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| Content Provider | Springer Nature Link |
|---|---|
| Author | Calvello, Rosa Cianciulli, Antonia Nicolardi, Giuseppe De Nuccio, Francesco Giantti, Laura Salvatore, Rosaria Porro, Chiara Trotta, Teresa Panaro, Maria Antonietta Lofrumento, Dario Domenico |
| Copyright Year | 2016 |
| Abstract | Microglia-mediated neuroinflammation has been described as a common hallmark of Parkinson’s disease (PD) and is believed to further exacerbate the progressive degeneration of dopaminergic neurons. Current therapies are unable to prevent the disease progression. A significant association has been demonstrated between PD and low levels of vitamin D in patients serum, and vitamin D supplement appears to have a beneficial clinical effect. Herein, we investigated whether vitamin D administered orally in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced preclinical animal model of PD protects against glia-mediated inflammation and nigrostriatal neurodegeneration. Vitamin D significantly attenuated the MPTP-induced loss of tyrosine hydrlase (TH)-positive neuronal cells, microglial cell activation (Iba1-immunoreactive), inducible nitric oxide synthase (iNOS) and TLR-4 expression, typical hallmarks of the pro-inflammatory (M1) activation of microglia. Additionally, Vitamin D was able to decrease pro-inflammatory cytokines mRNA expression in distinct brain areas of the MPTP mouse. Importantly, we also assessed the anti-inflammatory property of vitamin D in the MPTP mouse, in which it upregulated the anti-inflammatory cytokines (IL-10, IL-4 and TGF-β) mRNA expression as well as increasing the expression of CD163, CD206 and CD204, typical hallmarks of alternative activation of microglia for anti-inflammatory signalling (M2). Collectively, these results demonstrate that vitamin D exhibits substantial neuroprotective effects in this PD animal model, by attenuating pro-inflammatory and up-regulating anti-inflammatory processes. |
| Starting Page | 327 |
| Ending Page | 339 |
| Page Count | 13 |
| File Format | |
| ISSN | 15571890 |
| Journal | Journal of Neuroimmune Pharmacology |
| Volume Number | 12 |
| Issue Number | 2 |
| e-ISSN | 15571904 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-12-16 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Vitamin D Microglia MPTP Parkinson’s disease Neuroinflammation Neurosciences Immunology Pharmacology/Toxicology Virology Cell Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Immunology and Allergy Pharmacology Immunology |
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