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Sci China B. 1990 Mar;33(3):303-10.

The stimulatory effect of heavy metal cations on proliferation of aortic smooth muscle cells.

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Research Department of Cellular Regulation, Xuzhou Medical College, PRC.


Heavy metal cations Cd2+, Pb2+, and Hg2+ were added to substitute for Ca2+ in culture media to study their effect on the relationship between CaM and the proliferation of cultured rabbit aortic smooth muscle cells (ASMC). It was found that all the heavy metal cations studied stimulated the proliferation of ASMC in varying degrees, increased the CaM content in cells at late G1 stage and decreased the activity of cAMP PDE. These results suggest that the adverse effect of heavy metals may be related to the pathogenesis of atherosclerosis and hypertensive disease.

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