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- W1996887881 abstract "To explore the effects of heroin on purine nucleotides metabolism in rat brain.Biochemical changes in association with heroin administration were compared between heroin-administered rats and non-heroin rats. HPLC method was used to detect the absolute content of purine nucleotides in brain tissues. Concentrations of uric acid (UA), blood urea nitrogen (BUN) and creatinine (Cre) in plasma were measured. Enzymatic activities of adenosine deaminase (ADA) and xanthine oxidase (XO) in brain tissue were analyzed. Real-time PCR was used to determine the relative level of transcripts of ADA, XO, adenine phosphoribosyl transferase (APRT), hypoxanthine-guaninephosphoribosyl transferase (HGPRT) and adenosine kinase (AK) in brain tissue.Compared with those in the saline group, the content of AMP and GTP of heroin group decreased significantly; the UA concentration in plasma, ADA and XO activities and the mRNA level of ADA and XO in brain tissues in heroin group increased significantly; the mRNA level of AK, APRT and HGPRT in brain tissues in heroin group decreased significantly (P<0.01).Heroin administration may enhance the catabolism and inhibit the anabolism of purine nucleotides in brain. There may be a deficiency of purine nucleotides, especially GTP and AMP in rat brain exposed to heroin. Our findings may provide a new potential approach to study the mechanism of heroin addiction." @default.
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- W1996887881 date "2011-12-01" @default.
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- W1996887881 title "Heroin affects purine nucleotides metabolism in rat brain" @default.
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- W1996887881 doi "https://doi.org/10.1016/j.neuint.2011.10.001" @default.
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