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pubmed:abstractText |
Cutaneous malignant melanoma (CMM) is an interesting example of multifactorial disease, where both genetic and environmental factors are involved and interact. Major risk factors include a personal and familial history of melanoma, cutaneous and pigmentary characteristics, sun exposure and reactions to sun exposure. Phenotypic risk factors are likely to be genetically determined. Two high-risk melanoma susceptibility genes-CDKN2A and CDK4-have been identified to date, with a third gene p14(ARF) also being suspected of playing a role. Other high-risk genes are anticipated by the existence of 9p21-unlinked families. A low-risk melanoma-susceptibility gene-MC1R-has also been identified. Current studies aim to identify other susceptibility genes as well as to determine the respective contributions and interactions of the various genetic and environmental factors of CMM and associated phenotypes.
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