Target intelligence / Profile preview

microRNA-122 (miR-122)

Target
miR-122
Molecular classification
microRNA, Non-coding RNA
01

Overview

microRNA-122 (miR-122) is a highly conserved, liver-specific microRNA that plays critical roles in hepatic biology, disease, and metabolism. It is one of the most abundant miRNAs in the liver, constituting up to 70% of total hepatic miRNAs. It functions primarily through binding to complementary sequences within the 3′ untranslated regions (UTRs) of target mRNAs via its seed sequence, leading to mRNA degradation or translational repression.

Other names
hsa-miR-122MIR122
02

Mechanism of action

Binds to the 3' UTR of target mRNAs, leading to mRNA degradation or translational repression.

03

Biological functions

Regulation of cholesterol/fatty acid metabolismModulation of innate immunityTumor suppressionRegulation of gene expressionPost-transcriptional regulation
04

Disease associations

Hepatocellular carcinomaBile duct cancerHepatitis C virus infectionMetabolic disordersLiver injury
05

Safety considerations

Potential off-target effects of anti-miR therapiesContext-dependent dual roles in cancer
06

Interacting drugs

Antisense oligonucleotides targeting miR-122

1 more in the full profile.

07

Biomarkers

Elevated serum/plasma levels correlate with hepatocyte damageBiomarker for liver injury/cancer/viral hepatitisHepatitis C virus infection/disease progression

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