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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pentón Rol, Giselle Lagumersindez Denis, Nielsen Muzio, Luca Bergami, Alessandra Furlan, Roberto Fernández Massó, Julio R. Nazabal Galvez, Marcelo Llópiz Arzuaga, Alexey Herrera Rolo, Tania Veliz Rodriguez, Tania Polentarutti, Nadia Marín Prida, Javier Raíces Cruz, Ivette Valenzuela Silva, Carmen Teixeira, Mauro Martins Pentón Arias, Eduardo |
| Copyright Year | 2015 |
| Abstract | Multiple Sclerosis (MS) therapies approved so far are unable to effectively reverse the chronic phase of the disease or improve the remyelination process. Here our aim is to evaluate the effects of C-Phycocyanin (C-Pc), a biliprotein from Spirulina platensis with anti-oxidant, anti-inflammatory and cytoprotective properties, in a chronic model of experimental autoimmune encephalomyelitis (EAE) in mice. C-Pc (2, 4 or 8 mg/kg i.p.) or IFN-beta (2000 IU, s.c.) was administered daily once a day or every other day, respectively, starting at disease onset, which differ among EAE mice between 11 and 15 days postinduction. Histological and immunohistochemistry (anti-Mac-3, anti-CD3 and anti-APP) assessments were performed in spinal cord in the postinduction time. Global gene expression in the brain was analyzed with the Illumina Mouse WG-6_V2 BeadChip microarray and the expression of particular genes, assessed by qPCR using the Fast SYBR Green RT-PCR Master Mix. Oxidative stress parameters (malondialdehyde, peroxidation potential, CAT/SOD ratio and GSH) were determined spectrophoto-metrically. Results showed that C-Pc ameliorates the clinical deterioration of animals, an effect that expresses the reduction of the inflammatory infiltrates invading the spinal cord tissue, the axonal preservation and the down-regulation of IL-17 expression in brain tissue and serum. C-Pc and IFN-beta improved the redox status in mice subjected to EAE, while microarray analysis showed that both treatments shared a common subset of differentially expressed genes, although they also differentially modulated another subset of genes. Specifically, C-Pc mainly modulated the expression of genes related to remyelination, gliogenesis and axon-glia processes. Taken together, our results indicate that C-Pc has significant therapeutic effects against EAE, mediated by the dynamic regulation of multiple biological processes. |
| Starting Page | 153 |
| Ending Page | 167 |
| Page Count | 15 |
| File Format | |
| ISSN | 15571890 |
| Journal | Journal of Neuroimmune Pharmacology |
| Volume Number | 11 |
| Issue Number | 1 |
| e-ISSN | 15571904 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-11-10 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Multiple sclerosis EAE C-Phycocyanin Remyelination IFN-beta Neuroregeneration Neurosciences Immunology Pharmacology/Toxicology Virology Cell Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Immunology and Allergy Pharmacology Immunology |
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