MIR133A1

MIR133A1
Identifiers
Aliases	MIR133A1, MIRN133A1, mir-133a-1, microRNA 133a-1
External IDs	OMIM: 610254 GeneCards: MIR133A1
Gene location (Human)
Chr.	Chromosome 18 (human)[1]
End	21,825,785 bp[1]
RNA expression pattern
	Top expressed in
	body of stomach; ; left ventricle; ; ascending aorta; ; subcutaneous adipose tissue; ; skin of abdomen; ; canal of the cervix; ; dorsolateral prefrontal cortex; ; cerebellar hemisphere; ; left lobe of thyroid gland; ; spleen;
	n/a
	More reference expression data
	n/a
Orthologs
	406922
	n/a
	ENSG00000283927
	n/a
	n; a
	n/a
	n/a
	n/a
	n/a
	n/a
	Wikidata
View/Edit Human

MicroRNA 133a-1 is a MicroRNA that in humans is encoded by the MIR133A1 gene, and is a known extracellular RNA (exRNA).[3]

Function

microRNAs (miRNAs) are short (20-24 nt) non-coding RNAs that are involved in post-transcriptional regulation of gene expression in multicellular organisms by affecting both the stability and translation of mRNAs. miRNAs are transcribed by RNA polymerase II as part of capped and polyadenylated primary transcripts (pri-miRNAs) that can be either protein-coding or non-coding. The primary transcript is cleaved by the Drosha ribonuclease III enzyme to produce an approximately 70-nt stem-loop precursor miRNA (pre-miRNA), which is further cleaved by the cytoplasmic Dicer ribonuclease to generate the mature miRNA and antisense miRNA star (miRNA*) products. The mature miRNA is incorporated into a RNA-induced silencing complex (RISC), which recognizes target mRNAs through imperfect base pairing with the miRNA and most commonly results in translational inhibition or destabilization of the target mRNA. The RefSeq represents the predicted microRNA stem-loop.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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