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Metabolically activated and highly polyfunctional intratumoral VISTA regulatory B cells are associated with tumor recurrence in early-stage NSCLC.
Mol Cancer
January 2025
Department of Medical and Surgical Sciences for Children and Adults, University of Modena and Reggio Emilia, via Campi, 287, Modena, 41125, Italy.
B cells have emerged as central players in the tumor microenvironment (TME) of non-small cell lung cancer (NSCLC). However, although there is clear evidence for their involvement in cancer immunity, scanty data exist on the characterization of B cell phenotypes, bioenergetic profiles and possible interactions with T cells in the context of NSCLC. In this study, using polychromatic flow cytometry, mass cytometry, and spatial transcriptomics we explored the intricate landscape of B cell phenotypes, bioenergetics, and their interaction with T cells in NSCLC.
View Article and Find Full Text PDFRegulatory B cells in parasitic infections: roles and therapeutic potential.
Parasitol Res
January 2025
School of Basic Medicine, Zunyi Medical University, Zunyi, China.
Parasitic infection is a complex process involving interactions among various immune cells. Regulatory B cells (Breg cells), a subset of B lymphocytes with immunosuppressive functions, play a role in modulating immune responses during infection to prevent excessive immune activation. This article reviews the origin, phenotype, and immunoregulatory mechanisms of Breg cells.
View Article and Find Full Text PDFObjective: To determine the value of lymphocyte subsets and granulocyte/monocyte surface markers in predicting the risk of post-acute pancreatitis diabetes (PPDM-A).
Methods: This study included 308 in patients with acute pancreatitis (AP). The markers of granulocytes and monocytes and lymphocyte subsets were detected by flow cytometry, and the fluorescence intensity, absolute count and percentage were obtained.
Identification of B Cell Subpopulations with Pro- and Anti-Tumorigenic Properties in an Immunocompetent Mouse Model of Head and Neck Squamous Cell Carcinoma.
Cells
December 2024
Department of Otorhinolaryngology, Ulm University Medical Center, 89075 Ulm, Germany.
Due to their high developmental diversity and different regulatory and functional roles, B cell subpopulations can promote or inhibit tumor growth. An orthotopic murine HNSCC model was applied to investigate the B cell composition and function in HNSCCs. Using flow cytometry approaches, cells from the spleen, lymph nodes and tumors were analyzed.
View Article and Find Full Text PDFThe role of B cells in the pathogenesis of type 1 diabetes.
Front Immunol
January 2025
Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China.
Type 1 diabetes (T1D) is a metabolic disorder caused by a complete lack of insulin, primarily manifested by hyperglycemia. The mechanisms underlying the onset of T1D are complex, involving genetics, environment, and various unknown factors, leading to the infiltration of various immune components into the islets. Besides T cells, B cells are now considered important contributors to the pathogenesis of T1D, according to recent studies.
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