Navigation Links
Your brain on nicotine: Nicotine receptors affect social behavior
Date:6/30/2011

Bethesda, MDIf you think nicotine receptors are only important to smokers trying to kick the tobacco habit, think again. New research published in the FASEB Journal (http://www.fasebj.org) suggests that these receptors also play an important role in social interaction and the ability to choose between competing motivations. Specifically, scientists from France show that the nicotinic receptors in the prefrontal cortex are essential for social interaction in mice and that this area of the brain is necessary for adapted and balanced social interactions to occur. This new knowledge could one day lead to novel treatments for ADHD, schizophrenia, and depression, among other illnesses.

"One of the main aims would be to understand and help people to make good decisions for themselves (and for others) and to maintain, during old age, such abilities in the social domain as well as in other aspects of our lives," said Sylvie Granon, a researcher involved in the work from the Universit Paris Sud XI and CNRS UMR 8620, Centre de Neurosciences Paris-Sud, Orsay, France.

To make this discovery, Granon and colleagues introduced mice into an open space and tested their will to interact with other mice of the same sex or to explore a novel place. The respective times spent for either social contact or novelty exploration were measured and quantitatively evaluated. Researchers then removed the prefrontal cortex in otherwise normal mice, which resulted in mice with significant social deficits. Those genetically modified to lack the nicotinic receptor gene for a widespread subunit called beta2 subtype, seemed to favor social contact rather than the investigation of a novel environment. When the beta2 nicotinic receptor in the brain was re-expressed, a normal balance between social contact and novelty seeking was restored.

"This research can be summed up by saying that it's the real-life equivalent of Chatty Cathy marrying the Marlboro Man," said Gerald Weissmann, M.D., Editor-in-Chief of the FASEB Journal. "Who could have guessed that there may be a biological explanation for 'social butterflies.' The explanation was found in an area of the brain that for decades has been considered a locus for nicotine addiction."


'/>"/>

Contact: Cody Mooneyhan
cmooneyhan@faseb.org
301-634-7104
Federation of American Societies for Experimental Biology
Source:Eurekalert

Related biology news :

1. Genetic conductor involved with new brain cell production in adults
2. USC scientists uncover mechanism by which chronic stress causes brain disease
3. Moleac Announces the Beneficial Effect of NeuroAiD (TM) (MLC 901) in Protecting the Brain Against Global Ischemia
4. CU researchers develop new software to advance brain image research
5. Lithium profoundly prevents brain damage associated with Parkinsons disease
6. Obese dieters brain chemistry works against their weight-loss efforts
7. Non-coding RNA has role in inherited neurological disorder -- and maybe other brain diseases too
8. New genes for risk and progression of rare brain disease identified
9. Restoring memory, repairing damaged brains
10. Fear boosts activation of young, immature brain cells
11. Wired for sound: A small fishs brain illustrates how people and other vertebrates produce sounds
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:1/21/2016)... --> ... report "Emotion Detection and Recognition Market by Technology (Bio-Sensors, NLP, ... Voice Recognition and Others), Services, Application Areas, End ... published by MarketsandMarkets, the global Emotion Detection and ... Billion by 2020, at a CAGR of 31.9%, ...
(Date:1/20/2016)... , Jan. 20, 2016  Synaptics Incorporated ... human interface solutions, today announced sampling of S1423, ... for wearables and small screen applications including smartwatches, ... printers. Supporting round and rectangular shapes, as well ... excellent performance with moisture on screen, while wearing ...
(Date:1/13/2016)... ALBANY, New York , January 13, 2016 /PRNewswire/ ... Transparency Market Research has published a new market report ... Share, Growth, Trends, and Forecast, 2015 - 2023. According to ... mn in 2014 and is anticipated to reach US$1,625.8 ... from 2015 to 2023. In terms of volume, the ...
Breaking Biology News(10 mins):
(Date:2/8/2016)... 2016  CytRx Corporation (NASDAQ: CYTR ), ... oncology, today announced that it has entered into ... Technology Growth Capital, Inc. and Hercules Technology III, ... --> --> ... financing under the loan and security agreement.  The ...
(Date:2/8/2016)... ... 08, 2016 , ... Information Management Services ( IMS ) is pleased to ... completely new technical foundation and is so significant it was endowed with a new ... speed for search results, a streamlined layout and a more intuitive format for navigating ...
(Date:2/8/2016)... FLINT, Mich. , Feb. 8, 2016  Diplomat Pharmacy, Inc. (NYSE: DPLO) announced today that ... as a specialty pharmacy resource–user-centric, story-driven, knowledge-based and mobile-friendly. ... ... ... "The ...
(Date:2/5/2016)... , Feb. 5, 2016  In the pharmaceutical industry ... a host of launch activities including the identification and ... launch activity is especially high in the oncology therapeutic ... Best Practices and the Role of Medical Affairs in ... focused on oncology therapies find better ways to utilize ...
Breaking Biology Technology: