Cited by 414Hormonal and reproductive studiesProtein Interaction Studies and Fluorescence AnalysisAdrenal Hormones and Disorders

A Reappraisal of Testosterone’s Binding in Circulation: Physiological and Clinical Implications

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Goldman, Anna L, Bhasin, Shalender, Wu, Frederick C W, Krishna, Meenakshi, Matsumoto, Alvin M, Jasuja, Ravi·2017·Endocrine Reviews

Abstract

In the circulation, testosterone and other sex hormones are bound to binding proteins, which play an important role in regulating their transport, distribution, metabolism, and biological activity. According to the free hormone hypothesis, which has been debated extensively, only the unbound or free fraction is biologically active in target tissues. Consequently, accurate determination of the partitioning of testosterone between bound and free fractions is central to our understanding of how its delivery to the target tissues and biological activity are regulated and consequently to the diagnosis and treatment of androgen disorders in men and women. Here, we present a historical perspective on the evolution of our understanding of the binding of testosterone to circulating binding proteins. On the basis of an appraisal of the literature as well as experimental data, we show that the assumptions of stoichiometry, binding dynamics, and the affinity of the prevailing models of testosterone binding to sex hormone-binding globulin and human serum albumin are not supported by published experimental data and are most likely inaccurate. This review offers some guiding principles for the application of free testosterone measurements in the diagnosis and treatment of patients with androgen disorders. The growing number of testosterone prescriptions and widely recognized problems with the direct measurement as well as the computation of free testosterone concentrations render this critical review timely and clinically relevant.

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Research works printed but not linked: 2

  1. Mercier C, Alfsen A, Baulieu E-E. A testosterone binding globulin. In: Proceedings of the Second Symposium on Steroid Hormones; 1965; Ghent, Belgium. Excerpta Medica International Congress Series. 1966;101:212.
  2. Griffin JE, Wilson JD. Disorders of the testis and the male reproduction tract. In: Wilson JD, Foster DW, Kronenberg HM, Larsen PR, eds. Williams Textbook of Endocrinology. 9th ed. Philadelphia, PA: WB Saunders; 1998.

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Authors
Goldman, A. L., Bhasin, S., Wu, F. C. W., Krishna, M., Matsumoto, A. M., & Jasuja, R.
Affiliations
  • Brigham and Women's Hospital (US)
  • University of Manchester (GB)
  • University of Washington (US)
Venue
Endocrine Reviews
Published
2017-06-29
Volume
38
Issue
4
Pages
302-324
ISSN
  • 0163-769X (ISSN-L)
  • 1945-7189
OpenAlex
W2731671395
Cited by
414
References
226
Citations by year
2026: 42 · 2025: 74 · 2024: 54 · 2023: 51 · 2022: 57 · 2021: 43 · 2020: 32 · 2019: 31 · 2018: 25 · 2017: 2 · 2016: 2
FWCI
3.56
Type
journal article
Language
en
Open access
Locations
  • Endocrine Reviews (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Eli Lilly and Company
  • Brigham and Women's Hospital
  • Regeneron Pharmaceuticals
  • Mereo BioPharma
  • National Institutes of Health (5p30ag031679-15)
  • National Institute on Aging (R01AG037193, P30-AG031679, R43AG045011)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal and reproductive studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Interaction Studies and Fluorescence Analysis
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
Keywords
testosterone, sex hormone-binding globulin, human serum albumin, free testosterone, free hormone hypothesis, binding dynamics
MeSH terms
Serum Albumin, Human, Humans, Sex Hormone-Binding Globulin, Testosterone, Transcortin

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