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Friday, May 8, 2020 | History

2 edition of role of CD8+ T cells in the regulation of recipient immune responses induced by allogeneic platelet transfusions. found in the catalog.

role of CD8+ T cells in the regulation of recipient immune responses induced by allogeneic platelet transfusions.

Katherine Sterling

role of CD8+ T cells in the regulation of recipient immune responses induced by allogeneic platelet transfusions.

by Katherine Sterling

  • 120 Want to read
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Published .
Written in English


About the Edition

The immune mechanisms resulting in platelet-induced alloimmunization are incompletely understood. Using a murine model of platelet transfusion, previous studies suggest allogeneic platelets stimulate early NO-dependent cytotoxicity, while repeated transfusions induce alloantibody production and late cytotoxic responses. To further understand how recipient anti-platelet responses are modulated, the effects of CD8+T cell depletion on cell-mediated cytotoxicity and antibody responsiveness were investigated. Cytotoxicity within BALB/c mice transfused with allogeneic platelets was measured via 6-hour chromium-release assays. Recipient sera was tested for antibody production. Splenic lymphocytes were analyzed, via intracellular staining, for cytokine production. Depletion of CD8+T cells enhanced NO-dependent cytotoxicities. CD8+ depleted recipients exhibited increased alloantibody production, primarily of the IgG2a isotype. Non-depleted recipients produced IgG1 and IgG3. Cytokine analysis revealed the effects of CD8+T cell depletion on recipient responses may be related to cytokine production. These results suggest that CD8+T cells regulate NO-dependent cytotoxic and humoral responses to allogeneic platelet transfusions.

The Physical Object
Pagination110 leaves.
Number of Pages110
ID Numbers
Open LibraryOL19747134M
ISBN 100612913929


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Role of CD8+ T cells in the regulation of recipient immune responses induced by allogeneic platelet transfusions by Katherine Sterling Download PDF EPUB FB2