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Articles 1 - 3 of 3
Full-Text Articles in Neurosciences
Method Of Intra-Arterial Drug Administration In A Rat: Sex Based Optimization Of Infusion Rate, Sarah J. Messmer, Justin F. Fraser, Keith R. Pennypacker, Jill M. Roberts
Method Of Intra-Arterial Drug Administration In A Rat: Sex Based Optimization Of Infusion Rate, Sarah J. Messmer, Justin F. Fraser, Keith R. Pennypacker, Jill M. Roberts
Center for Advanced Translational Stroke Science Faculty Publications
BACKGROUND: Endovascular thrombectomy is the process of removing a blood clot and re-establishing blood flow in patients with emergent large vessel occlusion. The technique provides an opportunity to deliver therapeutics directly to the site of injury. The intra-arterial (IA) route of drug administration in the mouse was developed to bridge the gap between animal stroke treatments and clinical stroke therapy. Here, we adapted the IA method for use in rats, by investigating various flow rates to optimize the IA injection through the internal carotid artery (ICA).
METHODS: Male and female Sprague-Dawley rats (∼4 months of age) were subjected to placement …
The Role Of The Leukemia Inhibitory Factor Receptor In Neuroprotective Signaling, Stephanie M. Davis, Keith R. Pennypacker
The Role Of The Leukemia Inhibitory Factor Receptor In Neuroprotective Signaling, Stephanie M. Davis, Keith R. Pennypacker
Center for Advanced Translational Stroke Science Faculty Publications
Several neurotropic cytokines relay their signaling through the leukemia inhibitory factor receptor. This 190kDa subunit couples with the 130kDa gp130 subunit to transduce intracellular signaling in neurons and oligodendrocytes that leads to expression of genes associated with neurosurvival. Moreover, activation of this receptor alters the phenotype of immune cells to an anti-inflammatory one. Although cytokines that activate the leukemia inhibitory factor receptor have been studied in the context of neurodegenerative disease, therapeutic targeting of the specific receptor subunit has been understudied in by comparison. This review examines the role of this receptor in the CNS and immune system, and its …
Targeting Antioxidant Enzyme Expression As A Therapeutic Strategy For Ischemic Stroke, Stephanie M. Davis, Keith R. Pennypacker
Targeting Antioxidant Enzyme Expression As A Therapeutic Strategy For Ischemic Stroke, Stephanie M. Davis, Keith R. Pennypacker
Center for Advanced Translational Stroke Science Faculty Publications
During ischemic stroke, neurons and glia are subjected to damage during the acute and neuroinflammatory phases of injury. Production of reactive oxygen species (ROS) from calcium dysregulation in neural cells and the invasion of activated immune cells are responsible for stroke-induced neurodegeneration. Scientists have failed thus far to identify antioxidant-based drugs that can enhance neural cell survival and improve recovery after stroke. However, several groups have demonstrated success in protecting against stroke by increasing expression of antioxidant enzymes in neural cells. These enzymes, which include but are not limited to enzymes in the glutathione peroxidase, catalase, and superoxide dismutase families, …