N-ras mutations in human cutaneous melanoma from sun-exposed body sites - PubMed (original) (raw)

N-ras mutations in human cutaneous melanoma from sun-exposed body sites

L J van 't Veer et al. Mol Cell Biol. 1989 Jul.

Abstract

In 7 of 37 patients with cutaneous melanoma, mutations in the N-ras gene were found. The primary tumors of these seven patients were exclusively localized on body sites continuously exposed to sunlight. Moreover, the ras mutations were all at or near dipyrimidine sites known to be targets of UV damage. Two primary tumors were biclonal with respect to ras mutation. An active role for UV irradiation in induction of the mutations is suggested.

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