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During cerebral ischemia, neurons undergo rapid alterations in dendritic structure consisting of focal swelling and spine loss. We used time-lapse microscopy to determine the fate of dendritic spines that disappeared after brief, sublethal hypoxic or excitotoxic exposures. Dendrite and spine morphology were assessed in cultured cortical neurons expressing(More)
  • Ron Brandt, John Barell, +13 authors Jay McTighe
  • 2010
_____________________ Study Guide This study guide is a companion to the book 21st Century Skills: Rethinking How Students Learn by James Bellanca and Ron Brandt (Eds.). 21st Century Skills unites education authorities from around the globe and asks them to examine a daunting challenge facing today's educators: how to equip students with the skills to(More)
Because of its requirement for signaling by multiple cytokines, Janus kinase 3 (JAK3) is an excellent target for clinical immunosuppression. We report the development of a specific, orally active inhibitor of JAK3, CP-690,550, that significantly prolonged survival in a murine model of heart transplantation and in cynomolgus monkeys receiving kidney(More)
The effects of TRH upon neurohypophyseal hormone release were studied in conscious rabbits. Intravenous infusion of 250 nm/kg TRH had no significant effect on either arginine vasopressin (AVP) or oxytocin (OT) release, but a 5-fold greater dose led to significant increases in plasma levels of both AVP and OT and behavioral arousal. Intraventricular(More)
Specific in vivo immunoneutralization of hypophysiotrophic corticotropin-releasing factor (CRF) and vasopressin (AVP) was used to investigate the respective roles of these circulating peptides in the hormonal response to a social stressor in Wistar rats. The effect of peripheral immunoneutralization on the behavioral response to the same social stressor was(More)
The concentrations of oxytocin, arginine vasopressin, and estrogen stimulated neurophysin in cerebrospinal fluid of monkeys showed a daily fluctuation with high concentrations occurring during the light period. The patterns of oxytocin and estrogen-stimulated neurophysin in the cerebrospinal fluid were not observed in the plasma nor were they altered after(More)