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KMID : 0388120140230030203
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Journal of Korean Society for the Study of Obesity
2014 Volume.23 No. 3 p.203 ~ p.210
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The Effects of Marathon Running on Retinol Binding Protein 4 and C-reactive Protein Levels in Healthy Middle-aged Korean Men
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Chae Ji-Suk
Kim Sung-Min
Lee Jung-A
Jeon Justin Y.
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Abstract
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Background: The purpose of this study was to investigate the effects of marathon running (42.195 km) on retinol binding protein4 (RBP4) and C-reactive protein (CRP) in healthy middle aged Korean men.
Methods: Fourteen men aged from 40 to 50 participated in the current study. Eight participants completed marathon running while six participants in the control group took a rest. Blood samples were collected 90 minutes before running the marathon and right after it. Blood samples from the control group were drawn approximately at the same time.
Results: Marathon running (average marathon finishing time: 256.75±11.52 min) did not influence plasma levels of RBP4 (pre: 86.63±28.87 vs. post: 92.22±42.20 μg/mL) or CRP (pre: 0.04±0.04 vs. post: 0.04±0.04 mg/dL). After running the marathon, white blood cells increased by 235% (pre: 5.80±1.64 th/mm3 vs. post: 13.62±3.62 th/mm3). Total cholesterol level also increased significantly after marathon running (P<0.05).
Conclusion: Marathon running did not affect RBP4 or CRP levels, but it increased WBC level significantly. Further studies are needed to elucidate the exact physiological indicators associated with marathon running, as in WBC, RBP4, and CRP.
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KEYWORD
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RBP4, Acute aerobic exercise, Marathon, Middle-aged Korean men
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