Immunochemical characterization of protein kinase C in rat liver nuclei and subnuclear fractions

A doublet of immunoreactive bands has been identified in rat liver nuclei, nuclear matrix and lamina by means of a polyclonal antibody against protein kinase C. The two polypeptides show an apparent molecular weight of 77 and 74 kDa on SDS-polyacrylamide gels, and appear to be tightly bound nuclear...

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Veröffentlicht in:Biochemical and biophysical research communications 1987-01, Vol.142 (2), p.367-375
Hauptverfasser: Capitani, Silvano, Girard, Peggy R., Mazzei, Gonzalo J., Kuo, J.F., Berezney, Ronald, Manzoli, Francesco A.
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container_end_page 375
container_issue 2
container_start_page 367
container_title Biochemical and biophysical research communications
container_volume 142
creator Capitani, Silvano
Girard, Peggy R.
Mazzei, Gonzalo J.
Kuo, J.F.
Berezney, Ronald
Manzoli, Francesco A.
description A doublet of immunoreactive bands has been identified in rat liver nuclei, nuclear matrix and lamina by means of a polyclonal antibody against protein kinase C. The two polypeptides show an apparent molecular weight of 77 and 74 kDa on SDS-polyacrylamide gels, and appear to be tightly bound nuclear components, resistant to detergent and high salt extraction. Given the complexity of the genes encoding for protein kinase C, these two forms of the enzyme might be translational products specifically located in the nucleus, involved in the transduction to the genomic apparatus of regulatory signals generated by growth factors and tumor promoters.
doi_str_mv 10.1016/0006-291X(87)90283-X
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subjects Animals
Cell Nucleus - enzymology
Lipids - pharmacology
Liver - enzymology
Male
Protein Kinase C - analysis
Protein Kinase C - immunology
Protein Kinase C - physiology
Rats
Rats, Inbred Strains
title Immunochemical characterization of protein kinase C in rat liver nuclei and subnuclear fractions
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