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T helper (Th) type 17 cells are a recently described CD4 T-cell subset that may contribute to allograft rejection and act as a barrier to the induction of transplant tolerance. This review examines the involvement of Th17 cells in transplant rejection, how immunosuppressive medication may affect their induction and maintenance and the potential plasticity of developing Th17 cells. It also addresses the complex interplay between the Th17 and regulatory T-cell developmental pathways and the susceptibility of Th17 cells to regulation. Despite accumulating evidence, the precise impact of Th17 cells on transplant rejection and the induction of tolerance require further clarification.
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http://dx.doi.org/10.1097/TP.0b013e3182126eeb | DOI Listing |
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 PDFTurkiye Parazitol Derg
September 2025
Ege University Faculty of Medicine, Department of Parasitology, İzmir, Türkiye.
Objective: Leishmaniasis, caused by protozoan parasites of the spp., presents significant global health challenges, with visceral leishmaniasis (VL) and cutaneous leishmaniasis forms causing severe morbidity and mortality. Macrophages serve as primary host cells, where spp.
View Article and Find Full Text PDFJCI Insight
September 2025
Arthur D. Riggs Diabetes and Metabolism Research Institute, The Beckman Research Institute, and.
Steroid-refractory gut acute graft-versus-host disease (SR-Gut-aGVHD) is the major cause of nonrelapse death after allogeneic hematopoietic cell transplantation. High numbers of donor-type IL-22+ T cells, IL-22-dependent dysbiosis, and loss of antiinflammatory CX3CR1hi mononuclear phagocytes (MNPs) play critical roles in SR-Gut-aGVHD pathogenesis. CEACAM1 on intestinal epithelial cells (IECs) is proposed to regulate bacterial translocation and subsequent immune responses in the intestine.
View Article and Find Full Text PDFJ Inflamm Res
September 2025
Department of the Head and Neck, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Peking University Cancer Hospital Yunnan, Kunming, People's Republic of China.
Background: Immune escape of tumor cells is a common problem with tumor photothermal therapy utilizing gold nanorods (Au NRs). Whether CpG ODN, an immune adjuvant, can synergize with Au NRs to activate the immune response and its potential mechanism is not clear.
Methods: The effect of Au NRs combined with CpG ODN (Au NRs-C) on the activity of various immune-related cells, such as double-positive T cells, macrophages, NK cells, Th17, and Treg.
Crit Rev Immunol
September 2025
Department of Biochemistry, University of Kerala, Kariavattom, Thiruvananthapuram, Kerala, India 695581.
Rheumatoid arthritis (RA) is a chronic autoimmune condition that impacts the immune system, especially through changes in the splenic immune cell system. This review provides an overview of the role of splenocytes in T cell signaling and their immune response in RA patients. The spleen acts as a critical site for the activation and differentiation of splenic immune cells like T cells, B cells, macrophages, dendritic cells, and NK cells.
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