Potential role of atomic force microscopy in systems biology.

Potential role of atomic force microscopy in systems biology.
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DOI:
10.1002/wsbm.154
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发表时间:
2011-11
影响因子:
7.9
通讯作者:
Lal, Ratnesh
Lal, Ratnesh
中科院分区:
医学3区
文献类型:
--
作者:
Ramachandran, Srinivasan;Arce, Fernando Teran;Lal, Ratnesh

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系统生物学是一种定量的方法,通过系统的扰动和对其所有组成部分的综合分析,在全球水平上理解生物系统。同时获取与系统组件相关的信息数据集(例如,基因组,蛋白质组)对于实现该方法至关重要。这种方法在测量基因表达水平和计算系统中所有蛋白质方面存在局限性。基因组研究的成功主要依赖于PCR的扩增,但PCR在扩增样本方面非常不均匀,在稀缺样本中无效,在低拷贝数转录本中不可靠。另一方面,蛋白质扩增技术的缺乏严重限制了它们的鉴定,只有一小部分的高浓度蛋白质。原子力显微镜(AFM),特别是AFM悬臂传感器和AFM力谱,可以直接解决这些问题。在本文中,我们回顾并评估了它们在系统生物学中的潜在作用。
Systems biology is a quantitative approach for understanding a biological system at its global level through systematic perturbation and integrated analysis of all its components. Simultaneous acquisition of information datasets pertaining to the system components (e.g., genome, proteome) is essential to implement this approach. There are limitations to such an approach in measuring gene expression levels and accounting for all proteins in the system. The success of genomic studies is critically dependent on PCR for its amplification, but PCR is very uneven in amplifying the samples, ineffective in scarce samples and unreliable in low copy number transcripts. On the other hand, lack of amplifying techniques for proteins critically limits their identification to only a small fraction of high concentration proteins. Atomic force microscopy (AFM), AFM cantilever sensors and AFM force spectroscopy in particular, could address these issues directly. In this article, we reviewed and assessed their potential role in systems biology.
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