Antineoplastic Agent

14,000,000 Leading Edge Experts on the ideXlab platform

Scan Science and Technology

Contact Leading Edge Experts & Companies

Scan Science and Technology

Contact Leading Edge Experts & Companies

The Experts below are selected from a list of 19860 Experts worldwide ranked by ideXlab platform

Jerry D. Glickson - One of the best experts on this subject based on the ideXlab platform.

Zaver M. Bhujwalla - One of the best experts on this subject based on the ideXlab platform.

R. J. Maxwell - One of the best experts on this subject based on the ideXlab platform.

John R. Griffiths - One of the best experts on this subject based on the ideXlab platform.

Andrew S Kraft - One of the best experts on this subject based on the ideXlab platform.

  • inhibition of leukemic cell growth by the protein kinase c activator bryostatin 1 correlates with the dephosphorylation of cyclin dependent kinase 2
    Cancer Research, 1995
    Co-Authors: Clement Asiedu, Joseph R Biggs, Andrew S Kraft, Michael B Lilly
    Abstract:

    Bryostatin 1 is a natural Antineoplastic Agent that activates protein kinase C. Treatment of U937 human leukemic cells with bryostatin 1 caused a 60% reduction in cell growth, whereas another protein kinase C activator, phorbol myristate acetate (PMA), completely inhibited U937 cell growth. Both bryostatin 1 and PMA induced inhibition of cyclindependent kinase 2 (cdk2) activity. The first phase of cdk2 inhibition correlated with the transient induction of p21, a known inhibitor of cdk2. In contrast, the second phase of cdk2 inhibition correlated with the dephosphorylation of cdk2 on threonine-160, which must be phosphorylated for cdk2 activity. The level of growth inhibition induced by these two compounds correlated with the degree of cdk2 dephosphorylation as follows: bryostatin 1, 60%; PMA, 100%.