# A yak gene may have solved what a 2021 pharma failure could not

- slug: a-yak-gene-may-have-solved-what-a-2021-pharma-failure-could-not
- date: 2026-04-16
- category: Biotech & Life Sciences

A yak gene mutation found on the Tibetan Plateau points Texas biotech Io Therapeutics toward a drug that repairs myelin damage — the thing MS patients have been waiting for, and the thing that failed catastrophically the last time the industry tried.

---