The Impact of a 24-h Ultra-Marathon on Salivary Antimicrobial Protein Responses

Samantha K. Gill; A.M. Teixeira; Fatima Rosado; Joanne Hankey; Alice Wright; Slawomir Marczak; Andrew Duncan Murray; Ricardo Jose Soares Costa

doi:10.1055/s-0033-1358479

The Impact of a 24-h Ultra-Marathon on Salivary Antimicrobial Protein Responses

Samantha K. Gill, A.M. Teixeira, Fatima Rosado, Joanne Hankey, Alice Wright, Slawomir Marczak, Andrew Duncan Murray, Ricardo Jose Soares Costa

School of Life Sciences

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Depressed oral respiratory mucosal immunity and increased incidence of upper respiratory symptoms are commonly reported after bouts of prolonged exercise. The current study observed the impact of a 24-h continuous overnight ultra-marathon competition (distance range: 122–208 km; ambient temperature range: 0–20°C) on salivary antimicrobial protein responses and incidence of upper respiratory symptoms. Body mass, unstimulated saliva and venous blood samples were taken from ultra-endurance runners (n=25) and controls (n=17), before and immediately after competition. Upper respiratory symptoms were assessed during and until 4-weeks after event completion. Samples were analyzed for salivary IgA, lysozyme, α-amylase and cortisol in addition to plasma osmolality. Decreased saliva flow rate (p

Original language	English
Pages (from-to)	966-971
Journal	International Journal of Sports Medicine
Volume	35
Issue number	11
Early online date	2 Jun 2014
DOIs	https://doi.org/10.1055/s-0033-1358479
Publication status	Published - Oct 2014

Bibliographical note

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Keywords

α-amylase
immunoglobulin A
lysozyme
running
upper respiratory
water

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abstract = "Depressed oral respiratory mucosal immunity and increased incidence of upper respiratory symptoms are commonly reported after bouts of prolonged exercise. The current study observed the impact of a 24-h continuous overnight ultra-marathon competition (distance range: 122–208 km; ambient temperature range: 0–20°C) on salivary antimicrobial protein responses and incidence of upper respiratory symptoms. Body mass, unstimulated saliva and venous blood samples were taken from ultra-endurance runners (n=25) and controls (n=17), before and immediately after competition. Upper respiratory symptoms were assessed during and until 4-weeks after event completion. Samples were analyzed for salivary IgA, lysozyme, α-amylase and cortisol in addition to plasma osmolality. Decreased saliva flow rate (p",

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AU - Marczak, Slawomir

AU - Murray, Andrew Duncan

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The Impact of a 24-h Ultra-Marathon on Salivary Antimicrobial Protein Responses

Abstract

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Keywords

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