{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T02:15:05Z","timestamp":1779243305996,"version":"3.51.4"},"reference-count":32,"publisher":"American Physiological Society","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Gastrointestinal and Liver Physiology"],"published-print":{"date-parts":[[2006,8]]},"abstract":"<jats:p> FTY720, a sphingosine-derived immunomodulator, causes immunosuppression via enhancement of lymphocyte sequestration into secondary lymphoid organs, thereby preventing their antigen-activated T cell egress to sites of inflammation. FTY720 is highly effective in inhibiting autoimmunity in various animal models. However, there is little known about how FTY720 controls the migration property of memory T cells. Here, we demonstrated that FTY720 prevents the development of colitis induced by the adoptive transfer of lamina propria (LP) colitogenic effector memory CD4<jats:sup>+<\/jats:sup> T cells (T<jats:sub>EM<\/jats:sub> cells; CD45RB<jats:sup>low<\/jats:sup>CD44<jats:sup>high<\/jats:sup>CD62L<jats:sup>\u2212<\/jats:sup>) into severe combined immunodeficiency (SCID) mice and suppresses interferon-\u03b3, interleukin-2, and tumor necrosis factor-\u03b1 production by LP CD4<jats:sup>+<\/jats:sup> T cells. The numbers of spleen, peripheral blood, mesenteric lymph node, and LP CD4<jats:sup>+<\/jats:sup> T cells in FTY720-treated mice were significantly reduced compared with those in control mice. Notably, LP CD4<jats:sup>+<\/jats:sup> T<jats:sub>EM<\/jats:sub> cells as well as splenic CD4<jats:sup>+<\/jats:sup>CD45RB<jats:sup>high<\/jats:sup> T cells expressed several spingosine-1-phosphate receptors that are targets for FTY720. Furthermore, FTY720 also prevented the development of colitis induced by the adoptive transfer of splenic CD4<jats:sup>+<\/jats:sup>CD45RB<jats:sup>high<\/jats:sup> T cells into SCID mice. Collectively, the present data indicate that FTY720 treatment may offer the potential not only to prevent the onset of disease but also to treat memory T cell-mediated autoimmune diseases including inflammatory bowel diseases. <\/jats:p>","DOI":"10.1152\/ajpgi.00496.2005","type":"journal-article","created":{"date-parts":[[2006,3,31]],"date-time":"2006-03-31T02:00:00Z","timestamp":1143770400000},"page":"G267-G274","source":"Crossref","is-referenced-by-count":56,"title":["FTY720 suppresses CD4<sup>+<\/sup>CD44<sup>high<\/sup>CD62L<sup>\u2212<\/sup> effector memory T cell-mediated colitis"],"prefix":"10.1152","volume":"291","author":[{"given":"R.","family":"Fujii","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Kanai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Y.","family":"Nemoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Makita","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Oshima","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Okamoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K.","family":"Tsuchiya","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Totsuka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"24","reference":[{"key":"R1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-6143.2004.00476.x"},{"key":"R2","doi-asserted-by":"publisher","DOI":"10.1016\/S0952-7915(02)00374-6"},{"key":"R3","unstructured":"Chiba K, Hoshino Y, Suzuki C, Masubuchi Y, Yanagawa Y, Ohtsuki M, Sasaki S, and Fujita T. FTY720, a novel immunosuppressant possessing unique mechanisms. I. Prolongation of skin allograft survival and synergistic effect in combination with cyclosporine in rats. Transplant Proc 28: 1056\u20131059, 1996."},{"key":"R4","doi-asserted-by":"crossref","unstructured":"Chiba K, Yanagawa Y, Masubuchi Y, Kataoka H, Kawaguchi T, Ohtsuki M, and Hoshino Y. FTY720, a novel immunosuppressant, induces sequestration of circulating mature lymphocytes by acceleration of lymphocyte homing in rats. I. FTY720 selectively decreases the number of circulating mature lymphocytes by acceleration of lymphocyte homing. 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