Angiogenic gene cell therapy using suicide gene system regulates the effect of angiogenesis in infarcted rat heart

Shigeru Miyagawa, Yoshiki Sawa, Keiichi Fukuda, Yasuyo Hisaka, Satoshi Taketani, Imran Ahmed Memon, Hikaru Matsuda

研究成果: Article査読

11 被引用数 (Scopus)

抄録

Background. Although angiogenic gene therapy has been reported to be effective in restoring ischemic heart function, there are several obstacles to its clinical application, such as unreliable efficiency of transfection and uncontrollable expression. We developed human HGF (hHGF)-producing cells that regulated hHGF production using the thymidine kinase gene of Herpes Simplex Virus (TK) and the Ganciclovir (GCV) system. We tested whether these cells induced and regulated angiogenic effects in infarcted myocardium. Methods. NIH3T3 cells were stably transfected with an hHGF cDNA expression plasmid (NIH/HGF). Next, the NIH/HGF cells were stably transfected with TK (NIH/HGF/TK). The left anterior descending artery was ligated in the heart of severe combined immunodeficiency rats, and four materials were transplanted: 1) NIH/HGF (n = 10), 2) NIH/HGF/TK, with orally administered GCV (n = 10), 3) NIH3T3 (n = 10), and 4) culture medium (n = 10). Results. In vitro, the proliferation of NIH/HGF/TK cells was suppressed by GCV. In vivo, significant increases in cardiac performance and angiogenesis were observed in the NIH/HGF and NIH/HGF/TK groups 4 weeks after transplantation. Although tumorous lesions were detected in the NIH/HGF group, their growth was completely controlled in the NIH/HGF/TK group. Conclusions. Angiogenic gene cell therapy using the TK-GCV suicide gene system induces and regulates angiogenesis under the control of cell growth, suggesting it as a promising system for therapeutic angiogenesis.

本文言語English
ページ(範囲)902-907
ページ数6
ジャーナルTransplantation
81
6
DOI
出版ステータスPublished - 2006 3月

ASJC Scopus subject areas

  • 移植

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