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Separation of H7-resistant protein kinase C isoforms from gonadotroph-derived alpha T3-1 cells
J Simpson1, M S Johnson, R A Clegg
1MRC Brain Metabolism Unit, University Department of Pharmacology, Edinburgh, Scotland, UK.
Biochemical and Biophysical Research Communications
|January 26, 1996
Abstract:
Certain physiological events in anterior pituitary tissue are regulated by protein kinase C that is relatively resistant to the inhibitor, H7. In the present studies we have shown that two H7-resistant protein kinase C activities may be isolated from (pituitary) gonadotroph-derived alpha T3-1 cells using hydroxyapatite chromatography. These activities have the characteristics of PKC zeta and an apparently novel PKC isoform. The availability of clonal alpha T3-1 cells will facilitate investigations of the pituitary events.