PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10087189-5 1999 In contrast, cAMP enhanced CD40L induced by CD2-mediated T cell activation or by calcium-dependent mechanisms. Calcium 81-88 CD40 ligand Homo sapiens 27-32 10087189-6 1999 While neither CD28 costimulation nor exogenous IL-2 or IL-4 prevented cAMP inhibition in TCR activated cells, addition of calcium ionophore to TCR activation prevented any inhibitory effects and caused cAMP to increase CD40L expression. Calcium 122-129 CD40 ligand Homo sapiens 219-224