Nicotine is known to decrease body weight in normal rodents and human smokers, whereas nicotine withdrawal or smoking cessation can increase body weight. We have found that mice fed a high fat diet do not show the anorectic effect of chronic nicotine treatment, but do increase their body weight following nicotine withdrawal. Nicotine withdrawal is accompanied by increased expression of the orexigenic peptides neuropeptide Y and Agouti-related protein in the hypothalamus, and decreased expression of the metabolic protein uncoupling protein-3 in brown adipose tissue. These data suggest that diet can influence the ability of nicotine to modulate body weight regulation and demonstrate that chronic nicotine exposure results in adaptive changes in central and peripheral molecules which regulate feeding behavior and energy metabolism. (c) 2006 Elsevier Ireland Ltd. All rights reserved.

Nicotine withdrawal increases body weight, neuropeptide Y and Agouti-related protein expression in the hypothalamus and decreases uncoupling protein-3 expression in the brown adipose tissue in high-fat fed mice / Fornari, Alice; Pedrazzi, Patrizia; Lippi, Giordano; M. R., Picciotto; Zoli, Michele; Zini, Isabella. - In: NEUROSCIENCE LETTERS. - ISSN 0304-3940. - STAMPA. - 411:(2007), pp. 72-76.

Nicotine withdrawal increases body weight, neuropeptide Y and Agouti-related protein expression in the hypothalamus and decreases uncoupling protein-3 expression in the brown adipose tissue in high-fat fed mice

FORNARI, Alice;PEDRAZZI, Patrizia;LIPPI, Giordano;ZOLI, Michele;ZINI, Isabella
2007

Abstract

Nicotine is known to decrease body weight in normal rodents and human smokers, whereas nicotine withdrawal or smoking cessation can increase body weight. We have found that mice fed a high fat diet do not show the anorectic effect of chronic nicotine treatment, but do increase their body weight following nicotine withdrawal. Nicotine withdrawal is accompanied by increased expression of the orexigenic peptides neuropeptide Y and Agouti-related protein in the hypothalamus, and decreased expression of the metabolic protein uncoupling protein-3 in brown adipose tissue. These data suggest that diet can influence the ability of nicotine to modulate body weight regulation and demonstrate that chronic nicotine exposure results in adaptive changes in central and peripheral molecules which regulate feeding behavior and energy metabolism. (c) 2006 Elsevier Ireland Ltd. All rights reserved.
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Nicotine withdrawal increases body weight, neuropeptide Y and Agouti-related protein expression in the hypothalamus and decreases uncoupling protein-3 expression in the brown adipose tissue in high-fat fed mice / Fornari, Alice; Pedrazzi, Patrizia; Lippi, Giordano; M. R., Picciotto; Zoli, Michele; Zini, Isabella. - In: NEUROSCIENCE LETTERS. - ISSN 0304-3940. - STAMPA. - 411:(2007), pp. 72-76.
Fornari, Alice; Pedrazzi, Patrizia; Lippi, Giordano; M. R., Picciotto; Zoli, Michele; Zini, Isabella
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/309742
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