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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611


DOMINGUEZ, Raúl; GARNACHO-CASTANO, Manuel Vicente  y  MATE-MUNOZ, José Luis. Effect of hepcidin on iron metabolism in athletes. Nutr. Hosp. [online]. 2014, vol.30, n.6, pp.1218-1231. ISSN 1699-5198.

The role of iron in the human body is essential, and athletes must always try to keep an adequate iron status. Hepcidin is proposed as the main hormone responsible for the control of iron reserves in the body, given its ability to induce degradation of ferroportin. The action of hepcidin on ferroportin leads to a decreased dietary iron absorption, as well as to a decrease in macrophages. Several factors such as the iron status, the amount of dietary iron, the inflammation, the hypoxia, the testosterone and the physical exercise have been pointed out as affecting the synthesis of hepcidin. This study has aimed at analysing the researches on hepcidin response to exercise, as well as designing a specific strategy to prevent a potential ferropenic status in athletes. The main findings are an association between exercise at an intensity over 65% VO2max and transient increases in the synthesis of hepcidin, and a possible regulatory effect of intermittent hypoxic stimuli in the early post-exercise recovery. Other factors such as the training volume, sex, kind of exercise or the type of surface where the training takes place do not seem to affect the response of hepcidin to exercise.

Palabras clave : Iron; Hepcidin; Iron depletion; Iron metabolism; Iron deficiency anemia.

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