A role for metabolomics in the antidoping toolbox?

Area of Science:

• Sports Science
• Biochemistry
• Analytical Chemistry

Background:

• Novel doping agents and strategies necessitate advanced multi-target screening methods.
• Current anti-doping methods are often targeted, limited by substance excretion, and require prior knowledge of metabolism.
• The biological passport, while effective, monitors a limited number of indirect parameters.

Purpose of the Study:

• To investigate the utility of metabolomics for screening performance-enhancing hormone abuse in athletes.
• To leverage the influence of hormones on overall metabolism for indirect detection.
• To assess metabolomics as a tool for identifying unknown doping substances.

Main Methods:

• Utilizing metabolomics to analyze a wide range of metabolites in biological samples.
• Examining how hormones impact various metabolic parameters across tissues, organs, and bio-fluids.
• Applying metabolomics to distinguish hormone-treated subjects from controls without prior metabolic pathway knowledge.

Main Results:

• Hormones significantly alter multiple metabolic parameters, making them detectable through broad metabolic profiling.
• Metabolomics accurately reflects the metabolic status in various organisms and diseases, including hormone-related conditions.
• Studies demonstrate metabolomics' ability to differentiate hormone-treated subjects from controls across species.

Conclusions:

• Metabolomics presents a promising, accurate tool for detecting hormone abuse in sports.
• This approach offers a potential solution for identifying unknown doping agents and strategies.
• Further research is warranted to explore the full potential and limitations of metabolomics in anti-doping efforts.