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Published byTamsyn Spencer Modified over 8 years ago
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INTRODUCTION TO AUTONOMIC PHARMACOLOGY: Part IV Adrenergic and cholinergic receptors
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Adrenergic Receptors: Receptors Activated by EPI/NE -adrenergic receptors (Epinephrine>Isoproterenol) -adrenergic receptors (Isoproterenol>Epinephrine) 1 -adrenergic receptors (Phenylephrine>Clonidine) 2 -adrenergic receptors (Clonidine>Phenylephrine) 1 -adrenergic receptors (EPI = NE) 2 -adrenergic receptors (EPI>NE) 3 -adrenergic receptors (NE>EPI)
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Adrenergic Receptors: Signal Transduction
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Signal Transduction by 1 - Adrenergic Receptors GqGq q q
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Signal Transduction by 2 - and - Adrenergic Receptors
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Nicotinic Receptors (Activated by nicotine from tobacco) M 2 (Heart & SM) M 3 (Heart & SM) M 4 (SM & Glands) M 5 (?) N M (Neuromuscular) N Autonomic ganglia, Adrenal medulla & CNS (Blocked by Trimethaphan) (Blocked by Tubocurarine) (Defined by Molecular Cloning) Muscarinic Receptors (Activated by muscarine from Amanita muscaria) Cholinergic Receptors: Receptors Activated by Ach M 1 (Nerve Cells)
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Cholinergic Receptors: Signal Transduction
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Formation of IP 3 Formation of DAG Release of Intracellular Calcium Activation of PKC subunit Inhibition of Adenylyl Cyclase Opening of Potassium Channels Activation of PLC GqGq Muscarinic Receptors subunit GiGi
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