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Information Journal Paper

Title

THE EFFECTS OF INTRA-LOCUS COERULEUS INJECTION OF DOPAMINE D1 RECEPTOR AGENTS ON NALOXONE-INDUCED WITHDRAWAL SIGNS

Pages

  167-172

Abstract

 Opiate-induced addiction is one of the main problems of mankind societies and its treatment is one of the health priorities of community. Therefore, relative studies would be very crucial. The exact mechanism of DEPENDENCE to opiates and their WITHDRAWAL SYNDROME remain unclear. It seems that DOPAMINErgic system and LOCUS COERULEUS (LC) have an important role in the somatic signs expression of opioids WITHDRAWAL SYNDROME. In the present study, the effects of different Dl DOPAMINErgic receptor agonist and antagonist administration into the LC on the expression of withdrawal signs of MORPHINE DEPENDENCE in rats were studied. Rats were divided into 8 groups (n=8). Two cannulae were stereotaxically implanted bilaterally into the LC. After 1 weak recovery, 7 groups rendered dependent to MORPHINE (subcutaneously) during a 7 day period and nondependent animals were received saline with the same protocol. Animals received bilateral intra-LC injections of saline, SKF38393 (D1 agonist) or SCH23390 (D1 antagonist) before NALOXONE injection about 24 hours after the last dose of MORPHINE or saline. Total withdrawal score as an index of WITHDRAWAL SYNDROME were decreased by SKF38393 (2,4 µg/site) but not by SCH23390. It is concluded that the D1 DOPAMINErgic system in the LC may be involved in the MORPHINE induced dependency in rats.

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    APA: Copy

    MIRZAEI DIZGAH, I., KARIMIAN, S.M., ZARINDAST, M.R., & SOUHANAKI, H.. (2006). THE EFFECTS OF INTRA-LOCUS COERULEUS INJECTION OF DOPAMINE D1 RECEPTOR AGENTS ON NALOXONE-INDUCED WITHDRAWAL SIGNS. PHYSIOLOGY AND PHARMACOLOGY, 9(2), 167-172. SID. https://sid.ir/paper/74929/en

    Vancouver: Copy

    MIRZAEI DIZGAH I., KARIMIAN S.M., ZARINDAST M.R., SOUHANAKI H.. THE EFFECTS OF INTRA-LOCUS COERULEUS INJECTION OF DOPAMINE D1 RECEPTOR AGENTS ON NALOXONE-INDUCED WITHDRAWAL SIGNS. PHYSIOLOGY AND PHARMACOLOGY[Internet]. 2006;9(2):167-172. Available from: https://sid.ir/paper/74929/en

    IEEE: Copy

    I. MIRZAEI DIZGAH, S.M. KARIMIAN, M.R. ZARINDAST, and H. SOUHANAKI, “THE EFFECTS OF INTRA-LOCUS COERULEUS INJECTION OF DOPAMINE D1 RECEPTOR AGENTS ON NALOXONE-INDUCED WITHDRAWAL SIGNS,” PHYSIOLOGY AND PHARMACOLOGY, vol. 9, no. 2, pp. 167–172, 2006, [Online]. Available: https://sid.ir/paper/74929/en

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