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Effects of acidic oligose on differentially expressed genes in the mice model of Alzheimer's disease by microarray / 药学学报
Acta Pharmaceutica Sinica ; (12): 1105-1109, 2005.
Artigo em Chinês | WPRIM | ID: wpr-253522
ABSTRACT
<p><b>AIM</b>To investigate the molecular mechanism of protective effect of acidic oligose 971 on Alzheimer's disease mouse model by using microarray.</p><p><b>METHODS</b>Balb/c mice were randomly divided into control group, beta-AP(25-35) i.c.v. injected group and 971-treated group. The learning-memory ability of mice was tested by Morris water maze experiment. Total RNA of the cerebral cortex was extracted from the mice of each group. cDNA microarrays containing 1176 genes were used to investigate the gene expression pattern of each group. Expressions of 5 genes were randomly selected for further confirmation by RT-PCR.</p><p><b>RESULTS</b>Icv injection of beta-AP(25-35) caused significant impairments in spatial and working memory performances of mice in Morris water maze and which were relieved by the treatment of 971. Up- and down- regulated genes were 19 and 12 in beta-AP(25-35)-injected group vs control group, respectively. Up- and down- regulated genes were 13 and 4, respectively, in 971-treated group vs beta-AP(25-35)-injected group. RT-PCR results indicated that 5 genes showed identical results to that of the microarray.</p><p><b>CONCLUSION</b>The protective effect of 971 on learning and memory ability of beta-AP(25-35)-treated mouse may be related to the expression changes of genes involved in cell cycle, DNA repair, nerve growth, synaptic plasticity and immune response, etc.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Oligossacarídeos / Fragmentos de Peptídeos / Farmacologia / Distribuição Aleatória / Química / Peptídeos beta-Amiloides / Fármacos Neuroprotetores / Aprendizagem em Labirinto / Análise de Sequência com Séries de Oligonucleotídeos / Perfilação da Expressão Gênica Limite: Animais Idioma: Chinês Revista: Acta Pharmaceutica Sinica Ano de publicação: 2005 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Oligossacarídeos / Fragmentos de Peptídeos / Farmacologia / Distribuição Aleatória / Química / Peptídeos beta-Amiloides / Fármacos Neuroprotetores / Aprendizagem em Labirinto / Análise de Sequência com Séries de Oligonucleotídeos / Perfilação da Expressão Gênica Limite: Animais Idioma: Chinês Revista: Acta Pharmaceutica Sinica Ano de publicação: 2005 Tipo de documento: Artigo