Overview of and Update on the Physiological Functions of Mammalian Zinc Transporters

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  • 亜鉛代謝の必須分子として機能する亜鉛トランスポーター
  • リフレッシュが必要な微量元素に関する常識 亜鉛代謝の必須分子として機能する亜鉛トランスポーター
  • リフレッシュ ガ ヒツヨウ ナ ビリョウ ゲンソ ニ カンスル ジョウシキ アエン タイシャ ノ ヒッス ブンシ ト シテ キノウ スル アエン トランスポーター

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Abstract

In recent years, a number of mammalian zinc transporters have been molecularly characterized. This has brought about major advances in our understanding of the tight regulation of cellular zinc homeostasis and the pivotal roles zinc transporters play in a variety of biological events. Mammalian zinc transporters are classified into two families: the ZRT, IRT-like protein (ZIP) family and the Zn transporter (ZnT) family. The ZIP family consists of 14 members and facilitates zinc influx into the cytosol from the extracellular and intracellular compartments. The ZnT family consists of 9 members and facilitates zinc efflux from the cytosol to the extracellular and intracellular compartments. Coordinated zinc mobilization across the cellular membrane by both transporter families is indispensable for diverse physiological functions. In this review, the features of the ZIP and ZnT families are briefly reviewed from the perspective of zinc physiology, with emphasis on recent progress.<br>

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