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首页> 外文期刊>Genomics >Gene expression profiles of apoptotic neurons.
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Gene expression profiles of apoptotic neurons.

机译:凋亡神经元的基因表达谱。

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The multigenic program underlying neuronal apoptosis is mostly unknown. To study the program, we used genome-scale screening by oligonucleotide microarrays during serum and potassium deprivation-induced apoptosis of cerebellar granule neurons. From the 8740 genes interrogated by the arrays, 423 genes were found to be regulated at both the transcriptional and the posttranscriptional level and segregated into distinct clusters. Semantic clustering based on gene ontologies showed coordinated expression of genes with common biological functions and metabolic pathways. Among the genes implicated in apoptotic cerebellar granule neurons, 70 were in common with those differentially expressed in cortical neurons exposed to amyloid beta-protein, indicating the existence of common mechanisms responsible for neuronal cell death. Our results offer a genomic view of the changes that accompany neuronal apoptosis and yield new insights into the underlying molecular basis.
机译:神经元凋亡的多基因程序大多是未知的。为了研究该程序,我们在血清和钾剥夺引起的小脑颗粒神经元凋亡过程中,通过寡核苷酸微阵列进行基因组规模筛选。从通过阵列查询的8740个基因中,发现423个基因在转录和转录后水平均受调控,并分离为不同的簇。基于基因本体的语义聚类显示具有共同生物学功能和代谢途径的基因的协同表达。在与凋亡的小脑颗粒神经元有关的基因中,有70个与暴露于淀粉样β蛋白的皮质神经元中差异表达的基因共有,表明存在导致神经元细胞死亡的常见机制。我们的结果提供了伴随神经元凋亡的变化的基因组学观点,并对潜在的分子基础产生了新的见解。

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