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Construction and evaluation of an alcohol vapor chamber system

The Journal of Biomedical Research 2023年第2期37卷 115-124页

作者： Wan Jiang Jiajia Chen olivia ewi vidjro Yingying Zhang Gengni Guo Ziyi Li Yize Qi Rouli Dai Tengfei Ma School of Pharmacy Nanjing Medical UniversityNanjingJiangsu 211166China Translational Medicine Research Center for Drug Dependence and Withdrawal Nanjing Medical UniversityJiangsu 211166China National Institute of Drug Clinical Trial The Fourth Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsu 210031China

An increasing number of studies demonstrated that alcohol vapor chamber is an effective way to model physical signs of alcohol use disorders. Although researchers are developing different vapor chambers to study chronic alcohol exposure model worldwide, few studies build and modify their own vapor chambers in ***, we designed and established an alcohol vapor chamber system for small animals. We described a paradigm showing how to control and monitor alcohol concentration in whole system. The vapor chamber system with several advantages including accommodating up to ten standard mouse cages. Furthermore, the system was tested by evaluating the blood alcohol concentration and neuron injury in mice. Importantly, the alcohol withdrawal after vapor exposure caused motor coordination impairment, anxiolytic-and depression-like behavior. Finally, the Nmethyl-D-aspartate receptor(NMDAR)-mediated glutamatergic transmissions in the medial prefrontal cortex was changed after alcohol vapor exposure-induced behaviors. The frequency and amplitude of spontaneous excitatory postsynaptic currents between control and alcohol groups were not different, suggesting that alcohol exposureinduced behaviors are associated with the change in NMDAR response. Taken together, the new alcohol vapor chamber system was constructed, which would help to research the relationship between the stable alcohol exposure and withdrawal behaviors and to study chronic alcohol exposure-induced disorders in China.

关键词： alcohol use disorders alcohol vapor model anxiety depression NMDA receptor

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