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British journal of pharmacology
Jun, 2008;154 (3): 569-83.

Gonadotropins in doping: pharmacological basis and detection of illicit use.

U-H Stenman, K Hotakainen, H Alfthan
Author Information
  1. U-H Stenman: Department of Clinical Chemistry, Helsinki University Central Hospital, HUS, Finland. ulf-hakan.stenman@helsinki.fi
PMID: 18414398 DOI: 10.1038/bjp.2008.102

Abstract

Parenteral administration of human chorionic gonadotropin (hCG) or luteinizing hormone (LH) stimulates the production of testosterone in males and these gonadotropins can therefore be used by athletes to enhance muscle strength. However, they are more expensive and less efficient than testosterone and anabolic steroids. Therefore their main use is probably to stimulate gonadal testosterone production during and after self-administration of testosterone or anabolic steroids. A positive effect of hCG on muscle strength has not been demonstrated in women and elevated concentrations of hCG in females are often caused by pregnancy. The use of gonadotropins is therefore prohibited only in males but not in females. HCG occurs at low but measurable concentrations in plasma and urine of healthy males and can be measured by sensitive methods. However, the characteristics of the method to be used for doping control have not been defined. Virtually all commercially available hCG assays have been designed for determination of hCG in serum rather than urine, which is used for doping control. Methods based on mass spectrometric detection of fragments derived from hCG extracted from urine by immunoadsorption have been developed but their suitability for doping control remains to be determined. The concentrations of LH in serum and urine are variable and more then 10-fold higher than those hCG. It is therefore difficult to detect illicit use of LH. The characteristics and reference values for hCG and LH assays used in doping control and the cutoff values need to be defined.

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MeSH Term

Chorionic Gonadotropin
Doping in Sports
Female
Humans
Luteinizing Hormone
Male
Muscle Strength
Sex Factors
Substance Abuse Detection
Testosterone

Chemicals

Chorionic Gonadotropin
Testosterone
Luteinizing Hormone
Journal Article Research Support, Non-U.S. Gov't Review
Article has an altmetric score of 2

Word Cloud

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