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- W2321761736 abstract "Histone deacetylases (HDACs) remove acetyl groups from histones and other proteins, leading to alterations in protein activity and gene expression. Drugs that target these enzymes (HDAC inhibitors or HDACis) are currently approved for the treatment of specific cancers and are under study in numerous additional clinical trials. These drugs work by causing cell cycle arrest, differentiation or apoptosis. However, less is known about their potential effects on cancer cell migration and invasion, processes implicated in metastasis. There are eleven human zinc dependent histone deacetylases and many HDACis target several of these structurally related proteins in cells. Our studies are focused on HDACs1 and 2 which reside in large protein complexes, one of which is the Sin3 complex. This complex is important for promoter-mediated histone deacetylation, transcriptional repression and cell cycle control. We previously found that specific HDACis disrupt the function of the Sin3 complex in distinct ways. Here we describe the function of a novel subunit of the Sin3 complex, a previously uncharacterized protein, named “Family with sequence similarity 60, member A” (FAM60A). We find that FAM60A represses expression of genes linked to cancer cell migration and invasion. Moreover, we show that loss of FAM60A, or a core subunit of the Sin3 complex can increase the migration of lung cancer cells. This suggests that not all HDAC-related functions are cancer promoting, and adds to data suggesting that some HDAC-related functions may act in steps in metastasis suppression pathways. This suggests that some HDACis could increase the potential for metastasis. Current studies are focused on delineating the cancer-promoting functions of the complex from those that are tumor or metastasis suppressive and testing the effects of specific HDACis on cancer cell migration and invasion. Citation Format: {Authors}. {Abstract title} [abstract]. In: Proceedings of the 103rd Annual Meeting of the American Association for Cancer Research; 2012 Mar 31-Apr 4; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2012;72(8 Suppl):Abstract nr LB-267. doi:1538-7445.AM2012-LB-267" @default.
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- W2321761736 date "2012-04-15" @default.
- W2321761736 modified "2023-09-26" @default.
- W2321761736 title "Abstract LB-267: A role for the Sin3 histone deacetylase complex in cell migration" @default.
- W2321761736 doi "https://doi.org/10.1158/1538-7445.am2012-lb-267" @default.
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