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Iranian Journal of Pharmaceutical Research
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Sepand, M., Soodi, M., Hajimehdipoor, H., Sahraei, E. (2013). Comparison of Neuroprotective Effects of Melissa officinalis Total Extract and Its Acidic and Non-Acidic Fractions against A β-Induced Toxicity. Iranian Journal of Pharmaceutical Research, 12(2), 415-423. doi: 10.22037/ijpr.2013.1294
Mohammad Reza Sepand; Maliheh Soodi; Homa Hajimehdipoor; Ehsan Sahraei. "Comparison of Neuroprotective Effects of Melissa officinalis Total Extract and Its Acidic and Non-Acidic Fractions against A β-Induced Toxicity". Iranian Journal of Pharmaceutical Research, 12, 2, 2013, 415-423. doi: 10.22037/ijpr.2013.1294
Sepand, M., Soodi, M., Hajimehdipoor, H., Sahraei, E. (2013). 'Comparison of Neuroprotective Effects of Melissa officinalis Total Extract and Its Acidic and Non-Acidic Fractions against A β-Induced Toxicity', Iranian Journal of Pharmaceutical Research, 12(2), pp. 415-423. doi: 10.22037/ijpr.2013.1294
Sepand, M., Soodi, M., Hajimehdipoor, H., Sahraei, E. Comparison of Neuroprotective Effects of Melissa officinalis Total Extract and Its Acidic and Non-Acidic Fractions against A β-Induced Toxicity. Iranian Journal of Pharmaceutical Research, 2013; 12(2): 415-423. doi: 10.22037/ijpr.2013.1294

Comparison of Neuroprotective Effects of Melissa officinalis Total Extract and Its Acidic and Non-Acidic Fractions against A β-Induced Toxicity

Article 20, Volume 12, Issue 2, Spring 2013, Page 415-423  XML PDF (1.36 MB)
Document Type: Research article
DOI: 10.22037/ijpr.2013.1294
Authors
Mohammad Reza Sepand1; Maliheh Soodi email 1; Homa Hajimehdipoor2; Ehsan Sahraei3
1Department of Toxicology, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
2Department of Traditional Pharmacy, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3Department of Toxicology, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
Abstract
 
Alzheimer’s disease (AD) is a neurodegenerative disease that was characterized with deposit of beta amyloid (Aβ) aggregate in senile plaque. Oxidative damage to neurons and loss of cholinergic neurons in forebrain region are observed in this disease. Melissa officinalis is a medicinal plant from Lamiaceae family, used traditionally in the treatment of cognitive disorders. It has cholinomimetic and potent antioxidant activity. In the present study, we investigated the possible neuroprotective effects of total ethanolic extract, acidic and non-acidic fraction of Melissa officinalis on Aβ-induced cytotoxicity and oxidative stress in PC12 cells and also measured their in-vitro anticholinesterase activity. PC12 cells were incubated with the extract and fractions prior to the incubation with Aβ and cell toxicity was assessed by MTT assay. In addition, productions of reactive oxygen species (ROS), Malondialdehyde (MDA) as a biomarker of lipid peroxidation and glutathione peroxidase activity were measured. Pretreatment of cells with total extract and acidic fraction (not non-acidic fraction) had protective effect against Aβ-induced oxidative changes and cell death. In concentrations in which both total extracts of an acidic fraction showed neuroprotective effects, inhibition of cholinesterase activity was not significant. Then, the protective effects of Melissa officinalis total extract and acidic fraction were not attributed to their anticholinesterase activity. Acidic fraction showed more potent protective effect compared to the total extract, leading to the fact that polyphenolic compounds and terpenoic acids are the most effective components in the total extract concentrated in this fraction.
Keywords
Beta-Amyloid; Melissa officinalis; Fractions; Neuroprotection; Oxidative stress
Main Subjects
Pharmacognosy; toxicology and Pharmacology
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