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Abstract
The accumulation of single nucleotide polymorphisms (SNPs) in the displacement loop (D-Loop) of mitochondrial DNA (mtDNA) has been identified for their association with cancer risk in different types of cancers. We investigated the gastric cancer risk profile of D-Loop SNPs in a case-control study. The frequent alleles of nucleotides 73G/A, 235A/G, 309C/C insert, 324C/G, 16,362T/C and 16,519C/T were significantly associated with an increased risk for gastric cancer, whereas the frequent alleles of nucleotides 523–524AC/del were associated with resistance to gastric cancer. In conclusion, SNPs in the mtDNA D-Loop were found to be valuable markers for gastric cancer risk evaluation.
Declaration of interest
All authors disclose any financial, consulting and personal relationships with other people or organizations that could influence their work.