Hypothalamic-pituitary-thyroid axis hormones stimulate mitochondrial function and biogenesis in human hair follicles

Silvia Vidali, Jana Knuever, Johannes Lerchner, Melanie Giesen, T. Bíró, Matthias Klinger, Barbara Kofler, Wolfgang Funk, Burkhard Poeggeler, Ralf Paus

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Thyroid hormones regulate mitochondrial function. As other hypothalamic-pituitary-thyroid (HPT) axis hormones, i.e., thyrotropin-releasing hormone (TRH) and thyrotropin (TSH), are expressed in human hair follicles (HFs) and regulate mitochondrial function in human epidermis, we investigated in organ-cultured human scalp HFs whether TRH (30 nM), TSH (10 mU ml-1), thyroxine (T4) (100 nM), and triiodothyronine (T3) (100 pM) alter intrafollicular mitochondrial energy metabolism. All HPT-axis members increased gene and protein expression of mitochondrial-encoded subunit 1 of cytochrome c oxidase (MTCO1), a subunit of respiratory chain complex IV, mitochondrial transcription factor A (TFAM), and Porin. All hormones also stimulated intrafollicular complex I/IV activity and mitochondrial biogenesis. The TSH effects on MTCO1, TFAM, and porin could be abolished by K1-70, a TSH-receptor antagonist, suggesting a TSH receptor-mediated action. Notably, as measured by calorimetry, T3 and TSH increased follicular heat production, whereas T3 /T4 and TRH stimulated ATP production in cultured HF keratinocytes. HPT-axis hormones did not increase reactive oxygen species (ROS) production. Rather, T3 and T 4 reduced ROS formation, and all tested HPT-axis hormones increased the transcription of ROS scavengers (catalase, superoxide dismutase 2) in HF keratinocytes. Thus, mitochondrial biology, energy metabolism, and redox state of human HFs are subject to profound (neuro-)endocrine regulation by HPT-axis hormones. The neuroendocrine control of mitochondrial biology in a complex human mini-organ revealed here may be therapeutically exploitable.

Original languageEnglish
Pages (from-to)33-42
Number of pages10
JournalJournal of Investigative Dermatology
Volume134
Issue number1
DOIs
Publication statusPublished - Jan 2014

Fingerprint

Hair Follicle
Organelle Biogenesis
Thyroid Hormones
Thyrotropin-Releasing Hormone
Hormones
Thyrotropin Receptors
Reactive Oxygen Species
Porins
Keratinocytes
Energy Metabolism
Calorimetry
Thermogenesis
Triiodothyronine
Electron Transport Complex IV
Thyrotropin
Transcription
Electron Transport
Scalp
Thyroxine
Epidermis

ASJC Scopus subject areas

  • Dermatology
  • Biochemistry
  • Cell Biology
  • Molecular Biology

Cite this

Hypothalamic-pituitary-thyroid axis hormones stimulate mitochondrial function and biogenesis in human hair follicles. / Vidali, Silvia; Knuever, Jana; Lerchner, Johannes; Giesen, Melanie; Bíró, T.; Klinger, Matthias; Kofler, Barbara; Funk, Wolfgang; Poeggeler, Burkhard; Paus, Ralf.

In: Journal of Investigative Dermatology, Vol. 134, No. 1, 01.2014, p. 33-42.

Research output: Contribution to journalArticle

Vidali, S, Knuever, J, Lerchner, J, Giesen, M, Bíró, T, Klinger, M, Kofler, B, Funk, W, Poeggeler, B & Paus, R 2014, 'Hypothalamic-pituitary-thyroid axis hormones stimulate mitochondrial function and biogenesis in human hair follicles', Journal of Investigative Dermatology, vol. 134, no. 1, pp. 33-42. https://doi.org/10.1038/jid.2013.286
Vidali, Silvia ; Knuever, Jana ; Lerchner, Johannes ; Giesen, Melanie ; Bíró, T. ; Klinger, Matthias ; Kofler, Barbara ; Funk, Wolfgang ; Poeggeler, Burkhard ; Paus, Ralf. / Hypothalamic-pituitary-thyroid axis hormones stimulate mitochondrial function and biogenesis in human hair follicles. In: Journal of Investigative Dermatology. 2014 ; Vol. 134, No. 1. pp. 33-42.
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