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Abstract Title:

High-fat diet-induced neuropathy of prediabetes and obesity: effect of PMI-5011, an ethanolic extract of Artemisia dracunculus L.

Abstract Source:

Mediators Inflamm. 2010;2010:268547. Epub 2010 Apr 8. PMID: 20396384

Abstract Author(s):

Pierre Watcho, Roman Stavniichuk, David M Ribnicky, Ilya Raskin, Irina G Obrosova

Article Affiliation:

Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA 70808, USA.

Abstract:

Artemisia species are a rich source of herbal remedies with antioxidant and anti-inflammatory properties. We evaluated PMI-5011, an ethanolic extract of Artemisia dracunculus L., on neuropathy in high-fat diet-fed mice, a model of prediabetes and obesity developing oxidative stress and proinflammatory changes in peripheral nervous system. C57Bl6/J mice fed high-fat diet for 16 weeks developed obesity, moderate nonfasting hyperglycemia, nerve conduction deficit, thermal and mechanical hypoalgesia, and tactile allodynia. They displayed 12/15-lipoxygenase overexpression, 12(S)-hydroxyeicosatetraenoic acid accumulation, and nitrosative stress in peripheral nerve and spinal cord. PMI-5011 (500 mg kg(-1) d(-1), 7 weeks) normalized glycemia, alleviated nerve conduction slowing and sensory neuropathy, and reduced 12/15-lipoxygenase upregulation and nitrated protein expression in peripheral nervous system. PMI-5011, a safe and nontoxic botanical extract, may find use in treatment of neuropathic changes at the earliest stage of disease.

Study Type : Animal Study

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Sayer Ji
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