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Although the function of the circulating immune cell compartment has been studied in detail for decades, limitations in terms of access and cell yields from peripheral tissues have restricted our understanding of tissue-based immunity, particularly in humans. Recent advances in high-throughput protein analyses, transcriptional profiling, and epigenetics have partially overcome these obstacles. Innate lymphoid cells (ILCs) are predominantly tissue-resident, and accumulating data indicate that they have significant tissue-specific functions. We summarize current knowledge of ILC phenotypes in various tissues in mice and humans, aiming to clarify ILC immunity in distinct anatomical locations.
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http://dx.doi.org/10.1016/j.it.2020.08.009 | DOI Listing |
Immunooncol Technol
September 2025
Division of Tumor Biology & Immunology, The Netherlands Cancer Institute, Amsterdam, The Netherlands.
Background: Breast cancer is a systemic disease, yet the impact of tumor molecular subtype and disease stage on the systemic immune landscape remains poorly understood. In this study, we comprehensively analyzed the systemic immune landscape in a large cohort of breast cancer patients, encompassing all molecular subtypes and disease stages, alongside a control group of healthy donors.
Materials And Methods: Using multi-parameter flow cytometry, we assessed the abundance, phenotype, and activation status of diverse innate and adaptive immune cell populations across peripheral blood samples from 355 breast cancer patients and 65 healthy donors.
Inflamm Bowel Dis
September 2025
Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.
Background: Ulcerative colitis (UC) is a gastrointestinal inflammatory condition with an unclear etiology. Recent findings suggest that metabolites play a pivotal role in promoting intestinal health. We have previously observed a significant enrichment in colonic branched-chain amino acids (BCAAs) in resistant mice to colitis suggesting the potential role of these metabolites in UC development.
View Article and Find Full Text PDFClin Exp Immunol
September 2025
Mucosal Immunology Lab, Department of Paediatrics and Immunology. Universidad de Valladolid. Valladolid. Spain.
Introduction: Although Coeliac disease (CD) current and only treatment is a life-long strict gluten free diet (GFD), some patients suffer from persistent duodenal lesions despite years into the diet. Hence, we aimed to study the effect that the GFD elicits on the mucosal immune infiltrate from these patients.
Method: To that end, duodenal biopsies were collected from non-coeliac controls and CD patients, both at diagnosis and after at least one year into the GFD.
Eur J Intern Med
September 2025
Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy; Istituti Clinici Scientifici ICS Maugeri - S.p.A.-Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Scientifico di Telese Terme, Telese, Italy. Electronic address:
The fraction that the elderly represent in the world's population is growing rapidly; numerous alterations that impact all organs and systems, including the immune system, are related to aging. A complex process common in the elderly, known as immunosenescence, is characterized by a decreased ability to respond to vaccination as well as an increased risk of bacterial and viral infections, autoimmune, cardiovascular and neurodegenerative diseases. These processes are associated with alterations in the innate and adaptive immune system and lead to a condition of chronic low-grade inflammation, referred to as inflammaging.
View Article and Find Full Text PDFLancet Respir Med
September 2025
Department for Paediatric Pneumology, Allergology, and Neonatology and German Center for Lung Research, Biomedical Research in Endstage and Obstructive Lung Disease, Hannover Medical School, 30625 Hannover, Germany. Electronic address: