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Published on: September 7, 2013
Inherited variants in the MC1R gene and survival from cutaneous melanoma: a BioGenoMEL study
John R Davies1, Juliette Randerson-Moor, Kairen Kukalizch
1Section of Epidemiology and Biostatistics, Leeds Institute of Molecular Medicine, University of Leeds, Leeds, UK. j.r.davies@leeds.ac.uk
Abstract:
Inherited MC1R variants modulate MITF transcription factor signaling, which in turn affects tumor cell proliferation, apoptosis, and DNA repair. The aim of this BioGenoMEL collaborative study in 10 melanoma cohorts was to test the hypothesis that inherited variants thereby moderate survival expectation. A survival analysis in the largest cohort (Leeds) was carried out adjusting for factors known to impact on survival. The results were then compared with data from nine smaller cohorts. The absence of any consensus MC1R alleles was associated with a significantly lower risk of death in the Leeds set (HR, 0.64; 95% CI, 0.46-0.89) and overall in the 10 data sets (HR, 0.78; 95% CI, 0.65-0.94) with some support from the nine smaller data sets considered together (HR, 0.83; 95% CI, 0.67-1.04). The data are suggestive of a survival benefit for inherited MC1R variants in melanoma patients.
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