Characterization of initiation of angiogenesis in early stages of prostate adenocarcinoma development and progression in a transgenic murine model

Manal Gabril, Jim Xuan, Madeleine Moussa, Colin P.N. Dinney, Joseph L. Chin, Jonathan I. Izawa

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A novel prostate-specific protein of 94 amino acids (PSP94) promoter/enhancer-directed transgenic murine model of prostate cancer (CaP) was examined to determine the temporal relationship of angiogenesis with the development and progression of CaP. Immunohistochemistry and in situ hybridization were performed to determine the protein and mRNA expression of basic fibroblast growth factor, vascular endothelial growth factor, and microvessel formation at different stages of CaP development and progression. Differential expression of basic fibroblast growth factor and vascular endothelial growth factor protein was found with the development and progression of CaP (P <0.0001 and P <0.0001, respectively). Angiogenesis was identified in CaP. mRNA expression of basic fibroblast growth factor and vascular endothelial growth factor was present from high-grade prostatic intraepithelial neoplasia to poorly differentiated CaP. The PSP94 gene is conserved in humans and rodents; therefore, the PSP94 transgenic murine model of CaP provides a preclinical model to test such antiangiogenic or other chemopreventive therapies that may be predictive of human CaP.

Original languageEnglish (US)
Pages (from-to)1233-1237
Number of pages5
JournalUrology
Volume64
Issue number6
DOIs
StatePublished - Dec 2004

ASJC Scopus subject areas

  • Urology

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