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.
Promethazine HCl is a potent histamine H1 receptor antagonist, used as a sedative and antiallergic medication.
MoreCarbadox is an anti-inflammatory drug used in the treatment of Inflammatory Bowel Disease.
MoreDiphenylpyraline hydrochloride (DPP) is an internationally available antihistamine that produces therapeutic antiallergic effects by binding to histamine H₁ receptors.
MoreTerfenadine is an antihistamine, generally completely metabolizes to the active form fexofenadine in the liver by the enzyme cytochrome P450 CYP3A4 isoform.
MoreMicafungin Sodium is an inhibitor of 1, 3-beta-D-glucan synthesis, used as an antifungal drug.
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