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Study of Metabolic Profiling Changes in Colorectal Cancer Tissues Using 1D 1H HR-MAS NMR Spectroscopy
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  • Study of Metabolic Profiling Changes in Colorectal Cancer Tissues Using 1D 1H HR-MAS NMR Spectroscopy
  • Study of Metabolic Profiling Changes in Colorectal Cancer Tissues Using 1D 1H HR-MAS NMR Spectroscopy
저자명
Kim. Siwon,Lee. Sangmi,Maeng. Young Hee,Chang. Weon Young,Hyun. Jin Won,Kim. Suhkmann
간행물명
Bulletin of the Korean Chemical Society
권/호정보
2013년|34권 5호|pp.1467-1472 (6 pages)
발행정보
대한화학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Metabolomics is a field that studies systematic dynamics and secretion of metabolites from cells to understand biological pathways based on metabolite changes. The metabolic profiling of intact human colorectal tissues was performed using high-resolution magic angle spinning (HR-MAS) NMR spectroscopy, which was unnecessary to extract metabolites from tissues. We used two different groups of samples, which were defined as normal and cancer, from 9 patients with colorectal cancer and investigated the samples in NMR experiments with a water suppression pulse sequence. We applied target profiling and multivariative statistical analysis to the analyzed 1D NMR spectra to identify the metabolites and discriminate between normal and cancer tissues. Cancer tissue showed higher levels of arginine, betaine, glutamate, lysine, taurine and lower levels of glutamine, hypoxanthine, isoleucine, lactate, methionine, pyruvate, tyrosine relative to normal tissue. In the OPLS-DA (orthogonal partial least square discriminant analysis), the score plot showed good separation between the normal and cancer groups. These results suggest that metabolic profiling of colorectal cancer could provide new biomarkers.