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A Variant Form of Ets1 Induces Apoptosis in Human Colon Cancer Cells

  1. Author:
    Huang, C. C.
    Papas, T. S.
    Bhat, N. K.

  2. Author Address

    Huang CC MED UNIV S CAROLINA HOLLINGS CANC CTR CTR MOL & STRUCT BIOL CHARLESTON, SC 29425 USA NCI FREDERICK CANC RES & DEV CTR SAIC RECOMBINANT DNA LAB FREDERICK, MD 21702 USA
    1. Year: 1997
  2. Journal: Oncogene
    1. 15
    2. 7
    3. Pages: 851-856
  4. Type of Article: Article
  1. Abstract:

    We have previously shown that the human ETS1 protein (pS1-ETS1), when ectopically expressed in colon cancer cell lines, is able to reduce its tumorigenicity without affecting its growth properties, To understand the mechanism of tumor reduction, we have expressed two different forms of ETS1 in colon cancer cell lines, Data presented in this paper indicate that the naturally occurring spliced variant protein, p42-ETS1, lacking the region encoded by ETS1 exon VII, represses the tumorigenicity, while p51-ETS1 reduces the tumorigenicity, Repression of tumorigenicity mediated by p42-ETS1 appears to be caused by its ability to induce apoptosis in epithelial cancer cells, This work can have profound medical significance in that it may open up new insights into the potential role of the p42-ETS1 in the induction of apoptosis in epithelial cell cancers and may provide a rationale for its use for potential gene therapy experiments to initiate cell death in cancer cells. [References: 20]

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