Journal article

Strikingly low circulating CRP concentrations in ultramarathon runners independent of markers of adiposity - How low can you go?

M Tomaszewski, FJ Charchar, M Przybycin, L Crawford, AM Wallace, K Gosek, GD Lowe, E Zukowska-Szczechowska, W Grzeszczak, N Sattar, AF Dominiczak

ARTERIOSCLEROSIS THROMBOSIS AND VASCULAR BIOLOGY | LIPPINCOTT WILLIAMS & WILKINS | Published : 2003

Abstract

OBJECTIVE: This study was undertaken to evaluate to what extent C-reactive protein (CRP) can be reduced by exercise by examining its circulating concentrations in male ultramarathon runners and to determine if low leptin as a robust circulating marker of fat mass could account for low CRP in such men. METHODS AND RESULTS: Sixty-seven male ultramarathon runners and 63 sedentary male controls of similar age and body mass index were recruited. CRP and leptin were measured by ELISA and radioimmunoassay, respectively. Median CRP concentration in lean (body mass index <25 kg/m2) marathon runners was less than half control median (0.4 [0.2 to 0.9] mg/L versus 0.9 [0.5 to 2.7] mg/L, P=0.0013) and, m..

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University of Melbourne Researchers