Abstract:
:The aim of this study was to investigate the effects of congenital human cytomegalovirus infection on the expression levels of N-methyl-D-aspartate receptors (NRs) and Ca/calmodulin-dependent protein kinase II (CaMKII) in the hippocampal neurons of neonatal Sprague-Dawley (SD) rats. Pregnant SD rats were divided into an experimental group and a control group (n=10 in each group). Spatial learning and memory of the offspring of SD rats were evaluated using the Morris water-maze test. Pathological studies of hippocampus sections were carried out. The concentration of [Ca] was measured using a dual-wavelength spectrophotometer method. The expression levels of NRs were detected by an immunohistochemical study. Western blot was performed to detect the expression level of CaMKII. In the Morris water-maze test, the rats in the experimental group showed significantly increased escape latency and distance traveled than the control group. Damaged and structural disorders of the dentate granule in the hippocampus were found in the experimental rats. Immunohistochemistry results showed that the expression levels of NR subunits in the hippocampus of the experimental group were significantly decreased. The concentration of [Ca] in the experimental group was significantly increased. In contrast, the level of CaMKII in the experimental group was significantly decreased. The expressions of the NR subunit and CaMKII were decreased in rat hippocampus by human cytomegalovirus congenital infection, which may be associated with the mechanism underlying the impairment of learning and memory function.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Wu,Yang L,Bu X,Tang J,Fan Xdoi
10.1097/WNR.0000000000000750subject
Has Abstractpub_date
2017-03-22 00:00:00pages
253-258issue
5eissn
0959-4965issn
1473-558Xjournal_volume
28pub_type
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