关于过度使用变化系数作为蛋白质组学中量化质量的指标
Mark V Ivanov1, Leyla A Garibova1, Valeriy I Postoenko1
1V. L. Talrose Institute for Energy Problems of Chemical Physics, N. N. Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences, Moscow, Russia.
Proteomics
|July 27, 2023
概括
变化系数 (CV) 不是评估定量蛋白质组学方法的可靠指标. 错误的数据处理可能会错误地产生低简历,误导性绩效评估.
科学领域:
- 蛋白质组学是指蛋白质组学.
- 定量分析是一种量化分析.
- 生物统计学 生物统计学
背景情况:
- 变化系数 (CV) 在定量蛋白质组学中被广泛采用.
- CV经常用于评估量化方法和软件的性能.
- 过度依赖CV可能会导致蛋白质组学研究中得出不准确的结论.
研究的目的:
- 在定量蛋白质组学中批判性地评估变化系数 (CV) 的实用性.
- 为了证明由于过度依赖CV而导致错误结论的可能性.
- 突出CV作为量化方法的唯一性能指标的局限性.
主要方法:
- 利用了包括人类,酵母和大肠杆菌样本在内的基本真相数据集.
- 分析数据处理方法,以评估它们对CV值的影响.
- 通过不同的数据处理管道生成的CV结果进行比较.
主要成果:
- 证明某些错误的数据处理方法可以产生低CV值.
- 展示了低CV不反映准确量化性能的实例.
- 突出了低CV和真正的方法性能之间的断开.
结论:
- 在定量蛋白质组学中过度依赖变化系数 (CV) 是有问题的.
- 低CV值并不总是表明量化方法或软件的性能优越.
- 需要对CV在评估蛋白质组学数据处理中的作用进行批判性重新评估.
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