Deciphering single cell metabolism by coherent Raman scattering microscopy.

Deciphering single cell metabolism by coherent Raman scattering microscopy.
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DOI:
10.1016/j.cbpa.2016.05.016
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发表时间:
2016-08
影响因子:
7.8
通讯作者:
Cheng JX
Cheng JX
中科院分区:
生物学2区
文献类型:
--
作者:
Yue S;Cheng JX

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代谢是高度动态的,在细胞水平上具有内在的异质性。虽然荧光显微镜通常用于单细胞分析,但体积庞大的荧光探针通常会干扰小生物分子(如代谢物)的生物活性。这种挑战可以通过称为相干拉曼散射显微镜的振动成像技术来克服,该技术能够以亚微米分辨率对生物分子进行化学选择性、高灵敏度和高速成像。这种能力使得能够在体外和体内定量评估单个活细胞中生物分子(例如脂质、蛋白质、核酸)的代谢活性。这些研究为细胞代谢在维持体内平衡和疾病发病机制中的作用提供了新的见解。
Metabolism is highly dynamic and intrinsically heterogeneous at the cellular level. Although fluorescence microscopy has been commonly used for single cell analysis, bulky fluorescent probes often perturb the biological activities of small biomolecules such as metabolites. Such challenge can be overcome by a vibrational imaging technique known as coherent Raman scattering microscopy, which is capable of chemically selective, highly sensitive, and high-speed imaging of biomolecules with submicron resolution. Such capability has enabled quantitative assessments of metabolic activities of biomolecules (e.g. lipids, proteins, nucleic acids) in single live cells in vitro and in vivo. These investigations provide new insights into the role of cell metabolism in maintenance of homeostasis and pathogenesis of diseases.
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