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Homo sapiens (human) microRNA hsa-mir-512 precursor (hsa-mir-512-1) secondary structure diagram

Homo sapiens (human) microRNA hsa-mir-512 precursor (hsa-mir-512-1) URS000075DF19_9606

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MIR512-1: MIR512-1 is a miRNA gene that belongs to the C19MC miRNA gene cluster. It is a placental-specific miRNA gene that has been found to have complex methylation patterns. The promoter of the pri-miRNA for MIR512-1 is maternally methylated in placenta but fully methylated in somatic tissues [PMC3975056]. The methylation profiling of the MIR512-1 cluster has revealed that the differentially methylated region (DMR) of MIR512-1 is unmethylated in hydatidiform moles compared to partially methylated placenta [PMC3975056]. The DMR of MIR512-1 is approximately 5 kb in size and includes the promoter CpG island [PMC3975056]. Interestingly, most placental-specific DMRs, including MIR512-1, do not inherit methylation from gametes and are devoid of methylation in human embryonic stem cells [PMC3975056]. These complex methylation states at the MIR512-1 locus dictate complex allelic expression, with restricted paternal expression of the MIR512-1 pri-miRNA and reciprocal imprinting of ZNF331 [PMC3975056]. Additionally, it has been found that there may be more unknown imprinted DMRs solely present in placental tissues, as highlighted by the presence of DMRs for both MIR512-1 and GPR1-AS [PMC3975056]. The cumulative expression levels of all 46 C19MC miRNA genes, including MIR512-1, have been analyzed in breast invasive carcinoma using miRNASeq dataset [PMC6193703].

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Gene Ontology annotations

Sequence

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UCUCAGUCUGUGGCACUCAGCCUUGAGGGCACUUUCUGGUGCCAGAAUGAAAGUGCUGUCAUAGCUGAGGUCCAAUGACUGAGG

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2D structure Publications