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Amplification of zinc finger gene 217 (ZNF217) and cancer: when good fingers go bad. | LitMetric

Amplification of zinc finger gene 217 (ZNF217) and cancer: when good fingers go bad.

Biochim Biophys Acta

School of Molecular and Microbial Biosciences, G08, University of Sydney, NSW 2006, Australia.

Published: June 2007

AI Article Synopsis

Article Abstract

Chromosome 20q13 is highly amplified in human cancers, including 20-30% of early stage human breast cancers. The amplification correlates with poor prognosis. Over-expression of the zinc-finger protein 217 (ZNF217), a candidate oncogene on 20q13.2, in cultured human mammary and ovarian epithelial cells can lead to their immortalization, indicating that selection for ZNF217 expression may drive 20q13 amplification during critical early stages of cancer progression. ZNF217 can also attenuate apoptotic signals resulting from exposure to doxorubicin, suggesting that ZNF217 expression may also be involved in resistance to chemotherapy. Recent findings indicate that ZNF217 binds specific DNA sequences, recruits the co-repressor C-terminal binding protein (CtBP), and represses the transcription of a variety of genes. Inappropriate expression of ZNF217 may lead to aberrant down-regulation of genes involved in limiting the proliferation, survival, and/or invasiveness of cancer cells. Better understanding of ZNF217 and its associated pathways may provide new targets for therapeutic intervention in human cancers.

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Source
http://dx.doi.org/10.1016/j.bbcan.2007.05.001DOI Listing

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