calculate the odds ratio with a 95% confidence interval (95% CI)., Results: We included 776 patients [female: 83.1%; median age: 59 (46-71) years]. Groups 1, 2, and 3 comprised 31.1%, 32.6%, and 36.3% of the patients, respectively. Anti-Ro52 antibody alone was more frequently associated with non-rheumatic diseases, older age, and men (p<0.05). Among patients with CTD, the diagnosis of systemic lupus erythematosus is 3 and 2 times more prevalent in groups 2 and 3, respectively, than in group 1 [OR 2.8 (95% CI 1.60, 4.97), p<0.001; OR 2.2 (95% CI 1.28, 3.86), p<0.01]. In group 2, the diagnosis of undifferentiated CTD is more frequent than in the other groups. Group 1 was more frequently associated with inflammatory myositis than group 2 [OR 0.09 (95% CI 0.01, 0.33), p<0.001] or group 3 [OR 0.08 (95% CI 0.01, 0.29), p<0.001]. Group 1 was also more frequently associated with arthritis (p<0.01), interstitial lung disease (p<0.01), and myositis (p<0.01)., Conclusions: Anti-Ro52+ antibody alone is frequently found in patients with non-rheumatic diseases. In addition, anti-Ro52+ antibody is also prevalent in patients with CTD and associated with clinical phenotypes that are different from anti-Ro60+ antibody.
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- 2024
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12. Radiological and Not Clinical Variables Guide the Surgical Plan in Patients with Glioblastoma.
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Martín-Abreu C, Fariña-Jerónimo H, and Plata-Bello J
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- Humans, Female, Male, Middle Aged, Retrospective Studies, Aged, Magnetic Resonance Imaging methods, Adult, Biopsy methods, Glioblastoma surgery, Brain Neoplasms surgery
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Background and Purpose : The extent of resection is the most important prognostic factor in patients with glioblastoma. However, the factors influencing the decision to perform a biopsy instead of maximal resection have not been clearly established. The aim of this study was to analyze the factors associated with the intention to achieve maximal resection in glioblastoma patients. Methods : A retrospective single-center case-series analysis of patients with a new diagnosis of glioblastoma was performed. Patients were distributed into two groups: the biopsy (B) and complete resection (CR) groups. To identify factors associated with the decision to perform a B or CR, uni- and multivariate binary logistic regression analyses were performed. Cox regression analysis was also performed in the B and CR groups. Results : Ninety-nine patients with a new diagnosis of glioblastoma were included. Sixty-eight patients (68.7%) were treated with CR. Ring-enhancement and edema volume on presurgical magnetic resonance imaging were both associated with CR. Corpus callosum involvement and proximity to the internal capsule were identified as factors associated with the decision to perform a biopsy. In the multivariate analysis, edema volume (OR = 1.031; p = 0.002) and proximity to the internal capsule (OR = 0.104; p = 0.001) maintained significance and were considered independent factors. In the survival analysis, only corpus callosum involvement (HR = 2.055; p = 0.035) and MGMT status (HR = 0.484; p = 0.027) presented statistical significance in the CR group. Conclusions : The volume of edema and proximity to the internal capsule were identified as independent factors associated with the surgical decision. The radiological evaluation and not the clinical situation of the patient influences the decision to perform a biopsy or CR.
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- 2024
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13. The British nuclear medicine research strategy - the framework.
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Dizdarevic S, Mccready VR, Blower PJ, Vöö SA, Wadsley J, McGowan DR, Roldão Pereira L, Eccles A, Prakash VS, Abreu C, Jessop M, and Weston CJ
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- Humans, Research Design, Radionuclide Imaging, Radioisotopes, Nuclear Medicine
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The British Nuclear Medicine Society (BNMS) has developed a Research Strategy framework led by the Research Champions of the BNMS and overseen by the BNMS Research and Innovation Committee. The objectives of the Research Strategy are to improve translation of cutting-edge nuclear medicine research from bench to bedside, the implementation of state-of-the-art multimodality technologies and to enhance multicentre radionuclide research in the UK. It strives to involve patients and the public in radionuclide research and to contribute to and work with the multi-professional national and international organisations involved in research with an ultimate aim to improve nuclear medicine services, and patients' outcomes and care., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2024
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14. Expression and functional characterization of chimeric recombinant bovine follicle-stimulating hormone produced in Leishmania tarentolae.
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Abreu C, Grunberg K, Bonilla M, Crispo M, Pantano S, Jaeschke J, Comini MA, and Bollati-Fogolín M
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- Female, Animals, Horses, Biological Assay, Bioreactors, Cell Line, Follicle Stimulating Hormone, Mammals, Leishmania genetics
- Abstract
Assisted reproductive techniques are routinely used in livestock species to increase and enhance productivity. Ovarian hyperstimulation is a process that currently relies on administering pituitary-derived follicle-stimulating hormone (FSH) or equine chorionic gonadotropin in combination with other hormones to promote the maturation of multiple follicles and thereby achieve superovulation. The use of partially purified preparations of FSH extracted from natural sources is associated with suboptimal and variable results. Recombinant FSH (rFSH) has been produced in a variety of heterologous organisms. However, attaining a bioactive rFSH of high quality and at low cost for use in livestock remains challenging. Here we report the production and characterization of a single chain bovine rFSH consisting of the β- and α-subunit fused by a polypeptide linker (scbFSH) using Leishmania tarentolae as heterologous expression system. This unicellular eukaryote is non-pathogenic to mammals, can be grown in bioreactors using simple and inexpensive semisynthetic media at 26°C and does not require CO
2 or bovine serum supplementation. Stable cell lines expressing scbFSH in an inducible fashion were generated and characterized for their productivity. Different culture conditions and purification procedures were evaluated, and the recombinant product was biochemically and biologically characterized, including bioassays in an animal model. The results demonstrate that L. tarentolae is a suitable host for producing a homogeneous, glycosylated and biologically active form of scbFSH with a reasonable yield., (© 2024 The Authors. Microbial Biotechnology published by John Wiley & Sons Ltd.)- Published
- 2024
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15. The hope wheel: a model to enable hope-based pedagogy in Climate Change Education.
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Finnegan W and d'Abreu C
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In response to concerns about climate anxiety and distress, researchers and practitioners in both education and psychology have been investigating the importance of engaging climate hope in Climate Change Education (CCE). Synthesizing recent multidisciplinary research, alongside insights from the development of educational programs, this article proposes a new theoretical model for pedagogies of hope in CCE. The Hope Wheel presents three foundational elements: handrails for educators to hold on to while constructively engaging with climate change (honesty, awareness, spaceholding, action), guardrails for educators to be sensitive to when implementing the handrails (climate anxiety, mis-/disinformation, false hope), and lenses to encourage educators to explore connections between complex societal and planetary challenges (complexity, justice, perspectives, creativity, and empathy). This working model aims to support educators by distilling current learnings from the literature into a visual guide. It depicts essential elements to include, as well as avoid, in order to engage honest, hope-oriented CCE for transformative learning in the face of the climate crisis., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Finnegan and d’Abreu.)
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- 2024
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16. Smell loss associated with SARS-CoV-2 is not clinically different from other viruses: a multicenter cohort study.
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Miyake MM, Valera FCP, Martins RB, Compagnoni IM, Fantucci MZ, Murashima AAB, da Silva LECM, de Lima TM, de Souza MVO, Melo SR, Dolci RLL, Floriano CG, de Campos CAC, Nakanishi M, Freire GSM, Valente AL, Fornazieri MA, da Silva JLB, Anzolin LK, Issa MJA, Souza TV, Lima BA, SantAnna GD, Abreu CB, Sakano E, Cassettari AJ, Avelino MAG, Goncalves MC, de Camargo LA, Romano FR, Alves RD, Roithmann R, Redeker NK, Filho LLB, Dassi CS, Meurer ATO, Garcia DM, Aragon DC, Tepedino MS, Succar ACS, Vianna PM, Dos Santos MCJ, Filho RHR, Kosugi EM, Villa JF, Gregorio LL, Piltcher OB, Meotti CD, Tamashiro E, Arruda E, and Anselmo Lima WT
- Subjects
- Humans, SARS-CoV-2, Anosmia complications, Anosmia epidemiology, Prospective Studies, Pandemics, Smell, COVID-19 complications, Coinfection complications, Coinfection epidemiology, Olfaction Disorders diagnosis, Olfaction Disorders epidemiology, Olfaction Disorders etiology
- Abstract
Background: Although the COVID-19 pandemic has increased the prevalence of cases with olfactory loss, other respiratory viruses can also cause this condition. We aimed to compare the prevalence of acute SARS-CoV-2 infection and other respiratory viruses in patients with sudden smell loss, and to assess the impact of SARS-CoV-2 viral load and co-infection on olfactory symptoms., Methods: Patients with sudden smell loss were recruited in a multicenter prospective cohort study in 15 hospitals in Brazil. Clinical questionnaire, Connecticut Chemosensory Clinical Research Center (CCCRC) olfactory test and nasopharyngeal swab to perform a PCR-based respiratory viral panel were collected at first visit (day 0) and 30 and 60 days after recruitment., Results: 188 of 213 patients presented positive test result for SARS-CoV-2, among which 65 were co-infected with other respiratory viruses (e.g., rhinovirus, enterovirus, and parainfluenza). 25 had negative test results for SARS-CoV-2. Patients in both SARSCoV-2 and non-SARS-CoV-2 groups had objective anosmia (less than 2 points according to the psychophysical olfactory CCCRC) at day 0, with no significant difference between them. Both groups had significant smell scores improvement after 30 and 60 days, with no difference between them. Co-infection with other respiratory viruses, and SARS-CoV-2 viral load did not impact olfactory scores., Conclusion: Patients with sudden smell loss associated with SARS-CoV-2 and other respiratory viruses had similar presentation, with most participants initiating with anosmia, and total or near total recovery after 60 days. SARS-CoV-2 viral load and co-infections with other respiratory viruses were not associated with poorer olfactory outcomes.
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- 2024
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17. DNA damage targeted therapy for advanced breast cancer.
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Patel V, Casimiro S, Abreu C, Barroso T, de Sousa RT, Torres S, Ribeiro LA, Nogueira-Costa G, Pais HL, Pinto C, Costa L, and Costa L
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Breast cancer (BC) is the most prevalent malignancy affecting women worldwide, including Portugal. While the majority of BC cases are sporadic, hereditary forms account for 5-10% of cases. The most common inherited mutations associated with BC are germline mutations in the BReast CAncer (BRCA) 1/2 gene ( gBRCA1/2 ). They are found in approximately 5-6% of BC patients and are inherited in an autosomal dominant manner, primarily affecting younger women. Pathogenic variants within BRCA1/2 genes elevate the risk of both breast and ovarian cancers and give rise to distinct clinical phenotypes. BRCA proteins play a key role in maintaining genome integrity by facilitating the repair of double-strand breaks through the homologous recombination (HR) pathway. Therefore, any mutation that impairs the function of BRCA proteins can result in the accumulation of DNA damage, genomic instability, and potentially contribute to cancer development and progression. Testing for gBRCA1/2 status is relevant for treatment planning, as it can provide insights into the likely response to therapy involving platinum-based chemotherapy and poly[adenosine diphosphate (ADP)-ribose] polymerase inhibitors (PARPi). The aim of this review was to investigate the impact of HR deficiency in BC, focusing on BRCA mutations and their impact on the modulation of responses to platinum and PARPi therapy, and to share the experience of Unidade Local de Saúde Santa Maria in the management of metastatic BC patients with DNA damage targeted therapy, including those with the Portuguese c.156_157insAlu BRCA2 founder mutation., Competing Interests: The authors declare no conflicts of interest., (© The Author(s) 2024.)
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- 2024
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18. Ultrarapid Insulin Use Can Reduce Postprandial Hyperglycemia and Late Hypoglycemia, Even in Delayed Insulin Injections: A Connected Insulin Cap-Based Real-World Study.
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Gómez-Peralta F, Valledor X, López-Picado A, Abreu C, Fernández-Rubio E, Cotovad L, Pujante P, García-Fernández E, Azriel S, Corcoy R, Pérez-González J, and Ruiz-Valdepeñas L
- Subjects
- Humans, Insulin therapeutic use, Hypoglycemic Agents therapeutic use, Blood Glucose Self-Monitoring methods, Retrospective Studies, Blood Glucose, Insulin, Regular, Human, Postprandial Period, Cross-Over Studies, Diabetes Mellitus, Type 1 drug therapy, Hypoglycemia chemically induced, Hypoglycemia prevention & control, Hyperglycemia prevention & control
- Abstract
Objectives: Reaching optimal postprandial glucose dynamics is a daily challenge for people with type 1 diabetes (T1D). This study aimed to analyze the postprandial hyperglycemic excursion (PHEs) and late postprandial hypoglycemia (LPH) risk according to prandial insulin time and type. Research Design and Methods: Real-world, retrospective study in T1D using multiple daily injections (MDI) analyzing 5 h of paired continuous glucose monitoring and insulin injections data collected from the connected cap Insulclock
® . Meal events were identified using the rate of change detection methodology. Postprandial glucometrics and LPH (glucose <70 mg/dL 2-5 h after a meal) were evaluated according to insulin injection time and rapid (RI) or ultrarapid analog, Fiasp® (URI), use. Results: Meal glycemic excursions ( n = 2488), RI: 1211, 48.7%; UR: 1277, 51.3%, in 82 people were analyzed according to injection time around the PHE: -45 to -15 min; -15 to 0 min; and 0 to +45 min. In 63% of the meals, insulin was injected after the PHE started. Lower PHE was observed with URI versus RI (glucose peak-baseline; mg/dL; mean ± standard deviation): 106.7 ± 35.2 versus 111.2 ± 40.3 ( P = 0.003), particularly in 0/+45 injections: 111.6 ± 40.2 versus 118.1 ± 43.3; ( P = 0.002). One third (29.1%) of participants added a second (correction) injection. The use of URI and avoiding a second injection were independently associated with less LPH risk, even in delayed injections (0/+45), (-36%, odds ratio [OR] 0.641; confidence interval [CI]: 0.462-0.909; P = 0.012) and -56% (OR 0.641; CI: 0.462-0.909 P = 0.038), respectively. Conclusions: URI analog use as prandial insulin reduces postprandial hyper- and hypoglycemia, even in delayed injections.- Published
- 2024
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