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It was also found that the H3 acetylation induced by cocaine increased Sirt1 in the nucleus accumbens. Thus, repeated cocaine use causes an increase in both Sirt1 and Sirt2. Scientists were then interested in determining how increased Sirt1 and Sirt2 affected nuclear volume because it has been previously shown that repeated cocaine use does so ...
Chemical structure of cocaine. The biosynthesis of cocaine has long attracted the attention of biochemists and organic chemists. This interest is partly motivated by the strong physiological effects of cocaine, but a further incentive was the unusual bicyclic structure of the molecule. The biosynthesis can be viewed as occurring in two phases ...
Colombia is as of 2019 the world's largest cocaine producer, with production more than tripling since 2013. [220] [221] Three-quarters of the world's annual yield of cocaine has been produced in Colombia, both from cocaine base imported from Peru (primarily the Huallaga Valley) and Bolivia and from locally grown coca. There was a 28% increase ...
The effect of these structural changes on behavior is uncertain and studies have produced conflicting results. Two studies [18] [19] have shown that an increase in dendritic spine density due to cocaine exposure facilitates behavioral sensitization, while two other studies [20] [21] produce contradicting evidence.
Cocaine is a relatively "balanced" inhibitor, although facilitation of dopaminergic neurotransmission is what has been linked to the reinforcing and addictive effects. In addition, cocaine has some serious limitations in terms of its cardiotoxicity [188] due to its local anesthetic activity. Thousands of cocaine users are admitted to emergency ...
Authorities seized 126 packages containing 5.6 tons of suspected cocaine, marking the largest drug seizure of the current administration. The navy said 15 suspects were arrested and over 1,000 ...
In 2005, scientists found surprisingly large quantities of benzoylecgonine in Italy's Po River and used its concentration to estimate the number of cocaine users in the region. [4] In 2006, a similar study was performed in the Swiss ski town of Saint-Moritz using wastewater to estimate the daily cocaine consumption of the population. [ 5 ]
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