Zingerone activates VMAT2 during MPP(+) -induced Cell Death.
Jae-Sun Choi1, Woom-Yee Bae1, Chan Park1
1Department of Anatomy and Neurobiology, Kyung Hee University, Seoul, Korea.
Phytotherapy Research : PTR
|August 19, 2015
Summary
Zingerone enhances neuronal survival in a Parkinson's disease (PD) model by increasing vesicular monoamine transporter 2 (VMAT2) expression. This compound offers neuroprotection against 1-methyl-4-phenylpyridinium (MPP(+))-induced cell death.
Area of Science:
- Neuroscience
- Pharmacology
Background:
- Parkinson's disease (PD) involves progressive loss of dopaminergic neurons.
- 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) induces a PD model via MPP(+) neurotoxicity.
- Vesicular monoamine transporter 2 (VMAT2) plays a role in neuroprotection.
Purpose of the Study:
- To investigate the neuroprotective effects of zingerone in an MPP(+)- and MPTP-induced PD model.
- To determine if zingerone modulates neuroinflammation or oxidative stress.
- To explore the mechanisms underlying zingerone's potential neuroprotection.
Main Methods:
- Utilized an MPP(+) and MPTP-mediated Parkinson's disease animal model.
- Assessed neuronal cell survival, neuroinflammation, and reactive oxygen species generation.
- Measured ERK activation and VMAT2 expression.
Main Results:
- Zingerone significantly increased neuronal cell survival in the PD model.
- Zingerone did not alter neuroinflammation or reactive oxygen species levels.
- Zingerone induced ERK activation and upregulated VMAT2 expression, mitigating MPP(+)-induced cell death.
Conclusions:
- Zingerone exhibits significant neuroprotective effects in a Parkinson's disease model.
- The neuroprotection is mediated through ERK activation and enhanced VMAT2 expression.
- Zingerone represents a potential therapeutic agent for Parkinson's disease.
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