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.
Fluticasone propionate是选择性高亲和性 glucocorticoid 受体激动剂。
MoreFlurizan是γ-secretase 抑制剂, 在体外降低 Aβ42的水平。
MoreFluorobexarotene是RXR 激动剂。
MoreFIIN 1 hydrochloride是活性不可逆 FGFR 抑制剂(irreversible)。
MoreFentanyl citrate是活性的,选择性 μ 激动剂。
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