metallothionein


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metallothionein

[mə‚tal·ō′thī·ə‚nēn]
(biochemistry)
A group of vertebrate and invertebrate proteins that bind heavy metals; it may be involved in zinc homeostasis and resistance to heavy-metal toxicity.
References in periodicals archive ?
The isolation of a novel; metallothionein related eDNA expressed in somatic and zygotic embryos of Douglas fir: regulation of ABA, osmoticum and metal ions.
Alterations of tissue glutathione levels and metallothionein mRNA in rainbow trout during single and combined exposure to cadmium and zinc.
Oxidative metal release from metallothionein via zinc-thiol/disulfide interchange.
Roles of metallothionein and related proteins in metabolism and toxicity, problems and perspectives.
Regulation of liver metallothionein and plasma zinc by the glucocorticoid dexamethasone.
hoffmeisteri in Foundry Cove have been found to have high concentrations of a metal-binding ligand, whose molecular weight is in the range of the metal-binding protein metallothionein (Klerks and Bartholomew 1991, Klerks and Levinton 1989a, 1992).
Increasing Metallothionein 2, a potent antioxidant agent, by 340 percent
However, the amount of various metals in the fish organs depends upon their affinity to uptake specific metals (Erdogrul and Ates, 2006; Kousar and Javed, 2015) along with ability of various metals to react with sulfur, oxygen carboxylate, nitrogen of mercapto group or amino groups of liver metallothionein (Al-Yousuf et al.
Metallothionein acts in detoxification of heavy metals such as Cd, Hg and homeostasis of essential metals such as Zn, Cu.
The high levels of accumulated heavy metals in liver may be attributed to the sequestering and binding of this metal by metallothionein (MT) (Montaser et al.
KEY WORDS: biomarker, cadmium, Crassostrea hongkongensis, ELISA, metallothionein, oyster
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