Constitutional Variants Inpot1,Terf2ip, Andacdgenes In Patients With Melanoma In The Polish Population

EUROPEAN JOURNAL OF CANCER PREVENTION(2020)

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摘要
Evaluation of the prevalence ofPOT1,ACD, andTERF2IPmutations among Polish melanoma patients. A cohort of 60 patients from melanoma-prone families, 1500 unselected cases and 1500 controls were genotyped. Methodology included Sanger sequencing, in-silico software predilection, and TaqMan assays. We identified three nonsynonymous variants:POT1c.903 G>T;TERF2IPc.970 A>G; and ACD c.1544 T>C and a splice site variantACDc.645 G>A. The c.903 G>T was predicted to be pathogenic according to PolyPhen-2, benign according to Mutation Taster, PROVEAN, AGVGD, and SIFT. The c.645 G>A was defined as disease caused by Mutation Taster and Human Splicing Finder and as variant of unknown significance by ClinVar. The other detected variants were described as benign. The c.903 G>T variant was present in two unselected cases and one control [P= 0.57, odds ratio (OR) = 2.00]; the c.645 G>A variant was not detected among the unselected cases and the controls; the c.970 A>G variant was present in 110 cases and 133 controls (P= 0.14, OR = 0.81); the c.1544 T>C variant was present in 687 cases and 642 controls (P= 0.11, OR = 1.07). We found no loss of heterozygosity of the c.903 G>T, c.970 A>G, and c.645 G>A variants. C.645 G>A variant had no effect on splicing or expression. The changes inPOT1c.903 G>T andACDc.645 G>A can be classified as rare variants of unknown significance, the other variants appear to be polymorphisms. Germline mutations inPOT1,ACD, andTERF2IPare infrequent among Polish melanoma patients.
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关键词
ACD, melanoma, mutation, POT1, Sanger sequencing, TERF2IP
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