Growth and apoptosis of human natural killer cell neoplasms: Role of interleukin-2/15 signaling

Satoshi Yamasaki, Motoi Maeda, Koichi Ohshima, Masahiro Kikuchi, Teruhisa Otsuka, Mine Harada

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

Interleukin (IL)-15 plays an important role in the survival of human natural killer (NK) cells. We investigated IL-2/15 signaling in NK cell neoplasms from five patients and in five cell lines (NK-92, KHYG-1, SNK-6, HANK1 and MOTN-1) compared to mature peripheral NK cells from 10 healthy subjects. Apoptosis of NK cell lines was prevented by addition of IL-15 in vitro. Blocking IL-2/15Rβ on IL-2-stimulated NK-92 cells resulted in reduced expression of Bcl-X L and phosphorylated Stat5, which paralleled early apoptosis without altering Bcl-2 expression. These data add IL-2/15Rβ to the list of factors important for the survival of NK cell neoplasms.

本文言語英語
ページ(範囲)1023-1031
ページ数9
ジャーナルLeukemia Research
28
10
DOI
出版ステータス出版済み - 10 2004

All Science Journal Classification (ASJC) codes

  • 血液学
  • 腫瘍学
  • 癌研究

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