期刊
JOURNAL OF BREATH RESEARCH
卷 5, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1752-7155/5/3/037102
关键词
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资金
- European Community [217967]
- Austrian Federal Ministry for Transport, Innovation and Technology (BMVIT/BMWA) [818803]
- Austrian Academy of Sciences at the Breath Research Institute
- Austrian Science Fund (FWF) [Y330]
- Austrian Science Fund (FWF) [Y 330] Funding Source: researchfish
Isoprene is one of the most abundant endogenous volatile organic compounds (VOCs) contained in human breath and is considered to be a potentially useful biomarker for diagnostic and monitoring purposes. However, neither the exact biochemical origin of isoprene nor its physiological role is understood in sufficient depth, thus hindering the validation of breath isoprene tests in clinical routine. Exhaled isoprene concentrations are reported to change under different clinical and physiological conditions, especially in response to enhanced cardiovascular and respiratory activity. Investigating isoprene exhalation kinetics under dynamical exercise helps to gather the relevant experimental information for understanding the gas exchange phenomena associated with this important VOC. The first model for isoprene in exhaled breath has been developed by our research group. In this paper, we aim at giving a concise overview of this model and describe its role in providing supportive evidence for a peripheral (extrahepatic) source of isoprene. In this sense, the results presented here may enable a new perspective on the biochemical processes governing isoprene formation in the human body.
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