What Is Pachyonychia Congenita?

Pachyonychia Congenita (PC) is an ultra-rare genetic autosomal dominant skin disorder. PC is caused by a mutation in one of five keratin genes KRT6A, KRT6B, KRT6C, KRT16 or KRT17. Keratin genes are responsible for production of keratins, which are tough, fibrous proteins that form filaments to support skin cells and give them shape and strength. Keratin filaments help cells handle pressure and stretching. With PC, … Continue reading What Is Pachyonychia Congenita?