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Different effects of high- and low-dose phenobarbital on post-stroke seizure suppression and recovery in immature CD1 mice by Geoffrey J. Markowitz; Shilpa D. Kadam; Dani R. Smith; Michael V. Johnston; Anne M. Comi is a Medicine article available to read on EtoBox.
What is Different effects of high- and low-dose phenobarbital on post-stroke seizure suppression and recovery in immature CD1 mice about?
Neonatal stroke presents with seizures that are usually treated with phenobarbital. We hypothesized that anticonvulsants would attenuate ischemic injury, but that the dose-dependent effects of standard anticonvulsants would impact important age-dependent and injury-dependent consequences. In this study, ischemia induced by unilateral carotid ligation in postnatal day 12 (P12) CD1 mice was immediately followed by an i.p. dose of vehicle, low-dose or high-dose phenobarbital. Severity of acute behavioral seizures was scored. 5-Bromo-2 -deoxyuridine (BrdU) was administered from P18 to P20, behavioral testing performed, and mice perfused at P40. Atrophy quantification and counts of BrdU/NeuN-labeled cells in the dentate gyrus were performed. Blood phenobarbital concentrations were measured. 30 mg/kg phenobarbital reduced acute seizures and chronic brain injury, and restored normal weight gain and exploratory behavior. By comparison, 60 mg/kg was a less efficacious anticonvulsant, was not neuroprotective, did not restore normal weight gain, and impaired behavioral and cognitive recovery. Hippocampal neurogenesis was not different between treatment groups. These results suggest a protecti
Who reads Different effects of high- and low-dose phenobarbital on post-stroke seizure suppression and recovery in immature CD1 mice?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Geoffrey J. Markowitz; Shilpa D. Kadam; Dani R. Smith; Michael V. Johnston; Anne M. Comi
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0920-1211)
- Published
- 2011
- Language
- EN
- Field
- Medicine (Health Sciences)