Induction of apoptosis by the mouse Nedd2 gene, which encodes a protein similar to the product of the Caenorhabditis elegans cell death gene ced-3 and the mammalian IL-1β-converting enzyme

Sharad Kumar, Makoto Kinoshita, Makoto Noda, Neal G. Copeland, Nancy A. Jenkins

Research output: Contribution to journalArticle

568 Scopus citations

Abstract

By subtraction cloning we previously identified a set of mouse genes (named Nedd1 through Nedd10) with developmentally down-regulated expression in brain. We now show that one such gene, Nedd2, encodes a protein similar to the mammalian interleukin-1β-converting enzyme (ICE) and the product of the Caenorhabditis elegans cell death gene ced-3 (CED-3). Both ICE and CED-3 are known to encode putative cysteine proteases and induce apoptosis when overexpressed in cultured cells. Overexpression of Nedd2 in cultured fibroblast and neuroblastoma cells also resulted in cell death by apoptosis, which was suppressed by the expression of the human bcl-2 gene, indicating that Nedd2 is functionally similar to the ced-3 gene in C. elegans. We also show that during embryonic development, Nedd2 is highly expressed in several types of mouse tissue undergoing high rates of programmed cell death such as central nervous system and kidney. Our data suggest that Nedd2 is an important component of the mammalian programmed cell death machinery.

Original languageEnglish (US)
Pages (from-to)1613-1626
Number of pages14
JournalGenes and Development
Volume8
Issue number14
DOIs
StatePublished - Jul 15 1994

Keywords

  • CED-3
  • cysteine protease
  • development
  • ICE
  • Programmed cell death

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

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