The effects of 8 weeks of endurance running on hepcidin concentrations, inflammatory parameters, and iron status in female runners

Exercise-associated iron deficiency is a common disorder in endurance athletes. The authors investigated the effects of long-term endurance exercise on hepcidin concentrations, inflammatory parameters, and iron status in moderately trained female long-distance runners. Eighteen runners were assigned...

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Bibliographic Details
Published in:International journal of sport nutrition and exercise metabolism 2012-02, Vol.22 (1), p.55-63
Main Authors: Auersperger, Irena, Knap, Bojan, Jerin, Ales, Blagus, Rok, Lainscak, Mitja, Skitek, Milan, Skof, Branko
Format: Article
Language:English
Subjects:
Adult
Anemia, Iron-Deficiency - blood
Anemia, Iron-Deficiency - etiology
Anemia, Iron-Deficiency - immunology
Anemia, Iron-Deficiency - physiopathology
Antimicrobial Cationic Peptides - blood
C-Reactive Protein - analysis
Exercise - physiology
Female
Ferritins - blood
Hematocrit
Hemoglobins - analysis
Hepcidins
Humans
Physical Endurance - physiology
Physical Fitness - physiology
Plasma Volume
Prospective Studies
Receptors, Transferrin - blood
Receptors, Transferrin - chemistry
Running
Solubility
Time Factors
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Summary:Exercise-associated iron deficiency is a common disorder in endurance athletes. The authors investigated the effects of long-term endurance exercise on hepcidin concentrations, inflammatory parameters, and iron status in moderately trained female long-distance runners. Eighteen runners were assigned to either an interval- or a continuous-training exercise group. The physical training consisted of two 3-week progressive overload periods, each followed by a week's recovery, and concluded with a 10- or 21-km competitive run. Samples were taken 6 times during the 8-wk training program, first at baseline (BPre), then after the first and second 3-wk training loads (TPost1, TPost2), after each recovery week (Recovery1 and Recovery2), and poststudy (BPost). Soluble transferrin receptor (sTfR) concentrations were increased in Recovery2 and BPost compared with BPre (p=.02), hemoglobin decreased in TPost1 and TPost2 (p
ISSN:1526-484X
1543-2742
DOI:10.1123/ijsnem.22.1.55