TREADMILL EXERCISE ATTENUATES THE SEVERITY OF PHYSICAL DEPENDENCE, ANXIETY, DEPRESSIVE-LIKE BEHAVIOR AND VOLUNTARY MORPHINE CONSUMPTION IN MORPHINE WITHDRAWN RATS RECEIVING METHADONE MAINTENANCE TREATMENT

Publish Year: 1398
نوع سند: مقاله کنفرانسی
زبان: English
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KAMED13_150

تاریخ نمایه سازی: 10 دی 1398

Abstract:

Background and Aim : This study was designed to examine whether treadmill exercise would attenuate the severity of physical dependence, methadone-induced anxiety, depression and voluntary morphine consumption in morphine withdrawn rats receiving methadone maintenance treatment (MMT). Methods : The rats were chronically treated with bi-daily doses (10 mg/kg, at 12 h intervals) of morphine for 14 days. The exercising rats receiving MMT were forced to run on a motorized treadmill for 30 days during morphine withdrawal. Then, rats were tested for the severity of morphine dependence, the elevated plus-maze (EPM), sucrose preference test (SPT) and voluntary morphine consumption using a two-bottle choice (TBC) paradigm. Results : The results showed that naloxone- precipitated opioid withdrawal signs were decreased in exercising morphine-dependent rats receiving MMT than sedentary rats. Also, the exercising morphine-dependent rats receiving MMT exhibited an increased time on open arms, preference for sucrose and a lower morphine preference ratio than sedentary rats. Conclusion : We conclude that treadmill exercise decreased the severity of physical dependence, anxiety/depressive-like behaviors and also the voluntary morphine consumption in morphine withdrawn rats receiving MMT. Thus, exercise may benefit in the treatment of addicts during MMT.

Authors

Maryam Alizadeh

semnan university of medical science