Design and Application of Sensors for Chemical Cytometry.

Design and Application of Sensors for Chemical Cytometry.
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化学细胞术传感器的设计和应用。

DOI:
10.1021/acschembio.7b01009
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发表时间:
2018-07-20
影响因子:
4
通讯作者:
Lawrence DS
Lawrence DS
中科院分区:
生物学2区
文献类型:
--
作者:
Vickerman BM;Anttila MM;Petersen BV;Allbritton NL;Lawrence DS

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大量细胞群体对刺激的反应,无论是生长因子还是细胞毒性剂,都忽略了细胞间的变异性,这种变异性在人类生物学中可以作为朋友或敌人。密切相关的细胞之间的生物化学变异为免疫系统的适应性提供了基础,但也是肿瘤对化疗产生耐药性的根本原因。因此,在单细胞水平上探测关键生化变量的存在的能力现在被认为具有重大的生物学和生物医学影响。化学细胞仪已经成为一种超灵敏的单细胞平台,具有测量一系列细胞成分的灵活性,从代谢物浓度到酶活性。我们简要回顾了各种化学细胞术的策略,包括报告设计,探针和代谢物分离,和检测仪器的最新进展。我们还描述了改善细胞内递送、生化特异性、代谢稳定性和探针检测灵敏度的策略。这些策略的小分子,脂质,蛋白质和其他分析物的最新应用进行了讨论。最后,我们评估了目前的范围和化学细胞术的局限性,并讨论了未来发展的领域,以满足单细胞研究的需求。
The bulk cell population response to a stimulus, be it a growth factor or a cytotoxic agent, neglects the cell-to-cell variability that can serve as a friend or as a foe in human biology. Biochemical variations amongst closely related cells furnish the basis for the adaptability of the immune system, but also acts as the root cause of resistance to chemotherapy by tumors. Consequently, the ability to probe for the presence of key biochemical variables at the single-cell level is now recognized to be of significant biological and biomedical impact. Chemical cytometry has emerged as an ultrasensitive single-cell platform with the flexibility to measure an array of cellular components, ranging from metabolite concentrations to enzyme activities. We briefly review the various chemical cytometry strategies including recent advances in reporter design, probe and metabolite separation, and detection instrumentation. We also describe strategies to improve intracellular delivery, biochemical specificity, metabolic stability, and detection sensitivity of probes. Recent applications of these strategies to small molecules, lipids, proteins, and other analytes are discussed. Finally, we assess the current scope and limitations of chemical cytometry and discuss areas for future development to meet the needs of single-cell research.
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