Abstract:
:From the mouse JB6 epidermal cell line C122 we have isolated a cDNA clone representing a 1.6-kilobase mRNA, called 2ar, that exhibits a biphasic induction in response to 12-O-tetradecanoyl-phorbol-13-acetate (TPA). The first phase of induction in subconfluent cells is transient, peaking at 6 h after the addition of TPA and returning to noninduced levels by 24 h. When the cells reach plateau density, in the continued presence of TPA, this mRNA is reinduced and remains so upon continued exposure to the tumor promoter. Serum and certain growth factors also induce 2ar mRNA in serum-deprived quiescent fibroblasts. In vitro nuclear "run-on" transcription experiments indicate that the induction of 2ar mRNA is controlled at the transcriptional level.
journal_name
J Cell Biochemjournal_title
Journal of cellular biochemistryauthors
Smith JH,Denhardt DTdoi
10.1002/jcb.240340103subject
Has Abstractpub_date
1987-05-01 00:00:00pages
13-22issue
1eissn
0730-2312issn
1097-4644journal_volume
34pub_type
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