TY - JOUR
T1 - Combined gene overexpression of neuropeptide Y and its receptor Y5 in the hippocampus suppresses seizures.
AU - Gøtzsche, Casper René
AU - Nikitidou, Litsa
AU - Sørensen, Andreas Toft
AU - Olesen, Mikkel V
AU - Sørensen, Gunnar
AU - Christiansen, Søren Hofman Oliveira
AU - Ängehagen, Mikael
AU - Woldbye, David Paul Drucker
AU - Kokaia, Merab
PY - 2012/1
Y1 - 2012/1
N2 - We recently demonstrated that recombinant adeno-associated viral vector-induced hippocampal overexpression of neuropeptide Y receptor, Y2, exerts a seizure-suppressant effect in kindling and kainate-induced models of epilepsy in rats. Interestingly, additional overexpression of neuropeptide Y in the hippocampus strengthened the seizure-suppressant effect of transgene Y2 receptors. Here we show for the first time that another neuropeptide Y receptor, Y5, can also be overexpressed in the hippocampus. However, unlike Y2 receptor overexpression, transgene Y5 receptors in the hippocampus had no effect on kainate-induced motor seizures in rats. However, combined overexpression of Y5 receptors and neuropeptide Y exerted prominent suppression of seizures. This seizure-suppressant effect of combination gene therapy with Y5 receptors and neuropeptide Y was significantly stronger as compared to neuropeptide Y overexpression alone. These results suggest that overexpression of Y5 receptors in combination with neuropeptide Y could be an alternative approach for more effective suppression of hippocampal seizures.
AB - We recently demonstrated that recombinant adeno-associated viral vector-induced hippocampal overexpression of neuropeptide Y receptor, Y2, exerts a seizure-suppressant effect in kindling and kainate-induced models of epilepsy in rats. Interestingly, additional overexpression of neuropeptide Y in the hippocampus strengthened the seizure-suppressant effect of transgene Y2 receptors. Here we show for the first time that another neuropeptide Y receptor, Y5, can also be overexpressed in the hippocampus. However, unlike Y2 receptor overexpression, transgene Y5 receptors in the hippocampus had no effect on kainate-induced motor seizures in rats. However, combined overexpression of Y5 receptors and neuropeptide Y exerted prominent suppression of seizures. This seizure-suppressant effect of combination gene therapy with Y5 receptors and neuropeptide Y was significantly stronger as compared to neuropeptide Y overexpression alone. These results suggest that overexpression of Y5 receptors in combination with neuropeptide Y could be an alternative approach for more effective suppression of hippocampal seizures.
U2 - 10.1016/j.nbd.2011.08.012
DO - 10.1016/j.nbd.2011.08.012
M3 - Journal article
C2 - 21884793
SN - 0969-9961
VL - 45
SP - 288
EP - 296
JO - Neurobiology of Disease
JF - Neurobiology of Disease
ER -