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Free Content Inflammatory Cyclooxygenase Activity and PGE2 Signaling in Models of Alzheimer’s Disease

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The inflammatory response is a fundamental driving force in the pathogenesis of Alzheimer’s disease (AD). In the setting of accumulating immunogenic Aß peptide assemblies, microglia, the innate immune cells of the brain, generate a non-resolving immune response and fail to adequately clear accumulating Aß peptides, accelerating neuronal and synaptic injury. Pathological, biomarker, and imaging studies point to a prominent role of the innate immune response in AD development, and the molecular components of this response are beginning to be unraveled. The inflammatory cyclooxygenase-PGE2 pathway is implicated in pre-clinical development of AD, both in epidemiology of normal aging populations and in transgenic mouse models of Familial AD. The cyclooxygenase-PGE2 pathway modulates the inflammatory response to accumulating Aß peptides through actions of specific E-prostanoid G-protein coupled receptors.
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Keywords: Alzheimer’s disease; EP2 receptor; EP3 receptor; EP4 receptor; amyloid beta; cyclooxgenases; inflammation; microglia; prostaglandin E2

Document Type: Research Article

Publication date: August 1, 2015

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  • Current Immunology Reviews publishes frontier reviews on all the latest advances in clinical immunology. The journal's aim is to publish the highest quality review articles dedicated to clinical research in the field. The journal is essential reading for all researchers and clinicians in clinical immunology.
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