Abstract
The cytosol and microsomal fractions of human adrenal cortex contain 3 isoforms of protein kinase C: a, z, and e. The latter fraction is present in trace amounts. No isoforms b1, b2, g and d were found in these cell fractions. The distribution of a-isoform between the cytosol and microsomal fraction is determined by tissue origin: in normal tissue its content differs by no more than 10%, while in most tumors this isoform is translocated into the microsomal fraction. The distribution of z-isoform did not depend on tissue origin.
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Mikosha, A.S., Tron'ko, N.D., Staren'kii, D.V. et al. Isoforms of Protein Kinase C and Their Distribution in Human Adrenal Cortex and Tumors. Bulletin of Experimental Biology and Medicine 132, 841–843 (2001). https://doi.org/10.1023/A:1013110516048
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DOI: https://doi.org/10.1023/A:1013110516048