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- Title
Auraptene and Other Prenyloxyphenylpropanoids Suppress Microglial Activation and Dopaminergic Neuronal Cell Death in a Lipopolysaccharide-Induced Model of Parkinson's Disease.
- Authors
Okuyama, Satoshi; Semba, Tomoki; Toyoda, Nobuki; Epifano, Francesco; Genovese, Salvatore; Fiorito, Serena; Taddeo, Vito Alessandro; Sawamoto, Atsushi; Nakajima, Mitsunari; Furukawa, Yoshiko
- Abstract
In patients with Parkinson's disease (PD), hyperactivated inflammation in the brain, particularly microglial hyperactivation in the substantia nigra (SN), is reported to be one of the triggers for the delayed loss of dopaminergic neurons and sequential motor functional impairments. We previously reported that (1) auraptene (AUR), a natural prenyloxycoumain, suppressed inflammatory responses including the hyperactivation of microglia in the ischemic brain and inflamed brain, thereby inhibiting neuronal cell death; (2) 7-isopentenyloxycoumarin (7-IP), another natural prenyloxycoumain, exerted anti-inflammatory and neuroprotective effects against excitotoxicity; and (3) 40-geranyloxyferulic acid (GOFA), a natural prenyloxycinnamic acid, also exerted anti-inflammatory effects. In the present study, using an intranigral lipopolysaccharide (LPS)-induced PD-like mouse model, we investigated whether AUR, 7-IP, and GOFA suppress microglial activation and protect against dopaminergic neuronal cell death in the SN.We successfully showed that these prenyloxyphenylpropanoids exhibited these prospective abilities, suggesting the potential of these compounds as neuroprotective agents for patients with PD.
- Subjects
INFLAMMATION; NEUROGLIA; DOPAMINERGIC neurons; LIPOPOLYSACCHARIDES; PARKINSON'S disease
- Publication
International Journal of Molecular Sciences, 2016, Vol 17, Issue 10, p1716
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms17101716