نتایج جستجو برای: t lymphocyte
تعداد نتایج: 729944 فیلتر نتایج به سال:
It has been reported that human mesenchymal stem cells are able to inhibit T lymphocyte activation; however, the discrepancy among different sources of MSCs is not well documented. In this study, we have compared the MSCs from bone marrow (BM), adipose tissue (AT), placenta (PL), and umbilical cord (UC) to determine which one displayed the most efficient immunosuppressive effects on phytohemagg...
An autologous mixed lymphocyte reaction was demonstrated between T and non-T lymphocytes. Sheep erythrocyte rosetting was used to separate human lymphocytes into T and non-T lymphoid preparations. Non-T lymphocytes stimulated the proliferation of autologous T lymphocytes. The cell in this preparation that was most stimulatory had the characteristics of a K lymphocyte. The allogeneic mixed lymph...
Previously we have shown that CD8(+) T cells are critical for containment of simian immunodeficiency virus (SIV) viremia and that rapid and profound depletion of CD4(+) T cells occurs in the intestinal tract of acutely infected macaques. To determine the impact of SIV-specific CD8(+) T-cell responses on the magnitude of the CD4(+) T-cell depletion, we investigated the effect of CD8(+) lymphocyt...
The capacity of retinoic acid to modulate human T-lymphocyte and B-lymphocyte activation by mitogens was examined. T-lymphocyte proliferation stimulated by 12-O-tetradecanoylphorbol-13-acetate (TPA) or phytohemagglutinin was enhanced by 5 nM to 5 microM retinoic acid in a dose-dependent manner with a 65 +/- 35% (SD) increase (n = 6, P less than 0.01) in TPA-stimulated proliferation induced by 5...
Atherosclerosis is a chronic inflammatory disease of the artery wall. Atherosclerotic lesions contain monocytes, macrophages, smooth muscle cells and T lymphocytes. Here, we review the role of T-lymphocyte subsets in atherosclerosis. Among CD4⁺T cells, T(h)1 cells are pro-atherogenic, T(reg) cells are athero-protective and the role of T(h)2 and T(h)17 cells remains unclear. The role of follicul...
Submit Manuscript | http://medcraveonline.com Abbreviations: AIDS: Acquired Immunodeficiency Syndrome; B-cell: B lymphocyte; CTL: Cytotoxic T-lymphocyte; ELISA: Enzyme-linked Immunosorbent Assay; Env: Envelope; ER: Endoplasmic Reticulum; HIV: Human Immunodeficiency Virus; MHC: Major Histocompatibility Complex; NMR: Nuclear Magnetic Resonance; TAP: Transporter Associated with Antigen Processing;...
Marie-Agnès Doucey, Daniel F. Legler, Mustapha Faroudi, Nicole Boucheron, Petra Baumgaertner, Dieter Naeher, Marek Cebecauer, Denis Hudrisier, Curzio Rüegg, Ed Palmer, Salvatore Valitutti, Claude Bron, and Immanuel F. Luescher From the Institute for Biochemistry, University of Lausanne, 1066 Epalinges, Switzerland, the Ludwig Institute for Cancer Research, Lausanne Branch, University of Lausann...
Background. CD4+ T-lymphocyte monitoring is not routinely available in most resource-limited settings. We investigated predictors of time to CD4+ T-lymphocyte recovery in HIV-infected children on highly active antiretroviral (HAART) at Korle-Bu Teaching Hospital, Ghana. Methods. Time to CD4+ T-lymphocyte recovery was defined as achieving percent CD4+ T-lymphocytes of 25%. We used Cox proportion...
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