Actin cleavage by CPP-32/apopain during the development of apoptosis

Tetsuo Mashima, Mikihiko Naito, Kohji Noguchi, Douglas K. Miller, Donald W. Nicholson, Takashi Tsuruo

研究成果: Article

205 引用 (Scopus)

抄録

Interleukin-1β-converting enzyme (ICE)/ced-3 family proteases play key roles in apoptosis. However, cellular substrates for ICE family proteases involved in apoptosis are not well understood. We previously showed that actin is cleaved ill vitro by an ICE family protease, distinct from ICE itself, which is activated during VP-16-induced apoptosis. In this report, we demonstrate that the actin-cleaving ICE-family protease in the apoptotic cell extract is the activated CPP-32/apopain. CPP-32 effectively cleaves actin protein to 15 kDa and 31 kDa fragments. Studies with an antibody raised against Gly-Gln-Val-IIe-Thr peptide, the N-terminal sequence of the cleaved 15 kDa actin fragment, showed that actin is also cleaved in vivo during the development of apoptosis. Moreover, Benzyloxycarbonyl-Glu-Val-Asp-CH2OC(O)-2,6,-dichlorobenzene (Z-EVD-CH2-DCB), a selective inhibitor of CPP-32(-Like) protease, efficiently inhibited the cleavage of actin and the apoptosis of VP-16-treated U937 cells. Our present results indicate that actin is the substrate of CPP-32/apopain(-like) protease both in vitro and in vivo and suggest the role of actin in the control of cell growth and apoptosis.

元の言語English
ページ(範囲)1007-1012
ページ数6
ジャーナルOncogene
14
発行部数9
出版物ステータスPublished - 1997
外部発表Yes

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Caspase 3
Actins
Caspase 1
Apoptosis
Peptide Hydrolases
Etoposide
U937 Cells
3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid
Cell Extracts
Peptides
Antibodies
Growth
Proteins

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

これを引用

Mashima, T., Naito, M., Noguchi, K., Miller, D. K., Nicholson, D. W., & Tsuruo, T. (1997). Actin cleavage by CPP-32/apopain during the development of apoptosis. Oncogene, 14(9), 1007-1012.

Actin cleavage by CPP-32/apopain during the development of apoptosis. / Mashima, Tetsuo; Naito, Mikihiko; Noguchi, Kohji; Miller, Douglas K.; Nicholson, Donald W.; Tsuruo, Takashi.

:: Oncogene, 巻 14, 番号 9, 1997, p. 1007-1012.

研究成果: Article

Mashima, T, Naito, M, Noguchi, K, Miller, DK, Nicholson, DW & Tsuruo, T 1997, 'Actin cleavage by CPP-32/apopain during the development of apoptosis', Oncogene, 巻. 14, 番号 9, pp. 1007-1012.
Mashima T, Naito M, Noguchi K, Miller DK, Nicholson DW, Tsuruo T. Actin cleavage by CPP-32/apopain during the development of apoptosis. Oncogene. 1997;14(9):1007-1012.
Mashima, Tetsuo ; Naito, Mikihiko ; Noguchi, Kohji ; Miller, Douglas K. ; Nicholson, Donald W. ; Tsuruo, Takashi. / Actin cleavage by CPP-32/apopain during the development of apoptosis. :: Oncogene. 1997 ; 巻 14, 番号 9. pp. 1007-1012.
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AU - Nicholson, Donald W.

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