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- W2372092020 abstract "Objective To explore the neurobehavioral change of mice from dams with human cytomegalovirus(HCMV) infection during first trimester. Methods Eight-week-old fertilized female Kunming mice were randomly divided into infected group and control group.On the 4th gestation day mice in infected group were injected intraperitoneally with 0.5 mL HCMV (1×10-6 50 percent of tissue cultured infective dose),and those in control group were injected intraperitoneally with 0.5 mL supernatant of cultured human fibroblast.Caesarean birth operation was performed on 3 randomly chosen fertilized mice before delivery. Fetuses were observed and their brain tissue were collected and analyzed under light and electron microscope separately.PCR test was used to determine HCMV pp65 antigen of offspring′s sera.Neurobeha-vioral test such as Morris Water Maze and Lashley Ⅲ Water Maze were performed on offspring mice of 6-7 weeks old.Results Compared with control group,the pathological changes such as degeneration,necrosis,and nucleus disappearance of nerve cells and giant cells were found in offspring′s brain of mice in infected group under light microscope. Under electron microscope,swelling of nerve cells and spherical virus particle in the cytoplasm were found in the brain of mice in infected group. HCMV pp65 antigen was detected in 7 offspring mouse′s se-rum in infected group.Offspring′s swimming time and speed were(30.21±12.74) s and(19.10±1.90) cm/s in infected group,while those in control group were (11.87±3.62) s and (23.21±1.02) cm/s by Morris Water Maze test,there were significantly differences between 2 groups (Pa0.05).Offspring′s average swimming time in infected group[(45.88±18.24) s]was also longer than that in control group[(25.56±9.82) s] by Lashley Ⅲ Water Maze test (P0.05). Compared with control group,the errors in infected group were significantly increased by Lashley Ⅲ Water Maze test (P0.05).Conclusion Congenital HCMV infection in mouse may cause a variety of disabilities,such as learning disabilities and motion disabilities." @default.
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- W2372092020 date "2008-01-01" @default.
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- W2372092020 title "Influence of Human Cytomegalovirus Infection during First Trimester on Neurobehavior of Mice" @default.
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