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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/12784
Title: Caffeine potentiates methamphetamine-induced toxicity both in vitro and in vivo
Authors: Theerin Sinchai
Surin Plasen
Yupin Sanvarinda
Yamaratee Jaisin
Piyarat Govitrapong
Noppawan Phumala Morales
Piyanee Ratanachamnong
Duangporn Plasen
Mahidol University
Srinakharinwirot University
Keywords: Neuroscience
Issue Date: 8-Sep-2011
Citation: Neuroscience Letters. Vol.502, No.1 (2011), 65-69
Abstract: Ya-Ba, a combination of the two potent psychostimulants methamphetamine (METH) and caffeine (CAF), is commonly used by drug abusers in Thailand and neighboring countries. While the neurotoxic effects of METH are well documented, the toxicity of this combination is mostly unknown. This study aimed to elucidate the effects of this particular drug combination using both in vitro and in vivo models. We found that combined treatment of METH and CAF at individually non-toxic concentrations significantly decreased viability of human neuroblastoma SK-N-SH cells. The reduction in cell survival was accompanied by an increase in reactive oxygen species (ROS) formation and the Bax/Bcl-2 ratio. In vivo data showed tha t combined administration of METH and CAF increased the mortality rate of rats, with an increase in the level of thiobarbituric acid reactive substances (TBARS), the indicator of oxidative stress, in striatal tissues. The results indicate that caffeine potentiates the toxic effects of methamphetamine, possibly via a mechanism involving an increase in dopamine release and excess ROS generation. © 2011 Elsevier Ireland Ltd.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=80051787120&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/12784
ISSN: 18727972
03043940
Appears in Collections:Scopus 2011-2015

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