Reawakened interest in type III iodothyronine deiodinase in critical illness and injury

Stephen A. Huang, Antonio C. Bianco

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Thyroid hormones influence gene expression in virtually all vertebrate tissues. Precise regulation of the active endogenous ligand, 3,5,3′-triiodothyronine (T3), is achieved by the sequential removal of iodine moieties from the thyroid hormone molecule. Type III iodothyronine deiodinase (D3) is the major inactivating enzyme terminating the action of T3 and preventing activation of the prohormone, thyroxine (T4). Recent studies have revealed the induction of high D3 activity in diverse animal models of tissue injury including starvation, cryolesion, cardiac hypertrophy, infarction, and chronic inflammation. By analyzing serum and tissues taken from hospitalized patients at the time of death, investigators have also documented the robust induction of D3 activity in several human tissues that normally have none, including the liver and skeletal muscle, and shown clinically relevant consequences to systemic thyroid status. These studies reveal a novel role of D3 in the tissue response to injury and in the derangement of thyroid hormone homeostasis commonly observed during critical illness.

Original languageEnglish
Pages (from-to)148-155
Number of pages8
JournalNature Clinical Practice Endocrinology and Metabolism
Volume4
Issue number3
DOIs
StatePublished - Mar 1 2008

Fingerprint

Critical Illness
Thyroid Hormones
Wounds and Injuries
Cardiomegaly
Triiodothyronine
Starvation
Thyroxine
Iodine
Infarction
Vertebrates
Thyroid Gland
Skeletal Muscle
Homeostasis
Animal Models
Research Personnel
iodothyronine deiodinase type III
Ligands
Inflammation
Gene Expression
Liver

Keywords

  • Critical illness
  • D3
  • Deiodinase
  • Euthyroid sick syndrome
  • Low-T syndrome

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Reawakened interest in type III iodothyronine deiodinase in critical illness and injury. / Huang, Stephen A.; Bianco, Antonio C.

In: Nature Clinical Practice Endocrinology and Metabolism, Vol. 4, No. 3, 01.03.2008, p. 148-155.

Research output: Contribution to journalArticle

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