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- W2016092464 abstract "Previous studies have indicated that 2,2'-dipyridyl, a lipid-soluble ferrous iron chelator, can reduce brain injury after cerebral ischemia and reduce cerebral vasospasm after subarachnoid hemorrhage. In this study, we examined the efficacy of 2,2'-dipyridyl after intracerebral hemorrhage (ICH) in 12-month-old mice. ICH was modeled by intrastriatal injection of collagenase or autologous whole blood. 2,2'-Dipyridyl or vehicle was administered intraperitoneally 2h before ICH (pretreatment) or 6h after ICH (post-treatment) and then once daily for up to 3 days. Mice in the pretreatment group were sacrificed 1 or 3 days after ICH and examined for iron deposition, neuronal death, oxidative stress, microglial/astrocyte activation, neutrophil infiltration, and white matter damage. Mice in the post-treatment group were examined for brain lesion volume and edema on day 3 and for neurologic deficits on days 1, 3, and 28 after ICH. Pretreatment with 2,2'-dipyridyl decreased iron accumulation and neuronal death, attenuated production of reactive oxygen species, reduced microglial activation without affecting astrocytes or neutrophil infiltration, and attenuated white matter damage. Post-treatment reduced brain lesion volume and edema and improved neurologic function. These results indicate that the lipid-soluble ferrous iron chelator 2,2'-dipyridyl can reduce brain injury and improve functional outcome after ICH." @default.
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- W2016092464 date "2012-01-01" @default.
- W2016092464 modified "2023-10-07" @default.
- W2016092464 title "Efficacy of the lipid-soluble iron chelator 2,2′-dipyridyl against hemorrhagic brain injury" @default.
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- W2016092464 doi "https://doi.org/10.1016/j.nbd.2011.08.028" @default.
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