Triiodothyronine
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| Triiodothyronine | |
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| IUPAC name | (2S)-2-amino-3- [4-(4-hydroxy-3-iodo-phenoxy)- 3,5-diiodo-phenyl]propanoic acid |
| Other names | triiodothyronine T3 cytomel 3,3',5-triiodo-L-thyronine |
| Identifiers | |
| CAS number | [] |
| Properties | |
| Molecular formula | C15H12I3NO4 |
| Molar mass | 650.9776 g mol−1 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Triiodothyronine, C15H12I3NO4, also known as T3, is a thyroid hormone.
Thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity.
It exerts the same biological effects as thyroxine but is more potent
[edit] Reactions
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Peptide hormones, Steroid hormones
Hypothalamus: TRH, CRH , GnRH, GHRH, somatostatin, dopamine - Posterior pituitary: vasopressin, oxytocin, lipotropin - Anterior pituitary: α (FSH, LH, TSH), GH, prolactin, POMC (ACTH, MSH, endorphins, lipotropin) - Pineal gland: melatonin
Thyroid: thyroid hormone (T3 and T4) - calcitonin - Parathyroid: PTH - Adrenal medulla: epinephrine, norepinephrine - Adrenal cortex: aldosterone, cortisol, DHEA - Pancreas: glucagon- insulin, somatostatin
Kidney: renin, EPO, calcitriol, prostaglandin - Heart atrium: ANP - Stomach: gastrin, ghrelin - Duodenum: CCK, GIP, secretin, motilin, VIP - Ileum: enteroglucagon - Liver: IGF-1 - Adipose tissue: leptin, adiponectin
Testis: testosterone, AMH, inhibin - Ovary: estradiol, progesterone, inhibin/activin, relaxin (pregnancy) - Placenta: hCG, HPL, estrogen, progesterone
