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Changes in Skeletal Muscle Troponin T and Vitamin D Binding Protein (DBP) Concentrations in the Blood of Male Amateur Athletes Participating in a Marathon and 100 km Adventure Race

Author

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  • Jacek Borkowski

    (Department of Physiology and Biochemistry, Wroclaw University of Health and Sport Sciences, 35 J.I. Paderewski Avenue, 51-612 Wroclaw, Poland)

  • Tadeusz Stefaniak

    (Department of Immunology, Pathophysiology and Veterinary Preventive Medicine, Wrocław University of Environmental and Life Sciences, C.K. Norwida 31 Str, 50-375 Wrocław, Poland)

  • Piotr Cych

    (Department of Sport Didactics, Wroclaw University of Health and Sport Sciences, 35 J.I. Paderewski Avenue, 51-612 Wroclaw, Poland)

Abstract

This study assessed changes in creatine kinase (CK) activity and skeletal muscle troponin T (sTnT) concentrations in the blood, to estimate the degree of muscle degradation after exercise. In addition, the concentration of vitamin D binding protein (DBP) in the blood was assessed. DBP concentrations were measured in blood as a marker for plasma load by monomeric actin. The study included marathon (MR) participants and 100 km adventure race (AR) participants, who were examined before and after the race. There was a significant (16-fold) increase in CK activity among AR participants, and a significant increase in sTnT concentration―127% in the MR group and 113% in the AR group, while there was a statistically significant decrease in DBP concentration by 14% in the AR group. In addition, it was observed that the initial concentration of DBP in both groups was in a normal range, but was lower than the average population, and the DBP concentration in the AR group was lower than in the MR group. It was concluded that exhausting physical effort such as a marathon or adventure races causes muscle damage with a far stronger influence on sarcoplasm than on filaments. The short-term and slight reduction in the concentration of DBP in blood after such efforts may be due to the appearance of monomeric actin in plasma.

Suggested Citation

  • Jacek Borkowski & Tadeusz Stefaniak & Piotr Cych, 2023. "Changes in Skeletal Muscle Troponin T and Vitamin D Binding Protein (DBP) Concentrations in the Blood of Male Amateur Athletes Participating in a Marathon and 100 km Adventure Race," IJERPH, MDPI, vol. 20(9), pages 1-10, May.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:9:p:5692-:d:1137794
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    References listed on IDEAS

    as
    1. Damien Vitiello & Florent Palacin & Luc Poinsard & Marine Kirsch & Steeve Jouini & Véronique Billat, 2021. "Marathon-Induced Cardiac Fatigue: A Review over the Last Decade for the Preservation of the Athletes’ Health," IJERPH, MDPI, vol. 18(16), pages 1-11, August.
    2. Rafal Hebisz & Jacek Borkowski & Paulina Hebisz, 2022. "Creatine Kinase and Myoglobin Plasma Levels in Mountain Bike and Road Cyclists 1 h after the Race," IJERPH, MDPI, vol. 19(15), pages 1-10, August.
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