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Literature DB >> 20215515

A genome-wide screen for microdeletions reveals disruption of polarity complex genes in diverse human cancers.

S Michael Rothenberg¹, Gayatry Mohapatra, Miguel N Rivera, Daniel Winokur, Patricia Greninger, Mai Nitta, Peter M Sadow, Gaya Sooriyakumar, Brian W Brannigan, Matthew J Ulman, Rushika M Perera, Rui Wang, Angela Tam, Xiao-Jun Ma, Mark Erlander, Dennis C Sgroi, James W Rocco, Mark W Lingen, Ezra E W Cohen, David N Louis, Jeffrey Settleman, Daniel A Haber.

Abstract

In a genome-wide screen of 684 cancer cell lines, we identified homozygous intragenic microdeletions involving genes encoding components of the apical-basal cell polarity complexes. Among these, PARD3 is disrupted in cell lines and primary tumors from squamous carcinomas and glioblastomas. Reconstituting PARD3 expression in both cell types restores tight junctions and retards contact-dependent proliferation. Searching specifically for small intragenic microdeletions using high-resolution genomic arrays may be complementary to other genomic deletion screens and resequencing efforts in identifying new tumor suppressor genes.

Entities: Chemical

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Year: 2010 PMID： 20215515 PMCID： PMC2881662 DOI： 10.1158/0008-5472.CAN-09-3458

Source DB: PubMed Journal: Cancer Res ISSN： 0008-5472 Impact factor: 12.701

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Journal: Hum Mutat Date: 2017-02-15 Impact factor: 4.878