Potential Metabolic Biomarkers to Identify Interstitial Lung Abnormalities
AbstractDetermining sensitive biomarkers in the peripheral blood to identify interstitial lung abnormalities (ILAs) is essential for the simple early diagnosis of ILAs. This study aimed to determine serum metabolic biomarkers of ILAs and the corresponding pathogenesis. Three groups of subjects undergoing health screening, including healthy subjects, subjects with ILAs, and subjects who were healthy initially and with ILAs one year later (Healthy→ILAs), were recruited for this study. The metabolic profiles of all of the subjects’ serum were analyzed by liquid chromatography quadruple time-of-flight mass spectrometry. The metabolic characteristics of the ILAs subjects were discovered, and the corresponding biomarkers were predicted. The metabolomic data from the Healthy→ILAs subjects were collected for further verification. The results indicated that five serum metabolite alterations (up-regulated phosphatidylcholine, phosphatidic acid, betaine aldehyde and phosphatidylethanolamine, as well as down-regulated 1-acylglycerophosphocholine) were sensitive and reliable biomarkers for identifying ILAs. Perturbation of the corresponding biological pathways (RhoA signaling, mTOR/P70S6K signaling and phospholipase C signaling) might be at least partially responsible for the pathogenesis of ILAs. This study may provide a good template for determining the early diagnostic markers of subclinical disease status and for obtaining a better understanding of their pathogenesis. View Full-Text
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Tan, Y.; Jia, D.; Lin, Z.; Guo, B.; He, B.; Lu, C.; Xiao, C.; Liu, Z.; Zhao, N.; Bian, Z.; Zhang, G.; Zhang, W.; Liu, X.; Lu, A. Potential Metabolic Biomarkers to Identify Interstitial Lung Abnormalities. Int. J. Mol. Sci. 2016, 17, 1148.
Tan Y, Jia D, Lin Z, Guo B, He B, Lu C, Xiao C, Liu Z, Zhao N, Bian Z, Zhang G, Zhang W, Liu X, Lu A. Potential Metabolic Biomarkers to Identify Interstitial Lung Abnormalities. International Journal of Molecular Sciences. 2016; 17(7):1148.Chicago/Turabian Style
Tan, Yong; Jia, Dongmei; Lin, Zhang; Guo, Baosheng; He, Bing; Lu, Cheng; Xiao, Cheng; Liu, Zhongdi; Zhao, Ning; Bian, Zhaoxiang; Zhang, Ge; Zhang, Weidong; Liu, Xinru; Lu, Aiping. 2016. "Potential Metabolic Biomarkers to Identify Interstitial Lung Abnormalities." Int. J. Mol. Sci. 17, no. 7: 1148.
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