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Direct AT2R Stimulation Slows Post-stroke Cognitive Decline in the 5XFAD Alzheimer ’s Disease Mice
AbstractAlzheimer ’s disease (AD), currently the single leading cause of death still on the rise, almost always coexists alongside vascular cognitive impairment (VCI). In fact, the ischemic disease affects up to 90% of AD patients, with strokes and major infarctions representing over a third of vascular lesions. St udies also confirmed that amyloid plaques, typical of AD, are much more likely to cause dementia if strokes or cerebrovascular damage also exist, leading to the term “mixed pathology” cognitive impairment. Although its incidence is expected to grow, there are no satisfactory treatments. There is hence an u...
Source: Molecular Neurobiology - June 5, 2022 Category: Neurology Source Type: research

Bone Marrow-Derived Endothelial Progenitor Cells Protect Against Scopolamine-Induced Alzheimer-Like Pathological Aberrations
Abstract Vascular endothelial dysfunction plays a key role in the pathogenesis of Alzheimer’s disease (AD). Patients with AD have displayed decreased circulating endothelial progenitor cells (EPCs) which repair and maintain the endothelial function. Transplantation of EPCs has emerged as a promising approach for the management of cerebrovascular diseases including ischemic stroke, however, its impact on AD has been poorly described. Thus, the current study aimed at investigating the effects of bone marrow-derived (BM) EPCs transplantation in repeated scopolamine-induced cognitive impairment, an experimental mode...
Source: Molecular Neurobiology - December 20, 2014 Category: Neurology Source Type: research

Tale of the Good and the Bad Cdk5: Remodeling of the Actin Cytoskeleton in the Brain
AbstractCdk5 kinase, a cyclin-dependent kinase family member, is a key regulator of cytoskeletal remodeling in the brain. Cdk5 is essential for brain development during embryogenesis. After birth, it is essential for numerous neuronal processes such as learning and memory formation, drug addiction, pain signaling, and long-term behavior changes, all of which rely on rapid alterations in the cytoskeleton. Cdk5 activity is deregulated in various brain disorders including Alzheimer ’s disease, Parkinson’s disease, amyotrophic lateral sclerosis, and ischemic stroke, resulting in profound remodeling of the neuronal cytoskel...
Source: Molecular Neurobiology - May 13, 2017 Category: Neurology Source Type: research