A behavioral role for dendritic integration: HCN1 channels constrain spatial memory and plasticity at inputs to distal dendrites of CA1 pyramidal neurons. Export

@article{citeulike:267334, abstract = {The importance of long-term synaptic plasticity as a cellular substrate for learning and memory is well established. By contrast, little is known about how learning and memory are regulated by voltage-gated ion channels that integrate synaptic information. We investigated this question using mice with general or forebrain-restricted knockout of the HCN1 gene, which we find encodes a major component of the hyperpolarization-activated inward current (Ih) and is an important determinant of dendritic integration in hippocampal CA1 pyramidal cells. Deletion of HCN1 from forebrain neurons enhances hippocampal-dependent learning and memory, augments the power of theta oscillations, and enhances long-term potentiation (LTP) at the direct perforant path input to the distal dendrites of CA1 pyramidal neurons, but has little effect on LTP at the more proximal Schaffer collateral inputs. We suggest that HCN1 channels constrain learning and memory by regulating dendritic integration of distal synaptic inputs to pyramidal cells.}, address = {Center for Neurobiology and Behavior, Columbia University, New York, NY 10032, USA.}, author = {Nolan, M. F. and Malleret, G. and Dudman, J. T. and Buhl, D. L. and Santoro, B. and Gibbs, E. and Vronskaya, S. and Buzs\'{a}ki, G. and Siegelbaum, S. A. and Kandel, E. R. and Morozov, A.}, citeulike-article-id = {267334}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.cell.2004.11.020}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/15550252}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=15550252}, doi = {10.1016/j.cell.2004.11.020}, issn = {0092-8674}, journal = {Cell}, keywords = {h-channel, hcn}, month = {November}, number = {5}, pages = {719--732}, posted-at = {2009-02-16 09:20:40}, priority = {2}, title = {A behavioral role for dendritic integration: HCN1 channels constrain spatial memory and plasticity at inputs to distal dendrites of CA1 pyramidal neurons.}, url = {http://dx.doi.org/10.1016/j.cell.2004.11.020}, volume = {119}, year = {2004} }

TY - JOUR ID - citeulike:267334 L3 - citeulike-article-id:267334 N2 - The importance of long-term synaptic plasticity as a cellular substrate for learning and memory is well established. By contrast, little is known about how learning and memory are regulated by voltage-gated ion channels that integrate synaptic information. We investigated this question using mice with general or forebrain-restricted knockout of the HCN1 gene, which we find encodes a major component of the hyperpolarization-activated inward current (Ih) and is an important determinant of dendritic integration in hippocampal CA1 pyramidal cells. Deletion of HCN1 from forebrain neurons enhances hippocampal-dependent learning and memory, augments the power of theta oscillations, and enhances long-term potentiation (LTP) at the direct perforant path input to the distal dendrites of CA1 pyramidal neurons, but has little effect on LTP at the more proximal Schaffer collateral inputs. We suggest that HCN1 channels constrain learning and memory by regulating dendritic integration of distal synaptic inputs to pyramidal cells. IS - 5 JF - Cell SN - 0092-8674 AD - Center for Neurobiology and Behavior, Columbia University, New York, NY 10032, USA. EP - 732 TI - A behavioral role for dendritic integration: HCN1 channels constrain spatial memory and plasticity at inputs to distal dendrites of CA1 pyramidal neurons. VL - 119 SP - 719 KW - h-channel KW - hcn AU - Nolan, MF AU - Malleret, G AU - Dudman, JT AU - Buhl, DL AU - Santoro, B AU - Gibbs, E AU - Vronskaya, S AU - Buzsáki, G AU - Siegelbaum, SA AU - Kandel, ER AU - Morozov, A PY - 2004/11/24/ UR - http://dx.doi.org/10.1016/j.cell.2004.11.020 ER -