Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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3/2017
vol. 34
 
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abstract:
Original paper

Polymorphisms of catechol-O-methyltransferase (COMT rs4680:G>A) and μ-opioid receptor (OPRM1 rs1799971:A >G) in relation to pain perception in combat athletes

Katarzyna Leźnicka
1
,
Mateusz Kurzawski
2
,
Paweł Cięszczyk
3
,
Krzysztof Safranow
4
,
Damian Malinowski
5
,
Ewa Brzeziańska-Lasota
6
,
Piotr Zmijewski
7

  1. University of Szczecin, Department of Physical Culture and Health Promotion, Szczecin, Poland
  2. Department of Experimental and Clinical Pharmacology, Pomeranian Medical University, Szczecin, Poland
  3. Faculty of Physical Education, Gdansk University of Physical Education and Sport, Gdańsk, Poland
  4. Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Szczecin, Poland
  5. Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Szczecin, Poland
  6. Department of Molecular Bases of Medicine, 1st Chair of Internal Diseases, Medical University of Lodz, Poland
  7. Institute of Sport – National Research Institute, Warsaw, Poland
Biol. Sport 2017;34:295-301
DOI: https://doi.org/10.5114/biolsport.2017.67856
Online publish date: 2017/10/23
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In athletes, pain has diverse functions and a complex etiology. Its role is not limited to indicating the limits of the body, especially in areas that are exposed to maximal forces and stresses and consequently vulnerable to damage or injury. Several common single nucleotide polymorphisms (SNPs) have been recently associated with inter individual differences in pain perception. Among several other markers, catechol-O-methyltransferase (COMT rs4680:G>A) and the μ-opioid receptor (OPRM1 rs1799971:A >G) were proposed as key factors for pain perception. The aim of the current study was to investigate the potential association between COMT and OPRM1 genotypes and pain perception as well as the relation with elite athlete status. The study involved 395 healthy men, aged 18 to 28 years; 214 combat sports athletes comprised the experimental group and 181 non-athletes comprised the control group. DNA was extracted from buccal cells donated by the subjects, and genotyping for COMT rs4680 and OPRM1 rs1799971 was carried out using real-time PCR. Measurement of the pain threshold and pain tolerance was performed using an algometer and the cold pressor test. The genotype distribution of COMT and OPRM1 polymorphisms did not differ between combat athletes and the control group (p=0.500 and p=0.390). Pain threshold and pain tolerance as both quantitative and qualitative measures did not differ with respect to OPRM1 and COMT polymorphism in either the combat or the control group for any of the analysed genetic models.
keywords:

Combat athletes, Pain perception, COMT gene, OPRM1 gene

  
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