Radiation therapy is a standard treatment for head and neck ***,patients often exhibit cognitive impairments following radiation *** studies have revealed that hippocampal dysfunction,specifically abnormal hippocampal...
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Radiation therapy is a standard treatment for head and neck ***,patients often exhibit cognitive impairments following radiation *** studies have revealed that hippocampal dysfunction,specifically abnormal hippocampal neurogenesis or neuroinflammation,plays a key role in radiation-induced cognitive ***,the long-term effects of radiation with respect to the electrophysiological adaptation of hippocampal neurons remain poorly *** found that mice exhibited cognitive impairment 3 months after undergoing 10 minutes of cranial irradiation at a dose rate of 3 Gy/***,we observed a remarkable reduction in spike firing and excitatory synaptic input,as well as greatly enhanced inhibitory inputs,in hippocampal CA1 pyramidal *** to the electrophysiological adaptation,we found reduced expression of synaptic plasticity marker VGLUT1 and increased expression of ***,in irradiated mice,long-term potentiation in the hippocampus was weakened and GluR1 expression was *** findings suggest that radiation can impair intrinsic excitability and synaptic plasticity in hippocampal CA1 pyramidal neurons.
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