首页> 外文会议>2013 IEEE International Workshop on Genomic Signal Processing and Statistics >Deciphering chemically-induced reversible neurotoxicity by reconstructing perturbed pathways from time series microarray gene expression data
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Deciphering chemically-induced reversible neurotoxicity by reconstructing perturbed pathways from time series microarray gene expression data

机译:通过从时间序列微阵列基因表达数据中重建扰动的途径来解密化学诱导的可逆神经毒性

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The etiology of chemically-induced neurotoxicity like seizures is poorly understood. Using reversible neurotoxicity induced by two neurotoxicants as example, we demonstrate that a bioinformatics-guided reverse engineering approach can be applied to analyze time series microarray gene expression data and uncover the underlying molecular mechanism. Our results reinforce previous findings that cholinergic and GABAergic synapse pathways are the target of carbaryl and RDX, respectively. We also conclude that perturbations to these pathways by sublethal concentrations of RDX and carbaryl were temporary, and earthworms were capable of fully recovering at the end of the 7-day recovery phase. In addition, our study indicates that many pathways other than those related to synaptic and neuronal activities were altered during the 6-day exposure phase.
机译:化学诱导的神经毒性如癫痫发作的病因学知之甚少。以两种神经毒剂引起的可逆性神经毒性为例,我们证明了生物信息学指导的逆向工程方法可用于分析时间序列微阵列基因表达数据并揭示潜在的分子机制。我们的结果加强了以前的发现,即胆碱能和GABA能突触途径分别是西维因和RDX的目标。我们还得出结论,亚致死浓度的RDX和西维因对这些途径的干扰是暂时的,and在7天的恢复阶段结束时能够完全恢复。此外,我们的研究表明,在6天的暴露阶段中,除了与突触和神经元活动相关的途径以外,还有许多途径被改变。

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