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Abstract
Single nucleotide polymorphisms (SNPs) in the Displacement-loop (D-loop) region of mitochondrial DNA have been reported to be associated with cancer risk in various types of cancer. To assess the frequency of D-loop SNPs in a large series of liposarcoma and establish correlations with cancer risk, we sequenced the D-loop of 82 liposarcoma patients and analyzed their use as predictive biomarkers for liposarcoma risk. The minor alleles of nucleotides 73G, 523–524del, 16,290T, 16,319A, 16,356C were associated with an increased risk for liposarcoma patients, whereas the insertion of C at the site 315 (located within the D310) were associated with a decreased risk for liposarcoma patients. These results suggest that SNPs in the mitochondrial D-loop should be considered as a biomarker which may be useful for the early detection of liposarcoma in individuals at risk of this cancer.
Declaration of interest
Authors disclose that they do not have any financial, consulting and personal relationships with other people or organizations that could influence the author’s work.