Journal
BMC CANCER
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12885-021-08620-y
Keywords
Single nucleotide polymorphism; p; Gln223Arg; LEP-R; c; 668A>G; rs1137101; Endometrial cancer; Uterine leiomyomas; Uterine fibroids; Leptin; Obesity; Adipokines
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Funding
- Polish Mother's Memorial Hospital -Research Institute, Lodz, Poland [2015/VII/29-MN]
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The study found that the AG heterozygous genotype of SNP LEP-R c.668A>G in the leptin receptor gene is less frequent in women with endometrial cancer compared to controls, and also less frequent in obese women with EC compared to lean controls.
Background The aim of this study was to analyze the frequencies of genotypes and alleles of Single Nucleotide Polymorphism (SNP) LEP-R c.668A>G (p.Gln223Arg, rs1137101) of leptin receptor gene and to assess the influence this DNA marker has on endometrial cancer (EC) with respect to total body fat content. Methods The study comprised 120 patients treated for endometrial cancer and 90 controls treated for uterine fibroids. In total, 210 patients were included in this research. DNA was isolated from archival post-operative specimens. Polymerase Chain Reaction - Restriction Fragment Length Polymorphism was employed to analyze the SNP. Results In this paper we have demonstrated that heterozygous genotype AG of SNP LEP-R c.668A>G (p.Gln223Arg, rs1137101) is statistically less frequent in women with endometrial cancer (EC) than in controls: 33 versus 57%, respectively. Similarly, this heterozygous genotype is statistically significantly less frequent in obese (BMI > 30) women with EC than in lean controls (BMI < 25): 30 versus 63%, respectively. Conclusions AG polymorphic variant of SNP LEP-R c.668A>G (p.Gln223Arg, rs1137101) in LEP-R may be considered a protective factor in the development of endometrial cancer.
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