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Official Full Name: CDKN2B antisense RNA 1<br />Also known as: ANRIL; p15AS; PCAT12; CDKN2BAS; CDKN2B-AS; NCRNA00089<br />The gene is located in the CDKN2B-CDKN2A gene cluster on chromosome 9p21. The gene product is a functional RNA molecule that interacts with polycomb repressive complex-1 (PRC1) and -2 (PRC2), leading to epigenetic silencing of other genes in this cluster. This region is a significant genetic susceptibility locus for cardiovascular disease, and has also been linked to a number of other pathologies, including several cancers, intracranial aneurysm, type-2 diabetes, periodontitis, Alzheimer's disease, endometriosis, frailty in the elderly, and glaucoma . Multiple alternatively processed transcript variants have been detected, some of which may take the form of circular RNA molecules.