Title : Chronic nicotine modifies skeletal muscle Na,K-ATPase activity through its interaction with the nicotinic acetylcholine receptor and phospholemman.

Pub. Date : 2012

PMID : 22442718






4 Functional Relationships(s)
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1 Chronic nicotine modifies skeletal muscle Na,K-ATPase activity through its interaction with the nicotinic acetylcholine receptor and phospholemman. Nicotine cholinergic receptor nicotinic alpha 2 subunit Rattus norvegicus
2 Our previous finding that the muscle nicotinic acetylcholine receptor (nAChR) and the Na,K-ATPase interact as a regulatory complex to modulate Na,K-ATPase activity suggested that chronic, circulating nicotine may alter this interaction, with long-term changes in the membrane potential. Nicotine cholinergic receptor nicotinic alpha 2 subunit Rattus norvegicus
3 Our previous finding that the muscle nicotinic acetylcholine receptor (nAChR) and the Na,K-ATPase interact as a regulatory complex to modulate Na,K-ATPase activity suggested that chronic, circulating nicotine may alter this interaction, with long-term changes in the membrane potential. Nicotine cholinergic receptor nicotinic alpha 2 subunit Rattus norvegicus
4 Collectively, these results demonstrate that nicotine at chronic doses, acting through the nAChR-Na,K-ATPase complex, is able to modulate Na,K-ATPase activity in an isoform-specific manner and that the regulatory range includes both stimulation and inhibition of enzyme activity. Nicotine cholinergic receptor nicotinic alpha 2 subunit Rattus norvegicus