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Successive activation of the platelet-derived growth factor beta receptor and platelet-derived growth factor B genes correlates with the genesis of human choriocarcinoma.

Authors: Holmgren, L  Flam, F  Larsson, E  Ohlsson, R 
Citation: Holmgren L, etal., Cancer Res. 1993 Jun 15;53(12):2927-31.
Pubmed: (View Article at PubMed) PMID:8504434

The hydatidiform mole is a benign disease of the placenta characterized by the absence of the maternal genome. Approximately 3% of the reported cases will develop into malignant choriocarcinoma. In situ hybridization analysis reveals that the paternal platelet-derived growth factor (PDGF) beta receptor gene is up to 2 orders of magnitude more active in cytotrophoblasts of the complete hydatidiform moles than in normal placentae. The transition between hyperplasia (complete hydatidiform mole) and neoplasia (choriocarcinoma) in these cells correlates with at least a 10- to 20-fold activation of the PDGF-B gene. Since the neoplastic cytotrophoblasts have maintained an abnormally high level of PDGF beta receptor expression, we propose that a deregulated PDGF autostimulatory loop is involved in the genesis of human choriocarcinoma from hydatidiform moles.


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CRRD Object Information
CRRD ID: 2292200
Created: 2008-04-15
Species: All species
Last Modified: 2008-04-15
Status: ACTIVE


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