换一批
换一批摘要To investigate the regulation effect of protein kinase A on IL-6-induced STAT3 activation in myeloma cells. Methods: Two human myeloma cell lines-Sko-007 and U266 were pretreated with Forskolin, a protein kinase A antagonist, and then stimulated by IL-6. The activation state of STAT3 in these two cells were examined by electrophoretic mobility shift assay (EMSA). Results: Although PKA pathway itself doesn't participate in IL-6 signal transduction in Sko-007 and U266 cells, activation of protein kinase A can inhibit IL-6-induced STAT3 activation in these two cell lines. Conclusion: There exists an inhibitory effect of protein kinase A on STAT3 activation in human myeloma cells treated by IL-6.
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