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Description

Bromodomain-containing protein 7 (UniProt Q9NPI1, also known as 75 kDa bromodomain protein, Protein CELTIX-1) is encoded by the BRD7 (also known as BP75, CELTIX1) gene (Gene ID 29117) in human. BRD7 is a ubiquitously expressed single bromodomain-/BRD-containing member of the family of BRD-containing proteins. BRD7 functions as a subunit of the SWI/SNF chromatin-remodeling complex involved in transcription regulation. It also interacts with the well known tumor suppressor p53 to trans-activate genes involved in cell cycle arrest. BRD7 is downregulated in colorectal carcinoma and nasopharyngeal carcinoma, and BRD7 overexpression is reported to inhibit nasopharyngeal carcinoma cell proliferation via cell cycle arrest by transcriptionally regulating ras/MEK/ERK, Rb/E2F, b-catenin and ERK pathways. BRD7 mRNA has been identified as a silencing target of miR-300, overexpression of miR-300 promotes the proliferation, invasion and EMT of osteosarcoma cells through targeting BRD7 mRNA.