Stress, hair growth control, and the neuro-endocrine-immune connection

Research output: Contribution to journalReview article

9 Citations (Scopus)

Abstract

'Stress' has long been associated with disturbances in hair growth and hair pigmentation. Yet, little if any evidence has been provided so far that this really is more than a coincidental association. However, today, a wide range of experimental data suggests that skin nerves can indeed modulate hair follicle (HF) development, growth and/or cycling via the release of neurotransmitters, neuropeptides and/or even of neurotrophins. It is therefore conceivable that stress-induced changes in the release of these agents from perifollicular sensory and autonomic nerve fibers can alter hair growth. In addition, most classical mediators of systemic stress responses (e.g., substance P, ACTH, CRH, prolactin, catecholamines) are now also appreciated as hair growth modulators. Moreover, the HF itself is a potent source of these stress mediators, and expresses cognate receptors for many of them. Finally, mast cells, with their 'central switchboard' function in neurogenic inflammation, have recently surfaced as hair growth modulators. Stress mediators, as well as skin neuropeptids and neurotransmitters, may, thus, impact hair growth indirectly via the modulation of mast cell activities. As a prominent source of neurotrophins, the hair follicle may influence its own innervation as well as neurotrophin-dependent mast cell functions. On this background, the present essay examines the available evidence that there are neural mechanisms of hair growth control, reports preliminary evidence that stress actually can inhibit hair growth in mice, and discusses potential pathways by which stress may affect hair growth in the context of defined neuro-endocrine-immune circuits.

Original languageEnglish (US)
Pages (from-to)411-420
Number of pages10
JournalAllergo Journal
Volume9
Issue number7
DOIs
StatePublished - Jan 1 2000
Externally publishedYes

Fingerprint

Hair
Growth
Hair Follicle
Nerve Growth Factors
Mast Cells
Neurotransmitter Agents
Neurogenic Inflammation
Autonomic Pathways
Skin
Pigmentation
Substance P
Neuropeptides
Growth and Development
Nerve Fibers
Prolactin
Adrenocorticotropic Hormone
Catecholamines

Keywords

  • Anagen
  • Hair follicle
  • Macrophages
  • Mast cells
  • Neuropeptides
  • Neurotransmitters
  • Neurotrophins
  • Substance P

ASJC Scopus subject areas

  • Immunology and Allergy

Cite this

Stress, hair growth control, and the neuro-endocrine-immune connection. / Paus, Ralf.

In: Allergo Journal, Vol. 9, No. 7, 01.01.2000, p. 411-420.

Research output: Contribution to journalReview article

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