in spite of many experimental studies which employ fluorescent ca2+ indicator dye to demonstrate an early increase of [ ca2+ ] i in t-lymphocytes after stimulation with lectins , specific antigens , and monoclonal antibodies to t-lymphocyte receptors , the mechanism responsible for the rise of [ ca2+ ] i is unknown .
C0039194
t-lymphocytes
C0034790
t-lymphocyte receptors