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ORIGINAL ARTICLE  EPIDEMIOLOGY AND CLINICAL MEDICINE 

The Journal of Sports Medicine and Physical Fitness 2020 February;60(2):289-93

DOI: 10.23736/S0022-4707.19.10096-5

Copyright © 2019 EDIZIONI MINERVA MEDICA

lingua: Inglese

Hepcidin and iron: novel findings for elite female rugby Sevens players

Simone SMITH 1, Stacy T. SIMS 2, Holly THORPE 2, Dane BAKER 1, Jillian HASZARD 1, Claire BADENHORST 3, Katherine E. BLACK 1

1 Department of Human Nutrition, University of Otago, Dunedin, New Zealand; 2 Faculty of Health, Sport and Human Performance, University of Waikato, Hamilton, New Zealand; 3 School Sport, Exercise and Nutrition, College of Health, Massey University, Auckland, New Zealand



BACKGROUND: Iron deficiency is a common deficiency disease worldwide with athletes at increased risk.
METHODS: A proposed new mechanism of exercise-induced iron deficiency in athletes involves the iron-regulatory hormone hepcidin, however, there is limited information on this amongst elite athletes. This study describes iron status in elite female rugby Sevens players.
RESULTS: Blood samples were collected at the start and mid-season and analyzed for serum iron, serum ferritin (SF), soluble transferring receptor (sTfR), high sensitivity C-reactive Protein (hsCRP) and hepcidin. Of the 17 players 18% were iron deficient (SF<30 µg/L) with 29-35% of players with sub-optimal iron stores at some point during the study (SF<45 µg/L). Serum hepcidin was strongly correlated with SF (r=0.61, P=0.0001).
CONCLUSIONS: Some elite female rugby Sevens players have sub-optimal iron stores over the course of a season.


KEY WORDS: Hepcidins; Anemia, iron-deficiency; Athletes

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