Article Publish Status: FREE
Abstract Title:

, Rosmarinic and Caffeic Acids Attenuate Neuropathic Pain and Improve Function Recovery after Sciatic Nerve Chronic Constriction in Mice.

Abstract Source:

Evid Based Complement Alternat Med. 2019 ;2019:1702378. Epub 2019 Jun 24. PMID: 31341489

Abstract Author(s):

Zineb El Gabbas, Kenza Bezza, Jawad Laadraoui, Mehdi Ait Laaradia, Aaziz Kebbou, Sara Oufquir, Abderrahman Boukhira, Rachida Aboufatima, Abderrahman Chait

Article Affiliation:

Zineb El Gabbas


The leaves of. have a traditional reputation for the management of pain in Morocco. This study was conducted to investigate the curative effects of(SO) and its major constituents Rosmarinic (ROS) and Caffeic acids (CAF) on peripheral neuropathic pain in mice. Chronic constriction injury (CCI) was induced in mice, and neuropathic pain behaviors tests were evaluated by mechanical, chemical, thermal sensation tests and functional recovery of the sciatic nerve at different time intervals,., (day 0, 1, 7, 14, and 21). Ethanolic extract of SO (100 and 200 mg/kg,), ROS (10 and 20 mg/kg,), CAF (30 and 40 mg/kg,), and CLOM (5 mg/kg,, a positive control) was given for 21 days after surgery. Hematological and biochemical parameters were also measured as well as histopathological analysis. CCI produced significant development in mechanical and thermal hyperalgesia, cold allodynia, and rise in the sciatic functional index in mice. Chronic treatments with SO extract, ROS, CAF, and CLOM for 3 weeks significantly increased mechanical sensibility, cold, and thermal withdrawal latency and enhanced functional recovery of the injured nerve. The same treatments remarkably ameliorated hematological parameters and did not alter biochemical levels. The histopathological findings had revealed the protective effect of SO, ROS, and CAF against the CCI-induced damage. Our data support the use of SO in folk medicine to alleviate pain. Their main phenolic constituents could be promising antineuropathic compounds, which may be attributed to their biological activities including anti-inflammatory, antioxidant, and neuroprotective effects. SO leaves may be a good candidate to treat neuropathic pain.

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