The aim of this study is to evaluate the effect of muscular exercise on iron metabolism in healthy volunteers. Fourteen healthy male subjects will have to pedal on an ergocycle for 45 minutes, and urine and blood samples will be collected regularly to measure hemojuvelin, hepcidin, iron and transferrin levels.
Hemojuvelin has been described as interfering with hepcidin, a key regulator of iron homeostasis. Hemojuvelin is mainly produced by muscle, and the relationship between exercise and iron metabolism can be questioned about. The aim of this study is to evaluate the effect of muscular exercise on iron metabolism in healthy volunteers. Fourteen healthy male subjects will be investigated at two periods according to a cross-over design after: 1. 45 minutes of exercise on the ergocycle; and 2. no physical exercise. Urine and blood samples will be collected at both periods regularly to measure hemojuvelin, hepcidin, iron and transferrin levels.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
NONE
Enrollment
14
Service des Maladies du Foie - Hôpital de Pontchaillou
Rennes, France
RECRUITINGUnité de Biologie et Médecine du Sport - Hôpital de Pontchaillou
Rennes, France
RECRUITINGPharmacokinetics of urinary hepcidin
Pharmacokinetics of blood hemojuvelin
Pharmacokinetics of urine and blood iron, transferrin, interleukin-6 (IL-6) and ferritin
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