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Inwardly Rectifying Potassium Channels In Drosophila, Zhuo Luan, Hong-Sheng Li
Inwardly Rectifying Potassium Channels In Drosophila, Zhuo Luan, Hong-Sheng Li
zhuo luan
Inwardly rectifying potassium channels (Kir) are a special subset of potassium selective ion channels which pass potassium more easily into rather than out of the cell. These channels mediate a variety of cellular functions, including control of membrane resting potential, maintenance of potassium homeostasis and regulation of cellular metabolism. Given the existence of fifteen Kir genes in mammals, current genetic studies using mutant animals that lack a single channel may have missed many important physiological functions of these channels due to gene redundancy. This issue can be circumvented by using a simple model organism like Drosophila, whose genome encodes only …