The current status of research on the major histocompatibility complex of the goat (GLA) is discussed, as well as its similarities to other species, although some of the results are preliminary.
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| http://dx.doi.org/10.1111/j.1365-2052.1979.tb01015.x | DOI Listing |
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Citrullinated Autoantigen-Specific T and B Lymphocytes in Rheumatoid Arthritis: Focus on Follicular T Helper Cells and Expansion by Coculture.
ACR Open Rheumatol
January 2025
ISAR Bioscience GmbH, Planegg, Germany.
Objective: Rheumatoid arthritis (RA) is characterized by circulating anti-cyclic citrullinated peptide (CCP) autoantibodies (ACPAs), resulting in inflammation of the joints and other organs. We have established novel assays to assess immune cell subpopulations, including citrullinated antigen-specific (CAS) autoreactive B and T lymphocytes, in patients with RA.
Methods And Results: We found that activated CD25 T cells were markedly increased in patients with RA compared to healthy controls.
Cardiac allograft tolerance can be achieved in nonhuman primates by donor bone marrow and kidney cotransplantation.
Sci Transl Med
January 2025
Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, MA 02114, USA.
Long-term, immunosuppression-free allograft survival has been induced in human and nonhuman primate (NHP) kidney recipients after nonmyeloablative conditioning and donor bone marrow transplantation (DBMT), resulting in transient mixed hematopoietic chimerism. However, the same strategy has consistently failed in NHP heart transplant recipients. Here, we investigated whether long-term heart allograft survival could be achieved by cotransplanting kidneys from the same donor.
View Article and Find Full Text PDFDistinct subcellular localization of tau and alpha-synuclein in lewy body disease.
Acta Neuropathol Commun
January 2025
Center for Neurodegeneration and Experimental Therapeutics, Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA.
Lewy bodies and neurofibrillary tangles, composed of α-synuclein (α-syn) and tau, respectively, often are found together in the same brain and correlate with worsening cognition. Human postmortem studies show colocalization of α-syn and tau occurs in Lewy bodies, but with limited effort to quantify colocalization. In this study, postmortem middle temporal gyrus tissue from decedents (n = 9) without temporal lobe disease (control) or with Lewy body disease (LBD) was immunofluorescently labeled with antibodies to phosphorylated α-syn (p-α-syn), tau phosphorylated at Ser202/Thr205 (p-tau), or exposure of tau's phosphatase-activating domain (PAD-tau) as a marker of early tau aggregates.
View Article and Find Full Text PDFEditorial: Specific targeting of MHC antigens for T-cells and immune cells in human disease.
Front Immunol
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Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.
Immunopeptidomics for autoimmunity: unlocking the chamber of immune secrets.
NPJ Syst Biol Appl
January 2025
Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
T cells mediate pathogenesis of several autoimmune disorders by recognizing self-epitopes presented on Major Histocompatibility Complex (MHC) or Human Leukocyte Antigen (HLA) complex. The majority of autoantigens presented to T cells in various autoimmune disorders are not known, which has impeded autoantigen identification. Recent advances in immunopeptidomics have started to unravel the repertoire of antigenic epitopes presented on MHC.
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