Title : The mechanism for anthracycline-induced inhibition of collagen biosynthesis.

Pub. Date : 2001 Jan 5

PMID : 11137854






4 Functional Relationships(s)
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1 Therefore, we compared the effect of daunorubicin and doxorubicin on prolidase activity and collagen biosynthesis in confluent cultured human skin fibroblasts. Doxorubicin peptidase D Homo sapiens
2 We have found that daunorubicin and doxorubicin coordinately induced the inhibition of prolidase activity (IC(50)=0.3 and 10 microM, respectively) and collagen biosynthesis (IC(50)=1 and 15 microM, respectively) in cultured human skin fibroblasts. Doxorubicin peptidase D Homo sapiens
3 The inhibitory effect of daunorubicin or doxorubicin on prolidase activity and collagen biosynthesis was not due to anti-proliferative activity of these drugs as shown by cell viability tetrazoline test. Doxorubicin peptidase D Homo sapiens
4 The higher ability of daunorubicin vs. doxorubicin to chelate manganese and inhibit prolidase activity may explain the potential mechanism for its greater potency to inhibit collagen biosynthesis. Doxorubicin peptidase D Homo sapiens