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Contact: Rita Sullivan King
Rockefeller University Press

Nicotine Up-regulates nAChRs (2 of 2)

Caption: Chronic exposure to nicotine (bottom image) up-regulates fluorescently labeled receptors known as nACHRs (green) in the substantia nigra pars compacta (SNc) and ventral tegmental (VTA) areas of the mouse brain. Up-regulation of nAChRs plays a major role in nicotine addiction and, possibly, in the decreased susceptibility of smokers to Parkinson's disease.

Credit: Henderson et al., 2014

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