Abstract Title:

Pain-relieving effects of Lawsonia inermis on neuropathic pain induced by chronic constriction injury.

Abstract Source:

Metab Brain Dis. 2021 Jun 25. Epub 2021 Jun 25. PMID: 34169409

Abstract Author(s):

Hassan Rakhshandeh, Amirhosein Ghorbanzadeh, Sajad Sahab Negah, Maryam Akaberi, Roghayeh Rashidi, Fatemeh Forouzanfar

Article Affiliation:

Hassan Rakhshandeh


The aim of this study was to determine the role of Lawsonia inermis (L. inermis) extract in the chronic constriction injury (CCI)-induced neuropathic pain. Following CCI surgery, L. inermis extract (250 mg/kg and 500 mg/kg) and gabapentin (100 mg/kg) were administered intraperitoneally for 14 consecutive days. Heat hyperalgesia and allodynia were assessed by radiant heat, aceton drop, and von frey filament tests, respectively. Rat pain behaviors were evaluated on -1sh, 3rd, 5th, 7th, 10th and 14th days post CCI surgery. At the end of the study, the spinal levels of malondialdehyde (MDA), total thiol, IL1-β, and TNF-α were estimated. Treatment of L. inermis extract reversed the decreased level of thiol and the elevation of MDA level in the spinal cord of CCI rats. Besides, L. inermis extract treatment decreased the elevation of inflammatory markers including IL1-β, and TNF-α in the spinal cord of CCI rats. These results indicated that L. inermis has potential neuroprotective effects against CCI induced neuropathic pain due to its anti-oxidant, and anti-inflammatory effects.

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