title: Metabonomics-based study of clinical urine samples in suboptimal health with different syndromes.
abstract: Objective. To explore the urinary biochemistry features of syndromes of traditional Chinese medicine (TCM) such as syndrome of stagnation of liver Qi, spleen deficiency, liver Qi stagnation, and spleen deficiency (LSSDS) in sub-optimal health status (SHS). Methods. 12 cases for each syndrome group in SHS were selected, 12 subjects were used as a normal control group, and (1)H NMR detection was, respectively, carried out, and the data was corrected by the orthogonal signal correction (OSC) and then adopted a partial least squares (PLS) method for discriminate analysis. Results. The OSC-PLS (ctr) analysis results of the nuclear overhauser enhancement spectroscopy (NOESY) detection indicated that the syndromes in SHS could be differentiated, and there were significant differences in the levels of metabolites of the urine samples of the four groups; the biomarkers of LSSDS in SHS were found out. The contents of citric acid (2.54 and 2.66), trimethylamineoxide (3.26), and hippuric acid (3.98, 7.54, 7.58, 7.62, 7.66, 7.82, and 7.86) in the urine samples of LSSDS group were lower than that of the normal control group. Conclusion. There are differences in the (1)H-NMR metabolic spectrum of the urine samples of the four groups, and the specific metabolic products of the LSSDS in SHS can be identified from metabonomics analysis.
authors: School of Pre-Clinical Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
authors: Hai-Zhen
authors: HZ
authors: Cui
authors: Li-Min
authors: LM
authors: Wang
authors: Xin
authors: X
authors: Zhao
authors: Yue-Yun
authors: YY
authors: Liu
authors: Shao-Xian
authors: SX
authors: Wang
authors: Xiao-Hong
authors: XH
authors: Li
authors: You-Ming
authors: YM
authors: Jiang
authors: Jia-Xu
authors: JX
authors: Chen
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