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Ketamine improves neuronal recovery following spreading depolarization in peri ‐infarct tissues
We examined spreading depolarization (SD) waves in a mouse stroke model. SDs were initiated by focal potassium chloride application and propagated through a region of graded perfusion deficit created by distal middle cerebral artery (dMCA) occlusion. Longer lasting depolarizations (DC shifts measured from local field potential (LFP) electrodes) and neuronal Ca2+ transients (epifluorescence GCaMP imaging) occurred at locations with larger perfusion deficits (proximal to occlusion), as compared with remote recording sites (laser speckle contrast imaging (LSCI) of cerebral perfusion). Ketamine, at concentrations that did not ...
Source: Journal of Neurochemistry - August 19, 2023 Category: Neuroscience Authors: Katelyn M. Reinhart, Russell A. Morton, K. C. Brennan, Andrew P. Carlson, C. William Shuttleworth Tags: ORIGINAL ARTICLE Source Type: research

Erythropoietin attenuates loss of potassium chloride co-transporters following prenatal brain injury
Publication date: July 2014 Source:Molecular and Cellular Neuroscience, Volume 61 Author(s): L.L. Jantzie , P.M. Getsy , D.J. Firl , C.G. Wilson , R.H. Miller , S. Robinson Therapeutic agents that restore the inhibitory actions of γ-amino butyric acid (GABA) by modulating intracellular chloride concentrations will provide novel avenues to treat stroke, chronic pain, epilepsy, autism, and neurodegenerative and cognitive disorders. During development, upregulation of the potassium-chloride co-transporter KCC2, and the resultant switch from excitatory to inhibitory responses to GABA guide the formation of essential inhibit...
Source: Molecular and Cellular Neuroscience - November 3, 2014 Category: Neuroscience Source Type: research