Abstract:
:Protein, mRNA and activity levels of the calcium-independent protein kinase C (nPKC) isoenzymes were examined in NG108-15 cells. Western blot analyses reveal that proliferating NG 108-15 cells express the delta, epsilon, and eta, but not the theta species. The atypical species PKC zeta was also detected. Differentiation of these cells with dibutyryl cAMP was associated with increase in the levels of PKC epsilon, with no significant changes in its steady-state mRNA levels. The levels of the other isoforms were not altered by the differentiated state. Similarly, no changes in nPKC activity were discerned in either the soluble or particulate fractions when histone or other proteins were used as substrates. These data suggest that the PKC epsilon isoform may be important for the production and maintenance of the differentiated state in NG 108-15 cells.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Battaini F,Pascale A,Lucchi L,Racchi M,Bergamaschi S,Parenti M,Wetsel WC,Govoni S,Trabucchi Mdoi
10.1006/bbrc.1994.2344subject
Has Abstractpub_date
1994-09-30 00:00:00pages
1423-31issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(84)72344-8journal_volume
203pub_type
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