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Biomarkers reflecting disturbed gut barrier under treatment with TNF inhibitors in radiographic axial spondyloarthritis.
RMD Open
December 2024
Department of Gastroenterology, Infectiology and Rheumatology (including Nutrition Medicine), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
Objectives: The objective of this study is to investigate lipopolysaccharid-binding protein (LBP), zonulin and calprotectin as markers of bacterial translocation, disturbed gut barrier and intestinal inflammation in patients with radiographic axial spondyloarthritis (r-axSpA) during tumour necrosis factor inhibitor (TNFi) therapy and to analyze the association between disease activity, response to treatment and biomarker levels.
Methods: Patients with active r-axSpA of the German Spondyloarthritis Inception Cohort starting TNFi were compared with controls with chronic back pain. Serum levels of LBP, zonulin and calprotectin were measured at baseline and after 1 year of TNFi therapy.
Influence of HLA-G 3' Untranslated Region Haplotypes and SNP +3422 Gene Variants as Host Genetic Factors on the Outcomes of SARS-CoV-2 Infection During Acute and Post-Acute Phases in a German Cohort.
HLA
December 2024
Institute for Transfusion Medicine, University Hospital Essen, University Duisburg-Essen, Essen, Germany.
HLA-G, an important immune-checkpoint (IC) molecule that exerts inhibitory signalling on immune effector cells, has been suggested to represent a key player in regulating the immune response to Severe Acute Respiratory Syndrome Coronavirus Type 2 (SARS-CoV-2). Since specific single-nucleotide polymorphisms (SNP) in the HLA-G 3'untranslated region (UTR), which arrange as haplotypes, are crucial for the regulation of HLA-G expression, we analysed the contribution of these genetic variants as host factors in SARS-CoV-2 infection during acute and post-acute phases. HLA-G gene polymorphisms in the 3'UTR were investigated by sequencing in an unvaccinated Coronavirus Disease 2019 (COVID-19) cohort during acute SARS-CoV-2 infection (N = 505) and in the post-acute phase (N = 253).
View Article and Find Full Text PDFIntestinal permeability biomarkers in patients with schizophrenia: Additional support for the impact of lifestyle habits.
Eur Psychiatry
December 2024
Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain.
Background: Emerging evidence suggests a potential association between "leaky gut syndrome" and low-grade systemic inflammation in individuals with psychiatric disorders, such as schizophrenia. Gut dysbiosis could increase intestinal permeability, allowing the passage of toxins and bacteria into the systemic circulation, subsequently triggering immune-reactive responses. This study delves into understanding the relationship between plasma markers of intestinal permeability and symptom severity in schizophrenia.
View Article and Find Full Text PDFPatient-reported outcomes after CAR T-cell therapy in patients with hematological malignancies.
Hematology Am Soc Hematol Educ Program
December 2024
University of Texas M.D. Anderson Cancer Center, Houston, TX.
The remarkable improvement in survival among individuals with hematological malignancies receiving chimeric antigen receptor (CAR) T-cell therapy has highlighted the growing unmet need to incorporate patient-centered assessments in management guidelines for these patients. That CAR T-cell therapy is associated with unique toxicities and relatively high symptom burden in the first few weeks after cell infusion is well known. Magnifying the patient's voice by using patient-reported outcomes (PROs) might support personalized intervention in the acute-care setting, optimize the use of medical resources, improve satisfaction with therapy, and enhance survival benefit.
View Article and Find Full Text PDFSystems Immunology Approaches to Understanding Immune Responses in Acute Infection of Yellow Fever Patients.
J Med Virol
December 2024
Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.
In the 2018 yellow fever (YF) outbreak in Brazil, we generated new transcriptomic data and combined it with clinical and immunological data to decode the pathogenesis of YF. Analyzing 79 patients, we found distinct gene expression patterns between acute YF, other viral infections, and the milder YF-17D vaccine infection. We identified a critical role for low-density, immature neutrophils in severe outcomes, marked by the downregulation of genes essential for neutrophil migration and maturation, such as PADI4, CSF3R, and ICAM1, in deceased patients.
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