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Protein Pept Lett. 2009;16(6):650-2.

Reduced NGF secretion by HT-29 human colon cancer cells treated with a GRPR antagonist.

Author information

1
Cancer Research Laboratory, Academic Hospital Research Center, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.

Abstract

The gastrin-releasing peptide receptor (GRPR) is a therapeutic target in colon cancer. Here we show that the GRPR antagonist RC-3095 (10(-3), 10(-6), or 1 microM) decreases nerve growth factor (NGF) secretion measured by enzyme-linked immunosorbent assay (ELISA) in HT-29 human colon carcinoma cells. The results suggest that decreased secretion of neurotrophins might be a novel mechanism by which GRPR antagonists exert their antiproliferative effects in cancer cells.

PMID:
19519524
[Indexed for MEDLINE]

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