Cited by 194Mitochondrial Function and PathologyThyroid Disorders and TreatmentsAdipose Tissue and Metabolism

Thyroid Hormone Effects on Mitochondrial Energetics

Harper, Mary-Ellen, Seifert, Erin L.·2008·Thyroid

Abstract

Thyroid hormones are the major endocrine regulators of metabolic rate, and their hypermetabolic effects are widely recognized. The cellular mechanisms underlying these metabolic effects have been the subject of much research. Thyroid hormone status has a profound impact on mitochondria, the organelles responsible for the majority of cellular adenosine triphosphate (ATP) production. However, mechanisms are not well understood. We review the effects of thyroid hormones on mitochondrial energetics and principally oxidative phosphorylation. Genomic and nongenomic mechanisms have been studied. Through the former, thyroid hormones stimulate mitochondriogenesis and thereby augment cellular oxidative capacity. Thyroid hormones induce substantial modifications in mitochondrial inner membrane protein and lipid compositions. Results are consistent with the idea that thyroid hormones activate the uncoupling of oxidative phosphorylation through various mechanisms involving inner membrane proteins and lipids. Increased uncoupling appears to be responsible for some of the hypermetabolic effects of thyroid hormones. ATP synthesis and turnover reactions are also affected. There appear to be complex relationships between mitochondrial proton leak mechanisms, reactive oxygen species production, and thyroid status. As the majority of studies have focused on the effects of thyroid status on rat liver preparations, there is still a need to address fundamental questions regarding thyroid hormone effects in other tissues and species.

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Crossref · 10.1089/thy.2007.0250

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  • Both T3 and T2 are known to regulate mitochondrial activity in skeletal muscle.

    “Of note, both T3 and T2 are known to regulate mitochondrial activity in skeletal muscle [45, 46].”

    From An update on non-thyroidal illness syndrome (2021) · cites this paper as [45]

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Authors
Harper, M.-E., & Seifert, E. L.
Affiliations
University of Ottawa (CA)
Venue
Thyroid
Published
2008-02
Volume
18
Issue
2
Pages
145-156
ISSN
  • 1050-7256 (ISSN-L)
  • 1557-9077
OpenAlex
W1965505826
Cited by
194
References
99
Citations by year
2026: 10 · 2025: 11 · 2024: 12 · 2023: 12 · 2022: 18 · 2021: 10 · 2020: 19 · 2019: 4 · 2018: 7 · 2017: 8 · 2016: 12 · 2015: 10 · 2014: 7 · 2013: 7 · 2012: 11
FWCI
4.94
Type
journal article
Language
en
Open access
closed
Locations
  • Thyroid (publishedVersion)
  • PubMed (publishedVersion)
Funders
Natural Sciences and Engineering Research Council of Canada
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
thyroid hormones, mitochondrial bioenergetics, oxidative phosphorylation, hypermetabolism, uncoupling, mitochondrial biogenesis, mitochondrial inner membrane proteins, mitochondrial lipids, proton leak, reactive oxygen species, ATP production, genomic mechanisms, liver mitochondria
MeSH terms
Adenosine Triphosphate, Animals, Energy Metabolism, Humans, Membrane Lipids, Mitochondria, Oxidative Phosphorylation, Thyroid Hormones, Reactive Oxygen Species, Mitochondrial Membranes, Mice, Rats

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