Article
Activated platelet-derived growth factor autocrine pathway drives the transformed phenotype of a human glioblastoma cell line.
Journal of cellular physiology - 1 Feb 1994
Vassbotn F S, Ostman A, Langeland N, Holmsen H, Westermark B, Heldin C H, Nistér M
Abstract excerpt
Human glioblastoma cells (A172) were found to concomitantly express PDGF-BB and PDGF beta-receptors. The receptors were constitutively autophosphorylated in the absence of exogenous ligand, suggesting the presence of an autocrine PDGF pathway. Neutralizing PDGF antibodies as well as suramin inhibited the autonomous PDGF receptor tyrosine kinase activity and resulted in up-regulation of receptor protein. The...
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