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Effect of rhynchophylline on expression of TH in methamphetamine-induced CPP mice / 中国药理学通报
Chinese Pharmacological Bulletin ; (12): 1226-1230, 2018.
Article in Chinese | WPRIM | ID: wpr-705180
Responsible library: WPRO
ABSTRACT
Aim To explore the effect of rhynchophyl-line on the expression of tyrosine hydroxylase ( TH) in hippocampus of methamphetamine-induced condition place preference ( CPP) mice. Methods Metham- phetamine was injected intraperitoneally to mice, and the expression of TH was observed by immunohisto-chemistry and Western blot. Results The CPP mouse model was established successfully by methamphet-amine ( 4 mg·kg-1) . Ketamine ( 15 mg·kg-1) , rhynchophylline low dosage group (40 mg·kg-1) and rhynchophylline high dosage group ( 80 mg·kg-1) could remove the effect of methamphetamine on CPP mice. The result of immunohistochemistry showed that methamphetamine ( 4 mg·kg-1) could increase the number of TH positive cells in hippocampus while ket-amine (4 mg·kg-1), rhynchophylline (40, 80 mg· kg-1) group could attenuate the change. Western blot-ting indicated the expression of TH of model group in-creased significantly, whereas ketamine ( 15 mg· kg-1) , rhynchophylline ( 40, 80 mg·kg-1) group presented less expression. Conclusions The CPP in-duced by methamphetamine in mice may be inhibited to some extent by rhynchophylline, and its mechanism may be associated with the expression of TH.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2018 Type: Article