4-aminopyridine

chemistry

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In drug: Drugs that affect skeletal muscle
…acetylcholine release, including tetraethylammonium and 4-aminopyridine. They work by blocking potassium-selective channels in the nerve membrane, thereby prolonging the electrical impulse in the nerve terminal and increasing the amount of acetylcholine released. This can effectively restore transmission under certain conditions, but these drugs are not selective enough for their actions…
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