{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:35:35Z","timestamp":1790382935893,"version":"4.1.0"},"reference-count":26,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2011,3,10]],"date-time":"2011-03-10T00:00:00Z","timestamp":1299715200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasite Immunology"],"published-print":{"date-parts":[[2011,4]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>The role of CD4+ and CD8+ T lymphocytes in the development of a protective immune response against <jats:italic>Cryptosporidium muris<\/jats:italic> infection was studied by the reconstitution of severe combined immunodeficient (SCID) mice with well\u2010defined populations of either naive or immune CD8+ or CD4+ T lymphocytes. Adoptive transfer of both naive and immune CD4+ T lymphocyte subpopulations protects SCID mice against cryptosporidiosis. Moreover, a significant biological impact of activated CD8+ T cells against gastric cryptosporidiosis was observed. The significant difference in the course and intensity of the infection in reconstituted SCID mice was found to be dependent on the protective function of both the CD4+ and CD8+ T\u2010cell populations transferred. While SCID mice reconstituted with either immune or naive CD4+ or immune CD8+ T\u2010cell subpopulations resolved the infection within 29, 37 and 51\u2003days post\u2010infection, respectively, those reconstituted with naive CD8+ T cells suffered from chronic infection similar to control SCID mice. Reconstitution with CD4+ T cells resulted in suppression of oocyst excretion and shortening of patent period in comparison with SCID mice reconstituted with CD8+ T cells. Thus, although CD4+ T cells are considered important in protective immunity, our results are the first to demonstrate the involvement of activated CD8+ T lymphocytes in the protection of mice against gastric cryptosporidiosis.<\/jats:p>","DOI":"10.1111\/j.1365-3024.2010.01271.x","type":"journal-article","created":{"date-parts":[[2010,11,10]],"date-time":"2010-11-10T15:36:09Z","timestamp":1289403369000},"page":"210-216","source":"Crossref","is-referenced-by-count":15,"title":["Activated CD8+ T cells contribute to clearance of gastric <i>Cryptosporidium muris<\/i> 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