Cited by 157Neuropeptides and Animal PhysiologySkin Protection and AgingHair Growth and Disorders

Corticotropin releasing hormone and the skin

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Slominski, Andrzej·2006·Frontiers in bioscience

Abstract

Cotricotropin-releasing hormone (CRH) and related peptides are produced in skin that is dependent on species and anatomical location. Local peptide production is regulated by ultraviolet radiation (UVR), glucocorticoids and phase of the hair cycle. The skin also expresses the corresponding receptors (CRH-R1 and CRH-R2), with CRH-R1 being the major receptor in humans. CRH-R1 is expressed in epidermal and dermal compartments, and CRH-R2 predominantly in dermal structures. The gene coding for CRH-R1 generates multiple isoforms through a process modulated by UVR, cyclic adenosine monophosphate (cAMP) and phorbol 12-myristate 13-acetate. The phenotypic effects of CRH in human skin cells are largely mediated by CRH-R1alpha through increases in concentrations of cAMP, inositol triphosphate (IP3), or Ca2+ with subsequent activation of protein kinases A (PKA) and C (PKC) dependent pathways. CRH also modulates the activity of nuclear factor of kappa light polypeptide gene enhancer in B-cells (NF-kappaB), activator protein 1 (AP-1) and cAMP responsive element binding protein (CREB). The cellular functions affected by CRH depend on cell type and nutritional status and include modulation of differentiation program(s), proliferation, viability and immune activity. The accumulated evidence indicates that cutaneous CRH is also a component of a local structure organized similarly to the hypothalamo-pituitary-adrenal axis.

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  • Mammalian skin expresses all regulatory elements of the HPA axis, including POMC-derived peptides, CRH and related peptides, and their functional receptors.

    “Since all regulatory elements of the hypothalamus-pituitary-adrenal gland (HPA) axis, including proopiomelanocortin (POMC)-derived peptides [129], CRH and related peptides as well as the corresponding functional receptors [130, 131] are expressed in mammalian skin, the concept that skin expresses a homologue of the HPA was introduced 15 years ago [2, 73, 132].”
  • Mammalian skin expresses all regulatory elements of the HPA axis, including POMC-derived peptides, CRH and related peptides, and their functional receptors.

    “Since all regulatory elements of the hypothalamus-pituitary-adrenal gland (HPA) axis, including proopiomelanocortin (POMC)-derived peptides [129], CRH and related peptides as well as the corresponding functional receptors [130, 131] are expressed in mammalian skin, the concept that skin expresses a homologue of the HPA was introduced 15 years ago [2, 73, 132].”
  • UVB has a similar stimulatory effect on CRH and POMC signaling, production of cortisol, and inhibition of the GR.

    “UVB (280–320 nm), a recognized stimulator of melanin pigmentation [152], has similar stimulatory effect on CRH and POMC signaling, production of cortisol and inhibition of the GR [81, 129, 131, 151, 153, 154].”
  • The CRH signaling system is highly expressed in mammalian skin (epidermis and dermis), and its expression is upregulated by UVR.

    “The CRH signaling system is highly expressed in mammalian skin (epidermis and dermis), and its expression is up-regulated by UVR [1, 131].”
  • Higher elements of the HPA axis are functional within the pilosebaceous unit and help maintain its immune privilege.

    “The higher elements of the HPA axis are functional within the pilosebaceous unit and provide another important element maintaining the immune privilege of this site [131, 133, 171, 183].”

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  1. Kauser, S., A. Slominski, E. Wei & D. J. Tobin: Corticotropin-releasing hormone and related peptides stimulate follicular melanocyte behaviour in vitro and also modulate human hair fibre elongation in organ culture. Journal of the German Society of Dermatology, 6, 494 (2004) 103.

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Authors
Slominski, A.
Affiliations
University of Tennessee Health Science Center (US)
Corresponding author
Slominski, Andrzej
Venue
Frontiers in bioscience
Publisher
IMR Press
Published
2006
Volume
11
Issue
1
Pages
2230
ISSN
  • 1093-4715 (ISSN-L)
  • 1093-9946
OpenAlex
W2002289379
Cited by
157
References
121
Citations by year
2026: 9 · 2025: 6 · 2024: 3 · 2023: 3 · 2022: 7 · 2021: 5 · 2020: 6 · 2019: 1 · 2018: 5 · 2017: 5 · 2016: 7 · 2015: 4 · 2014: 7 · 2013: 11 · 2012: 8
FWCI
1.63
Type
journal article
Language
en
Open access
Locations
  • Frontiers in bioscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (1R01-AR047079, R01AR047079)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Dermatology › Skin Protection and Aging
  • Health Sciences › Medicine › Urology › Hair Growth and Disorders
Keywords
corticotropin-releasing factor, skin, CRH receptors, ultraviolet radiation, glucocorticoids, hair cycle, cAMP signaling, NF-κB, AP-1, CREB, skin cell proliferation, skin immunity, hypothalamic-pituitary-adrenal axis
MeSH terms
CRF Receptor, Type 1, Corticotropin-Releasing Hormone, Humans, Hypothalamo-Hypophyseal System, Peptides, Phenotype, Pituitary-Adrenal System, Skin, Skin Physiological Phenomena, Skin Pigmentation, Ultraviolet Rays, Second Messenger Systems, Signal Transduction, Alternative Splicing, Receptors, Corticotropin-Releasing Hormone, Hair Follicle, Cell Culture Techniques, Protein Isoforms, Urocortins

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