Gender Disparity and Mutation Burden in Melanoma

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Gender Disparity and Mutation Burden in Melanoma

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Title: Gender Disparity and Mutation Burden in Melanoma
Author: Gupta, Sameer ORCID  0000-0002-1812-6555
Citation: Gupta, Sameer. 2016. Gender Disparity and Mutation Burden in Melanoma. Doctoral dissertation, Harvard Medical School.
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Abstract: A female advantage in melanoma incidence and outcome has been consistently observed but remains unexplained. We hypothesized that tumors are genetically distinct between men and women and analyzed the mutation spectra in 266 metastatic melanomas (102 women and 164 men) from The Cancer Genome Atlas (TCGA). We found a statistically significantly greater burden of missense mutations among men (male median 298 vs female median = 211.5; male-to-female ratio [M:F] = 1.85, 95% confidence interval [CI] = 1.44 to 2.39). We validated these initial findings using available data from a separate melanoma exome cohort (n = 95) and found a similar increase in missense mutations among men (male median 393 vs female median 259; M:F = 1.59, 95% CI = 1.12 to 2.27). In addition, survival improves with increasing log-transformed missense mutation count (univariate hazard ratio = 0.82, 95% CI = 0.69 to 0.98) for TCGA samples. Our analyses are the first to demonstrate a gender difference in mutation burden in cutaneous melanoma.
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27007743
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