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Plasma proteomic study of acute mountain sickness susceptible and resistant individuals.

Plasma proteomic study of acute mountain sickness susceptible and resistant individuals.
Author Information (click to view)

Lu H, Wang R, Li W, Xie H, Wang C, Hao Y, Sun Y, Jia Z,


Lu H, Wang R, Li W, Xie H, Wang C, Hao Y, Sun Y, Jia Z, (click to view)

Lu H, Wang R, Li W, Xie H, Wang C, Hao Y, Sun Y, Jia Z,

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Scientific reports 2018 01 198(1) 1265 doi 10.1038/s41598-018-19818-9
Abstract

Although extensive studies have focused on the development of acute mountain sickness (AMS), the exact mechanisms of AMS are still obscure. In this study, we used isobaric tags for relative and absolute quantitation (iTRAQ) proteomic analysis to identify novel AMS-associated biomarkers in human plasma. After 9 hours of hypobaric hypoxia the abundance of proteins related to tricarboxylic acid (TCA) cycle, glycolysis, ribosome, and proteasome were significantly reduced in AMS resistant (AMS-) group, but not in AMS susceptible (AMS+) group. This suggested that AMS- individuals could reduce oxygen consumption via repressing TCA cycle and glycolysis, and reduce energy consumption through decreasing protein degradation and synthesis compared to AMS+ individuals after acute hypoxic exposure. The inflammatory response might be decreased resulting from the repressed TCA cycle. We propose that the ability for oxygen consumption reduction may play an important role in the development of AMS. Our present plasma proteomic study in plateau of the Han Chinese volunteers gives new data to address the development of AMS and potential AMS correlative biomarkers.

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