Expression of metallothionein-III induced by hypoxia attenuates hypoxia-induced cell death in vitro.

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Tanji K, Irie Y, Uchida Y, Mori F, Satoh K, Mizushima Y, Wakabayashi K

Expression of metallothionein-III induced by hypoxia attenuates hypoxia-induced cell death in vitro.

Brain Res. 2003 Jun 20;976(1):125-9.

PubMed ID

12763630 [ View in PubMed

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Abstract

Metallothioneins (MTs) are metal-binding proteins that are expressed in many tissues including brain. MTs protect cells and organs against metal toxicity and oxidants. Among MTs, a brain-predominant subtype MT-III has prominent neuroprotective activity against various types of damage. Here we show that the expression of MT-III is induced in cultured normal human astrocytes by hypoxia, and that overexpressed MT-III protects human embryonic kidney cells from hypoxia, suggesting that MT-III can protect the brain from hypoxic damage.