کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4350932 | 1615195 | 2006 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Trifluoperazine, an orally available clinically used drug, disrupts opioid antinociceptive tolerance
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب (عمومی)
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چکیده انگلیسی
Calcium/calmodulin dependent protein kinase II (CaMKII) has been shown to play an important role in the generation and maintenance of opioid tolerance. In this study, trifluoperazine was studied for its effect on morphine tolerance in mice. Acute treatment with trifluoperazine (0.5 mg/kg, i.p.) completely reversed the established antinociceptive tolerance to morphine. Pretreatment with trifluoperazine also significantly attenuated the development of antinociceptive tolerance (p < 0.01). Morphine induced a significant up-regulation of supraspinal and spinal CaMKII activity in tolerant mice, which was abolished after the pretreatment or acute treatment with trifluoperazine. These data suggested that trifluoperazine was capable of suppressing opioid tolerance, possibly by the mechanism of inhibiting CaMKII. Since trifluoperazine has been safely used as an antipsychotic drug, we propose that the drug should be studied in humans for the prevention and treatment of opioid tolerance and addiction.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuroscience Letters - Volume 397, Issues 1â2, 10â17 April 2006, Pages 1-4
Journal: Neuroscience Letters - Volume 397, Issues 1â2, 10â17 April 2006, Pages 1-4
نویسندگان
Lei Tang, Pradeep K. Shukla, Zaijie Jim Wang,