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2015 ; 5
(ä): 18175
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Serum Metabolomics to Identify the Liver Disease-Specific Biomarkers for the
Progression of Hepatitis to Hepatocellular Carcinoma
#MMPMID26658617
Gao R
; Cheng J
; Fan C
; Shi X
; Cao Y
; Sun B
; Ding H
; Hu C
; Dong F
; Yan X
Sci Rep
2015[Dec]; 5
(ä): 18175
PMID26658617
show ga
Hepatocellular carcinoma (HCC) is a common malignancy that has region specific
etiologies. Unfortunately, 85% of cases of HCC are diagnosed at an advanced
stage. Reliable biomarkers for the early diagnosis of HCC are urgently required
to reduced mortality and therapeutic expenditure. We established a non-targeted
gas chromatography-time of flight-mass spectrometry (GC-TOFMS) metabolomics
method in conjunction with Random Forests (RF) analysis based on 201 serum
samples from healthy controls (NC), hepatitis B virus (HBV), liver cirrhosis (LC)
and HCC patients to explore the metabolic characteristics in the progression of
hepatocellular carcinogenesis. Ultimately, 15 metabolites were identified
intimately associated with the process. Phenylalanine, malic acid and
5-methoxytryptamine for HBV vs. NC, palmitic acid for LC vs. HBV, and asparagine
and ?-glutamate for HCC vs. LC were screened as the liver disease-specific
potential biomarkers with an excellent discriminant performance. All the
metabolic perturbations in these liver diseases are associated with pathways for
energy metabolism, macromolecular synthesis, and maintaining the redox balance to
protect tumor cells from oxidative stress.