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THE SELECTIVE-INHIBITION OF VASCULAR-PERMEABILITY FACTOR (VPF) EXPRESSION IN OVARIAN-CARCINOMA CELL-LINES BY GONADOTROPIN-RELEASING-HORMONE (GNRH) AGONIST

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GnRH agonists have been found to be clinically useful in several hormone-sensitive conditions, including cancer. However, there is controversy regarding a direct action of these agents on the pathologic tissue of a given disease process, in particular, tumors. In this study, we examined the effects of D-Trp(6) -LHRH, a potent GnRH agonist, on the expression of an increasingly important angiogenesis factor, VPF (vascular permeability factor)/VEGF (vascular endothelial growth factor). Ovarian carcinoma cell lines exposed to D-Trp(6) -LHRH in culture demonstrated a reversible inhibition of VPF mRNA expression and a parallel decrease in the endothelium-specific mitogenic activity of the conditioned media from these treated cultures. This study reports a novel activity of a GnRH agonist and provides a starting point to investigate the in vivo anti-angiogenic properties of GnRH peptide analogs.
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Document Type: Research Article

Affiliations: UNIV MINNESOTA,DEPT PHARMACOL,MINNEAPOLIS,MN 55455.

Publication date: April 1, 1995

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  • The International Journal of Oncology provides an international forum for the publication of the latest, cutting-edge research in the broad area of oncology and cancer treatment. The journal accepts original high quality works and reviews on all aspects of oncology research including carcinogenesis, metastasis, epidemiology, chemotherapy and viral oncology. Through fair and efficient peer review, the journal is dedicated to publishing top tier research in the field, offering authors rapid publication as well as high standards of copy-editing and production. The International Journal of Oncology is published on a monthly basis in both print and early online.
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