6,624 results
Search Results
2. Facilitating the use of the target product profile in academic research: a systematic review.
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Ibnidris, Aliaa, Liaskos, Nektarios, Eldem, Ece, Gunn, Angus, Streffer, Johannes, Gold, Michael, Rea, Mike, Teipel, Stefan, Gardiol, Alejandra, and Boccardi, Marina
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UNIVERSITY research ,DRUG stability ,BUSINESS communication ,DATA extraction ,COMMUNICABLE diseases - Abstract
Background: The Target Product Profile (TPP) is a tool used in industry to guide development strategies by addressing user needs and fostering effective communication among stakeholders. However, they are not frequently used in academic research, where they may be equally useful. This systematic review aims to extract the features of accessible TPPs, to identify commonalities and facilitate their integration in academic research methodology. Methods: We searched peer-reviewed papers published in English developing TPPs for different products and health conditions in four biomedical databases. Interrater agreement, computed on random abstract and paper sets (Cohen's Kappa; percentage agreement with zero tolerance) was > 0.91. We interviewed experts from industry contexts to gain insight on the process of TPP development, and extracted general and specific features on TPP use and structure. Results: 138 papers were eligible for data extraction. Of them, 92% (n = 128) developed a new TPP, with 41.3% (n = 57) focusing on therapeutics. The addressed disease categories were diverse; the largest (47.1%, n = 65) was infectious diseases. Only one TPP was identified for several fields, including global priorities like dementia. Our analyses found that 56.5% of papers (n = 78) was authored by academics, and 57.8% of TPPs (n = 80) featured one threshold level of product performance. The number of TPP features varied widely across and within product types (n = 3–44). Common features included purpose/context of use, shelf life for drug stability and validation aspects. Most papers did not describe the methods used to develop the TPP. We identified aspects to be taken into account to build and report TPPs, as a starting point for more focused initiatives guiding use by academics. Discussion: TPPs are used in academic research mostly for infectious diseases and have heterogeneous features. Our extraction of key features and common structures helps to understand the tool and widen its use in academia. This is of particular relevance for areas of notable unmet needs, like dementia. Collaboration between stakeholders is key for innovation. Tools to streamline communication such as TPPs would support the development of products and services in academia as well as industry. [ABSTRACT FROM AUTHOR]
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- 2024
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3. Roadmap for low-carbon ultra-low temperature storage in biobanking.
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Graham, Matthew, Samuel, Gabrielle, and Farley, Martin
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EFFECT of human beings on climate change ,CARBON emissions ,LIQUID nitrogen ,ECOLOGICAL impact ,INTERDISCIPLINARY research - Abstract
Biobanks have become an integral part of health and bioscience research. However, the ultra-low temperature (ULT) storage methods that biobanks employ [ULT freezers and liquid nitrogen (LN2)] are associated with carbon emissions that contribute to anthropogenic climate change. This paper aims to provide a 'Roadmap' for reducing carbon emissions associated with ULT storage in biobanking. The Roadmap offers recommendations associated with nine areas of ULT storage practice: four relating to ULT freezers, three associated with LN2 storage, and two generalised discussions regarding biosample management and centralisation. For each practice, we describe (a) the best approaches to mitigate carbon emissions, (b) explore barriers associated with hindering their implementation, and (c) make a series of recommendations that can help biobank stakeholders overcome these barriers. The recommendations were the output of a one year, UK-based, multidisciplinary research project that involved a quantitative Carbon Footprinting Assessment of the emissions associated with 1 year of ULT storage (for both freezers and LN2) at four different case study sites; as well as two follow up stakeholder workshops to qualitatively explore UK biobank stakeholder perceptions, views, and experiences on how to consider such assessments within the broader social, political, financial, technical, and cultural contexts of biobanking. [ABSTRACT FROM AUTHOR]
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- 2024
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4. Potential pathophysiological role of the ion channel TRPM3 in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and the therapeutic effect of low-dose naltrexone.
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Löhn, Matthias and Wirth, Klaus Josef
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CHRONIC fatigue syndrome ,ION channels ,POST-acute COVID-19 syndrome ,AUTOIMMUNE diseases ,NALTREXONE ,TREATMENT effectiveness - Abstract
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) is a debilitating disease with a broad overlap of symptomatology with Post-COVID Syndrome (PCS). Despite the severity of symptoms and various neurological, cardiovascular, microvascular, and skeletal muscular findings, no biomarkers have been identified. The Transient receptor potential melastatin 3 (TRPM3) channel, involved in pain transduction, thermosensation, transmitter and neuropeptide release, mechanoregulation, vasorelaxation, and immune defense, shows altered function in ME/CFS. Dysfunction of TRPM3 in natural killer (NK) cells, characterized by reduced calcium flux, has been observed in ME/CFS and PCS patients, suggesting a role in ineffective pathogen clearance and potential virus persistence and autoimmunity development. TRPM3 dysfunction in NK cells can be improved by naltrexone in vitro and ex vivo, which may explain the moderate clinical efficacy of low-dose naltrexone (LDN) treatment. We propose that TRPM3 dysfunction may have a broader involvement in ME/CFS pathophysiology, affecting other organs. This paper discusses TRPM3's expression in various organs and its potential impact on ME/CFS symptoms, with a focus on small nerve fibers and the brain, where TRPM3 is involved in presynaptic GABA release. [ABSTRACT FROM AUTHOR]
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- 2024
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5. Radiology of fibrosis part III: genitourinary system.
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Tarchi, Sofia Maria, Salvatore, Mary, Lichtenstein, Philip, Sekar, Thillai, Capaccione, Kathleen, Luk, Lyndon, Shaish, Hiram, Makkar, Jasnit, Desperito, Elise, Leb, Jay, Navot, Benjamin, Goldstein, Jonathan, Laifer, Sherelle, Beylergil, Volkan, Ma, Hong, Jambawalikar, Sachin, Aberle, Dwight, D'Souza, Belinda, Bentley-Hibbert, Stuart, and Marin, Monica Pernia
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CONNECTIVE tissues ,WOUND healing ,RADIOLOGY ,CANCER invasiveness ,FIBROSIS ,QUALITY of life - Abstract
Fibrosis is a pathological process involving the abnormal deposition of connective tissue, resulting from improper tissue repair in response to sustained injury caused by hypoxia, infection, or physical damage. It can impact any organ, leading to their dysfunction and eventual failure. Additionally, tissue fibrosis plays an important role in carcinogenesis and the progression of cancer. Early and accurate diagnosis of organ fibrosis, coupled with regular surveillance, is essential for timely disease-modifying interventions, ultimately reducing mortality and enhancing quality of life. While extensive research has already been carried out on the topics of aberrant wound healing and fibrogenesis, we lack a thorough understanding of how their relationship reveals itself through modern imaging techniques. This paper focuses on fibrosis of the genito-urinary system, detailing relevant imaging technologies used for its detection and exploring future directions. [ABSTRACT FROM AUTHOR]
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- 2024
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6. Global research trends and foci of artificial intelligence-based tumor pathology: a scientometric study.
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Shen, Zefeng, Hu, Jintao, Wu, Haiyang, Chen, Zeshi, Wu, Weixia, Lin, Junyi, Xu, Zixin, Kong, Jianqiu, and Lin, Tianxin
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MASS media ,BIBLIOMETRICS ,ARTIFICIAL intelligence ,COGNITION ,RESEARCH funding ,BREAST tumors - Abstract
Background: With the development of digital pathology and the renewal of deep learning algorithm, artificial intelligence (AI) is widely applied in tumor pathology. Previous researches have demonstrated that AI-based tumor pathology may help to solve the challenges faced by traditional pathology. This technology has attracted the attention of scholars in many fields and a large amount of articles have been published. This study mainly summarizes the knowledge structure of AI-based tumor pathology through bibliometric analysis, and discusses the potential research trends and foci.Methods: Publications related to AI-based tumor pathology from 1999 to 2021 were selected from Web of Science Core Collection. VOSviewer and Citespace were mainly used to perform and visualize co-authorship, co-citation, and co-occurrence analysis of countries, institutions, authors, references and keywords in this field.Results: A total of 2753 papers were included. The papers on AI-based tumor pathology research had been continuously increased since 1999. The United States made the largest contribution in this field, in terms of publications (1138, 41.34%), H-index (85) and total citations (35,539 times). We identified the most productive institution and author were Harvard Medical School and Madabhushi Anant, while Jemal Ahmedin was the most co-cited author. Scientific Reports was the most prominent journal and after analysis, Lecture Notes in Computer Science was the journal with highest total link strength. According to the result of references and keywords analysis, "breast cancer histopathology" "convolutional neural network" and "histopathological image" were identified as the major future research foci.Conclusions: AI-based tumor pathology is in the stage of vigorous development and has a bright prospect. International transboundary cooperation among countries and institutions should be strengthened in the future. It is foreseeable that more research foci will be lied in the interpretability of deep learning-based model and the development of multi-modal fusion model. [ABSTRACT FROM AUTHOR]- Published
- 2022
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7. Liposomes, transfersomes and niosomes: production methods and their applications in the vaccinal field.
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Riccardi, Domenico, Baldino, Lucia, and Reverchon, Ernesto
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SUPERCRITICAL carbon dioxide ,PRODUCTION methods ,LIPOSOMES ,DNA vaccines - Abstract
One of the most effective strategies to fight viruses and handle health diseases is vaccination. Recent studies and current applications are moving on antigen, DNA and RNA-based vaccines to overcome the limitations related to the conventional vaccination strategies, such as low safety, necessity of multiple injection, and side effects. However, due to the instability of pristine antigen, RNA and DNA molecules, the use of nanocarriers is required. Among the different nanocarriers proposed for vaccinal applications, three types of nanovesicles were selected and analysed in this review: liposomes, transfersomes and niosomes. PubMed, Scopus and Google Scholar databases were used for searching recent papers on the most frequently used conventional and innovative methods of production of these nanovesicles. Weaknesses and limitations of conventional methods (i.e., multiple post-processing, solvent residue, batch-mode processes) can be overcome using innovative methods, in particular, the ones assisted by supercritical carbon dioxide. SuperSomes process emerged as a promising production technique of solvent-free nanovesicles, since it can be easily scaled-up, works in continuous-mode, and does not require further post-processing steps to obtain the desired products. As a result of the literature analysis, supercritical carbon dioxide assisted methods attracted a lot of interest for nanovesicles production in the vaccinal field. However, despite their numerous advantages, supercritical processes require further studies for the production of liposomes, transfersomes and niosomes with the aim of reaching well-defined technologies suitable for industrial applications and mass production of vaccines. [ABSTRACT FROM AUTHOR]
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- 2024
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8. Cathepsin A inhibition attenuates myocardial infarction-induced heart failure on the functional and proteomic levels.
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Petrera, Agnese, Gassenhuber, Johann, Ruf, Sven, Gunasekaran, Deepika, Esser, Jennifer, Shahinian, Jasmin Hasmik, Hübschle, Thomas, Rütten, Hartmut, Sadowski, Thorsten, and Schilling, Oliver
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MYOCARDIAL infarction ,HEART failure ,CARBOXYPEPTIDASES ,ARTERIES ,CATHEPSINS ,MYOCARDIAL infarction complications ,THERAPEUTIC use of protease inhibitors ,ANIMAL experimentation ,ANIMALS ,ANTHROPOMETRY ,BIOLOGICAL models ,CELL lines ,HEART ventricles ,LIGATURE (Surgery) ,MICE ,PAPER chromatography ,PEPTIDES ,PROTEOLYTIC enzymes ,RATS ,PROTEOMICS ,PROTEASE inhibitors ,CHEMICAL inhibitors ,PHARMACODYNAMICS - Abstract
Background: Myocardial infarction (MI) is a major cause of heart failure. The carboxypeptidase cathepsin A is a novel target in the treatment of cardiac failure. We aim to show that recently developed inhibitors of the protease cathepsin A attenuate post-MI heart failure.Methods: Mice were subjected to permanent left anterior descending artery (LAD) ligation or sham operation. 24 h post-surgery, LAD-ligated animals were treated with daily doses of the cathepsin A inhibitor SAR1 or placebo. After 4 weeks, the three groups (sham, MI-placebo, MI-SAR1) were evaluated.Results: Compared to sham-operated animals, placebo-treated mice showed significantly impaired cardiac function and increased plasma BNP levels. Cathepsin A inhibition prevented the increase of plasma BNP levels and displayed a trend towards improved cardiac functionality. Proteomic profiling was performed for the three groups (sham, MI-placebo, MI-SAR1). More than 100 proteins were significantly altered in placebo-treated LAD ligation compared to the sham operation, including known markers of cardiac failure as well as extracellular/matricellular proteins. This ensemble constitutes a proteome fingerprint of myocardial infarction induced by LAD ligation in mice. Cathepsin A inhibitor treatment normalized the marked increase of the muscle stress marker CA3 as well as of Igγ 2b and fatty acid synthase. For numerous further proteins, cathepsin A inhibition partially dampened the LAD ligation-induced proteome alterations.Conclusions: Our proteomic and functional data suggest that cathepsin A inhibition has cardioprotective properties and support a beneficial effect of cathepsin A inhibition in the treatment of heart failure after myocardial infarction. [ABSTRACT FROM AUTHOR]- Published
- 2016
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9. Strengths and limitations of new artificial intelligence tool for rare disease epidemiology.
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Lapidus, David
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RARE diseases ,ARTIFICIAL intelligence ,EPIDEMIOLOGY ,MEDICAL registries - Abstract
The recent paper by Kariampuzha et al. describes an exciting application of artificial intelligence to rare disease epidemiology. The authors' AI model appears to offer a major leap over Orphanet, the resource which is often a "first stop" for basic epidemiological data on rare diseases. To ensure appropriate use of this exciting tool, it is important to consider its strengths and weaknesses in context. The tool currently incorporates only PubMed abstracts, so key information located in the full text of articles is absent. Such missing information may include incidence and prevalence values, as well as important elements of study design and context. Additionally, results from the public version of the tool differ from those described in the original article, including obsolete values for prevalence and the use of non-prevalence studies in place of those listed in the article. At present, it would be appropriate to utilize the AI tool much like Orphanet: a helpful "first stop" which should be manually checked for completeness and accuracy. Users should understand the benefits of this exciting technology, and that it is not yet a panacea for the challenges of analyzing rare disease epidemiology. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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10. Hegemonic structure of basic, clinical and patented knowledge on Ebola research: a US army reductionist initiative.
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Fajardo-Ortiz, David, Ortega-Sánchez-de-Tagle, José, and Castaño, Victor M.
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EBOLA virus disease ,PUBLIC health ,GLYCOPROTEINS ,VACCINES ,DISEASE risk factors - Abstract
Background: Ebola hemorrhagic fever (Ebola) is still a highly lethal infectious disease long affecting mainly neglected populations in sub-Saharan Africa. Moreover, this disease is now considered a potential worldwide threat. In this paper, we present an approach to understand how the basic, clinical and patent knowledge on Ebola is organized and intercommunicated and what leading factor could be shaping the evolution of the knowledge translation process for this disease. Methodology: A combination of citation network analysis; analysis of Medical heading Subject (MeSH) and Gene Ontology (GO) terms, and quantitative content analysis for patents and scientific literature, aimed to map the organization of Ebola research was carried out. Results: We found six putative research fronts (i.e. clusters of high interconnected papers). Three research fronts are basic research on Ebola virus structural proteins: glycoprotein, VP40 and VP35, respectively. There is a fourth research front of basic research papers on pathogenesis, which is the organizing hub of Ebola research. A fifth research front is pre-clinical research focused on vaccines and glycoproteins. Finally, a clinical-epidemiology research front related to the disease outbreaks was identified. The network structure of patent families shows that the dominant design is the use of Ebola virus proteins as targets of vaccines and other immunological treatments. Therefore, patents network organization resembles the organization of the scientific literature. Specifically, the knowledge on Ebola would flow from higher (clinical-epidemiology) to intermediated (cellular-tissular pathogenesis) to lower (molecular interactions) levels of organization. Conclusion: Our results suggest a strong reductionist approach for Ebola research probably influenced by the lethality of the disease. On the other hand, the ownership profile of the patent families network and the main researches relationship with the United State Army suggest a strong involvement of this military institution in Ebola research. [ABSTRACT FROM AUTHOR]
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- 2015
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11. Advances in metabolic reprogramming of NK cells in the tumor microenvironment on the impact of NK therapy.
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Miao, Linxuan, Lu, Chenglin, Zhang, Bin, Li, Huili, Zhao, Xu, Chen, Haoran, Liu, Ying, and Cui, Xiaonan
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KILLER cells ,METABOLIC reprogramming ,TUMOR microenvironment ,IMMUNE response ,CELL physiology - Abstract
Natural killer (NK) cells are unique from other immune cells in that they can rapidly kill multiple neighboring cells without the need for antigenic pre-sensitization once the cells display surface markers associated with oncogenic transformation. Given the dynamic role of NK cells in tumor surveillance, NK cell-based immunotherapy is rapidly becoming a "new force" in tumor immunotherapy. However, challenges remain in the use of NK cell immunotherapy in the treatment of solid tumors. Many metabolic features of the tumor microenvironment (TME) of solid tumors, including oxygen and nutrient (e.g., glucose, amino acids) deprivation, accumulation of specific metabolites (e.g., lactate, adenosine), and limited availability of signaling molecules that allow for metabolic reorganization, multifactorial shaping of the immune-suppressing TME impairs tumor-infiltrating NK cell function. This becomes a key barrier limiting the success of NK cell immunotherapy in solid tumors. Restoration of endogenous NK cells in the TME or overt transfer of functionally improved NK cells holds great promise in cancer therapy. In this paper, we summarize the metabolic biology of NK cells, discuss the effects of TME on NK cell metabolism and effector functions, and review emerging strategies for targeting metabolism-improved NK cell immunotherapy in the TME to circumvent these barriers to achieve superior efficacy of NK cell immunotherapy. [ABSTRACT FROM AUTHOR]
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- 2024
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12. Exploring the role of ubiquitin regulatory X domain family proteins in cancers: bioinformatics insights, mechanisms, and implications for therapy.
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Yang, Enyu, Fan, Xiaowei, Ye, Haihan, Sun, Xiaoyang, Ji, Qing, Ding, Qianyun, Zhong, Shulian, Zhao, Shuo, Xuan, Cheng, Fang, Meiyu, Ding, Xianfeng, and Cao, Jun
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UBIQUITIN ,PROTEIN domains ,BIOINFORMATICS ,MULTIOMICS ,TUMOR microenvironment - Abstract
UBXD family (UBXDF), a group of proteins containing ubiquitin regulatory X (UBX) domains, play a crucial role in the imbalance of proliferation and apoptotic in cancer. In this study, we summarised bioinformatics proof on multi-omics databases and literature on UBXDF's effects on cancer. Bioinformatics analysis revealed that Fas-associated factor 1 (FAF1) has the largest number of gene alterations in the UBXD family and has been linked to survival and cancer progression in many cancers. UBXDF may affect tumour microenvironment (TME) and drugtherapy and should be investigated in the future. We also summarised the experimental evidence of the mechanism of UBXDF in cancer, both in vitro and in vivo, as well as its application in clinical and targeted drugs. We compared bioinformatics and literature to provide a multi-omics insight into UBXDF in cancers, review proof and mechanism of UBXDF effects on cancers, and prospect future research directions in-depth. We hope that this paper will be helpful for direct cancer-related UBXDF studies. [ABSTRACT FROM AUTHOR]
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- 2024
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13. Gut microbial metabolites SCFAs and chronic kidney disease.
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He, Meng, Wei, Wenqian, Zhang, Yichen, Xiang, Zhouxia, Peng, Dan, Kasimumali, Ayijiaken, and Rong, Shu
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MICROBIAL metabolites ,CHRONIC kidney failure ,DISEASE risk factors ,SHORT-chain fatty acids ,KIDNEY diseases - Abstract
The global incidence of Chronic Kidney Disease (CKD) is steadily escalating, with discernible linkage to the intricate terrain of intestinal microecology. The intestinal microbiota orchestrates a dynamic equilibrium in the organism, metabolizing dietary-derived compounds, a process which profoundly impacts human health. Among these compounds, short-chain fatty acids (SCFAs), which result from microbial metabolic processes, play a versatile role in influencing host energy homeostasis, immune function, and intermicrobial signaling, etc. SCFAs emerge as pivotal risk factors influencing CKD's development and prognosis. This paper review elucidates the impact of gut microbial metabolites, specifically SCFAs, on CKD, highlighting their role in modulating host inflammatory responses, oxidative stress, cellular autophagy, the immune milieu, and signaling cascades. An in-depth comprehension of the interplay between SCFAs and kidney disease pathogenesis may pave the way for their utilization as biomarkers for CKD progression and prognosis or as novel adjunctive therapeutic strategies. [ABSTRACT FROM AUTHOR]
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- 2024
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14. Single-nucleus transcriptomic analysis reveals the relationship between gene expression in oligodendrocyte lineage and major depressive disorder.
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Xie, Yinping, Chen, Lijuan, Wang, Leimin, Liu, Tongou, Zheng, Yage, Si, Lujia, Ge, Hailong, Xu, Hong, Xiao, Ling, and Wang, Gaohua
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OLIGODENDROGLIA ,MENTAL depression ,GENE expression ,LINCRNA ,FLUORESCENCE in situ hybridization - Abstract
Background: Major depressive disorder (MDD) is a common mental illness that affects millions of people worldwide and imposes a heavy burden on individuals, families and society. Previous studies on MDD predominantly focused on neurons and employed bulk homogenates of brain tissues. This paper aims to decipher the relationship between oligodendrocyte lineage (OL) development and MDD at the single-cell resolution level. Methods: Here, we present the use of a guided regularized random forest (GRRF) algorithm to explore single-nucleus RNA sequencing profiles (GSE144136) of the OL at four developmental stages, which contains dorsolateral prefrontal cortex of 17 healthy controls (HC) and 17 MDD cases, generated by Nagy C et al. We prioritized and ordered differentially expressed genes (DEGs) based on Nagy et al., which could predominantly discriminate cells in the four developmental stages and two adjacent developmental stages of the OL. We further screened top-ranked genes that distinguished between HC and MDD in four developmental stages. Moreover, we estimated the performance of the GRRF model via the area under the curve value. Additionally, we validated the pivotal candidate gene Malat1 in animal models. Results: We found that, among the four developmental stages, the onset development of OL (OPC2) possesses the best predictive power for distinguishing HC and MDD, and long noncoding RNA MALAT1 has top-ranked importance value in candidate genes of four developmental stages. In addition, results of fluorescence in situ hybridization assay showed that Malat1 plays a critical role in the occurrence of depression. Conclusions: Our work elucidates the mechanism of MDD from the perspective of OL development at the single-cell resolution level and provides novel insight into the occurrence of depression. [ABSTRACT FROM AUTHOR]
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- 2024
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15. Re-evaluating the risk factors for radiation pneumonitis in the era of immunotherapy.
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Chen, Feihu, Niu, Jiling, Wang, Min, Zhu, Hui, and Guo, Zhijun
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RADIATION pneumonitis ,MONITOR alarms (Medicine) ,IMMUNE checkpoint inhibitors ,IMMUNOTHERAPY ,NEOVASCULARIZATION inhibitors - Abstract
As one of the common complications of radiotherapy, radiation pneumonia (RP) limits the prognosis of patients. Therefore, better identifying the high-risk factors that lead to RP is essential to effectively prevent its occurrence. However, as lung cancer treatment modalities are being replaced and the era of immunotherapy has arrived, literature that reviews the parameters and mode of radiotherapy, chemotherapy drugs, targeted drugs and current hot immune checkpoint inhibitors related to RP is lacking. This paper summarizes the risk factors for radiation pneumonia by retrieving and analysing previously published literature and the results of large clinical trials. The literature primarily included retrospective analyses, including clinical trials in different periods and a part of the literature review. A systematic literature search of Embase, PubMed, Web of Science, and Clinicaltrials.gov was performed for relevant publications up to 6 Dec. 2022. Search keywords include, but are not limited to, "radiation pneumonia", "pneumonia", "risk factors", "immunotherapy", etc. The factors related to RP in this paper include physical parameters of radiotherapy, including V
5 , V20 , and MLD; chemoradiotherapy mode and chemotherapy drugs, including paclitaxel and gemcitabine; EGFR-TKI; ALK inhibitors; antiangiogenic drugs; immune drugs and the underlying disease of the patient. We also introduce the possible mechanism of RP. In the future, we hope that this article not only sounds the alarm for clinicians but also helps to identify a method that can effectively intervene and reduce the occurrence of RP, significantly improve the quality of life and prognosis of patients, and more effectively improve the therapeutic effect of radiation therapy. [ABSTRACT FROM AUTHOR]- Published
- 2023
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16. Effects of probiotic administration on overweight or obese children: a meta-analysis and systematic review.
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Li, Ya, Liu, Tonghua, Qin, Lingling, and Wu, Lili
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OVERWEIGHT children ,HDL cholesterol ,LDL cholesterol ,FIXED effects model ,RANDOM effects model - Abstract
Background: This paper aimed to examine the effects of probiotics on eight factors in overweight or obese children by meta-analysis, namely, body mass index (BMI), total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), adiponectin, leptin and tumor necrosis factor-α (TNF-α) and summarize the mechanisms of action of probiotics based on the existing researches. Methods: Six databases (PubMed, Web of Science, Embase, Cochrane Library, SinoMed and CNKI) were searched until March 2023. Review Manager 5.4 was used for meta-analysis. The data were analysed using weighted mean differences (WMDs) or standardized mean differences (SMDs) under a fixed effect model or random effect model to observe the effects of probiotic administration on the included indicators. Results: Four publications with a total of 206 overweight or obesity children were included. According to the meta-analysis, probiotics were able to significantly decrease the levels of HDL-C (MD, 0.06; 95% CI 0.03, 0.09; P = 0.0001), LDL-C (MD, − 0.06; 95% CI − 0.12, − 0.00; P = 0.04), adiponectin (MD, 1.39; 95% CI 1.19, 1.59; P < 0.00001), leptin (MD, − 2.72; 95% CI − 2.9, − 2.54; P < 0.00001) and TNF-α (MD, − 4.91; 95% CI − 7.15, − 2.67; P < 0.0001) compared to those in the placebo group. Still, for BMI, the palcebo group seemed to be better than the probiotic group (MD, 0.85; 95% CI 0.04, 1.66; P = 0.04). TC (MD, − 0.05; 95% CI − 0.12, 0.02; P = 0.14) and TG (MD, − 0.16; 95% CI − 0.36, 0.05; P = 0.14) were not different between two groups. Conclusions: This review drew that probiotics might act as a role in regulating HDL-C, LDL-C, adiponectin, leptin and TNF-α in overweight or obesity children. Additionally, our systematic review yielded that probiotics might regulate lipid metabolism and improve obese associated symptoms by some paths. This meta-analysis has been registered at PROSPERO with ID: CRD42023408359. [ABSTRACT FROM AUTHOR]
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- 2023
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17. Fibrosis and bone marrow: understanding causation and pathobiology.
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Ghosh, Kanjaksha, Shome, Durjoy K., Kulkarni, Bipin, Ghosh, Malay K., and Ghosh, Kinjalka
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BONE marrow ,BONE marrow cells ,EHLERS-Danlos syndrome ,MESENCHYMAL stem cells ,FIBROSIS ,STEM cells - Abstract
Bone marrow fibrosis represents an important structural change in the marrow that interferes with some of its normal functions. The aetiopathogenesis of fibrosis is not well established except in its primary form. The present review consolidates current understanding of marrow fibrosis. We searched PubMed without time restriction using key words: bone marrow and fibrosis as the main stem against the terms: growth factors, cytokines and chemokines, morphology, megakaryocytes and platelets, myeloproliferative disorders, myelodysplastic syndrome, collagen biosynthesis, mesenchymal stem cells, vitamins and minerals and hormones, and mechanism of tissue fibrosis. Tissue marrow fibrosis-related papers were short listed and analysed for the review. It emerged that bone marrow fibrosis is the outcome of complex interactions between growth factors, cytokines, chemokines and hormones together with their facilitators and inhibitors. Fibrogenesis is initiated by mobilisation of special immunophenotypic subsets of mesenchymal stem cells in the marrow that transform into fibroblasts. Fibrogenic stimuli may arise from neoplastic haemopoietic or non-hematopoietic cells, as well as immune cells involved in infections and inflammatory conditions. Autoimmunity is involved in a small subset of patients with marrow fibrosis. Megakaryocytes and platelets are either directly involved or are important intermediaries in stimulating mesenchymal stem cells. MMPs, TIMPs, TGF-β, PDGRF, and basic FGF and CRCXL4 chemokines are involved in these processes. Genetic and epigenetic changes underlie many of these conditions. Highlights: Fibrosis of the marrow is always secondary to a primary event which may be clonal or non clonal. Megakaryocytes and platelets form the central arm in myelofibrosis. Haemopoietic stem cells, clonal or activated in various inflammatory processes, immune cells and megakaryocytes (clonal or activated) interact with mesenchymal stem cells of GLI+ and Lep+ subsets that differentiate into myofibroblasts, -fibroblasts and fibrocytes. At each of these steps different cytokines, vitamins, hormones and minerals interact to produce the fibrocollagenous matrix. TGF-β and CXCL4 are important growth factors and chemokines assist this process. PDGFα, VEGF, angiopoietin, bFGF-, BMP pathway and inflammatory/oxidative cytokine pathways and tissue oxygen sensing mechanism via HID1α are also involved in the process in specific cases. Vitamins, hormones, minerals, and protease/anti-protease balance finally determine the extent of fibrosis. Many signals converge to produce TGF-β that stimulates marrow fibrosis. There may be a healthy noradrenergic input to the marrow vasculature that prevents fibrosis. Epigenetic regulation of fibrosis is getting increasing attention for understanding the process and directing targeted therapy. Addressing these signals with various targeted therapies alone or in combination are being developed (e.g ruxolotinib in PMF) [ABSTRACT FROM AUTHOR]
- Published
- 2023
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18. Vascular endothelial growth factor and its receptors regulation in gestational diabetes mellitus and eclampsia.
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Bolatai, Alayi, He, Yujing, and Wu, Na
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Background: An imbalance in the expression of vascular endothelial growth factor (VEGF) and its receptor (VEGF-R) during pregnancy plays an important role in the pathogenesis of gestational diabetes mellitus (GDM) and eclampsia. VEGF and its receptors change during the regulation of blood vessels as a result of risk factors such as familial genetics. These modifications include loss of original balance of serological indicators, upregulation or downregulation of growth factor indicators, and changes in the placenta, kidney, liver and other organs to varying degrees of damage. This has an impact on both the pregnant woman's and the fetus's health.Main Body: This paper summarizes the mechanisms of unbalanced VEGF and receptor expression based on data from relevant literature on GDM and eclampsia. An Imbalance in VEGF and its binding receptor is often associated with the occurrence of multiple pregnancy disorders. In recent years, researchers have focused on the potential role of VEGF and its receptors in the development of GDM and eclampsia.Conclusion: This paper summarizes the different VEGF subtypes and their binding receptors, as well as mechanisms that cause GDM and eclampsia, in order to provide valuable data to inform monitoring, diagnosis, and prognosis. [ABSTRACT FROM AUTHOR]- Published
- 2022
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19. Mechanism and treatment of olfactory dysfunction caused by coronavirus disease 2019.
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Hu, Bian, Gong, Mengdan, Xiang, Yizhen, Qu, Siyuan, Zhu, Hai, and Ye, Dong
- Abstract
Coronavirus disease 2019 (COVID-19) is an infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Since the start of the pandemic, olfactory dysfunction (OD) has been reported as a common symptom of COVID-19. In some asymptomatic carriers, OD is often the first and even the only symptom. At the same time, persistent OD is also a long-term sequela seen after COVID-19 that can have a serious impact on the quality of life of patients. However, the pathogenesis of post-COVID-19 OD is still unclear, and there is no specific treatment for its patients. The aim of this paper was to review the research on OD caused by SARS-CoV-2 infection and to summarize the mechanism of action, the pathogenesis, and current treatments. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
20. RGS2 and female common diseases: a guard of women's health.
- Author
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Xu, Qiang, Yao, Mukun, and Tang, Chao
- Subjects
WOMEN'S health ,G protein coupled receptors ,OVARIAN cancer ,GUANOSINE triphosphate ,UTERINE fibroids ,CELL physiology - Abstract
Currently, women around the world are still suffering from various female common diseases with the high incidence, such as ovarian cancer, uterine fibroids and preeclampsia (PE), and some diseases are even with the high mortality rate. As a negative feedback regulator in G Protein-Coupled Receptor signaling (GPCR), the Regulator of G-protein Signaling (RGS) protein family participates in regulating kinds of cell biological functions by destabilizing the enzyme–substrate complex through the transformation of hydrolysis of G Guanosine Triphosphate (GTP). Recent work has indicated that, the Regulator of G-protein Signaling 2 (RGS2), a member belonging to the RGS protein family, is closely associated with the occurrence and development of certain female diseases, providing with the evidence that RGS2 functions in sustaining women's health. In this review paper, we summarize the current knowledge of RGS2 in female common diseases, and also tap and discuss its therapeutic potential by targeting multiple mechanisms. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
21. Eosinophils in the tumor microenvironment: implications for cancer immunotherapy.
- Author
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Ghaffari, Sasan and Rezaei, Nima
- Subjects
EOSINOPHILS ,HOMEOSTASIS ,TUMOR microenvironment ,THYMIC stromal lymphopoietin ,GRANULOCYTE-macrophage colony-stimulating factor - Abstract
Despite being an integral part of the immune response in the tumor microenvironment (TME), few studies have mechanistically elucidated eosinophil functions in cancer outcomes. Eosinophils are a minor population of granulocytes that are mostly explored in asthma and allergic disorders. Their influence on primary and metastatic tumors, however, has recently come to light. Eosinophils' diverse armamentarium of mediators and receptors allows them to participate in innate and adaptive immunity, such as type 1 and type 2 immunity, and shape TME and tumor outcomes. Based on TME cells and cytokines, activated eosinophils drive other immune cells to ultimately promote or suppress tumor growth. Discovering exactly what conditions determine the pro-tumorigenic or anti-tumorigenic role of eosinophils allows us to take advantage of these signals and devise novel strategies to target cancer cells. Here, we first revisit eosinophil biology and differentiation as recognizing eosinophil mediators is crucial to their function in homeostatic and pathological conditions as well as tumor outcome. The bulk of our paper discusses eosinophil interactions with tumor cells, immune cells—including T cells, plasma cells, natural killer (NK) cells—and gut microbiota. Eosinophil mediators, such as IL-5, IL-33, granulocyte–macrophage colony-stimulating factor (GM-CSF), thymic stromal lymphopoietin (TSLP), and CCL11 also determine eosinophil behavior toward tumor cells. We then examine the implications of these findings for cancer immunotherapy approaches, including immune checkpoint blockade (ICB) therapy using immune checkpoint inhibitors (ICIs) and chimeric antigen receptor (CAR) T cell therapy. Eosinophils synergize with CAR T cells and ICB therapy to augment immunotherapies. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
22. Targeting oxidative stress as a preventive and therapeutic approach for cardiovascular disease.
- Author
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Yan, Qian, Liu, Shasha, Sun, Yang, Chen, Chen, Yang, Songwei, Lin, Meiyu, Long, Junpeng, Yao, Jiao, Lin, Yuting, Yi, Fan, Meng, Lei, Tan, Yong, Ai, Qidi, Chen, Naihong, and Yang, Yantao
- Subjects
OXIDATIVE stress ,CARDIOVASCULAR diseases ,THERAPEUTICS ,PULMONARY arterial hypertension ,REACTIVE oxygen species - Abstract
Cardiovascular diseases (CVDs) continue to exert a significant impact on global mortality rates, encompassing conditions like pulmonary arterial hypertension (PAH), atherosclerosis (AS), and myocardial infarction (MI). Oxidative stress (OS) plays a crucial role in the pathogenesis and advancement of CVDs, highlighting its significance as a contributing factor. Maintaining an equilibrium between reactive oxygen species (ROS) and antioxidant systems not only aids in mitigating oxidative stress but also confers protective benefits on cardiac health. Herbal monomers can inhibit OS in CVDs by activating multiple signaling pathways, such as increasing the activity of endogenous antioxidant systems and decreasing the level of ROS expression. Given the actions of herbal monomers to significantly protect the normal function of the heart and reduce the damage caused by OS to the organism. Hence, it is imperative to recognize the significance of herbal monomers as prospective therapeutic interventions for mitigating oxidative damage in CVDs. This paper aims to comprehensively review the origins and mechanisms underlying OS, elucidate the intricate association between CVDs and OS, and explore the therapeutic potential of antioxidant treatment utilizing herbal monomers. Furthermore, particular emphasis will be placed on examining the cardioprotective effects of herbal monomers by evaluating their impact on cardiac signaling pathways subsequent to treatment. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
23. Recommendations for addressing the translational gap between experimental and clinical research on amyloid diseases.
- Author
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Solomon, Miriam, Foderà, Vito, Langkilde, Annette Eva, Elliott, Perry, Tagliavini, Fabrizio, Forsyth, Trevor, Klementieva, Oxana, and Bellotti, Vittorio
- Abstract
This paper is a report of recommendations for addressing translational challenges in amyloid disease research. They were developed during and following an international online workshop organized by the LINXS Institute of Advanced Neutron and X-Ray Science in March 2021. Key suggestions include improving cross-cultural communication between basic science and clinical research, increasing the influence of scientific societies and journals (vis-à-vis funding agencies and pharmaceutical companies), improving the dissemination of negative results, and strengthening the ethos of science. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
24. Mapping knowledge translation and innovation processes in Cancer Drug Development: the case of liposomal doxorubicin.
- Author
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Fajardo-Ortiz, David, Duran, Luis, Moreno, Laura, Ochoa, Hector, and Castaño, Victor M.
- Subjects
DRUG development ,DOXORUBICIN ,GENE ontology ,METHODOLOGY ,DRUG delivery systems - Abstract
We explored how the knowledge translation and innovation processes are structured when theyresult in innovations, as in the case of liposomal doxorubicin research. In order to map the processes, a literature network analysis was made through Cytoscape and semantic analysis was performed by GOPubmed which is based in the controlled vocabularies MeSH (Medical Subject Headings) and GO (Gene Ontology). We found clusters related to different stages of the technological development (invention, innovation and imitation) and the knowledge translation process (preclinical, translational and clinical research), and we were able to map the historic emergence of Doxil as a paradigmatic nanodrug. This research could be a powerful methodological tool for decision-making and innovation management in drug delivery research. [ABSTRACT FROM AUTHOR]
- Published
- 2014
- Full Text
- View/download PDF
25. The generic Informed Consent Service gICS®: implementation and benefits of a modular consent software tool to master the challenge of electronic consent management in research.
- Author
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Rau, Henriette, Geidel, Lars, Bialke, Martin, Blumentritt, Arne, Langanke, Martin, Liedtke, Wenke, Pasewald, Sandra, Stahl, Dana, Bahls, Thomas, Maier, Christian, Prokosch, Hans-Ulrich, and Hoffmann, Wolfgang
- Subjects
INFORMED consent (Medical law) ,SOFTWARE development tools ,HUMAN research subjects ,GENERAL Data Protection Regulation, 2016 - Abstract
Background: Defining and protecting participants' rights is the aim of several ethical codices and legal regulations. According to these regulations, the Informed Consent (IC) is an inevitable element of research with human subjects. In the era of "big data medicine", aspects of IC become even more relevant since research becomes more complex rendering compliance with legal and ethical regulations increasingly difficult.Methods: Based on literature research and practical experiences gathered by the Institute for Community Medicine (ICM), University Medicine Greifswald, requirements for digital consent management systems were identified.Results: To address the requirements, the free-of-charge, open-source software "generic Informed Consent Service" (gICS®) was developed by ICM to provide a tool to facilitate and enhance usage of digital ICs for the international research community covering various scenarios. gICS facilitates IC management based on IC modularisation and supports various workflows within research, including (1) electronic depiction of paper-based consents and (2) fully electronic consents. Numerous projects applied gICS and documented over 336,000 ICs and 2400 withdrawals since 2014.Discussion: Since the consent's content is a prerequisite for securing participants' rights, application of gICS is no guarantee for legal compliance. However, gICS supports fine-granular consents and accommodation of differentiated consent states, which can be directly exchanged between systems, allowing automated data processing.Conclusion: gICS simplifies and supports sustained IC management as a major key to successfully conduct studies and build trust in research with human subjects. Therefore, interested researchers are invited to use gICS and provide feedback for further improvements. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
26. The interplay between androgens and the immune response in polycystic ovary syndrome.
- Author
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Shabbir, Sania, Khurram, Emaan, Moorthi, Vedhika Sathya, Eissa, Youssef Tamer Hassan, Kamal, Mohammad Azhar, and Butler, Alexandra E.
- Subjects
POLYCYSTIC ovary syndrome ,INDUCED ovulation ,IMMUNE response ,ANDROGEN receptors ,ANDROGENS ,INSULIN resistance - Abstract
Polycystic ovary syndrome (PCOS) is a metabolic-reproductive-endocrine disorder that, while having a genetic component, is known to have a complex multifactorial etiology. As PCOS is a diagnosis of exclusion, standardized criteria have been developed for its diagnosis. The general consensus is that hyperandrogenism is the primary feature of PCOS and is associated with an array of physiological dysfunctions; excess androgens, for example, have been correlated with cytokine hypersecretion, adipocyte proliferation, and signaling pathway dysregulation. Another key feature of PCOS is insulin resistance, resulting in aberrant glucose and fatty acid metabolism. Additionally, the immune system plays a key role in PCOS. Hyperandrogenism stimulates some immune cells while it inhibits others, thereby disrupting the normal balance of immune cells and creating a state of chronic inflammation. This low-grade inflammation could contribute to infertility since it induces ovarian dysfunction. This dysregulated immune response in PCOS exhibits autoimmunity characteristics that require further investigation. This review paper examines the relationship between androgens and the immune response and how their malfunction contributes to PCOS. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
27. An attempt to explain the neurological symptoms of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome.
- Author
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Wirth, Klaus J., Scheibenbogen, Carmen, and Paul, Friedemann
- Subjects
CHRONIC fatigue syndrome ,SYMPTOMS ,CEREBRAL circulation ,COGNITION disorders ,PERFUSION ,INTRACRANIAL pressure ,ENDOTHELIUM diseases - Abstract
There is accumulating evidence of endothelial dysfunction, muscle and cerebral hypoperfusion in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS). In this paper we deduce the pathomechanisms resulting in central nervous pathology and the myriad of neurocognitive symptoms. We outline tentative mechanisms of impaired cerebral blood flow, increase in intracranial pressure and central adrenergic hyperactivity and how they can well explain the key symptoms of cognitive impairment, brain fog, headache, hypersensitivity, sleep disturbances and dysautonomia. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
28. Integration and validation of host transcript signatures, including a novel 3-transcript tuberculosis signature, to enable one-step multiclass diagnosis of childhood febrile disease
- Author
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Channon-Wells, Samuel, Habgood-Coote, Dominic, Vito, Ortensia, Galassini, Rachel, Wright, Victoria J., Brent, Andrew J., Heyderman, Robert S., Anderson, Suzanne T., Eley, Brian, Martinón-Torres, Federico, Levin, Michael, Kaforou, Myrsini, and Herberg, Jethro A.
- Published
- 2024
- Full Text
- View/download PDF
29. Metabolic reprogramming of poly(morpho)nuclear giant cells determines glioblastoma recovery from doxorubicin-induced stress
- Author
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Pudełek, Maciej, Ryszawy, Damian, Piwowarczyk, Katarzyna, Lasota, Sławomir, Madeja, Zbigniew, Kędracka-Krok, Sylwia, and Czyż, Jarosław
- Published
- 2024
- Full Text
- View/download PDF
30. High positive predictive value of CNVs detected by clinical exome sequencing in suspected genetic diseases
- Author
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Zeng, Yimo, Ding, Hongke, Wang, Xingwang, Huang, Yanlin, Liu, Ling, Du, Li, Lu, Jian, Wu, Jing, Zeng, Yukun, Mai, Mingqin, Zhu, Juan, Yu, Lihua, He, Wei, Guo, Fangfang, Peng, Haishan, Yao, Cuize, Qi, Yiming, Liu, Yuan, Li, Fake, Yang, Jiexia, Hu, Rong, Liang, Jie, Wang, Jicheng, Wang, Wei, Zhang, Yan, and Yin, Aihua
- Published
- 2024
- Full Text
- View/download PDF
31. The HHEX-ABI2/SLC17A9 axis induces cancer stem cell-like properties and tumorigenesis in HCC
- Author
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Li, Huizi, Liu, Jin, Lai, Jie, Su, Xinyao, Wang, Xiaofeng, Cao, Jiaqing, Mao, Shengxun, Zhang, Tong, and Gu, Qiuping
- Published
- 2024
- Full Text
- View/download PDF
32. CRISPR-Cas and CRISPR-based screening system for precise gene editing and targeted cancer therapy
- Author
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Qin, Mingming, Deng, Chunhao, Wen, Liewei, Luo, Guoqun, and Meng, Ya
- Published
- 2024
- Full Text
- View/download PDF
33. Mechanism of action, potency and efficacy: considerations for cell therapies
- Author
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Simon, Jr., Carl G., Bozenhardt, Erich H., Celluzzi, Christina M., Dobnik, David, Grant, Melanie L., Lakshmipathy, Uma, Nebel, Thiana, Peltier, Linda, Ratcliffe, Anthony, Sherley, James L., Stacey, Glyn N., Taghizadeh, Rouzbeh R., Tan, Eddie H. P., and Vessillier, Sandrine
- Published
- 2024
- Full Text
- View/download PDF
34. Potential value of CT-based comprehensive nomogram in predicting occult lymph node metastasis of esophageal squamous cell paralaryngeal nerves: a two-center study
- Author
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Xue, Ting, Wan, Xinyi, Zhou, Taohu, Zou, Qin, Ma, Chao, and Chen, Jieqiong
- Published
- 2024
- Full Text
- View/download PDF
35. Large-scale genome-wide association studies reveal the genetic causal etiology between air pollutants and autoimmune diseases
- Author
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Wen, Jie, Zhang, Jingwei, Zhang, Hao, Zhang, Nan, Lei, Ruoyan, Deng, Yujia, Cheng, Quan, Li, He, and Luo, Peng
- Published
- 2024
- Full Text
- View/download PDF
36. The interaction of platelet-related factors with tumor cells promotes tumor metastasis
- Author
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Xue, Jie, Deng, Jianzhao, Qin, Hongwei, Yan, Songxia, Zhao, Zhen, Qin, Lifeng, Liu, Jiao, and Wang, Haiyan
- Published
- 2024
- Full Text
- View/download PDF
37. Identification of novel protein biomarkers from the blood and urine for the early diagnosis of bladder cancer via proximity extension analysis
- Author
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Kong, Tong, Qu, Yang, Zhao, Taowa, Niu, Zitong, Lv, Xiuyi, Wang, Yiting, Ding, Qiaojiao, Wei, Pengyao, Fu, Jun, Wang, Liang, Gao, Jing, Zhou, Cheng, Wang, Suying, Jiang, Junhui, Zheng, Jianping, Wang, Kaizhe, and Wu, Kerong
- Published
- 2024
- Full Text
- View/download PDF
38. Kynurenine in IDO1high cancer cell-derived extracellular vesicles promotes angiogenesis by inducing endothelial mitophagy in ovarian cancer
- Author
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Ying, Xiang, Zheng, Xiaocui, Zhang, Xiaoqian, Yin, Yujia, and Wang, Xipeng
- Published
- 2024
- Full Text
- View/download PDF
39. The clinical efficacy and safety of berberine in the treatment of non-alcoholic fatty liver disease: a meta-analysis and systematic review
- Author
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Nie, Qilong, Li, Mingyang, Huang, Caiyang, Yuan, Yongwei, Liang, Qiuyan, Ma, Xiaojun, Qiu, Tengyu, and Li, Jianhong
- Published
- 2024
- Full Text
- View/download PDF
40. Asthma prediction via affinity graph enhanced classifier: a machine learning approach based on routine blood biomarkers
- Author
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Li, Dejing, Abhadiomhen, Stanley Ebhohimhen, Zhou, Dongmei, Shen, Xiang-Jun, Shi, Lei, and Cui, Yubao
- Published
- 2024
- Full Text
- View/download PDF
41. Unraveling the underlying pathogenic factors driving nonalcoholic steatohepatitis and hepatocellular carcinoma: an in-depth analysis of prognostically relevant gene signatures in hepatocellular carcinoma
- Author
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Ni, Yuan, Lu, Maoqing, Li, Ming, Hu, Xixi, Li, Feng, Wang, Yan, and Xue, Dong
- Published
- 2024
- Full Text
- View/download PDF
42. (Pro)renin receptor mediates tubular epithelial cell pyroptosis in diabetic kidney disease via DPP4-JNK pathway
- Author
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Xie, Shiying, Song, Shicong, Liu, Sirui, Li, Qiong, Zou, Wei, Ke, Jianting, and Wang, Cheng
- Published
- 2024
- Full Text
- View/download PDF
43. Red blood cell-derived arginase release in hemolytic uremic syndrome
- Author
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Friberg, Niklas, Arvidsson, Ida, Tontanahal, Ashmita, Kristoffersson, Ann-Charlotte, Gram, Magnus, Kaplan, Bernard S., and Karpman, Diana
- Published
- 2024
- Full Text
- View/download PDF
44. Correction to: Testosterone induces renal tubular epithelial cell death through the HIF-1α/BNIP3 pathway.
- Author
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Peng, Yonghan, Fang, Ziyu, Liu, Min, Wang, Zeyu, Li, Ling, Ming, Shaoxiong, Lu, Chaoyue, Dong, Hao, Zhang, Wenhui, Wang, Qi, Shen, Rong, Xie, Fei, Zhang, Weitao, Yang, Cheng, Gao, Xiaofeng, and Sun, Yinghao
- Subjects
EPITHELIAL cells ,CELL death ,TESTOSTERONE - Abstract
An amendment to this paper has been published and can be accessed via the original article. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
45. Automatic segmentation of the gross target volume in radiotherapy for lung cancer using transresSEUnet 2.5D Network.
- Author
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Xie, Hui, Chen, Zijie, Deng, Jincheng, Zhang, Jianfang, Duan, Hanping, and Li, Qing
- Subjects
LUNG cancer ,CANCER radiotherapy ,LUNG volume ,IMAGE segmentation ,COMPUTED tomography ,MIRROR images ,DIGITAL image processing ,LUNG tumors ,RESEARCH funding - Abstract
Objective: This paper intends to propose a method of using TransResSEUnet2.5D network for accurate automatic segmentation of the Gross Target Volume (GTV) in Radiotherapy for lung cancer.Methods: A total of 11,370 computed tomograms (CT), deriving from 137 cases, of lung cancer patients under radiotherapy developed by radiotherapists were used as the training set; 1642 CT images in 20 cases were used as the validation set, and 1685 CT images in 20 cases were used as the test set. The proposed network was tuned and trained to obtain the best segmentation model and its performance was measured by the Dice Similarity Coefficient (DSC) and with 95% Hausdorff distance (HD95). Lastly, as to demonstrate the accuracy of the automatic segmentation of the network proposed in this study, all possible mirrors of the input images were put into Unet2D, Unet2.5D, Unet3D, ResSEUnet3D, ResSEUnet2.5D, and TransResUnet2.5D, and their respective segmentation performances were compared and assessed.Results: The segmentation results of the test set showed that TransResSEUnet2.5D performed the best in the DSC (84.08 ± 0.04) %, HD95 (8.11 ± 3.43) mm and time (6.50 ± 1.31) s metrics compared to the other three networks.Conclusions: The TransResSEUnet 2.5D proposed in this study can automatically segment the GTV of radiotherapy for lung cancer patients with more accuracy. [ABSTRACT FROM AUTHOR]- Published
- 2022
- Full Text
- View/download PDF
46. The effects of probiotic administration on patients with prediabetes: a meta-analysis and systematic review.
- Author
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Li, Ya, Wu, You, Wu, Lili, Qin, Lingling, and Liu, Tonghua
- Abstract
Background: This paper aimed to examine the effects of probiotics on eight factors in the prediabetic population by meta-analysis, namely, fasting blood glucose (FBG), glycated haemoglobin A1c (HbA1c), homeostatic model assessment of insulin resistance (HOMA-IR), quantitative insulin sensitivity check index (QUICKI), total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C), and the mechanisms of action are summarized from the existing studies.Methods: Seven databases (PubMed, Web of Science, Embase, Cochrane Library, SinoMed, CNKI, and Wanfang Med) were searched until March 2022. Review Manager 5.4 was used for meta-analysis. The data were analysed using weighted mean differences (WMDs) or standardized mean differences (SMDs) under a fixed effect model to observe the efficacy of probiotic supplementation on the included indicators.Results: Seven publications with a total of 460 patients were included. According to the meta-analysis, probiotics were able to significantly decrease the levels of HbA1c (WMD, -0.07; 95% CI -0.11, -0.03; P = 0.001), QUICKI (WMD, 0.01; 95% CI 0.00, 0.02; P = 0.04), TC (SMD, -0.28; 95% CI -0.53, -0.22; P = 0.03), TG (SMD, -0.26; 95% CI -0.52, -0.01; P = 0.04), and LDL-C (WMD, -8.94; 95% CI -14.91, -2.97; P = 0.003) compared to levels in the placebo group. The effects on FBG (WMD, -0.53; 95% CI -2.31, 1.25; P = 0.56), HOMA-IR (WMD, -0.21; 95% CI -0.45, 0.04; P = 0.10), and HDL-C (WMD, 2.05; 95% CI -0.28, 4.38; P = 0.08) were not different from those of the placebo group.Conclusion: The present study clearly indicated that probiotics may fulfil an important role in the regulation of HbA1c, QUICKI, TC, TG and LDL-C in patients with prediabetes. In addition, based on existing studies, we concluded that probiotics may regulate blood glucose homeostasis in a variety of ways.Trial Registration: This meta-analysis has been registered at PROSPERO with ID: CRD42022321995. [ABSTRACT FROM AUTHOR]- Published
- 2022
- Full Text
- View/download PDF
47. A systematic review and meta-analysis of 235delC mutation of GJB2 gene.
- Author
-
Jun Yao, Yajie Lu, Qinjun Wei, Xin Cao, and Guangqian Xing
- Subjects
GENETIC mutation ,META-analysis ,DEAFNESS ,AUDIOLOGY ,EAR diseases - Abstract
Background: The 235delC mutation of GJB2 gene is considered as a risk factor for the non-syndromic hearing loss (NSHL), and a significant difference in the frequency and distribution of the 235delC mutation has been described world widely. Methods: A systematic review was performed by means of a meta-analysis to evaluate the influence of the 235delC mutation on the risk of NSHL. A literature search in electronic databases using keywords "235delC", "GJB2" associated with "carrier frequency" was conducted to include all papers from January 1999 to June 2011. A total of 36 papers were included and there contained 13217 cases and 6521 controls derived from Oceania, American, Europe and Asian. Results: A remarkable heterogeneity between these studies was observed. The combined results of meta-analysis showed that the 235delC mutant increased the risk of NSHL (OR = 7.9, 95%CI 4.77 ~ 13.11, P <0.00001). Meanwhile, heterogeneity of genetic effect was also observed due to the ethnic specificity and regional disparity. Therefore, the stratified meta-analysis was subsequently conducted and the results indicated that the 235delC mutation was significantly correlated with the risk of NHSL in the East Asian and South-east Asian populations (OR = 12.05, 95%CI 8.33~17.44, P <0.00001), but not significantly in the Oceania and European populations (OR = 10.36, 95%CI: 4.68~22.96, Z = 1.68, P >0.05). Conclusions: The 235delC mutation of GJB2 gene increased the risk of NHSL in the East Asian and South-east Asian populations, but non-significantly associated with the NSHL susceptibility in Oceania and European populations, suggesting a significant ethnic specificity of this NSHL-associated mutation. [ABSTRACT FROM AUTHOR]
- Published
- 2012
- Full Text
- View/download PDF
48. Animal to human translation: a systematic scoping review of reported concordance rates
- Author
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Leenaars, Cathalijn H. C., Kouwenaar, Carien, Stafleu, Frans R., Bleich, André, Ritskes-Hoitinga, Merel, De Vries, Rob B. M., and Meijboom, Franck L. B.
- Published
- 2019
- Full Text
- View/download PDF
49. Designing and piloting a generic research architecture and workflows to unlock German primary care data for secondary use.
- Author
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Bahls, Thomas, Pung, Johannes, Heinemann, Stephanie, Hauswaldt, Johannes, Demmer, Iris, Blumentritt, Arne, Rau, Henriette, Drepper, Johannes, Wieder, Philipp, Groh, Roland, Hummers, Eva, and Schlegelmilch, Falk
- Subjects
GENERAL Data Protection Regulation, 2016 ,SECONDARY care (Medicine) ,PRIMARY care ,SECONDARY analysis ,DATA integration ,WORKFLOW software ,COMPLIANT mechanisms ,COMPUTER software ,RESEARCH ,RESEARCH methodology ,MEDICAL cooperation ,EVALUATION research ,PRIMARY health care ,COMPARATIVE studies ,SYSTEM analysis - Abstract
Background: Medical data from family doctors are of great importance to health care researchers but seem to be locked in German practices and, thus, are underused in research. The RADAR project (Routine Anonymized Data for Advanced Health Services Research) aims at designing, implementing and piloting a generic research architecture, technical software solutions as well as procedures and workflows to unlock data from family doctor's practices. A long-term medical data repository for research taking legal requirements into account is established. Thereby, RADAR helps closing the gap between the European countries and to contribute data from primary care in Germany.Methods: The RADAR project comprises three phases: (1) analysis phase, (2) design phase, and (3) pilot. First, interdisciplinary workshops were held to list prerequisites and requirements. Second, an architecture diagram with building blocks and functions, and an ordered list of process steps (workflow) for data capture and storage were designed. Third, technical components and workflows were piloted. The pilot was extended by a data integration workflow using patient-reported outcomes (paper-based questionnaires).Results: The analysis phase resulted in listing 17 essential prerequisites and guiding requirements for data management compliant with the General Data Protection Regulation (GDPR). Based on this list existing approaches to fulfil the RADAR tasks were evaluated-for example, re-using BDT interface for data exchange and Trusted Third Party-approach for consent management and record linkage. Consented data sets of 100 patients were successfully exported, separated into person-identifying and medical data, pseudonymised and saved. Record linkage and data integration workflows for patient-reported outcomes in the RADAR research database were successfully piloted for 63 responders.Conclusion: The RADAR project successfully developed a generic architecture together with a technical framework of tools, interfaces, and workflows for a complete infrastructure for practicable and secure processing of patient data from family doctors. All technical components and workflows can be reused for further research projects. Additionally, a Trusted Third Party-approach can be used as core element to implement data privacy protection in such heterogeneous family doctor's settings. Optimisations identified comprise a fully-electronic consent recording using tablet computers, which is part of the project's extension phase. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
50. Human platelet lysate to substitute fetal bovine serum in hMSC expansion for translational applications: a systematic review.
- Author
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Guiotto, M., Raffoul, W., Hart, A. M., Riehle, M. O., and di Summa, P. G.
- Subjects
MESENCHYMAL stem cells ,META-analysis ,BLOOD platelets ,SERUM ,ADIPOSE tissues - Abstract
Background: Foetal bovine serum (FBS), is the most commonly used culture medium additive for in vitro cultures, despite its undefined composition, its potential immunogenicity and possible prion/zoonotic transmission. For these reasons, significant efforts have been targeted at finding a substitute, such as serum free-media or human platelet-lysates (hPL). Our aim is to critically appraise the state-of-art for hPL in the published literature, comparing its impact with FBS.Materials and Methods: In June 2019 a systematic search of the entire Web of Science, Medline and PubMed database was performed with the following search terms: (mesenchymal stem cells) AND (fetal bovine serum OR fetal bovine calf) AND (human platelet lysate). Excluded from this search were review articles that were published before 2005, manuscripts in which mesenchymal stem cells (MSCs) were not from human sources, and when the FBS controls were missing.Results: Based on our search algorithm, 56 papers were selected. A review of these papers indicated that hMSCs cultured with hPL showed a spindle-shaped elongated morphology, had higher proliferation indexes, similar cluster of differentiation (CD) markers and no significant variation in differentiation lineage (osteocyte, adipocyte, and chondrocyte) compared to those cultured with FBS. Main sources of primary hMSCs were either fat tissue or bone marrow; in a few studies cells isolated from alternative sources showed no relevant difference in their response.Conclusion: Despite the difference in medium choice and a lack of standardization of hPL manufacturing, the majority of publications support that hPL was at least as effective as FBS in promoting adhesion, survival and proliferation of hMSCs. We conclude that hPL should be considered a viable alternative to FBS in hMSCs culture-especially with a view for their clinical use. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
- View/download PDF
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