Ling-na Kong1, Ping-ping Zuo, Liang Mu, Yan-yong Liu, Nan Yang. 1. Department of Pharmacology, School of Basic Medicine, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100005, China.
Abstract
AIM: To investigate the gene expression profile changes in the cerebral cortex of mice injected icv with amyloid beta-protein (Abeta) fragment 25-35 using cDNA microarray. METHODS: Balb/c mice were randomly divided into a control group and Abeta-treated group. The Morris water maze test was performed to detect the effect of Abeta-injection on the learning and memory of mice. Atlas Mouse 1.2 Expression Arrays containing 1176 genes were used to investigate the gene expression pattern of each group. RESULTS: The gene expression profiles showed that 19 genes including TBX1, NF-kB, AP-1/c-Jun, cadherin, integrin, erb-B2, and FGFR1 were up-regulated after 2 weeks of icv administration of Abeta; while 12 genes were down-regulated, including NGF, glucose phosphate isomerase 1, AT motif binding factor 1, Na+/K+-ATPase, and Akt. CONCLUSIONS: The results provide important leads for pursuing a more complete understanding of the molecular events of Abeta-injection into mice with Alzheimer disease.
AIM: To investigate the gene expression profile changes in the cerebral cortex of mice injected icv with amyloid beta-protein (Abeta) fragment 25-35 using cDNA microarray. METHODS: Balb/c mice were randomly divided into a control group and Abeta-treated group. The Morris water maze test was performed to detect the effect of Abeta-injection on the learning and memory of mice. Atlas Mouse 1.2 Expression Arrays containing 1176 genes were used to investigate the gene expression pattern of each group. RESULTS: The gene expression profiles showed that 19 genes including TBX1, NF-kB, AP-1/c-Jun, cadherin, integrin, erb-B2, and FGFR1 were up-regulated after 2 weeks of icv administration of Abeta; while 12 genes were down-regulated, including NGF, glucose phosphate isomerase 1, AT motif binding factor 1, Na+/K+-ATPase, and Akt. CONCLUSIONS: The results provide important leads for pursuing a more complete understanding of the molecular events of Abeta-injection into mice with Alzheimer disease.
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