PAL31, a nuclear protein required for progression to the S phase

Weiyong Sun, Naka Hattori, Hideki Mutai, Yasushi Toyoshima, Hiromichi Kimura, Satoshi Tanaka, Kunio Shiota

研究成果: Article査読

18 被引用数 (Scopus)

抄録

PAL31 is a nuclear protein expressed by various cell types. In the present study, the expression and function of PAL31 were examined in the cytokine-regulated growth of T and B cell lines. Treatment of the cells with mitogens [ovine PRL, recombinant rat placental lactogen-I (PL-I) and human IL-3] caused a dose-dependent increase in the expression of PAL31 mRNA in the PRL-dependent cell line Nb2, and IL-3 dependent cell line BaF3. A time-course study on synchronized Nb2 cells revealed that the expression of PAL31 is specific to the late G1 and S phases. Immunocytological studies revealed that PAL31 accumulates in the nuclei at the S phase. Furthermore, the antisense oligonucleotide for PAL31 severely inhibited the proliferation of Nb2 cells by inhibiting cells progressing to the S phase. Thus, PAL31 is a nuclear protein associated with cell cycle progression.

本文言語English
ページ(範囲)1048-1054
ページ数7
ジャーナルBiochemical and Biophysical Research Communications
280
4
DOI
出版ステータスPublished - 2001
外部発表はい

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

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