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| Content Provider | PubMed Central |
|---|---|
| Author | Belayev, Ludmila Eady, Tiffany N. Larissa, Khoutorova Atkins, Kristal D. Andre, Obenaus Cordoba, Marta Vaquero, Juan J. Julio, Alvarez-builla Bazan, Nicolas G. |
| Abstract | Platelet-activating factor (PAF) accumulates during cerebral ischemia, and inhibition of this process plays a critical role in neuronal survival. Recently, we demonstrated that LAU-0901, a novel PAF receptor antagonist, is neuroprotective in experimental stroke. We used magnetic resonance imaging in conjunction with behavior and immunohistopathology to expand our understanding of this novel therapeutic approach. Sprague–Dawley rats received 2 h middle cerebral artery occlusion (MCAo) and were treated with LAU-0901 (60 mg/kg) or vehicle 2 h from MCAo onset. Behavioral function, T2-weighted imaging (T2WI), and apparent diffusion coefficients were performed on days 1, 3, and 7 after MCAo. Infarct volume and number of GFAP, ED-1, and NeuN-positive cells were conducted on day 7. Behavioral deficit was significantly improved by LAU-0901 treatment compared to vehicle on days 1, 3, and 7. Total lesion volumes computed from T2WI were significantly reduced by LAU-0901 on days 1, 3, and 7 (by 83%, 90%, and 96%, respectively), which was consistent with decreased edema formation. Histopathology revealed that LAU-0901 treatment resulted in significant reduction of cortical and subcortical infarct volumes, attenuated microglial infiltration, and promoted astrocytic and neuronal survival. These findings suggest LAU-0901 is a promising neuroprotectant and provide the basis for future therapeutics in patients suffering ischemic stroke. |
| Related Links | http://dx.doi.org/10.1007/s12975-011-0116-y |
| Ending Page | 163 |
| Page Count | 10 |
| Starting Page | 154 |
| File Format | |
| ISSN | 18684483 |
| e-ISSN | 1868601X |
| Journal | Translational Stroke Research |
| Issue Number | 1 |
| Volume Number | 3 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2012-03-01 |
| Access Restriction | Open |
| Rights Holder | Springer-Verlag |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cardiology and Cardiovascular Medicine Neuroscience Neurology (clinical) |
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