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- W4362492004 abstract "<div>Abstract<p>NFBD1/MDC1 is involved in DNA damage checkpoint signaling and DNA repair. NFBD1 binds to the chromatin component γH2AX at sites of DNA damage, causing amplification of ataxia telangiectasia-mutated gene (ATM) pathway signaling and recruitment of DNA repair factors. Residues 508–995 of NFBD1 possess transactivation activity, suggesting a possible role of NFBD1 in transcription. Furthermore, NFBD1 influences p53-mediated transcription in response to adriamycin. We sought to determine the role of NFBD1 in ionizing radiation (IR)–responsive transcription and if NFBD1 influences transcription independently of p53.</p><p>Using microarray analysis, we identified genes altered upon NFBD1 knockdown. Surprisingly, most NFBD1 regulated genes are regulated in both the absence and presence of IR, thus pointing toward a novel function for NFBD1 outside of the DNA damage response. Furthermore, NFBD1 knockdown regulated genes mostly independent of p53 knockdown. These genes are involved in pathways including focal adhesion signaling, carbohydrate metabolism, and insulin signaling.</p><p>We found that <i>CAV1</i> and <i>CAV2</i> mRNA and protein levels are reduced by both NFBD1 knockdown and knockout independently of IR and p53. NFBD1-depleted cells exhibit some similar phenotypes to Cav1-depleted cells. Furthermore, like Cav1-depletion, NFBD1 shRNA increases Erk phosphorylation. Thus, Cav1 could act as a mediator of the DNA-damage independent effects of NFBD1 in mitogenic signaling. <i>Mol Cancer Res; 9(6); 766–81. ©2011 AACR</i>.</p></div>" @default.
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- W4362492004 date "2023-04-03" @default.
- W4362492004 modified "2023-10-17" @default.
- W4362492004 title "Data from NFBD1/MDC1 Regulates Cav1 and Cav2 Independently of DNA Damage and p53" @default.
- W4362492004 doi "https://doi.org/10.1158/1541-7786.c.6541959" @default.
- W4362492004 hasPublicationYear "2023" @default.
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