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- W2015857924 abstract "Caffeine administered to preterm infants has been shown to reduce rates of cerebral palsy and cognitive delay, compared to placebo. We investigated the neuroprotective potential of caffeine for the developing brain in a neonatal rat model featuring transient systemic hyperoxia. Using 6-day-old rat pups, we found that after 24 and 48 h of 80% oxygen exposure, apoptotic (TUNEL+) cell numbers increased in the cortex, hippocampus, and central gray matter, but not in the hippocampus or dentate gyrus. In the dentate gyrus, high oxygen exposure led to a decrease in the number of proliferating (Ki67+) cells and the number of Ki67+ cells double staining for nestin (immature neurons), doublecortin (progenitors), and NeuN (mature neurons). Absolute numbers of nestin+, doublecortin+, and NeuN+ cells also decreased after hyperoxia. This was mirrored in a decline of transcription factors expressed in immature neurons (Pax6, Sox2), progenitors (Tbr2), and mature neurons (Prox1, Tbr1). Administration of a single dose of caffeine (10 mg/kg) before high oxygen exposure almost completely prevented these effects. Our findings suggest that caffeine exerts protection for neonatal neurons exposed to high oxygen, possibly via its antioxidant capacity." @default.
- W2015857924 created "2016-06-24" @default.
- W2015857924 creator A5026644009 @default.
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- W2015857924 creator A5080212801 @default.
- W2015857924 creator A5083393592 @default.
- W2015857924 date "2014-02-01" @default.
- W2015857924 modified "2023-10-11" @default.
- W2015857924 title "Caffeine protects neuronal cells against injury caused by hyperoxia in the immature brain" @default.
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