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PUMA induces the rapid apoptosis of colorectal cancer cells.

Through global profiling of genes that were expressed soon after p53 expression, we identified a novel gene termed PUMA (p53 upregulated modulator of apoptosis). The protein encoded by PUMA was found to be exclusively mitochondrial and to bind to Bcl-2 and Bcl-X(L) through a BH3 domain. Exogenous expression of PUMA resulted in an extremely rapid and profound apoptosis that occurred much earlier than that resulting from exogenous expression of p53. Based on its unique expression patterns, p53 dependence, and biochemical properties, PUMA may be a direct mediator of p53-associated apoptosis.

Pubmed ID: 11463391


  • Yu J
  • Zhang L
  • Hwang PM
  • Kinzler KW
  • Vogelstein B


Molecular cell

Publication Data

March 15, 2001

Associated Grants

  • Agency: NCI NIH HHS, Id: CA 43460
  • Agency: NIGMS NIH HHS, Id: GM 07184

Mesh Terms

  • Amino Acid Sequence
  • Animals
  • Apoptosis
  • Binding Sites
  • Cell Cycle Proteins
  • Cell Division
  • Cell Line
  • Cloning, Molecular
  • Colorectal Neoplasms
  • Gene Expression Profiling
  • Gene Expression Regulation
  • Genes, Lethal
  • Genes, Reporter
  • Helminth Proteins
  • Humans
  • Mice
  • Mitochondria
  • Molecular Sequence Data
  • Nuclear Proteins
  • Promoter Regions, Genetic
  • Protein Binding
  • Protein Structure, Tertiary
  • Proto-Oncogene Proteins c-bcl-2
  • RNA, Messenger
  • Tumor Suppressor Protein p53
  • bcl-X Protein