MKRN2 opposite strand (MKRN2OS)

MKRN2OS (MKRN2 opposite strand) is a gene located on human chromosome 3 that encodes an RNA molecule, with protein-coding status debated; it is also known as C3orf83, MKRN2-AS1, and MKRN2 antisense RNA 1[6][9]. The available evidence indicates *MKRN2OS* is a distinct genetic locus from *MKRN2*, though its functional and therapeutic characterization remains limited and incomplete. MKRN2OS (MKRN2 opposite strand) is a gene located on chromosome 3, transcribed in the antisense orientation to the MKRN2 gene[6][9]. It has also been known as C3orf83 and MKRN2-AS1, and historical annotations conflict about whether it encodes a protein or functions solely as a long non-coding RNA[9]. Human databases (such as GeneCards and NCBI) now primarily classify MKRN2OS as a gene that may produce a non-coding RNA transcript, though certain entries have described a hypothetical or predicted protein product called "MKRN2 opposite strand protein"[6][9]. Current knowledge indicates a lack of clear evidence that this gene represents a validated therapeutic target such as a receptor, enzyme, channel, or transporter. Expression data suggests MKRN2OS may have a functional role in adipogenesis and lipid metabolism, though evidence remains preliminary and no direct mechanistic role or therapeutic targeting has been validated[4]. Disease database associations link MKRN2OS variants to rare inherited retinal diseases, but its pathogenic mechanisms, if any, remain speculative[9]. There are no reported drug interactions, biomarkers, or established safety concerns; overall, current resources do not support MKRN2OS as an established therapeutic target. Key clarifications: - *MKRN2OS is frequently confused with MKRN2 (Makorin Ring Finger Protein 2), which is a well-studied E3 ligase and cell regulatory protein[5][7], but MKRN2OS is a distinct gene and not a canonical drug target*. - *Most sources classify MKRN2OS as a non-coding RNA or potential lncRNA; proteomic and mechanistic data supporting it as a functional protein or validated drug target are currently lacking or disputed*[6][9].

Other names

MKRN2OSMKRN2 opposite strand proteinC3orf83MKRN2-AS1MKRN2 antisense RNA 1MKRN2 antisense gene protein 1