Profiling the response of human hair follicles to ultraviolet radiation

Zhongfa Lu, Tobias W. Fischer, Sybille Hasse, Koji Sugawara, York Kamenisch, Sven Krengel, Wolfgang Funk, Mark Berneburg, Ralf Paus

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Excessive UVR ranks among the most harmful environmental influences on human skin. However, the direct impact of UVR on human skin appendages remains to be systematically investigated. Organ-cultured human anagen hair follicles in vitro were irradiated, and reduction of hair shaft elongation, premature catagen entry, and reduced hair matrix keratinocyte proliferation were observed upon irradiation with UVB (20/50 mJ cm 2). At 20 mJ cm 2, apoptotic cell death prevailed (casp-3/p53 activation), whereas at 50 mJ cm 2, necrotic cell death was predominant (lactate dehydrogenase increase). Mitochondrial common deletion and oxidatively damaged genomic DNA (8-OH-dG) was mainly observed at 20 mJ cm 2. Follicular melanogenesis and ACTH immunoreactivity drastically declined, but α-melanocyte-stimulating hormone remained unchanged, whereas transforming growth factor-Β 2 expression shifted from the outer toward the inner root sheath. Both the number of Giemsa mast cells and the degree of mast-cell degranulation increased in the connective tissue sheath (CTS), and CD117 immunoreactivity of CTS cells and matrix keratinocytes was upregulated. Thus, UVR differentially modifies hair growth and cycle, promotes cell death, and induces complex regulatory events in human hair follicles in vitro. The leads from this human organ model, which is a living and human tissue interaction system under physiologically relevant in situ conditions, may encourage its use for general investigation of UV-induced effects as well as for testing possible agents for their UV-protective potency.

Original languageEnglish (US)
Pages (from-to)1790-1804
Number of pages15
JournalJournal of Investigative Dermatology
Volume129
Issue number7
DOIs
StatePublished - Jul 1 2009
Externally publishedYes

Fingerprint

Hair Follicle
Cell death
Ultraviolet radiation
Radiation
Tissue
Skin
Hair
Melanocyte-Stimulating Hormones
Cell Death
Transforming Growth Factors
Keratinocytes
L-Lactate Dehydrogenase
Mast Cells
Adrenocorticotropic Hormone
Elongation
Chemical activation
Irradiation
Connective Tissue Cells
Cell Degranulation
DNA

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Dermatology
  • Cell Biology

Cite this

Lu, Z., Fischer, T. W., Hasse, S., Sugawara, K., Kamenisch, Y., Krengel, S., ... Paus, R. (2009). Profiling the response of human hair follicles to ultraviolet radiation. Journal of Investigative Dermatology, 129(7), 1790-1804. https://doi.org/10.1038/jid.2008.418

Profiling the response of human hair follicles to ultraviolet radiation. / Lu, Zhongfa; Fischer, Tobias W.; Hasse, Sybille; Sugawara, Koji; Kamenisch, York; Krengel, Sven; Funk, Wolfgang; Berneburg, Mark; Paus, Ralf.

In: Journal of Investigative Dermatology, Vol. 129, No. 7, 01.07.2009, p. 1790-1804.

Research output: Contribution to journalArticle

Lu, Z, Fischer, TW, Hasse, S, Sugawara, K, Kamenisch, Y, Krengel, S, Funk, W, Berneburg, M & Paus, R 2009, 'Profiling the response of human hair follicles to ultraviolet radiation', Journal of Investigative Dermatology, vol. 129, no. 7, pp. 1790-1804. https://doi.org/10.1038/jid.2008.418
Lu Z, Fischer TW, Hasse S, Sugawara K, Kamenisch Y, Krengel S et al. Profiling the response of human hair follicles to ultraviolet radiation. Journal of Investigative Dermatology. 2009 Jul 1;129(7):1790-1804. https://doi.org/10.1038/jid.2008.418
Lu, Zhongfa ; Fischer, Tobias W. ; Hasse, Sybille ; Sugawara, Koji ; Kamenisch, York ; Krengel, Sven ; Funk, Wolfgang ; Berneburg, Mark ; Paus, Ralf. / Profiling the response of human hair follicles to ultraviolet radiation. In: Journal of Investigative Dermatology. 2009 ; Vol. 129, No. 7. pp. 1790-1804.
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