ScienceDaily (June 12, 2008) — Boosting the level of a specific brain protein quickly cut excessive drinkingof alcohol in a new animal study, and also prevented relapse -- the common tendency found in sober alcoholics to easily return to heavy drinking after just one glass.
In addition, the treatment did not block other "pleasure-seeking behaviors" -- in this case, craving sweets. Interference with these normal behaviors has been a problem with drugs developed for alcoholism treatment. Nor did the brain chemical boost appear to carry any side effects, the study researchers report.
The research by scientists at theUCSF-affiliatedErnest Gallo Clinic and Research Center builds on their earlier work. In 2005, they reported the first hints that increased levels of this brain protein, known as GDNF, cut down alcohol consumption. The new study established how quickly the effect kicks in, and shows for the first time that the chemical blocks relapse and does not interfere with normal cravings. The research also pinpointed the brain site where GDNF acts to control drinking.
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