Diabetes drug relieves nicotine withdrawal
How a common diabetes drug works in the brain may provide a new strategy in the battle to quit smoking
- Date:
- November 4, 2019
- Source:
- Society for Neuroscience
- Summary:
- A drug commonly used to treat Type II diabetes abolishes the characteristic signs of nicotine withdrawal in rats and mice, according to new research.
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A drug commonly used to treat Type II diabetes abolishes the characteristic signs of nicotine withdrawal in rats and mice, according to new research published in JNeurosci. The finding may offer an important new strategy in the battle to quit smoking.
Smokers trying to quit face potent side effects from nicotine withdrawal, including cravings, increased appetite, restlessness, anxiety, irritability, and depression. Even though they may want to quit, many smokers continue to smoke simply because the experience is so unpleasant.
The diabetes drug, pioglitazone, targets a specific form of the peroxisome proliferator-activated receptors in the nucleus. This receptor, PPARγ, is found in areas of the brain involved in drug addiction.
Domi et al. demonstrated that direct injections of pioglitazone into the hippocampi of male mice reduced the signs of physical nicotine withdrawal, including paw tremors, chattering, and head shakes. Injecting pioglitazone into the amygdala of male mice ameliorated signs of anxiety associated with nicotine withdrawal.
Nicotine abusers face a 30% higher risk of developing Type II diabetes. The researchers suggest pioglitazone may help diabetic smokers quit by lessening the physical and emotional withdrawal symptoms while reducing insulin resistance.
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Journal Reference:
- Esi Domi, Francesca Felicia Caputi, Patrizia Romualdi, Ana Domi, Giulia Scuppa, Sanzio Candeletti, Alison Atkins, Markus Heilig, Gregory Demopulos, George Gaitanaris, Roberto Ciccocioppo, Massimo Ubaldi. Activation of PPARγ attenuates the expression of physical and affective nicotine withdrawal symptoms through mechanisms involving amygdala and hippocampus neurotransmission. The Journal of Neuroscience, 2019; 1922-19 DOI: 10.1523/JNEUROSCI.1922-19.2019
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