Macromolecular Profiling of Organelles in Normal Diploid and Cancer Cells.
Macromolecular Profiling of Organelles in Normal Diploid and Cancer Cells.
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DOI:
10.1021/acs.analchem.7b02822
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发表时间:
2017-10-17
影响因子:
7.4
通讯作者:
Prasad PN
中科院分区:
文献类型:
--
作者:
Levchenko SM;Kuzmin AN;Pliss A;Qu J;Prasad PN
To advance an understanding of cellular regulation and function it is crucial to identify molecular contents in cellular organelles, which accommodate specific biochemical processes. Towards achievement of this goal, we applied micro-Raman-Biomolecular Component Analysis assay for molecular profiling of major organelles in live cells. We used this assay for comparative analysis of proteins 3D conformation and quantification of proteins, RNA and lipids concentrations in nucleoli, endoplasmic reticulum and mitochondria of WI-38 diploid lung fibroblasts and HeLa cancer cells. Obtained data show substantial differences in the concentrations and conformations of proteins in the studied organelles. Moreover, differences in the intra-organellar concentrations of RNA and lipids between these cell lines were found. We report the biological significance of obtained macromolecular profiles and advocate for micro-Raman BCA assay as a valuable proteomics tool.
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