Genetic variants in the genes encoding rho GTPases and related regulators predict cutaneous melanoma-specific survival

International Journal of Cancer. Journal International Du Cancer
Shun LiuQingyi Wei

Abstract

Rho GTPases control cell division, motility, adhesion, vesicular trafficking and phagocytosis, which may affect progression and/or prognosis of cancers. Here, we investigated associations between genetic variants of Rho GTPases-related genes and cutaneous melanoma-specific survival (CMSS) by re-analyzing a published melanoma genome-wide association study (GWAS) and validating the results in another melanoma GWAS. In the single-locus analysis of 36,018 SNPs in 129 Rho-related genes, 427 SNPs were significantly associated with CMSS (p < 0.050 and false-positive report probability <0.2) in the discovery dataset, and five SNPs were replicated in the validation dataset. Among these, four SNPs (i.e., RHOU rs10916352 G > C, ARHGAP22 rs3851552 T > C, ARHGAP44 rs72635537 C > T and ARHGEF10 rs7826362 A > T) were independently predictive of CMSS (a meta-analysis derived p = 9.04 × 10-4 , 9.58 × 10-4 , 1.21 × 10-4 and 8.47 × 10-4 , respectively). Additionally, patients with an increasing number of unfavorable genotypes (NUGs) of these loci had markedly reduced CMSS in both discovery dataset and validation dataset (ptrend =1.47 × 10-7 and 3.12 × 10-5 ). The model including the NUGs and clinical variables demonstrated a significant improveme...Continue Reading

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Dec 18, 2018·Molecular Carcinogenesis·Mariusz L HartmanMalgorzata Czyz
Oct 12, 2019·Experimental Dermatology·Viktória KoroknaiMargit Balázs
Oct 12, 2019·Chinese Medical Sciences Journal = Chung-kuo I Hsüeh K'o Hsüeh Tsa Chih·Shan YuJia Yu

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