In some cases, receptor activation caused by ligand binding to a receptor is directly coupled to the cell's response to the ligand. For example, the neurotransmitter GABA can activate a cell surface receptor that is part of an ion channel. GABA binding to a GABAA receptor on a neuron opens a chloride-selective ion channel that is part of the receptor. GABAA receptor activation allows negatively charged chloride ions to move into the neuron, which inhibits the ability of the neuron to produce action potentials.
Pirenzepine dihydrochloride是选择性 M1 muscarinic 受体拮抗剂。
MorePirlindole mesylate是MAO-A 抑制剂。
MorePHP 501 trifluoroacetate是活性的 GABAA 拮抗剂。
MorePiclamilast是活性选择性 PDE4 抑制剂。
MorePicrotoxin是GABAA 受体拮抗剂。
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