Hippocampus

Changes in hippocampal ultrastructure and vimentin expression in rhesus monkeys following selective deep hypothermia and blood occlusion

B. C. Li, Fu, X., Niu, X. Q., Fan, Y. D., Xu, W., Zhao, X. X., and Pu, J., Changes in hippocampal ultrastructure and vimentin expression in rhesus monkeys following selective deep hypothermia and blood occlusion, vol. 14, pp. 651-658, 2015.

Previous studies have shown that selective cerebral profound hypothermia combined with antegrade cerebral perfusion can improve resistance to cerebral hypoxia-ischemia in monkeys. The aim of this study was to observe the effect of selective cerebral profound hypothermia on the ultrastructure and vimentin expression in monkey hippocampi after severe cerebral ischemia. Eight healthy adult rhesus monkeys were randomly divided into two groups: profound hypothermia (N = 5) and normothermia (N = 3).

Potential hippocampal genes and pathways involved in Alzheimer’s disease: a bioinformatic analysis

L. Zhang, Guo, X. Q., Chu, J. F., Zhang, X., Yan, Z. R., and Li, Y. Z., Potential hippocampal genes and pathways involved in Alzheimer’s disease: a bioinformatic analysis, vol. 14, pp. 7218-7232, 2015.

Alzheimer’s disease (AD) is a neurodegenerative disor­der and the most common cause of dementia in elderly people. Nu­merous studies have focused on the dysregulated genes in AD, but the pathogenesis is still unknown. In this study, we explored critical hippocampal genes and pathways that might potentially be involved in the pathogenesis of AD.

Expression of neurotrophin-4/5 in Streptococcus pneumoniae meningitis

H. Zhang, Qian, H. Y., and Li, L., Expression of neurotrophin-4/5 in Streptococcus pneumoniae meningitis, vol. 13, pp. 2994-3001, 2014.

This study aims to investigate the expression of neurotrophin-4/5 (NT-4/5) in the pallium and hippocampus in juvenile rats with intraventricular injection of Streptococcus pneumoniae. We used 40 SPF SD rats (3 weeks old, regardless of gender) in this study. We drew 50 μL cerebrospinal fluid, and then, we injected 50 μL normal saline and S. pneumoniae suspension (108 CFU/mL) in the brain pool (normal control group and infection group, respectively). After 24 h, the cerebrospinal fluid was collected for bacterial culture and white blood cell count.

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