Salivary and serum irisin in healthy adults before and after exercise

Sara Missaglia, Ester Tommasini, Paola Vago, Claudio Pecci, Christel Galvani, Andrea Silvestrini, Alvaro Mordente, Daniela Tavian

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

Abstract

Irisin is an exercise-induced cytokine mainly secreted by myocytes. Circulating level of irisin can increase in response to acute exercise, promoting pleiotropic effects on health. Generally, irisin is evaluated in blood, however, its collection is invasive. Saliva sample would not have any risk associated with blood collection and would represent a less invasive method for irisin detection. Until now, there are only a few studies that have analyzed irisin levels in saliva. In the present research, five healthy male adults performed an incremental exercise until exhaustion on cycle ergometer. Serum and saliva samples were collected before exercise and 15min, 24h and 48h after reaching the exhaustion. Irisin was detected by ELISA assay. Serum and salivary irisin levels increased from baseline to 24h post exercise and reverted to basal levels after 48h of rest. A significant rise of both serum and salivary irisin level at 24h (p≤0.05) compared to baseline levels was found. Furthermore, a significant correlation between irisin percentage change in serum and saliva from baseline to 24h post exercise was detected (r=0.92, p<0.05). Despite the relatively limited sample, this research suggests that collecting saliva samples might represent a valid and less invasive method to detect irisin level changes induced by exercise.
Lingua originaleEnglish
pagine (da-a)1-7
Numero di pagine7
RivistaEuropean Journal of Translational Myology
DOI
Stato di pubblicazionePubblicato - 2023

Keywords

  • irisin
  • muscle
  • physical exercise
  • saliva
  • serum

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