Sunlight-induced cancer: some new aspects and implications of the xeroderma pigmentosum model.

Abstract excerpt

Symptoms of xeroderma pigmentosum, a hereditary disease characterized by accelerated light-induced ageing of the skin, are due to deficiencies in the repair of damaged DNA. Following UV irradiation a high incidence of thioguanine-resistant mutations have been observed, which may be a model for the abnormally high incidence of freckling and benign and malignant transformation observed in these patients. Cells from...

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