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Spectrochim Acta A Mol Biomol Spectrosc ; 189: 322-329, 2018 Jan 15.
Article in English | MEDLINE | ID: mdl-28826108

ABSTRACT

Oral submucous fibrosis (OSF) is found to have the highest malignant potentiality among all other pre-cancerous lesions. However, its detection prior to tissue biopsy can be challenging in clinics. Moreover, biopsy examination is invasive and painful. Hence, there is an urgent need of new technology that facilitates accurate diagnostic prediction of OSF prior to biopsy. Here, we used FTIR spectroscopy coupled with chemometric techniques to distinguish the serum metabolic signatures of OSF patients (n=30) and healthy controls (n=30). Serum biochemical analyses have been performed to further support the FTIR findings. Absorbance intensities of 45 infrared wavenumbers differed significantly between OSF and normal serum FTIR spectra representing alterations in carbohydrates, proteins, lipids and nucleic acids. Nineteen prominent significant wavenumbers (P≤0.001) at 1020, 1025, 1035, 1039, 1045, 1078, 1055, 1100, 1117, 1122, 1151, 1169, 1243, 1313, 1398, 1453, 1544, 1650 and 1725cm-1 provided excellent segregation of OSF spectra from normal using multivariate statistical techniques. These findings provided essential information on the metabolic features of blood serum of OSF patients and established that FTIR spectroscopy coupled with chemometric analysis can be potentially useful in the rapid and accurate preoperative screening/diagnosis of OSF.


Subject(s)
Oral Submucous Fibrosis/blood , Oral Submucous Fibrosis/diagnosis , Atherosclerosis/blood , Cluster Analysis , Discriminant Analysis , Female , Humans , Least-Squares Analysis , Male , Middle Aged , Multivariate Analysis , Oral Submucous Fibrosis/pathology , Principal Component Analysis , Reproducibility of Results , Spectroscopy, Fourier Transform Infrared , Vibration
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