Salivary immuno factors, cortisol and testosterone responses in athletes of a competitive 5,000 m race

Chia Yang Li, Gi Sheng Hsu, Katsuhiko Suzuki, Miau Hwa Ko, Shih Hua Fang

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    The exercise-stress model can be a model of temporary immunosuppression that occurs after severe physical and psychological stress. It also allows for the study of interactions between the endocrine and the immune systems. This study examined changes in salivary hormonal and immune factors in athletes in response to physical and psychological stress in a 5,000 m running competition. Eighteen endurance-trained runners (9 males and 9 females) participated in this study. All participants completed a competitive 5,000 m race. Saliva samples were collected 10 min before (PRE) and 10 min after (POST) the competition. Saliva was analyzed for α-amylase activity, concentrations of salivary immunoglobulin A (SIgA), lactoferrin, cortisol, testosterone and total protein. Although the concentrations of salivary TP, SIgA, lactoferrin, cortisol and α-amylase activity were significantly increased immediately after a competitive 5,000 m race, the secretion rates of these factors were not significantly altered in both male and female groups. Additionally, basal levels of SIgA and α-amylase activity were significantly higher in female runners than in male runners. This gender difference still existed after the race. The secretion rates of testosterone decreased significantly after the race in the male, but not in the female group. Moreover, testosterone-to-cortisol (T/C) ratios were significantly lower post-competition compared to pre-competition in both male and female athletes. The T/C ratio had been used as a performance index for athletes. Whether there are correlations between these changes of their physiological characteristics and better running performance need further investigations.

    Original languageEnglish
    Pages (from-to)263-269
    Number of pages7
    JournalChinese Journal of Physiology
    Volume58
    Issue number4
    DOIs
    Publication statusPublished - 2015

    Fingerprint

    Athletes
    Hydrocortisone
    Testosterone
    Amylases
    Immunoglobulin A
    Lactoferrin
    Saliva
    Psychological Stress
    Endocrine System
    Immunologic Factors
    Running
    Immunosuppression
    Immune System
    Exercise
    Proteins

    Keywords

    • Cortisol
    • Gender differences
    • Physical and psychological stress
    • Salivary immune factors
    • Testosterone

    ASJC Scopus subject areas

    • Physiology
    • Physiology (medical)

    Cite this

    Salivary immuno factors, cortisol and testosterone responses in athletes of a competitive 5,000 m race. / Li, Chia Yang; Hsu, Gi Sheng; Suzuki, Katsuhiko; Ko, Miau Hwa; Fang, Shih Hua.

    In: Chinese Journal of Physiology, Vol. 58, No. 4, 2015, p. 263-269.

    Research output: Contribution to journalArticle

    Li, Chia Yang ; Hsu, Gi Sheng ; Suzuki, Katsuhiko ; Ko, Miau Hwa ; Fang, Shih Hua. / Salivary immuno factors, cortisol and testosterone responses in athletes of a competitive 5,000 m race. In: Chinese Journal of Physiology. 2015 ; Vol. 58, No. 4. pp. 263-269.
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