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Early-Life Respiratory Syncytial Virus (RSV) Infection Triggers Immunological Changes in Gut-Associated Lymphoid Tissues in a Sex-Dependent Manner in Adulthood.
Cells
October 2024
Centre for Respiratory Science and Health, Royal Melbourne Institute of Technology (RMIT) University, Bundoora, VIC 3082, Australia.
Severe respiratory syncytial virus (RSV) infection during early life has been linked to gut dysbiosis, which correlates with increased disease severity and a higher risk of developing asthma later in life. However, the impact of such early-life RSV infections on intestinal immunity in adulthood remains unclear. Herein, we show that RSV infection in 3-week-old mice induced persistent differential natural killer (NK) and T cell profiles within the lungs and gastrointestinal (GI) lymphoid tissues (GALT) in adulthood.
View Article and Find Full Text PDFGut commensals require Peyer's patches to induce protective systemic IgA responses.
Res Sq
May 2024
Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY.
Gut educated IgA secreting plasma cells that disseminate beyond the mucosa and into systemic tissues have been described as providing beneficial effects from disease in several contexts. Several bacteria have been implicated in the induction of systemic IgA, however the mechanisms that result in differential levels of induction by each bacterial species are still unknown. Here we show, the commensal bacteria, (), is an efficient inducer of systemic IgA responses.
View Article and Find Full Text PDFAppendectomy Mitigates Coxsackievirus B3-Induced Viral Myocarditis.
Viruses
September 2023
Jiangsu Provincial Key Laboratory of Infection and Immunity, Institute of Biology and Medical Sciences, Soochow University, Suzhou 215123, China.
Appendix has a distinct abundance of lymphatic cells and serves as a reservoir of microbiota which helps to replenish the large intestine with healthy flora. And it is the primary site of IgA induction, which shapes the composition of the intestinal microbiota. Recent population-based cohort studies report that appendectomy is associated with an increased risk of acute myocardial infarction and ischemic heart disease.
View Article and Find Full Text PDFInfluenza A virus infection during pregnancy causes immunological changes in gut-associated lymphoid tissues of offspring mice.
Am J Physiol Gastrointest Liver Physiol
September 2023
School of Health and Biomedical Sciences, Royal Melbourne Institute of Technology University, Bundoora, Victoria, Australia.
Maternal influenza A virus (IAV) infection during pregnancy can affect offspring immune programming and development. Offspring born from influenza-infected mothers are at increased risk of neurodevelopmental disorders and have impaired respiratory mucosal immunity against pathogens. The gut-associated lymphoid tissue (GALT) represents a large proportion of the immune system in the body and plays an important role in gastrointestinal (GI) homeostasis.
View Article and Find Full Text PDFTransureteroureterostomy as an adjunctive antireflux procedure in children undergoing bladder augmentation for neurogenic bladder with major reflux.
J Pediatr Urol
April 2020
Department of Paediatric Surgery, Christian Medical College, Vellore, India; Department of Paediatric Surgery, PSG Medical College and Hospital, Coimbatore, India.
Introduction: Transureteroureterostomy (TUU) provides urinary drainage of both renal systems to the bladder via a single ureter and is useful in selected situations of complex urological reconstructions. Herein we discuss its use, advantages and complications in children with neurogenic bladders and high-grade (4/5) reflux who have undergone augmentation cystoplasty.
Patients And Methods: Children with neurogenic bladder complicated by unilateral or bilateral high-grade vesicoureteric reflux (VUR), who underwent TUU along with augmentation cystoplasty (BA), were selected from two institutions.
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