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small RNA molecules that regulate gene expression by binding mRNA

MicroRNA (miRNA) are small, non-coding RNA molecules, typically about 22 nucleotides long, that play a crucial role in regulating gene expression. They function by binding to complementary sequences on messenger RNA (mRNA) molecules, leading to mRNA degradation or inhibition of translation, thereby controlling various biological processes, including development, differentiation, and disease.

Related Terms

• miR-100
• MicroRNAs
• miR-155
• miR-22
• miR-31
• miR-205
• miR-125b
• miR-21