BRAF mutations in cutaneous melanoma are independently associated with age, anatomic site of the primary tumor, and the degree of solar elastosis at the primary tumor site
Bauer, Jürgen, Büttner, Petra, Murali, Rajmohan, Okamoto, Ichiro, Kolaitis, Nicholas A., Landi, Maria T., Scolyer, Richard A., and Bastian, Boris C. (2011) BRAF mutations in cutaneous melanoma are independently associated with age, anatomic site of the primary tumor, and the degree of solar elastosis at the primary tumor site. Pigment Cell and Melanoma Research , 24 (2). pp. 345-351.
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Oncogenic BRAF mutations are more frequent in cutaneous melanoma occurring at sites with little or moderate sun-induced damage than at sites with severe cumulative solar ultraviolet (UV) damage. We studied cutaneous melanomas from geographic regions with different levels of ambient UV radiation to delineate the relative effects of cumulative UV damage, age, and anatomic site on the frequency of BRAF mutations. We show that BRAF-mutated melanomas occur in a younger age group on skin without marked solar elastosis and less frequently affect the head and neck area, compared to melanomas without BRAF mutations. The findings indicate that BRAF-mutated melanomas arise early in life at low cumulative UV doses, whereas melanomas without BRAF mutations require accumulation of high UV doses over time. The effect of anatomic site on the mutation spectrum further suggests regional differences among cutaneous melanocytes.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||BRAF; genetics; melanoma; mutation; pathology; solar elastosis; ultraviolet radiation|
|Date Deposited:||06 Mar 2012 04:40|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1112 Oncology and Carcinogenesis > 111203 Cancer Genetics @ 70%
11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111706 Epidemiology @ 30%
|SEO Codes:||92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920102 Cancer and Related Disorders @ 80%
92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920404 Disease Distribution and Transmission (incl. Surveillance and Response) @ 20%
|Citation Count from Web of Science||