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Using SCOPE to Identify Potential Regulatory Motifs in Coregulated Genes
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通过表达特征概要汇编的功能发现
T R Hughes1, M J Marton, A R Jones
1Rosetta Inpharmatics, Inc., Kirkland, Washington 98034, USA.
Cell
|August 10, 2000
概括
这项研究引入了一种新的检测方法,可以同时监测数百个细胞功能. 这种方法有助于通过分析基因表达特征来理解基因功能和药物效应.
科学领域:
- 系统生物学 系统生物学
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 了解细胞对干扰的反应在生物学中至关重要.
- 现有的方法往往没有能力同时监测多个细胞功能.
研究的目的:
- 开发一种单一的测试方法,同时监测数百个细胞功能.
- 创建各种扰动的表达形状的参考汇编.
- 为了使未经表征的基因和药理学剂的表征.
主要方法:
- 在*Saccharomyces cerevisiae* (酵母菌) 中对300种突变和化学处理进行基因表达特征的参考汇编的构建.
- 使用表达特征的模式匹配分析来识别受影响的细胞通路.
- 对已识别的基因功能进行实验验证.
主要成果:
- 通过模式匹配,成功地确定了受干扰影响的细胞通路,即使是微妙的干扰.
- 鉴定了八个未经鉴定的基因,赋予它们在固醇代谢,细胞壁功能,线粒体呼吸或蛋白质合成中的作用.
- 确定了双克隆因药物的新目标,证明了该汇编在药理学研究中的实用性.
结论:
- 一个单一的测试与表达型号的汇编相结合,为剖析细胞功能提供了一个强大的工具.
- 这种方法有效地表征未表征的基因,并有助于理解药物作用机制.
- 开发的方法为细胞扰动的系统级分析提供了一个可扩展的解决方案.
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