Journal article

Characteristics of selective activation of cyclic AMP-dependent protein kinase isoenzymes by calcitonin and prostaglandin E2 in human breast cancer cells.

SA Livesey, G Collier, JD Zajac, BE Kemp, TJ Martin

Biochem J | Published : 1984

Abstract

The characteristics of the cyclic AMP-dependent protein kinase isoenzyme response to calcitonin stimulation have been studied in two human breast cancer cell lines, T47D and MCF 7. Both cell lines possess calcitonin receptors, a calcitonin-responsive adenylate cyclase and the two isoenzymes of the cyclic AMP-dependent protein kinase, types I and II. The adenylate cyclase also responds to prostaglandin E2. Acute activation of the cyclic AMP-dependent protein kinase isoenzymes was determined by using a modification of a multiple small anion exchange column method [Livesey, Kemp, Re, Partridge & Martin (1982) J. Biol. Chem. 257, 14983-14987]. Control experiments showed that post-extraction acti..

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