ScienceAugust 5, 2026
micrornas
MY-kroh-ar-en-AYZ
Definition
Small, non-coding RNA molecules found in biological substances like breast milk that play essential roles in regulating gene expression.
Etymology
Derived from 'micro-' (meaning small) and 'RNA' (ribonucleic acid), referring to their relatively short molecular length compared to other types of RNA.
In the news
The article lists microRNAs as one of the complex, living biological components of breast milk that contribute to its health benefits and cannot be replicated by artificial formula.
Breastfeeding Rates in Greece Remain Low Despite Benefits
Read the full article ↗Greek City Times