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Osteoprotegerin, RANK and RANKL are not modified by acute exercise in elite rugby players
G Banfi1, M M Corsi, E Galliera
1IRCCS Galeazzi Orthopedic Institute, Milan, Italy.
The Journal of Sports Medicine and Physical Fitness
|April 25, 2012
Summary
A single training session did not alter osteoimmunologic markers (OPG-RANK-RANKL system) in professional rugby players. Further research is needed over a full season to understand bone metabolism changes in athletes.
Area of Science:
- Sports Medicine
- Immunology
- Bone Metabolism
Background:
- The osteoprotegerin (OPG)-receptor activator of nuclear factor kappa-B ligand (RANKL) system represents a novel class of immune-related bone metabolism biomarkers.
- Understanding these biomarkers is crucial for assessing bone health in athletes.
Purpose of the Study:
- To evaluate the OPG-RANK-RANKL system's response to a single training session in professional rugby players.
- To determine if acute exercise modifies serum concentrations of these osteoimmunologic markers.
Main Methods:
- The study included 30 male professional rugby players from the Italian National Team.
- Blood samples were collected before and after a single training session during a training camp.
- Serum levels of soluble OPG, RANK, and RANKL were measured using commercial assays.
Main Results:
- No significant changes were observed in the measured bone markers (OPG, RANK, RANKL) following the training session.
- Serum concentrations of these osteoimmunologic markers remained stable post-exercise.
Conclusions:
- A single bout of exercise is insufficient to alter serum concentrations of OPG-RANK-RANKL markers in professional rugby players.
- These findings align with previous research on commonly used bone metabolism markers.
- Future research will investigate these markers over an entire competition season to establish a typical profile for rugby players.
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