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Epigenetic Suppression Of Hippocampal Calbindin-D28k By Δfosb Drives Seizure-Related Cognitive Deficits., Jason C. You, Kavitha Muralidharan, Jin W. Park, Iraklis Petrof, Mark S. Pyfer, Brian F. Corbett, John J. Lafrancois, Yi Zheng, Xiaohong Zhang, Carrie A. Mohila, Daniel Yoshor, Robert A. Rissman, Eric J. Nestler, Helen E. Scharfman, Jeannie Chin
Epigenetic Suppression Of Hippocampal Calbindin-D28k By Δfosb Drives Seizure-Related Cognitive Deficits., Jason C. You, Kavitha Muralidharan, Jin W. Park, Iraklis Petrof, Mark S. Pyfer, Brian F. Corbett, John J. Lafrancois, Yi Zheng, Xiaohong Zhang, Carrie A. Mohila, Daniel Yoshor, Robert A. Rissman, Eric J. Nestler, Helen E. Scharfman, Jeannie Chin
Department of Neuroscience Faculty Papers
The calcium-binding protein calbindin-D28k is critical for hippocampal function and cognition, but its expression is markedly decreased in various neurological disorders associated with epileptiform activity and seizures. In Alzheimer's disease (AD) and epilepsy, both of which are accompanied by recurrent seizures, the severity of cognitive deficits reflects the degree of calbindin reduction in the hippocampal dentate gyrus (DG). However, despite the importance of calbindin in both neuronal physiology and pathology, the regulatory mechanisms that control its expression in the hippocampus are poorly understood. Here we report an epigenetic mechanism through which seizures chronically suppress hippocampal calbindin expression and impair cognition. …