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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Suppression of the novel growth inhibitor p33ING1 promotes neoplastic transformation.

Using a new strategy for tumour suppressor gene isolation based on subtractive hybridization and the subsequent selection of transforming 'genetic suppressor elements', we have cloned a novel gene called ING1 encoding a 33-kD protein (p33ING1) that displays characteristics of a tumour suppressor. Acute expression of transfected constructs encoding this gene inhibited cell growth while chronic expression of ING1 antisense constructs promoted cell transformation. Limited analyses of tumour cell lines show that mutation of the ING1 gene occurs in neuroblastoma cells and reduced expression was seen in some breast cancer cell lines. These results demonstrate that ING1 can act as a potent growth regulator in normal and in established cells and provide evidence for a role as a candidate tumour suppressor gene whose inactivation may contribute to the development of cancers.[1]


  1. Suppression of the novel growth inhibitor p33ING1 promotes neoplastic transformation. Garkavtsev, I., Kazarov, A., Gudkov, A., Riabowol, K. Nat. Genet. (1996) [Pubmed]
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