Cited by 273Hair Growth and DisordersSperm and Testicular FunctionProstate Cancer Treatment and Research

Balding hair follicle dermal papilla cells contain higher levels of androgen receptors than those from non-balding scalp

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Hibberts, NA, Howell, AE, Randall, VA·1998·Journal of Endocrinology

Abstract

Androgens can gradually transform large scalp hair follicles to smaller vellus ones, causing balding. The mechanisms involved are unclear, although androgens are believed to act on the epithelial hair follicle via the mesenchyme-derived dermal papilla. This study investigates whether the levels and type of androgen receptors in primary lines of cultured dermal papilla cells derived from balding scalp hair follicles differ from those of follicles from non-balding scalp. Androgen receptor content was measured by saturation analysis using the non-metabolisable androgen, [3H]mibolerone (0.05-10 nM) in a 9-10 point assay. Pubic dermal fibroblasts and Shionogi cells were examined as positive controls. Repetitive assays of Shionogi cells showed good precision in the levels of androgen receptor content (coefficient of variation = 3.7%). Specific, high affinity, low capacity androgen receptors were detected in dermal papilla cells from both balding and non-balding follicles. Balding cells contained significantly (P < 0.01) greater levels of androgen receptors (Bmax = 0.06 +/- 0.01 fmol/10(4) cells (mean +/- S.E.M.)) than those from non-balding scalp (0.04 +/- 0.001). Competition studies with a range of steroids showed no differences in receptor binding specificity in the two cell types. The higher levels of androgen receptors in cells from balding scalp hair follicles with similar properties to those from non-balding scalp concur with the expectations from their in vivo responses to androgens. This supports the hypothesis that androgens act via the dermal papilla and suggests that cultured dermal papilla cells may offer a model system for studying androgen action in androgenetic alopecia.

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Research works printed but not linked: 8

  1. Griffin JE & Wilson JD 1989 The resistance syndromes: 5 -reductase deficiency, testicular feminisation and related disorders. In The Metabolic Basis of Inherited Disorders, pp 1919-1944. Eds CR Scriver, AL Baudet, WS Sly & Valle. New York: McGraw-Hill.
  2. Hamilton JB 1951 Patterned loss of hair in man. Annals of the New York Academy of Sciences 53 708-728.
  3. Hibberts NA & Randall VA 1996 Testosterone inhibits the capacity of cultured balding scalp dermal papilla cells to produce keratinocyte mitogenic factors. In Hair Research in the Next Millennium, pp 303-306. Eds DJJ Van Neste & VA Randall. Amsterdam, Netherlands: Elsevier Publishing.
  4. Ibrahaim L & Wright EA 1982. A quantitative study of hair growth using mouse and rat vibrissa follicles. Journal of Embryology and Experimental Morphology 72 209-224.
  5. Kligman AM 1959 The human hair cycle. Journal of Investigative Dermatology 33 301-316.
  6. Leake RE, Freshney RI & Miur I 1987 Steroid response in vivo and in vitro. In Steroid Hormones, pp 205-218. Eds B Green & RE Leake. Oxford: IRL Press.
  7. Eds DJJ Van Neste & VA Randall. Amsterdam, Netherlands: Elsevier Publishing.
  8. Van Scott EJ & Ekel TM 1958 Geometric relationships between the matrix of the hair bulb and its dermal papilla in normal and alopecic scalp. Journal of Investigative Dermatology 31 281-287.

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Authors
Hibberts, N., Howell, A., & Randall, V.
Affiliations
University of Bradford (GB)
Venue
Journal of Endocrinology
Published
1998-01-01
Volume
156
Issue
1
Pages
59-65
ISSN
  • 0022-0795 (ISSN-L)
  • 1479-6805
OpenAlex
W2136169401
Cited by
273
References
37
Citations by year
2026: 1 · 2025: 12 · 2024: 11 · 2023: 11 · 2022: 22 · 2021: 11 · 2020: 11 · 2019: 8 · 2018: 10 · 2017: 9 · 2016: 9 · 2015: 13 · 2014: 8 · 2013: 13 · 2012: 11
FWCI
12.74
Type
journal article
Language
en
Open access
Locations
  • Journal of Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Urology › Hair Growth and Disorders
  • Health Sciences › Medicine › Reproductive Medicine › Sperm and Testicular Function
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Prostate Cancer Treatment and Research
Keywords
androgen receptor, dermal papilla cells, androgenetic alopecia, balding, hair follicle, androgen action, receptor binding affinity, vellus hair
MeSH terms
Adult, Alopecia, Androgens, Binding, Competitive, Cells, Cultured, Female, Fibroblasts, Humans, Male, Middle Aged, Nandrolone, Receptors, Androgen, Scalp, Skin, Tumor Cells, Cultured, Statistics, Nonparametric, Hair Follicle, Testosterone Congeners

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