In situ cell cycle phase determination using Raman spectroscopy

Yusuke Oshima; Tatsuji Takenaka; Hidetoshi Sato; Chie Furihata

doi:10.1117/12.840593

11 February 2010 In situ cell cycle phase determination using Raman spectroscopy

Yusuke Oshima, Tatsuji Takenaka, Hidetoshi Sato, Chie Furihata

Proceedings Volume 7560, Biomedical Vibrational Spectroscopy IV: Advances in Research and Industry; 756008 (2010) https://doi.org/10.1117/12.840593
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

Raman spectroscopy is a powerful tool for analysis of the chemical composition in living tissue and cells without destructive processes such as fixation, immunostaining, and fluorescence labeling. Raman microspectroscopic technique enables us to obtain a high quality spectrum from a single living cell. We demonstrated in situ cell cycle analysis with Raman microspectroscopy with the excitation wavelength of 532 nm. Cell cycle phases, G0/G1 and G2/M were able to be identified in the present study. The result of in situ Raman analysis was evaluated with flow cytometry analysis. Although the Raman spectra of living cells showed complex patterns during cell cycle, several Raman bands could be useful as markers for the cell cycle identification. A single cell analysis using Raman microspectroscopy predicted a possibility to observe directly molecular dynamics intracellular molecules of proteins, lipids and nucleic acids. Our current study focused on cytoplasm region and resonant Raman signals of cytochrome c in mitochondrion, and discussed how the Raman signals from cellular components contribute to the Raman spectral changes in cell cycle change in the human living cell (lung cancer cell).

Citation Download Citation

Yusuke Oshima, Tatsuji Takenaka, Hidetoshi Sato, and Chie Furihata "In situ cell cycle phase determination using Raman spectroscopy", Proc. SPIE 7560, Biomedical Vibrational Spectroscopy IV: Advances in Research and Industry, 756008 (11 February 2010); https://doi.org/10.1117/12.840593

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