Cited by 138Thyroid Disorders and TreatmentsEstrogen and related hormone effectsThyroid Cancer Diagnosis and Treatment

Type 1 iodothyronine deiodinase is a sensitive marker of peripheral thyroid status in the mouse

Zavacki, Ann Marie, Ying, Hao, Christoffolete, Marcelo A., Aerts, Goele, So, Edward, Harney, John W., Cheng, Sheue-yann, Larsen, P. Reed +1 more·2005·Endocrinology

Abstract

Mice with one thyroid hormone receptor (TR) alpha-1 allele encoding a dominant negative mutant receptor (TR alpha1(PV/+)) have persistently elevated serum T3 levels (1.9-fold above normal). They also have markedly increased hepatic type 1 iodothyronine deiodinase (D1) mRNA and enzyme activity (4- to 5-fold), whereas other hepatic T3-responsive genes, such as Spot14 and mitochondrial alpha-glycerol phosphate dehydrogenase (alpha-GPD), are only 0.7-fold and 1.7-fold that of wild-type littermates (TR alpha1+/+). To determine the cause of the disproportionate elevation of D1, TR alpha1+/+ and TR alpha1(PV/+) mice were rendered hypothyroid and then treated with T3. Hypothyroidism decreased hepatic D1, Spot14, and alpha-GPD mRNA to similar levels in TR alpha1+/+ and TR alpha1(PV/+) mice, whereas T3 administration caused an approximately 175-fold elevation of D1 mRNA but only a 3- to 6-fold increases in Spot14 and alpha-GPD mRNAs. Interestingly, the hypothyroidism-induced increase in cerebrocortical type 2 iodothyronine deiodinase activity was 3 times greater in the TR alpha1(PV/+) mice, and these mice had no T3-dependent induction of type 3 iodothyronine deiodinase. Thus, the marked responsiveness of hepatic D1 to T3 relative to other genes, such as Spot14 and alpha-GPD, explains the relatively large effect of the modest increase in serum T3 in the TR alpha1(PV/+) mice, and TR alpha plays a key role in T3-dependent positive and negative regulation of the deiodinases in the cerebral…

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Crossref · 10.1210/en.2004-1392

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Authors
Zavacki, A. M., Ying, H., Christoffolete, M. A., Aerts, G., So, E., Harney, J. W., Cheng, S.-Y., Larsen, P. R., & Bianco, A. C.
Affiliations
  • Brigham and Women's Hospital (US)
  • National Institutes of Health (US)
  • KU Leuven (BE)
Corresponding author
Zavacki, Ann Marie
Venue
Endocrinology
Published
2005-03
Volume
146
Issue
3
Pages
1568-1575
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2090755454
Cited by
138
References
3
Citations by year
2026: 2 · 2025: 7 · 2024: 7 · 2023: 1 · 2022: 6 · 2021: 5 · 2020: 3 · 2019: 8 · 2018: 5 · 2017: 9 · 2016: 5 · 2015: 6 · 2014: 9 · 2013: 8 · 2012: 6
FWCI
5.14
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (R01DK044128, DK 65765, K01DK065765, DK-44128)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Cancer Diagnosis and Treatment
Keywords
type 1 iodothyronine deiodinase, thyroid hormone receptor alpha 1, hypothyroidism, triiodothyronine, type 2 deiodinase, type 3 iodothyronine deiodinase
MeSH terms
Animals, Cerebral Cortex, Heterozygote, Hypothyroidism, Iodide Peroxidase, Kidney, Liver, Mice, Inbred C57BL, Mice, Transgenic, Models, Biological, Mutation, RNA, Messenger, Thyroid Gland, Thyroxine, Time Factors, Triiodothyronine, Biomarkers, Reverse Transcriptase Polymerase Chain Reaction, Mice

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