Relationships between FTO rs9939609, MC4R rs17782313, and PPARγ rs1801282 polymorphisms and the occurrence of selected metabolic and hormonal disorders in middle-aged and elderly men – a preliminary study
Authors Rotter I, Skonieczna-Ĺ»ydecka K, Kosik-Bogacka D, Adler G, RyĹ‚ A, LaszczyĹ„ska M
Received 20 August 2016
Accepted for publication 5 October 2016
Published 23 November 2016 Volume 2016:11 Pages 1723—1732
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Akshita Wason
Peer reviewer comments 2
Editor who approved publication: Dr Richard Walker
Iwona Rotter,1 Karolina Skonieczna-Ĺ»ydecka,2 Danuta Kosik-Bogacka,3 GraĹĽyna Adler,2 Aleksandra RyĹ‚,4 Maria LaszczyĹ„ska4
1Department of Medical Rehabilitation, 2Department of Gerontobiology, 3Department of Biology and Medical Parasitology, 4Department of Histology and Developmental Biology, Pomeranian Medical University, Szczecin, Poland
Purpose: Metabolic disorders, including MetS, obesity, and lipid disorders, may be related to genetic factors. Metabolic disorders are associated with decreased TS levels in aging men. The aim of this study was to evaluate the relationship between FTO rs9939609, MC4R rs17782313, and PPARÉŁ rs1801282 polymorphisms and the presence of MetS and its components, the concurrent lipid disorders, as well as sex hormone concentrations.
Subjects and methods: This study involved 272 men of Caucasian descent aged 50–75 years. Lipid profile, including TCh, LDL, HDL, and TG, was evaluated by spectrophotometric method. Anthropometric measurements concerned WC and blood pressure. MetS was diagnosed according to the criteria of the IDF. Sex hormone profile, including TST, FTS, E2, DHEAS, and SHBG, was examined using enzyme-linked immunosorbent assay. Polymorphisms within FTO, MC4R, and PPARÉŁ genes were identified using polymerase chain reaction-restriction fragments length polymorphism.
Results: This study did not show links between the analyzed genetic polymorphisms and the presence of MetS, T2DM, HT, and obesity. However, higher concentrations of TCh and LDL were found in men with the FTO rs9939609 polymorphism in the recessive mode of inheritance (P=0.03 and P=0.05, respectively). Lower WC was found to be associated with MC4R rs17782313 gene inherited in the same model (P=0.005).
Conclusion: FTO rs9939609, MC4R rs17782313, and PPARÉŁ rs1801282 polymorphisms seem to have little effect on the incidence of metabolic malfunctions and no effect on androgen-related disorders in the examined middle-aged and elderly men.
Keywords: aging men, metabolic syndrome, sex hormones, genes, FTO, MC4R, PPARÉŁ
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