dexamethasone treatment of jurkat t77 cells inhibited the tpa/a23187-dependent activation of the transcription from the transfected pil2cat , containing 600 base pairs of the genomic sequences upstream of the coding region of il2 gene , including the tpa/calcium responsive cis-regulatory elements and promoter sequences , driving the expression of the chloramphenicol acetyltransferase ( cat ) gene .
C0162493
activation
C0034987
regulatory