A physiological role for ether-a-go-go K+ channels

Article Abstract:

The ether-a-go-go (eag) potassium ion channels in Drosophila melanogaster is a new class of K+ channel that similar to mammalian M-channels and granule-cell channels. The eag K+ channel of Drosophila melanogaster exhibits low-conductance voltage-dependence that is inhibited by acetylcholine and intracellular Ca2+. Furthermore, the characteristics and M-current of the eag K+ channel are similar to mammalian M-channels because they belong to a common eag K+-channel gene family.

Analysis, Physiological aspects, Potassium channels, Drosophila, Ion channels

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Diversity of GABA receptors in the vertebrate outer retina

Article Abstract:

Recent research has shed new light on the diversity of retinal GABA receptors, their cellular distribution, functional characteristics and possible physiological role. Horizontal cells possess subtype C GABA receptors while GABA receptors on photoreceptor synaptic terminals are mainly of the A subtype. Owing to their different cellular location, the two subtypes respond to GABA differently.

Research, Retina, Neurotransmitter receptors, GABA, GABA receptors

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