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MicroRNA 548aw (miR-548aw)
- Target
- miR-548aw
- Molecular classification
- microRNA, non-coding RNA
01
Overview
MicroRNA 548aw is a member of the mir-548 family, a large collection of primate-specific, poorly conserved microRNAs located across most human chromosomes[4]. As a miRNA, miR-548aw is a short non-coding RNA (20-24 nucleotides) that regulates gene expression post-transcriptionally by binding to complementary sequences on target mRNAs, resulting in translational repression or mRNA degradation[1][2][5][4]. These mechanisms impact diverse biological processes such as cell proliferation, cell cycle control, and apoptosis[2][4][5]. The family is notable for its evolutionary diversity and potential involvement in cancer, inflammation, and other gene regulatory networks[4][8][9].
- Other names
- hsa-mir-548awMIR548AWmiR-548awmicroRNA 548aw
02
Mechanism of action
Synthetic miRNA mimics can upregulate microRNA activity in cells for functional analyses. Inhibition of regulatory targets via suppression/degradation of specific mRNAs.
03
Biological functions
Post-transcriptional regulation of gene expressionRegulation of mRNA stability and translationParticipation in signaling pathwaysGene silencing by mRNA cleavage or translational repressionPotential involvement in cell proliferation, cell cycle, and apoptosis, depending on cellular context
04
Disease associations
Cancer (as part of the mir-548 family, implicated in cancer-related regulatory networks, though specific roles for miR-548aw may vary)Inflammation/preterm birth (mir-548 family members regulate HMGB1 expression, impacting inflammatory responses and preterm birth)
05
Safety considerations
Off-target gene regulationlack of specificitychallenges with delivery and stability for miRNA-based therapeutics or diagnostics
06
Biomarkers
Differential miRNA expression correlates with cancer subtypes and may help distinguish cancer typesUnder-expression in inflammation/preterm birth contexts
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