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:: Volume 21, Issue 1 (winter 2019) ::
koomesh 2019, 21(1): 164-170 Back to browse issues page
Preventive effects of progesterone against neuropathic pain responses in a rat model of chronic constriction injury
Morteza Jarrahi , Roya Hasani , Ali Rashidy-Pour , Hossein Ali Safakhah *
Abstract:   (407 Views)
Introduction: Neuropathic pain is a chronic pain that results from damage to the central nervous system and also environment. Neuropathic pain is important for general health and approximately 6% of the adult population is affected worldwide. Despite the therapeutic choices, treatment for neuropathic pain is facing challenges. An experimental model that is very close to human neuropathic model is the chronic constriction injury (CCI) model.  Progesterone (PROG) is one of the most potent anti-inflammatory and anti-inflammatory neurostimulants, and GABA-A receptor palys an important role in mediating the biological effects of PROG. In this study, the effects of PROG on behavioral responses of pain in the neuropathic pain model of CCI, and the possible role of GABA-A receptor in its effect were investigated in rats.
Materials and Methods:  70 male Wistar rats were used in 7 groups (n = 10). First, neuropathic pain was induced by the CCI method in the respective groups. Following CCI, PROG (6 mg/kg) and or the GABA-A receptor antagonist bicuculin (0.5 or 2 mg/kg) or vehicle were administered daily until day 13 post-CCI. On days 14 and 27, the behavioural tests including mechanical allodynia and thermal hyperalgesia were done.
Results: Daily injections of PROG PROG for 12 days prevented the mechanical allodynia and thermal hyperalgesia following CCI and this effect was blocked the bicuculin pretreatment.
Conclusion: The findings of this study showed that treatment with progesterone may prevent the development of peripheral neuropathy, at least in part, via GABA-A receptors.
Keywords: Neuropathic Pain, Progesterone, CCI, Beicukulin
Full-Text [PDF 809 kb]   (50 Downloads)    
Type of Study: Research | Subject: General
Received: 2018/05/7 | Accepted: 2018/10/1 | Published: 2019/01/7
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Jarrahi M, Hasani R, Rashidy-Pour A, Safakhah H A. Preventive effects of progesterone against neuropathic pain responses in a rat model of chronic constriction injury . koomesh. 2019; 21 (1) :164-170
URL: http://koomeshjournal.semums.ac.ir/article-1-4801-en.html


Volume 21, Issue 1 (winter 2019) Back to browse issues page
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