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Proceedings Article

FT-infrared spectroscopic studies of lymphoma, lymphoid, and myeloid leukemia cell lines

[+] Author Affiliations
Jaspreet Babrah, Nicholas Stone

Gloucestershire Royal Hospital (United Kingdom) and Cranfield Univ. (United Kingdom)

Keith P. McCarthy, Richard Lush, Adam D. Rye

Gloucestershire Royal Hospital (United Kingdom)

Conrad Bessant

Cranfield Univ. (United Kingdom)

Proc. SPIE 6628, Diagnostic Optical Spectroscopy in Biomedicine IV, 66280R (July 06, 2007); doi:10.1117/12.728220
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From Conference Volume 6628

  • Diagnostic Optical Spectroscopy in Biomedicine IV
  • Dietrich Schweitzer; Maryann Fitzmaurice
  • Munich, Germany | June 17, 2007

abstract

This paper presents a novel method to characterise spectral differences that distinguish leukaemia and lymphoma cell lines. This is based on objective spectral measurements of major cellular biochemical constituents and multivariate spectral processing. Fourier transform infrared (FT-IR) maps of the lymphoma, lymphoid and myeloid leukaemia cell samples were obtained using a Perkin-Elmer Spotlight 300 FT-IR imaging spectrometer. Multivariate statistical techniques incorporating principal component analysis (PCA) and linear discriminant analysis (LDA) were used to construct a mathematical model. This model was validated for reproducibility. Multivariate statistical analysis of FTIR spectra collected for each cell sample permit a combination of unsupervised and supervised methods of distinguishing cell line types. This resulted in the clustering of cell line populations, indicating distinct bio-molecular differences. Major spectral differences were observed in the 4000 to 800 cm-1 spectral region. Bands in the averaged spectra for the cell line were assigned to the major biochemical constituents including; proteins, fatty acids, carbohydrates and nucleic acids. The combination of FT-IR spectroscopy and multivariate statistical analysis provides an important insight into the fundamental spectral differences between the cell lines, which differ according to the cellular biochemical composition. These spectral differences can serve as potential biomarkers for the differentiation of leukaemia and lymphoma cells. Consequently these differences could be used as the basis for developing a spectral method for the detection and identification of haematological malignancies.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jaspreet Babrah ; Keith P. McCarthy ; Richard Lush ; Adam D. Rye ; Conrad Bessant, et al.
"FT-infrared spectroscopic studies of lymphoma, lymphoid, and myeloid leukemia cell lines", Proc. SPIE 6628, Diagnostic Optical Spectroscopy in Biomedicine IV, 66280R (July 06, 2007); doi:10.1117/12.728220; http://dx.doi.org/10.1117/12.728220


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