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Erschienen in: Inflammation Research 9/2011

01.09.2011 | Original Research Paper

GC/MS-based profiling of amino acids and TCA cycle-related molecules in ulcerative colitis

verfasst von: Makoto Ooi, Shin Nishiumi, Tomoo Yoshie, Yuuki Shiomi, Michitaka Kohashi, Ken Fukunaga, Shiro Nakamura, Takayuki Matsumoto, Naoya Hatano, Masakazu Shinohara, Yasuhiro Irino, Tadaomi Takenawa, Takeshi Azuma, Masaru Yoshida

Erschienen in: Inflammation Research | Ausgabe 9/2011

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Abstract

Objective

The roles that amino acids play in immunity and inflammation are well defined, and the relationship between inflammatory bowel disease (IBD) and certain amino acids has recently attracted attention. In this study, the levels of amino acids and trichloroacetic acid (TCA) cycle-related molecules in the colonic tissues and sera of patients with ulcerative colitis (UC) were profiled by gas chromatography/mass spectrometry (GC/MS), with the aim of evaluating whether the clinical state induced by UC leads to variations in the amino acid profile.

Materials and methods

Colonic biopsy samples from 22 UC patients were used, as well as serum samples from UC patients (n = 13), Crohn’s disease (CD) patients (n = 21), and healthy volunteers (n = 17).

Results

In the GC/MS-based profiling of amino acids and TCA cycle-related molecules, lower levels of 16 amino acids and 5 TCA cycle-related molecules were observed in the colonic lesion tissues of the UC patients, and the serum profiles of amino acids and TCA cycle-related molecules of the UC patients were different from those of the CD patients and healthy volunteers.

Conclusions

Our study raises the possibility that GC/MS-based profiling of amino acids and TCA cycle-related molecules is a useful early diagnostic tool for UC.
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Metadaten
Titel
GC/MS-based profiling of amino acids and TCA cycle-related molecules in ulcerative colitis
verfasst von
Makoto Ooi
Shin Nishiumi
Tomoo Yoshie
Yuuki Shiomi
Michitaka Kohashi
Ken Fukunaga
Shiro Nakamura
Takayuki Matsumoto
Naoya Hatano
Masakazu Shinohara
Yasuhiro Irino
Tadaomi Takenawa
Takeshi Azuma
Masaru Yoshida
Publikationsdatum
01.09.2011
Verlag
SP Birkhäuser Verlag Basel
Erschienen in
Inflammation Research / Ausgabe 9/2011
Print ISSN: 1023-3830
Elektronische ISSN: 1420-908X
DOI
https://doi.org/10.1007/s00011-011-0340-7

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