Adenovirus-mediated delivery of the PTEN gene inhibits cell growth by induction of apoptosis in endometrial cancer.

A. Sakurada, H. Hamada, S. Fukushige, T. Yokoyama, K. Yoshinaga, T. Furukawa, S. Sato, A. Yajima, M. Sato, S. Fujimura, A. Horii

研究成果: Article査読

47 被引用数 (Scopus)

抄録

PTEN, a gene encoding a dual specificity phosphatase, is frequently altered in endometrial carcinoma. Moreover, these alterations are observed even in atypical hyperplasia of the endometrium. This evidence suggests that mutation of PTEN is an early genetic alteration involved in endometrial carcinogenesis. Adenovirus-mediated gene transfer was carried out using Ishikawa 3 H 12 and RL95-2, the endometrial cancer cell lines with completely inactivated PTEN, together with endometrial cancer cell lines HEC1-A and KLE expressing wild-type PTEN as the control. The PTEN transgene significantly suppressed cell growth in vitro through induction of apoptosis in cells lacking wild-type PTEN. Furthermore, the ex vivo tumor formation by Ishikawa 3 H 12 cells was completely inhibited by the introduction of wild-type PTEN. However, neither regression nor progression was observed in inoculated tumors of either cell line by in vivo introduction of the PTEN gene. These results suggest that PTEN may be a good candidate for gene therapy in patients with endometrial carcinoma.

本文言語English
ページ(範囲)1069-1074
ページ数6
ジャーナルInternational journal of oncology
15
6
DOI
出版ステータスPublished - 1999 12

ASJC Scopus subject areas

  • 腫瘍学
  • 癌研究

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