#RNA2

29 Jan 2026

Hidden RNA aging clock found in human sperm

Researchers at University of Utah Health discovered an RNA “aging clock” in sperm. Using PANDORA-seq, they found age-related RNA changes in mice and humans and showed these RNAs can alter early embryo cells.

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Photo by GuerrillaBuzz, Unsplash

17 Dec 2025

Small RNA linked to cholesterol and heart disease

Researchers identified a small RNA, tsRNA-Glu-CTC, that helps control cholesterol by activating SREBP2. In mice, blocking the molecule lowered cholesterol and reduced atherosclerosis; human blood samples showed a similar association.

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