TY - GEN AU - Ehab Fathi Gabr Aboueladab AU - Abdelgawad Fahmi , AU - Joesef Brock , AU - Mohamed Ali Eldesokey , TI - Galectin - 1 stimulated signaling events in T - lymphocytes / PY - 2006/// CY - Cairo : PB - Ehab Fathi Gabr Aboueladab , KW - Apoptosis KW - Galectin - 1 KW - T - cells N1 - Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Biochemistry; Issued also as CD N2 - This work has been carried out to investigate the mechanisms of T cell activation on the level of signal transduction induced by galectin - 1 (gal - 1) having immunosuppressive activityGal - 1 recognizes and cross - links appropriate glycoepitopes (Gal?1 - 4GlcNAc - sequences) on T cell activation markers (CD2 , CD3 , CD45) and stimulates in parallel several interacting signalling pathways leading to suppression of the expression of Th1 cytokines and to apoptosis in thymocytes , activated T - cells , and in leukemic T cell linesIn cellular models by applying cell - and glycobiological methods we have focused on gal - 1 induced or suppressed signalling pathways involved in inhibition of a processive immune response of antigen - stimulated T lymphocytesIn this way , by depletion of activated T cells gal - 1 is a negative regulator of the immune responseTherefore , the mechanism of gal - 1 induced T cell apoptosis is of special interest UR - http://172.23.153.220/th.pdf ER -