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- W3201934235 abstract "Abstract Systemic perturbations can drive a neuroimmune cascade after surgical trauma, including affecting the blood-brain barrier (BBB), activating microglia, and contributing to cognitive deficits such as delirium. Delirium superimposed on dementia (DSD) is a particularly debilitating complication that renders the brain further vulnerable to neuroinflammation and neurodegeneration, albeit these molecular mechanisms remain poorly understood. Here we have used an orthopedic model of tibial fracture/fixation in APPSwDI/mNos2 -/- AD (CVN-AD) mice to investigate relevant pathogenetic mechanisms underlying DSD. We conducted the present study in 6 months-old CVN-AD mice, an age at which we speculated amyloid-β pathology had not saturated BBB and neuroimmune functioning. We found that URMC-099, our brain-penetrant anti-inflammatory neuroprotective drug, prevented inflammatory endothelial activation, breakdown of the BBB, synapse loss, and microglial activation in our DSD model. Taken together, our data link post-surgical endothelial activation, microglial MafB immunoreactivity, and synapse loss as key substrates for DSD, all of which can be prevented by URMC-099." @default.
- W3201934235 created "2021-10-11" @default.
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- W3201934235 date "2021-10-05" @default.
- W3201934235 modified "2023-10-16" @default.
- W3201934235 title "URMC-099 Prophylaxis Prevents Hippocampal Vascular Vulnerability and Synaptic Damage in an Orthopedic Model of Delirium Superimposed on Dementia" @default.
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- W3201934235 doi "https://doi.org/10.1101/2021.10.04.463042" @default.
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