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Autoinduction of platelet derived growth factor (PDGF) A-chain mRNA expression in a human malignant melanoma cell line and growth inhibitory effects of PDGF-A-chain mRNA-specific antisense molecules

Behl, C. ; Bogdahn, U. ; Winkler, J. ; Apfel, R. ; Brysch, W. ; Schlingensiepen, K. H.



Abstract

Autoinduction of PDGF-A-chain mRNA's was demonstrated in cells of a human malignant melanoma cell line (HTZ 19), indicating a PDGF-induced amplification of an autocrine growth factor loop mechanism. PDGF-alpha receptors were detected by immunocytochemistry in HTZ 19 melanoma cells. Exogenously administered PDGF-AA exerted an increase in cell proliferation by 70% at 200 ng/ml PDGF in ...

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