BMC Cancer

official impact factor 3.15

Open Access Research article

Mass spectrometry protein expression profiles in colorectal cancer tissue associated with clinico-pathological features of disease

Christopher CL Liao1,2, Nicholas Ward1,2, Simon Marsh2, Tan Arulampalam2 and John D Norton1*

Author Affiliations

1 Department of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ UK

2 ICENI Centre, Department of Surgery, Colchester Hospital University NHS Foundation Trust, Turner Road, Colchester, Essex CO4 5JL UK

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BMC Cancer 2010, 10:410 doi:10.1186/1471-2407-10-410

Published: 6 August 2010

Additional files

Additional file 1:

Examples of raw MALDI-TOF spectral profiles. Illustrative examples shown for 2012NM and 020T

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Open Data

Additional file 2:

Summary of marker peaks discriminating tumour from normal mucosa. Compilation of m/z values, ranking and statistics for 73 marker peaks.

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Additional file 3:

Performance of predictive model for discriminating tumour and normal mucosa. Summary of results of optimised k-NN algorithm on an independent test dataset.

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Open Data

Additional file 4:

Performance of model for predicting poor differentiation based on tumour spectra. Summary of results of 'leave-one-out' cross-validation k-NN algorithm.

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Open Data

Additional file 5:

Performance of model for predicting disease recurrence based on tumour spectra. Summary of results of 'leave-one-out' cross-validation k-NN algorithm.

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Additional file 6:

Performance of model for predicting lymph node involvement based on mucosa spectra. Summary of results of 'leave-one-out' cross-validation k-NN algorithm.

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Open Data