NDLI: Oral Supplements of Aqueous Extract of Tomato Seeds Alleviate Motor Abnormality, Oxidative Impairments and Neurotoxicity Induced by Rotenone in Mice: Relevance to Parkinson’s Disease

Content Provider	Springer Nature Link
Author	Gokul, Krishna
Copyright Year	2014
Abstract	Although tomato seeds (an industrial by-product) are known to contain several bioactive compounds, studies describing their health effects are limited. Previously, we evidenced that aqueous extract of tomato seeds (TSE) markedly attenuated rotenone (ROT)-induced oxidative stress and neurotoxicity in Drosophila system. This study investigated the neuroprotective effect of TSE in a chronic ROT model of neurotoxicity in mice. Initially, we assessed the potential of oral supplements of TSE to modulate the levels of endogenous markers of oxidative stress in brain regions of mice. Subsequently, employing a co-exposure paradigm, the propensity of TSE (100 mg/kg bw, 3 weeks) to attenuate ROT-induced behavioral phenotype (gait abnormalities, anxiety-like state), oxidative dysfunctions and neurotoxicity was examined. We found that mice provided with TSE supplements exhibited progressive improvement in gait pattern and exploratory behavior. TSE markedly offset ROT-induced oxidative impairments, restored reduced glutathione levels, antioxidant defenses (superoxide dismutase, glutathione peroxidase) and protein carbonyls content in brain regions. Specifically, TSE effectively diminished ROT induced elevation in the activity levels of acetylcholinesterase and restored the dopamine levels in striatum. Interestingly, in mitochondria, TSE was able to restore the activity of mitochondrial complexes and redox state. Collectively, our findings in the chronic ROT model demonstrate the ability of TSE to alleviate behavioral phenotype, oxidative stress, mitochondrial dysfunction and neurotoxicity. Further studies in dopaminergic cell models are necessary to understand the precise molecular mechanism/s by which tomato seed bioactives offer significant neuroprotection.
Starting Page	1382
Ending Page	1394
Page Count	13
File Format	PDF
ISSN	03643190
Journal	Neurochemical Research
Volume Number	39
Issue Number	7
e-ISSN	15736903
Language	English
Publisher	Springer US
Publisher Date	2014-05-16
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Tomato Seeds Rotenone Anxiety Motor dysfunction Oxidative stress Parkinson’s disease Neurosciences Neurochemistry Biochemistry Cell Biology Neurology
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Cellular and Molecular Neuroscience

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