Imaging ToF-SIMS and synchrotron-based FT-IR microspectroscopic studies of prostate cancer cell lines

E. Gazi, N. P. Lockyer, J. C. Vickerman, P. Gardner, J. Dwyer, C. A. Hart, M. D. Brown, N. W. Clarke, J. Miyan

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Abstract

Imaging ToF-SIMS and synchrotron-based Fourier transform infrared (SR-FT-IR) microspectroscopy have been used to obtain chemical information from individual cells derived from human prostate cancer (CaP). ToF-SIMS imaging of molecular signals characteristic of membrane bound phospholipids are used to elucidate different fracture planes within individual freeze-fractured CaP cells. The localisation of Cu within the cytoplasm of cancer cells is consistent with increased metastatic potential. Line scans across CaP cells using SR-FT-IR microspectroscopy provide complimentary information on the localisation (±1μm) of lipid and protein domains. This combined analytical approach offers a novel means of characterising individual CaP cells and investigating the biochemical basis of disease progression and metastases. © 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)452-456
Number of pages4
JournalApplied Surface Science
Volume231-232
DOIs
Publication statusPublished - 15 Jun 2004

Keywords

  • Cell lines
  • FT-IR microspectroscopy
  • Imaging
  • Prostate cancer
  • ToF-SIMS

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