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Detection of colonic inflammation with Fourier transform infrared spectroscopy using a flexible silver halide fiberVinay K. Katukuri, John Hargrove, Sharon J. Miller, Kinan Rahal, John Y. Kao, Rolf Wolters, Ellen M. Zimmermann, and Thomas D. Wang »View Author Affiliations
Vinay K. Katukuri,1
John Hargrove,2
Sharon J. Miller,1
Kinan Rahal,1
John Y. Kao,1
Rolf Wolters,2
Ellen M. Zimmermann,1
and Thomas D. Wang1,3,*
1Department of Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109, USA 2STI Medical Systems, Honolulu, HI 96813, USA 3Department of Biomedical Engineering, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109, USA *Corresponding author: thomaswa@umich.edu |
Biomedical Optics Express, Vol. 1, Issue 3, pp. 1014-1025 (2010)
http://dx.doi.org/10.1364/BOE.1.001014
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Abstract
Persistent colonic inflammation increases risk for cancer, but mucosal appearance on conventional endoscopy correlates poorly with histology. Here we demonstrate the use of a flexible silver halide fiber to collect mid-infrared absorption spectra and an interval model to distinguish colitis from normal mucosa in dextran sulfate sodium treated mice. The spectral regime between 950 and 1800 cm−1 was collected from excised colonic specimens and compared with histology. Our model identified 3 sub-ranges that optimize the classification results, and the performance for detecting inflammation resulted in a sensitivity, specificity, accuracy, and positive predictive value of 92%, 88%, 90%, and 88%, respectively.
© 2010 OSA
OCIS Codes
(070.4790) Fourier optics and signal processing : Spectrum analysis
(070.5010) Fourier optics and signal processing : Pattern recognition
(110.2350) Imaging systems : Fiber optics imaging
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
ToC Category:
Optics in Cancer Research
History
Original Manuscript: July 30, 2010
Revised Manuscript: September 16, 2010
Manuscript Accepted: September 19, 2010
Published: September 21, 2010
Citation
Vinay K. Katukuri, John Hargrove, Sharon J. Miller, Kinan Rahal, John Y. Kao, Rolf Wolters, Ellen M. Zimmermann, and Thomas D. Wang, "Detection of colonic inflammation with Fourier transform infrared spectroscopy using a flexible silver halide fiber," Biomed. Opt. Express 1, 1014-1025 (2010)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-1-3-1014
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References
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- R. Bhargava, D. C. Fernandez, S. M. Hewitt, and I. W. Levin, “High throughput assessment of cells and tissues: Bayesian classification of spectral metrics from infrared vibrational spectroscopic imaging data,” Biochim. Biophys. Acta 1758(7), 830–845 (2006). [CrossRef] [PubMed]
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- U. Bindig, M. Meinke, I. Gersonde, O. Spector, I. Vasserman, A. Katzir, and G. Müller, “IR-biosensor: flat silver halide fiber for bio-medical sensing?” Sens. Actuators B Chem. 74(1-3), 37–46 (2001). [CrossRef]
- R. B. Gupta, N. Harpaz, S. Itzkowitz, S. Hossain, S. Matula, A. Kornbluth, C. Bodian, and T. Ullman, “Histologic inflammation is a risk factor for progression to colorectal neoplasia in ulcerative colitis: a cohort study,” Gastroenterology 133(4), 1099–1105, quiz 1340–1341 (2007). [CrossRef] [PubMed]
- E. Bogomolny, M. Huleihel, Y. Suproun, R. K. Sahu, and S. Mordechai, “Early spectral changes of cellular malignant transformation using Fourier transform infrared microspectroscopy,” J. Biomed. Opt. 12(2), 024003 (2007). [CrossRef] [PubMed]
- H. S. Cooper, L. Everley, W. C. Chang, G. Pfeiffer, B. Lee, S. Murthy, and M. L. Clapper, “The role of mutant Apc in the development of dysplasia and cancer in the mouse model of dextran sulfate sodium-induced colitis,” Gastroenterology 121(6), 1407–1416 (2001). [CrossRef] [PubMed]
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- I. Chong and C. Jun, “Performance of some variable selection methods when multicollinearity is present,” Chemom. Intell. Lab. Syst. 78(1-2), 103–112 (2005). [CrossRef]
- H. S. Cooper, L. Everley, W. C. Chang, G. Pfeiffer, B. Lee, S. Murthy, and M. L. Clapper, “The role of mutant Apc in the development of dysplasia and cancer in the mouse model of dextran sulfate sodium-induced colitis,” Gastroenterology 121(6), 1407–1416 (2001). [CrossRef] [PubMed]
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- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
- H. S. Cooper, L. Everley, W. C. Chang, G. Pfeiffer, B. Lee, S. Murthy, and M. L. Clapper, “The role of mutant Apc in the development of dysplasia and cancer in the mouse model of dextran sulfate sodium-induced colitis,” Gastroenterology 121(6), 1407–1416 (2001). [CrossRef] [PubMed]
- M. J. German, A. Hammiche, N. Ragavan, M. J. Tobin, L. J. Cooper, S. S. Matanhelia, A. C. Hindley, C. M. Nicholson, N. J. Fullwood, H. M. Pollock, and F. L. Martin, “Infrared spectroscopy with multivariate analysis potentially facilitates the segregation of different types of prostate cell,” Biophys. J. 90(10), 3783–3795 (2006). [CrossRef] [PubMed]
- M. A. Mackanos, J. Hargrove, R. Wolters, C. B. Du, S. Friedland, R. M. Soetikno, C. H. Contag, M. R. Arroyo, J. M. Crawford, and T. D. Wang, “Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy,” J. Biomed. Opt. 14(4), 044006 (2009). [CrossRef] [PubMed]
- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
- T. Ullman, V. Croog, N. Harpaz, D. Sachar, and S. Itzkowitz, “Progression of flat low-grade dysplasia to advanced neoplasia in patients with ulcerative colitis,” Gastroenterology 125(5), 1311–1319 (2003). [CrossRef] [PubMed]
- S. de Jong, “SIMPLS - an Alternative Approach to Partial Least-Squares Regression,” Chemom. Intell. Lab. Syst. 18(3), 251–263 (1993). [CrossRef]
- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
- M. A. Mackanos, J. Hargrove, R. Wolters, C. B. Du, S. Friedland, R. M. Soetikno, C. H. Contag, M. R. Arroyo, J. M. Crawford, and T. D. Wang, “Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy,” J. Biomed. Opt. 14(4), 044006 (2009). [CrossRef] [PubMed]
- P. Gomes, C. du Boulay, C. L. Smith, and G. Holdstock, “Relationship between disease activity indices and colonoscopic findings in patients with colonic inflammatory bowel disease,” Gut 27(1), 92–95 (1986). [CrossRef] [PubMed]
- S. Wold, A. Ruhe, H. Wold, and W. Dunn, “The Collinearity Problem in Linear-Regression - the Partial Least-Squares (PLS) Approach to Generalized Inverses,” SIAM J. Sci. Stat. Comput. 5(3), 735–743 (1984). [CrossRef]
- M. M. Patel, J. D. Smart, T. G. Nevell, R. J. Ewen, P. J. Eaton, and J. Tsibouklis, “Mucin/poly(acrylic acid) interactions: a spectroscopic investigation of mucoadhesion,” Biomacromolecules 4(5), 1184–1190 (2003). [CrossRef] [PubMed]
- S. G. El-Tawil, R. Adnan, Z. N. Muhamed, and N. H. Othman, “Comparative study between Pap smear cytology and FTIR spectroscopy: a new tool for screening for cervical cancer,” Pathology 40(6), 600–603 (2008). [CrossRef] [PubMed]
- H. S. Cooper, L. Everley, W. C. Chang, G. Pfeiffer, B. Lee, S. Murthy, and M. L. Clapper, “The role of mutant Apc in the development of dysplasia and cancer in the mouse model of dextran sulfate sodium-induced colitis,” Gastroenterology 121(6), 1407–1416 (2001). [CrossRef] [PubMed]
- M. M. Patel, J. D. Smart, T. G. Nevell, R. J. Ewen, P. J. Eaton, and J. Tsibouklis, “Mucin/poly(acrylic acid) interactions: a spectroscopic investigation of mucoadhesion,” Biomacromolecules 4(5), 1184–1190 (2003). [CrossRef] [PubMed]
- M. L. Mutinga, R. D. Odze, H. H. Wang, J. L. Hornick, and F. A. Farraye, “The clinical significance of right-sided colonic inflammation in patients with left-sided chronic ulcerative colitis,” Inflamm. Bowel Dis. 10(3), 215–219 (2004). [CrossRef] [PubMed]
- R. Bhargava, D. C. Fernandez, S. M. Hewitt, and I. W. Levin, “High throughput assessment of cells and tissues: Bayesian classification of spectral metrics from infrared vibrational spectroscopic imaging data,” Biochim. Biophys. Acta 1758(7), 830–845 (2006). [CrossRef] [PubMed]
- D. C. Fernandez, R. Bhargava, S. M. Hewitt, and I. W. Levin, “Infrared spectroscopic imaging for histopathologic recognition,” Nat. Biotechnol. 23(4), 469–474 (2005). [CrossRef] [PubMed]
- M. Rutter, B. Saunders, K. Wilkinson, S. Rumbles, G. Schofield, M. Kamm, C. Williams, A. Price, I. Talbot, and A. Forbes, “Severity of inflammation is a risk factor for colorectal neoplasia in ulcerative colitis,” Gastroenterology 126(2), 451–459 (2004). [CrossRef] [PubMed]
- M. A. Mackanos, J. Hargrove, R. Wolters, C. B. Du, S. Friedland, R. M. Soetikno, C. H. Contag, M. R. Arroyo, J. M. Crawford, and T. D. Wang, “Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy,” J. Biomed. Opt. 14(4), 044006 (2009). [CrossRef] [PubMed]
- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
- S. Fujii, T. Fujimori, H. Kawamata, J. Takeda, K. Kitajima, F. Omotehara, T. Kaihara, T. Kusaka, K. Ichikawa, Y. Ohkura, Y. Ono, J. Imura, S. Yamaoka, C. Sakamoto, Y. Ueda, and T. Chiba, “Development of colonic neoplasia in p53 deficient mice with experimental colitis induced by dextran sulphate sodium,” Gut 53(5), 710–716 (2004). [CrossRef] [PubMed]
- S. Fujii, T. Fujimori, H. Kawamata, J. Takeda, K. Kitajima, F. Omotehara, T. Kaihara, T. Kusaka, K. Ichikawa, Y. Ohkura, Y. Ono, J. Imura, S. Yamaoka, C. Sakamoto, Y. Ueda, and T. Chiba, “Development of colonic neoplasia in p53 deficient mice with experimental colitis induced by dextran sulphate sodium,” Gut 53(5), 710–716 (2004). [CrossRef] [PubMed]
- N. Fujioka, Y. Morimoto, T. Arai, and M. Kikuchi, “Discrimination between normal and malignant human gastric tissues by Fourier transform infrared spectroscopy,” Cancer Detect. Prev. 28(1), 32–36 (2004). [CrossRef] [PubMed]
- M. J. German, A. Hammiche, N. Ragavan, M. J. Tobin, L. J. Cooper, S. S. Matanhelia, A. C. Hindley, C. M. Nicholson, N. J. Fullwood, H. M. Pollock, and F. L. Martin, “Infrared spectroscopy with multivariate analysis potentially facilitates the segregation of different types of prostate cell,” Biophys. J. 90(10), 3783–3795 (2006). [CrossRef] [PubMed]
- P. Geladi and B. Kowalski, “Partial Least-Squares Regression - a Tutorial,” Anal. Chim. Acta 185(1), 1–17 (1986). [CrossRef]
- M. J. German, A. Hammiche, N. Ragavan, M. J. Tobin, L. J. Cooper, S. S. Matanhelia, A. C. Hindley, C. M. Nicholson, N. J. Fullwood, H. M. Pollock, and F. L. Martin, “Infrared spectroscopy with multivariate analysis potentially facilitates the segregation of different types of prostate cell,” Biophys. J. 90(10), 3783–3795 (2006). [CrossRef] [PubMed]
- U. Bindig, M. Meinke, I. Gersonde, O. Spector, I. Vasserman, A. Katzir, and G. Müller, “IR-biosensor: flat silver halide fiber for bio-medical sensing?” Sens. Actuators B Chem. 74(1-3), 37–46 (2001). [CrossRef]
- A. Savitzky and M. J. E. Golay, “Smoothing and Differentiation of Data by Simplified Least Squares Procedures,” Anal. Chem. 36(8), 1627–1639 (1964). [CrossRef]
- B. Rigas, S. Morgello, I. S. Goldman, and P. T. Wong, “Human colorectal cancers display abnormal Fourier-transform infrared spectra,” Proc. Natl. Acad. Sci. U.S.A. 87(20), 8140–8144 (1990). [CrossRef] [PubMed]
- P. Gomes, C. du Boulay, C. L. Smith, and G. Holdstock, “Relationship between disease activity indices and colonoscopic findings in patients with colonic inflammatory bowel disease,” Gut 27(1), 92–95 (1986). [CrossRef] [PubMed]
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- S. Fujii, T. Fujimori, H. Kawamata, J. Takeda, K. Kitajima, F. Omotehara, T. Kaihara, T. Kusaka, K. Ichikawa, Y. Ohkura, Y. Ono, J. Imura, S. Yamaoka, C. Sakamoto, Y. Ueda, and T. Chiba, “Development of colonic neoplasia in p53 deficient mice with experimental colitis induced by dextran sulphate sodium,” Gut 53(5), 710–716 (2004). [CrossRef] [PubMed]
- M. Rutter, B. Saunders, K. Wilkinson, S. Rumbles, G. Schofield, M. Kamm, C. Williams, A. Price, I. Talbot, and A. Forbes, “Severity of inflammation is a risk factor for colorectal neoplasia in ulcerative colitis,” Gastroenterology 126(2), 451–459 (2004). [CrossRef] [PubMed]
- M. J. German, A. Hammiche, N. Ragavan, M. J. Tobin, L. J. Cooper, S. S. Matanhelia, A. C. Hindley, C. M. Nicholson, N. J. Fullwood, H. M. Pollock, and F. L. Martin, “Infrared spectroscopy with multivariate analysis potentially facilitates the segregation of different types of prostate cell,” Biophys. J. 90(10), 3783–3795 (2006). [CrossRef] [PubMed]
- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
- M. M. Patel, J. D. Smart, T. G. Nevell, R. J. Ewen, P. J. Eaton, and J. Tsibouklis, “Mucin/poly(acrylic acid) interactions: a spectroscopic investigation of mucoadhesion,” Biomacromolecules 4(5), 1184–1190 (2003). [CrossRef] [PubMed]
- S. Fujii, T. Fujimori, H. Kawamata, J. Takeda, K. Kitajima, F. Omotehara, T. Kaihara, T. Kusaka, K. Ichikawa, Y. Ohkura, Y. Ono, J. Imura, S. Yamaoka, C. Sakamoto, Y. Ueda, and T. Chiba, “Development of colonic neoplasia in p53 deficient mice with experimental colitis induced by dextran sulphate sodium,” Gut 53(5), 710–716 (2004). [CrossRef] [PubMed]
- M. Seo, M. Okada, T. Yao, M. Ueki, S. Arima, and M. Okumura, “An index of disease activity in patients with ulcerative colitis,” Am. J. Gastroenterol. 87(8), 971–976 (1992). [PubMed]
- R. B. Gupta, N. Harpaz, S. Itzkowitz, S. Hossain, S. Matula, A. Kornbluth, C. Bodian, and T. Ullman, “Histologic inflammation is a risk factor for progression to colorectal neoplasia in ulcerative colitis: a cohort study,” Gastroenterology 133(4), 1099–1105, quiz 1340–1341 (2007). [CrossRef] [PubMed]
- T. Ullman, V. Croog, N. Harpaz, D. Sachar, and S. Itzkowitz, “Progression of flat low-grade dysplasia to advanced neoplasia in patients with ulcerative colitis,” Gastroenterology 125(5), 1311–1319 (2003). [CrossRef] [PubMed]
- U. Bindig, M. Meinke, I. Gersonde, O. Spector, I. Vasserman, A. Katzir, and G. Müller, “IR-biosensor: flat silver halide fiber for bio-medical sensing?” Sens. Actuators B Chem. 74(1-3), 37–46 (2001). [CrossRef]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- M. L. Mutinga, R. D. Odze, H. H. Wang, J. L. Hornick, and F. A. Farraye, “The clinical significance of right-sided colonic inflammation in patients with left-sided chronic ulcerative colitis,” Inflamm. Bowel Dis. 10(3), 215–219 (2004). [CrossRef] [PubMed]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- M. A. Mackanos, J. Hargrove, R. Wolters, C. B. Du, S. Friedland, R. M. Soetikno, C. H. Contag, M. R. Arroyo, J. M. Crawford, and T. D. Wang, “Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy,” J. Biomed. Opt. 14(4), 044006 (2009). [CrossRef] [PubMed]
- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
- S. Wirtz, C. Neufert, B. Weigmann, and M. F. Neurath, “Chemically induced mouse models of intestinal inflammation,” Nat. Protoc. 2(3), 541–546 (2007). [CrossRef] [PubMed]
- M. Rutter, B. Saunders, K. Wilkinson, S. Rumbles, G. Schofield, M. Kamm, C. Williams, A. Price, I. Talbot, and A. Forbes, “Severity of inflammation is a risk factor for colorectal neoplasia in ulcerative colitis,” Gastroenterology 126(2), 451–459 (2004). [CrossRef] [PubMed]
- M. Rutter, B. Saunders, K. Wilkinson, S. Rumbles, G. Schofield, M. Kamm, C. Williams, A. Price, I. Talbot, and A. Forbes, “Severity of inflammation is a risk factor for colorectal neoplasia in ulcerative colitis,” Gastroenterology 126(2), 451–459 (2004). [CrossRef] [PubMed]
- S. Wirtz, C. Neufert, B. Weigmann, and M. F. Neurath, “Chemically induced mouse models of intestinal inflammation,” Nat. Protoc. 2(3), 541–546 (2007). [CrossRef] [PubMed]
- S. Wold, A. Ruhe, H. Wold, and W. Dunn, “The Collinearity Problem in Linear-Regression - the Partial Least-Squares (PLS) Approach to Generalized Inverses,” SIAM J. Sci. Stat. Comput. 5(3), 735–743 (1984). [CrossRef]
- S. Wold, A. Ruhe, H. Wold, and W. Dunn, “The Collinearity Problem in Linear-Regression - the Partial Least-Squares (PLS) Approach to Generalized Inverses,” SIAM J. Sci. Stat. Comput. 5(3), 735–743 (1984). [CrossRef]
- M. A. Mackanos, J. Hargrove, R. Wolters, C. B. Du, S. Friedland, R. M. Soetikno, C. H. Contag, M. R. Arroyo, J. M. Crawford, and T. D. Wang, “Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy,” J. Biomed. Opt. 14(4), 044006 (2009). [CrossRef] [PubMed]
- B. Rigas, S. Morgello, I. S. Goldman, and P. T. Wong, “Human colorectal cancers display abnormal Fourier-transform infrared spectra,” Proc. Natl. Acad. Sci. U.S.A. 87(20), 8140–8144 (1990). [CrossRef] [PubMed]
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- J. Xie and S. H. Itzkowitz, “Cancer in inflammatory bowel disease,” World J. Gastroenterol. 14(3), 378–389 (2008). [CrossRef] [PubMed]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- S. Fujii, T. Fujimori, H. Kawamata, J. Takeda, K. Kitajima, F. Omotehara, T. Kaihara, T. Kusaka, K. Ichikawa, Y. Ohkura, Y. Ono, J. Imura, S. Yamaoka, C. Sakamoto, Y. Ueda, and T. Chiba, “Development of colonic neoplasia in p53 deficient mice with experimental colitis induced by dextran sulphate sodium,” Gut 53(5), 710–716 (2004). [CrossRef] [PubMed]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- M. Seo, M. Okada, T. Yao, M. Ueki, S. Arima, and M. Okumura, “An index of disease activity in patients with ulcerative colitis,” Am. J. Gastroenterol. 87(8), 971–976 (1992). [PubMed]
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- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
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Am. J. Gastroenterol.
- M. Seo, M. Okada, T. Yao, M. Ueki, S. Arima, and M. Okumura, “An index of disease activity in patients with ulcerative colitis,” Am. J. Gastroenterol. 87(8), 971–976 (1992). [PubMed]
Anal. Bioanal. Chem.
- R. Bhargava, “Towards a practical Fourier transform infrared chemical imaging protocol for cancer histopathology,” Anal. Bioanal. Chem. 389(4), 1155–1169 (2007). [CrossRef] [PubMed]
Anal. Chem.
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Anal. Chim. Acta
- P. Geladi and B. Kowalski, “Partial Least-Squares Regression - a Tutorial,” Anal. Chim. Acta 185(1), 1–17 (1986). [CrossRef]
Biochim. Biophys. Acta
- R. Bhargava, D. C. Fernandez, S. M. Hewitt, and I. W. Levin, “High throughput assessment of cells and tissues: Bayesian classification of spectral metrics from infrared vibrational spectroscopic imaging data,” Biochim. Biophys. Acta 1758(7), 830–845 (2006). [CrossRef] [PubMed]
Biomacromolecules
- M. M. Patel, J. D. Smart, T. G. Nevell, R. J. Ewen, P. J. Eaton, and J. Tsibouklis, “Mucin/poly(acrylic acid) interactions: a spectroscopic investigation of mucoadhesion,” Biomacromolecules 4(5), 1184–1190 (2003). [CrossRef] [PubMed]
Biophys. J.
- M. J. German, A. Hammiche, N. Ragavan, M. J. Tobin, L. J. Cooper, S. S. Matanhelia, A. C. Hindley, C. M. Nicholson, N. J. Fullwood, H. M. Pollock, and F. L. Martin, “Infrared spectroscopy with multivariate analysis potentially facilitates the segregation of different types of prostate cell,” Biophys. J. 90(10), 3783–3795 (2006). [CrossRef] [PubMed]
Biopolymers
- S. Argov, R. K. Sahu, E. Bernshtain, A. Salman, G. Shohat, U. Zelig, and S. Mordechai, “Inflammatory bowel diseases as an intermediate stage between normal and cancer: a FTIR-microspectroscopy approach,” Biopolymers 75(5), 384–392 (2004). [CrossRef] [PubMed]
Cancer Detect. Prev.
- N. Fujioka, Y. Morimoto, T. Arai, and M. Kikuchi, “Discrimination between normal and malignant human gastric tissues by Fourier transform infrared spectroscopy,” Cancer Detect. Prev. 28(1), 32–36 (2004). [CrossRef] [PubMed]
Chemom. Intell. Lab. Syst.
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Gastroenterology
- T. Ullman, V. Croog, N. Harpaz, D. Sachar, and S. Itzkowitz, “Progression of flat low-grade dysplasia to advanced neoplasia in patients with ulcerative colitis,” Gastroenterology 125(5), 1311–1319 (2003). [CrossRef] [PubMed]
- R. B. Gupta, N. Harpaz, S. Itzkowitz, S. Hossain, S. Matula, A. Kornbluth, C. Bodian, and T. Ullman, “Histologic inflammation is a risk factor for progression to colorectal neoplasia in ulcerative colitis: a cohort study,” Gastroenterology 133(4), 1099–1105, quiz 1340–1341 (2007). [CrossRef] [PubMed]
- M. Rutter, B. Saunders, K. Wilkinson, S. Rumbles, G. Schofield, M. Kamm, C. Williams, A. Price, I. Talbot, and A. Forbes, “Severity of inflammation is a risk factor for colorectal neoplasia in ulcerative colitis,” Gastroenterology 126(2), 451–459 (2004). [CrossRef] [PubMed]
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Gut
- S. Fujii, T. Fujimori, H. Kawamata, J. Takeda, K. Kitajima, F. Omotehara, T. Kaihara, T. Kusaka, K. Ichikawa, Y. Ohkura, Y. Ono, J. Imura, S. Yamaoka, C. Sakamoto, Y. Ueda, and T. Chiba, “Development of colonic neoplasia in p53 deficient mice with experimental colitis induced by dextran sulphate sodium,” Gut 53(5), 710–716 (2004). [CrossRef] [PubMed]
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Inflamm. Bowel Dis.
- M. L. Mutinga, R. D. Odze, H. H. Wang, J. L. Hornick, and F. A. Farraye, “The clinical significance of right-sided colonic inflammation in patients with left-sided chronic ulcerative colitis,” Inflamm. Bowel Dis. 10(3), 215–219 (2004). [CrossRef] [PubMed]
J. Biomed. Opt.
- E. Bogomolny, M. Huleihel, Y. Suproun, R. K. Sahu, and S. Mordechai, “Early spectral changes of cellular malignant transformation using Fourier transform infrared microspectroscopy,” J. Biomed. Opt. 12(2), 024003 (2007). [CrossRef] [PubMed]
- M. A. Mackanos, J. Hargrove, R. Wolters, C. B. Du, S. Friedland, R. M. Soetikno, C. H. Contag, M. R. Arroyo, J. M. Crawford, and T. D. Wang, “Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy,” J. Biomed. Opt. 14(4), 044006 (2009). [CrossRef] [PubMed]
Nat. Biotechnol.
- D. C. Fernandez, R. Bhargava, S. M. Hewitt, and I. W. Levin, “Infrared spectroscopic imaging for histopathologic recognition,” Nat. Biotechnol. 23(4), 469–474 (2005). [CrossRef] [PubMed]
Nat. Protoc.
- S. Wirtz, C. Neufert, B. Weigmann, and M. F. Neurath, “Chemically induced mouse models of intestinal inflammation,” Nat. Protoc. 2(3), 541–546 (2007). [CrossRef] [PubMed]
Nucleic Acids Res.
- D. J. Law, E. M. Labut, R. D. Adams, and J. L. Merchant, “An isoform of ZBP-89 predisposes the colon to colitis,” Nucleic Acids Res. 34(5), 1342–1350 (2006). [CrossRef] [PubMed]
Pathology
- S. G. El-Tawil, R. Adnan, Z. N. Muhamed, and N. H. Othman, “Comparative study between Pap smear cytology and FTIR spectroscopy: a new tool for screening for cervical cancer,” Pathology 40(6), 600–603 (2008). [CrossRef] [PubMed]
Proc. Natl. Acad. Sci. U.S.A.
- B. Rigas, S. Morgello, I. S. Goldman, and P. T. Wong, “Human colorectal cancers display abnormal Fourier-transform infrared spectra,” Proc. Natl. Acad. Sci. U.S.A. 87(20), 8140–8144 (1990). [CrossRef] [PubMed]
- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
Sens. Actuators B Chem.
- U. Bindig, M. Meinke, I. Gersonde, O. Spector, I. Vasserman, A. Katzir, and G. Müller, “IR-biosensor: flat silver halide fiber for bio-medical sensing?” Sens. Actuators B Chem. 74(1-3), 37–46 (2001). [CrossRef]
SIAM J. Sci. Stat. Comput.
- S. Wold, A. Ruhe, H. Wold, and W. Dunn, “The Collinearity Problem in Linear-Regression - the Partial Least-Squares (PLS) Approach to Generalized Inverses,” SIAM J. Sci. Stat. Comput. 5(3), 735–743 (1984). [CrossRef]
World J. Gastroenterol.
- J. Xie and S. H. Itzkowitz, “Cancer in inflammatory bowel disease,” World J. Gastroenterol. 14(3), 378–389 (2008). [CrossRef] [PubMed]
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Other
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2009, Mackanos, J. Biomed. Opt.
- M. A. Mackanos, J. Hargrove, R. Wolters, C. B. Du, S. Friedland, R. M. Soetikno, C. H. Contag, M. R. Arroyo, J. M. Crawford, and T. D. Wang, “Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy,” J. Biomed. Opt. 14(4), 044006 (2009). [CrossRef] [PubMed]
- J. Xie and S. H. Itzkowitz, “Cancer in inflammatory bowel disease,” World J. Gastroenterol. 14(3), 378–389 (2008). [CrossRef] [PubMed]
- S. G. El-Tawil, R. Adnan, Z. N. Muhamed, and N. H. Othman, “Comparative study between Pap smear cytology and FTIR spectroscopy: a new tool for screening for cervical cancer,” Pathology 40(6), 600–603 (2008). [CrossRef] [PubMed]
- T. D. Wang, G. Triadafilopoulos, J. M. Crawford, L. R. Dixon, T. Bhandari, P. Sahbaie, S. Friedland, R. Soetikno, and C. H. Contag, “Detection of endogenous biomolecules in Barrett’s esophagus by Fourier transform infrared spectroscopy,” Proc. Natl. Acad. Sci. U.S.A. 104(40), 15864–15869 (2007). [CrossRef] [PubMed]
- R. B. Gupta, N. Harpaz, S. Itzkowitz, S. Hossain, S. Matula, A. Kornbluth, C. Bodian, and T. Ullman, “Histologic inflammation is a risk factor for progression to colorectal neoplasia in ulcerative colitis: a cohort study,” Gastroenterology 133(4), 1099–1105, quiz 1340–1341 (2007). [CrossRef] [PubMed]
- S. Wirtz, C. Neufert, B. Weigmann, and M. F. Neurath, “Chemically induced mouse models of intestinal inflammation,” Nat. Protoc. 2(3), 541–546 (2007). [CrossRef] [PubMed]
- R. Bhargava, “Towards a practical Fourier transform infrared chemical imaging protocol for cancer histopathology,” Anal. Bioanal. Chem. 389(4), 1155–1169 (2007). [CrossRef] [PubMed]
- E. Bogomolny, M. Huleihel, Y. Suproun, R. K. Sahu, and S. Mordechai, “Early spectral changes of cellular malignant transformation using Fourier transform infrared microspectroscopy,” J. Biomed. Opt. 12(2), 024003 (2007). [CrossRef] [PubMed]
- R. Bhargava, D. C. Fernandez, S. M. Hewitt, and I. W. Levin, “High throughput assessment of cells and tissues: Bayesian classification of spectral metrics from infrared vibrational spectroscopic imaging data,” Biochim. Biophys. Acta 1758(7), 830–845 (2006). [CrossRef] [PubMed]
- M. J. German, A. Hammiche, N. Ragavan, M. J. Tobin, L. J. Cooper, S. S. Matanhelia, A. C. Hindley, C. M. Nicholson, N. J. Fullwood, H. M. Pollock, and F. L. Martin, “Infrared spectroscopy with multivariate analysis potentially facilitates the segregation of different types of prostate cell,” Biophys. J. 90(10), 3783–3795 (2006). [CrossRef] [PubMed]
- D. J. Law, E. M. Labut, R. D. Adams, and J. L. Merchant, “An isoform of ZBP-89 predisposes the colon to colitis,” Nucleic Acids Res. 34(5), 1342–1350 (2006). [CrossRef] [PubMed]
- I. Chong and C. Jun, “Performance of some variable selection methods when multicollinearity is present,” Chemom. Intell. Lab. Syst. 78(1-2), 103–112 (2005). [CrossRef]
- D. C. Fernandez, R. Bhargava, S. M. Hewitt, and I. W. Levin, “Infrared spectroscopic imaging for histopathologic recognition,” Nat. Biotechnol. 23(4), 469–474 (2005). [CrossRef] [PubMed]
- C. Charlton, A. Katzir, and B. Mizaikoff, “Infrared evanescent field sensing with quantum cascade lasers and planar silver halide waveguides,” Anal. Chem. 77(14), 4398–4403 (2005). [CrossRef] [PubMed]
- Q. B. Li, Z. Xu, N. W. Zhang, L. Zhang, F. Wang, L. M. Yang, J. S. Wang, S. Zhou, Y. F. Zhang, X. S. Zhou, J. S. Shi, and J. G. Wu, “In vivo and in situ detection of colorectal cancer using Fourier transform infrared spectroscopy,” World J. Gastroenterol. 11(3), 327–330 (2005). [PubMed]
- N. Fujioka, Y. Morimoto, T. Arai, and M. Kikuchi, “Discrimination between normal and malignant human gastric tissues by Fourier transform infrared spectroscopy,” Cancer Detect. Prev. 28(1), 32–36 (2004). [CrossRef] [PubMed]
- M. Rutter, B. Saunders, K. Wilkinson, S. Rumbles, G. Schofield, M. Kamm, C. Williams, A. Price, I. Talbot, and A. Forbes, “Severity of inflammation is a risk factor for colorectal neoplasia in ulcerative colitis,” Gastroenterology 126(2), 451–459 (2004). [CrossRef] [PubMed]
- S. Fujii, T. Fujimori, H. Kawamata, J. Takeda, K. Kitajima, F. Omotehara, T. Kaihara, T. Kusaka, K. Ichikawa, Y. Ohkura, Y. Ono, J. Imura, S. Yamaoka, C. Sakamoto, Y. Ueda, and T. Chiba, “Development of colonic neoplasia in p53 deficient mice with experimental colitis induced by dextran sulphate sodium,” Gut 53(5), 710–716 (2004). [CrossRef] [PubMed]
- M. L. Mutinga, R. D. Odze, H. H. Wang, J. L. Hornick, and F. A. Farraye, “The clinical significance of right-sided colonic inflammation in patients with left-sided chronic ulcerative colitis,” Inflamm. Bowel Dis. 10(3), 215–219 (2004). [CrossRef] [PubMed]
- S. Argov, R. K. Sahu, E. Bernshtain, A. Salman, G. Shohat, U. Zelig, and S. Mordechai, “Inflammatory bowel diseases as an intermediate stage between normal and cancer: a FTIR-microspectroscopy approach,” Biopolymers 75(5), 384–392 (2004). [CrossRef] [PubMed]
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