UVB-induced mutations in human key gatekeeper genes governing signalling pathways and consequences for skin tumourigenesis.

Abstract excerpt

The UVB component of the solar spectrum induces DNA lesions that, in the absence of error-free DNA repair, may give rise during DNA replication to mutations in caretaker and gatekeeper genes. The DNA repair genes are the best candidates for caretaker genes as exemplified by the human hereditary xeroderma pigmentosum (XP) syndrome. Cultured XP cells are hypermutable after UVB irradiation. This increased mutation...

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