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Impact of Organ Donor Pretreatment With Anti-Thymocyte Globulin in a Murine Model of Allogenic Kidney Transplantation.
Transpl Int
January 2025
Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department for General and Visceral Surgery, Berlin, Germany.
Kidney transplantation is the treatment of choice for end-stage organ failure. To improve transplantation outcomes, particularly of "marginal" organs from extended criteria donors (ECD), attempts have been made to therapeutically modulate donor or graft pre-transplantation. Anti-thymocyte globulin (ATG) has a history as lymphocyte-depleting, immunosuppressive drug for treating rejection episodes post transplantation.
View Article and Find Full Text PDFA 37-Color Spectral Flow Cytometric Panel to Assess Transcription Factors and Chemokine Receptors in Human Intestinal Lymphoid Cells.
Cytometry A
January 2025
Department of Immunology, Leiden University Medical Center, Leiden, The Netherlands.
We have developed a 37-color spectral flow cytometry panel to assess the phenotypical differentiation of innate and adaptive immune lymphoid subsets within human intestinal tissue. In addition to lineage markers for identifying innate lymphoid cells (ILC), TCRγδ, MAIT (mucosal-associated invariant T), natural killer (NK), CD4 and CD8 T cells, we incorporated markers of differentiation and activation (CD45RA, CD45RO, CD25, CD27, CD38, CD39, CD69, CD103, CD127, CD161, HLA-DR, CTLA-4 [CD152]), alongside transcription factors (Bcl-6, FoxP3, GATA-3, Helios, T-bet, PU.1 and RORγt) and chemokine receptors (CCR4, CCR6, CCR7, CXCR3, and CXCR5).
View Article and Find Full Text PDFPostprandial parasympathetic signals promote lung type 2 immunity.
Neuron
January 2025
PTN Graduate Program, Peking University Third Hospital Cancer Center, Center for Life Sciences, IDG/McGovern Institute for Brain Research, State Key Laboratory of Membrane Biology, School of Life Sciences, Peking University, Beijing 100871, China; Peking Union Medical College Hospital, Beijing 100730, China. Electronic address:
Lung type 2 immunity protects against pathogenic infection, but its dysregulation causes asthma. Although it has long been observed that symptoms of asthmatic patients often become exaggerated following food intake, the pathophysiological mechanism underlying this postprandial phenomenon is incompletely understood. Here, we report that lung type 2 immunity in mice is enhanced after feeding, which correlates with parasympathetic activation.
View Article and Find Full Text PDFFiber- and acetate-mediated modulation of MHC-II expression on intestinal epithelium protects from Clostridioides difficile infection.
Cell Host Microbe
January 2025
Department of Pathology and Immunology, Washington University School of Medicine in St. Louis, Saint Louis, MO 63110, USA. Electronic address:
Here, we explore the relationship between dietary fibers, colonic epithelium major histocompatibility complex class II (MHC-II) expression, and immune cell interactions in regulating susceptibility to Clostridioides difficile infection (CDI). We find that a low-fiber diet increases MHC-II expression in the colonic epithelium, which, in turn, worsens CDI by promoting the development of pathogenic CD4 intraepithelial lymphocytes (IELs). The influence of dietary fibers on MHC-II expression is mediated by its metabolic product, acetate, and its receptor, free fatty acid receptor 2 (FFAR2).
View Article and Find Full Text PDFIn vitro ILC differentiation from human HSCs.
Methods Cell Biol
January 2025
Innate Lymphoid Cells Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.
The Innate Lymphoid Cells (ILCs) are a family of innate immune cells composed by the Natural Killer (NK) cells and the helper ILCs (hILCs) (ILC1, ILC2, ILC3), both developing from a common ILC precursor (ILCP) derived from hematopoietic stem cells (HSCs). A correct ILC reconstitution is crucial, particularly in patients receiving HSC transplantation (HSCT), the only therapeutic option for many adult and pediatric high-risk hematological malignancies. Indeed, mainly thanks to their cytotoxic activity, NK cells have a strong Graft-versus-Leukemia (GvL) effect.
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