Does prolactin play a role in skin biology and pathology?

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Despite its extensive repertoire of biological activities, which include the growth - and osmoregulation of epithelial tissues as well as immunoregulatory properties, the potential significance of the pituitary hormone prolactin (PRL) for human skin biology and pathology has yet to be fully appreciated. In this essay, the hypothesis is presented that PRL acts as a neuroendocrine modulator of skin epithelial cell proliferation and of the skin immune system by forming a 'prolactin-circuit' between the central nervous system and the skin. Binding to specific skin receptors, modulation of cytokine release in the skin, and stimulation of somatomedin release by mesenchymal cells are among the suggested pathways by which PRL could affect epithelial cell growth in the skin. Potential feedback signals, arising from the skin and modifying pituitary PRL release, are briefly outlined. Centering on the role of PRL in both psoriasis and hair growth as models for studying the proposed PRL-skin connection, clinical and experimental evidence in support of this theory is discussed in the context of a 'neuroimmune-dermatological' perspective.

Original languageEnglish (US)
Pages (from-to)33-42
Number of pages10
JournalMedical Hypotheses
Volume36
Issue number1
DOIs
StatePublished - Jan 1 1991
Externally publishedYes

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Prolactin
Pathology
Skin
Growth
Epithelial Cells
Osmoregulation
Cytokine Receptors
Pituitary Hormones
Somatomedins
Psoriasis
Hair
Immune System
Epithelium
Central Nervous System
Cell Proliferation

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Does prolactin play a role in skin biology and pathology? / Paus, Ralf.

In: Medical Hypotheses, Vol. 36, No. 1, 01.01.1991, p. 33-42.

Research output: Contribution to journalArticle

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