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Full-Text Articles in Neuroscience and Neurobiology
Novel Calcium-Related Targets Of Insulin In Hippocampal Neurons, Shaniya Maimaiti, Hilaree N. Frazier, Katie L. Anderson, Adam O. Ghoweri, Lawrence D. Brewer, Nada M. Porter, Olivier Thibault
Novel Calcium-Related Targets Of Insulin In Hippocampal Neurons, Shaniya Maimaiti, Hilaree N. Frazier, Katie L. Anderson, Adam O. Ghoweri, Lawrence D. Brewer, Nada M. Porter, Olivier Thibault
Pharmacology and Nutritional Sciences Faculty Publications
Both insulin signaling disruption and Ca2+ dysregulation are closely related to memory loss during aging and increase the vulnerability to Alzheimer's disease (AD). In hippocampal neurons, aging-related changes in calcium regulatory pathways have been shown to lead to higher intracellular calcium levels and an increase in the Ca2+-dependent afterhyperpolarization (AHP), which is associated with cognitive decline. Recent studies suggest that insulin reduces the Ca2+-dependent AHP. Given the sensitivity of neurons to insulin and evidence that brain insulin signaling is reduced with age, insulin-mediated alterations in calcium homeostasis may underlie the beneficial actions of insulin in …