Issue 14, 2013
From the journal:

Analyst

Change in the microenvironment of breast cancer studied by FTIR imaging†

S. Kumar,a   C. Desmedt,b   D. Larsimont,c   C. Sotirioub  and  E. Goormaghtigh*a  

* Corresponding authors

a Laboratory for the Structure and Function of Biological Membranes, Center for Structural Biology and Bioinformatics, Université Libre de Bruxelles, Campus Plaine CP 206/2 Bâtiment BC, Blvd. du Triomphe, B-1050 Bruxelles, Belgium
E-mail: egoor@ulb.ac.be
Fax: +32-2-650 53 82
Tel: +32-2-650 53 86

b Breast Cancer Translational Research Laboratory, Institut Jules Bordet, Brussels, Belgium

c Department of Pathology, Institut Jules Bordet, Brussels, Belgium

Abstract

Fourier transform infrared (FTIR) imaging was applied on histopathological specimens of breast cancer of different tumor histological grades. Focus was given to the extracellular matrix. FTIR spectral changes were observed when examining the extracellular matrix close to and far from carcinoma. Major changes were observed, in particular in the relative intensities of the collagen bands at 1640 and 1630 cm−1. PCA analysis and global fitting indicate a continuous progression in collagen spectral features when moving away from the tumor. These preliminary results suggest FTIR spectral features present in the 1700–1600 cm−1 spectral range could be used as spectral markers to identify cancer-induced modifications in collagen. This chemical imaging approach to analyze the breast cancer microenvironment could be used in the future for improving diagnostics of breast cancer.

Graphical abstract: Change in the microenvironment of breast cancer studied by FTIR imaging

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Article information

DOI
https://doi.org/10.1039/C3AN00241A
Article type
Paper
Submitted
31 Jan 2013
Accepted
08 Apr 2013
First published
08 Apr 2013

Analyst, 2013,138, 4058-4065

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Change in the microenvironment of breast cancer studied by FTIR imaging

S. Kumar, C. Desmedt, D. Larsimont, C. Sotiriou and E. Goormaghtigh, Analyst, 2013, 138, 4058 DOI: 10.1039/C3AN00241A

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