Thyroid-stimulating hormone, a novel, locally produced modulator of human epidermal functions, is regulated by thyrotropin-releasing hormone and thyroid hormones

E. Bódó, Benedikt Kany, Erzsébet Gáspár, Jana Knüver, Arno Kromminga, Yuval Ramot, T. Bíró, Stephan Tiede, Nina Van Beek, Burkhard Poeggeler, Katja C. Meyer, Björn E. Wenzel, Ralf Paus

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Abstract

Several elements of the hypothalamic-pituitary-thyroid axis (HPT) reportedly are transcribed by human skin cell populations, and human hair follicles express functional receptors for TSH. Therefore, we asked whether the epidermis of normal human skin is yet another extrathyroidal target of TSH and whether epidermis even produces TSH. If so, we wanted to clarify whether intraepidermal TSH expression is regulated by TRH and/or thyroid hormones and whether TSH alters selected functions of normal human epidermis in situ. TSH and TSH receptor (TSH-R) expression were analyzed in the epidermis of normal human scalp skin by immunohistochemistry and PCR. In addition, full-thickness scalp skin was organ cultured and treated with TSH, TRH, or thyroid hormones, and the effect of TSH treatment on the expression of selected genes was measured by quantitative PCR and/or quantitative immunohistochemistry. Here we show that normal human epidermis expresses TSH at the mRNA and protein levels in situ and transcribes TSH-R. It also contains thyrostimulin transcripts. Intraepidermal TSH immunoreactivity is up-regulated by TRH and down-regulated by thyroid hormones. Although TSH-R immunoreactivity in situ could not be documented within the epidermis, but in the immediately adjacent dermis, TSH treatment of organ-cultured human skin strongly up-regulated epidermal expression of involucrin, loricrin, and keratins 5 and 14. Thus, normal human epidermis in situ is both an extrapituitary source and (possibly an indirect) target of TSH signaling, which regulates defined epidermal parameters. Intraepidermal TSH expression appears to be regulated by the classical endocrine controls that determine the systemic HPT axis.

Original languageEnglish
Pages (from-to)1633-1642
Number of pages10
JournalEndocrinology
Volume151
Issue number4
DOIs
Publication statusPublished - Apr 2010

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Thyrotropin-Releasing Hormone
Thyrotropin
Thyroid Hormones
Epidermis
Thyrotropin Receptors
Skin
Scalp
Thyroid Gland
Immunohistochemistry
Keratin-14
Keratin-5
Polymerase Chain Reaction
Hair Follicle
Dermis
Gene Expression
Messenger RNA
Therapeutics

ASJC Scopus subject areas

  • Endocrinology

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Thyroid-stimulating hormone, a novel, locally produced modulator of human epidermal functions, is regulated by thyrotropin-releasing hormone and thyroid hormones. / Bódó, E.; Kany, Benedikt; Gáspár, Erzsébet; Knüver, Jana; Kromminga, Arno; Ramot, Yuval; Bíró, T.; Tiede, Stephan; Van Beek, Nina; Poeggeler, Burkhard; Meyer, Katja C.; Wenzel, Björn E.; Paus, Ralf.

In: Endocrinology, Vol. 151, No. 4, 04.2010, p. 1633-1642.

Research output: Contribution to journalArticle

Bódó, E, Kany, B, Gáspár, E, Knüver, J, Kromminga, A, Ramot, Y, Bíró, T, Tiede, S, Van Beek, N, Poeggeler, B, Meyer, KC, Wenzel, BE & Paus, R 2010, 'Thyroid-stimulating hormone, a novel, locally produced modulator of human epidermal functions, is regulated by thyrotropin-releasing hormone and thyroid hormones', Endocrinology, vol. 151, no. 4, pp. 1633-1642. https://doi.org/10.1210/en.2009-0306
Bódó, E. ; Kany, Benedikt ; Gáspár, Erzsébet ; Knüver, Jana ; Kromminga, Arno ; Ramot, Yuval ; Bíró, T. ; Tiede, Stephan ; Van Beek, Nina ; Poeggeler, Burkhard ; Meyer, Katja C. ; Wenzel, Björn E. ; Paus, Ralf. / Thyroid-stimulating hormone, a novel, locally produced modulator of human epidermal functions, is regulated by thyrotropin-releasing hormone and thyroid hormones. In: Endocrinology. 2010 ; Vol. 151, No. 4. pp. 1633-1642.
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AU - Tiede, Stephan

AU - Van Beek, Nina

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