Keratin is the fibrous, waterproof protein that builds everything from our hair and nails to a rhino’s horn. However, a tiny glitch in it can have problematic outcomes. A new study has found that changes in a keratin gene called KRT16 can lead to a rare condition known as pachyonychia congenita (PC). This disorder affects the skin, nails, and the lining of the mouth, and often causes painful, thick patches of skin—especially on the hands and feet.
This article was originally published on MedicalXpress.com
