Abstract:
:Due to the high ability of cadmium to cross the blood-brain barrier, cadmium (Cd) causes severe neurological damages. Hence, the purpose of this study was to investigate the possible protective effect of Mangifera indica leaf extract (MLE) against Cd-induced neurotoxicity. Rats were divided into eight groups. Group 1 served as vehicle control group, groups 2, 3 and 4 received MLE (100, 200, 300 mg /kg b.wt, respectively). Group 5 was treated with CdCl2 (5 mg/kg b.wt). Groups 6, 7 and 8 were co-treated with MLE and CdCl2 using the same doses. All treatments were orally administered for 28 days. Cortical oxidative stress biomarkers [Malondialdehyde (MDA), nitric oxide (NO), glutathione content (GSH), oxidized form of glutathione (GSSG), 8-hydroxy-2-deoxyguanosine (8-OHdG), superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx)], inflammatory cytokines [tumor necrosis factor (TNF-α) and interlukin-1β (IL-1β)], biogenic amines [norepinephrine (NE), dopamine (DA) and serotonin (5-HT)], some biogenic metabolites [3,4-dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA) and 5-hydroxyindoleacetic acid (5-HIAA)], acetylcholine esterase activity (AChE) and purinergic compound [adenosine triphosphate (ATP)] were determined in frontal cortex of rats. Results indicated that Cd increased levels of the oxidative biomarkers (MDA, NO, GSSG and 8-OHdG) and the inflammatory mediators (TNF-α and IL-1β), while lowered GSH, SOD, CAT, GPx and ATP levels. Also, Cd significantly decreased the AChE activity and the tested biogenic amines while elevated the tested metabolites in the frontal cortex. Levels of all disrupted cortical parameters were alleviated by MLE co-administration. The MLE induced apparent protective effect on Cd-induced neurotoxicity in concern with its medium and higher doses which may be due to its antioxidant and anti-inflammatory activities.
journal_name
Metab Brain Disjournal_title
Metabolic brain diseaseauthors
Al Omairi NE,Radwan OK,Alzahrani YA,Kassab RBdoi
10.1007/s11011-018-0222-6subject
Has Abstractpub_date
2018-08-01 00:00:00pages
1121-1130issue
4eissn
0885-7490issn
1573-7365pii
10.1007/s11011-018-0222-6journal_volume
33pub_type
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journal_title:Metabolic brain disease
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journal_title:Metabolic brain disease
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