Cellular heterogeneity: do differences make a difference?

Cellular heterogeneity: do differences make a difference?
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DOI:
10.1016/j.cell.2010.04.033
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发表时间:
2010-05-14
期刊:
影响因子:
64.5
通讯作者:
Wu LF
Wu LF
中科院分区:
生物学1区
文献类型:
--
作者:
Altschuler SJ;Wu LF

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生物学的一个核心挑战是了解单个细胞如何处理信息并对扰动做出反应。我们目前的大部分知识都是基于集合测量。然而,在任何细胞群体中,细胞与细胞之间的差异总是在某种程度上存在,并且群体的总体行为可能不代表任何单个细胞的行为。在这里,我们讨论的例子时,异质性不能被忽视,并描述分析和解释细胞异质性的实用策略,而合奏测量可能过于简单化,捕捉细胞之间的所有变化可能是不必要的。为了建立单个细胞行为的精确模型,无论是以卡通、文字还是图解的形式,识别哪些细胞间的差异是重要的,哪些可以忽略是至关重要的。
A central challenge of biology is to understand how individual cells process information and respond to perturbations. Much of our current knowledge is based on ensemble measurements. However, cell-to-cell differences are always present to some degree in any population of cells, and the ensemble behaviors of a population may not represent the behaviors of any individual cell. Here, we discuss examples of when heterogeneity cannot be ignored, and describe practical strategies for analyzing and interpreting cellular heterogeneity; while ensemble measurements may be too simplistic, capturing all variation among cells may be unnecessary. To develop accurate models of individual cell behavior–be they in the form of cartoons, words, or mathematics–it is essential to identify which cell-cell differences are important and which can be ignored.
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