Connexin mutations causing skin disease and deafness increase hemichannel activity and cell death when expressed in Xenopus oocytes.

Abstract excerpt

Mutations in the GJB2 gene-encoding connexin 26 (Cx26) have been linked to skin disorders and genetic deafness. However, the severity and type of the skin disorders caused by Cx26 mutations are heterogeneous. Here we explored the effect of Cx26 KID syndrome-associated mutations, G12R, S17F, and D50N on channel function. The Cx26 N14K mutation was also examined that is associated with deafness but has a skin...

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