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.
Doxepin hydrochloride是高活性的 H1 拮抗剂。 也能和H4 受体结合。
MoreDocosahexaenoic acid是RXR 激动剂。
MoreDNQX是选择性 non-NMDA 拮抗剂。
MoreDMPQ dihydrochloride是PDGFRβ活性选择性抑制剂。
MoreDMNB是DNA-PK 抑制剂。
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