Potential role of LMP2 as an anti-oncogenic factor in human uterine leiomyosarcoma: Morphological significance of calponin h1

Takuma Hayashi, Akiko Horiuchi, Kenji Sano, Nobuyoshi Hiraoka, Mari Kasai, Tomoyuki Ichimura, Tamotsu Sudo, Ryuichiro Nishimura, Osamu Ishiko, Tanri Shiozawa, Yae Kanai, Nobuo Yaegashi, Hiroyuki Aburatani, Ikuo Konishi

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Uterine leiomyosarcoma (LMS) is a highly metastatic smooth muscle neoplasm for which calponin h1 is suspected to have a biological role as a tumor-suppressor. We earlier reported that LMP2-null mice spontaneously develop uterine LMS through malignant transformation of the myometrium, thus implicating this protein as an anti-tumorigenic candidate as well. In the present study, we show that LMP2 may negatively regulate LMS independently of its role in the proteasome. Moreover, several lines of evidence indicate that although calponin h1 does not directly influence tumorigenesis, it clearly affects LMP2-induced cellular morphological changes. Modulation of LMP2 may lead to new therapeutic approaches in human uterine LMS.

本文言語English
ページ(範囲)1824-1831
ページ数8
ジャーナルFEBS Letters
586
13
DOI
出版ステータスPublished - 2012 6 21

ASJC Scopus subject areas

  • 生物理学
  • 構造生物学
  • 生化学
  • 分子生物学
  • 遺伝学
  • 細胞生物学

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