Xiao Hua1, Yi-Jing Wu2, Xiaoqi Zhang1, Shumin Cheng1,3, Xiao Wang4, Jun Chu 4, Qianli Huang 1,3

School of Food and Biological Engineering, Hefei University of Technology, Anhui, Hefei 230009, China
School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
School of Resources and Environmental Engineering, Hefei University of Technology, Anhui, Hefei 230009, China
Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Traditional Chinese Medicine, Anhui, Hefei 230031, China

Received: August 29, 2018
Revised: September 23, 2018
Accepted: September 23, 2018
Download Citation: ||https://doi.org/10.4209/aaqr.2018.08.0320  

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Cite this article:
Hua, X., Wu, Y.J., Zhang, X., Cheng, S., Wang, X., Chu, J. and Huang, Q. (2018). Analysis on Ambient Volatile Organic Compounds and their Human Gene Targets. Aerosol Air Qual. Res. 18: 2654-2665. https://doi.org/10.4209/aaqr.2018.08.0320



Although some ambient Volatile Organic Compounds (VOCs) have been recognized to influence human health, the functional basis and underlying molecular mechanisms remain obscure. Here, the ambient VOCs and corresponding human genes response to the VOCs (HGRV) were analyzed integratedly from several aspects. (1) Firstly, through identifying composition and connectivity of functional groups within VOCs, we found that there is significant bias in the co-occurrence patterns among the top five frequent groups (respectively methyl, carbon-carbon double bond, benzene ring, chlorine and ethylene). For instances, co-occurrence of chlorine and benzene are considerably frequent, whereas the connection between chlorine and methyl/ethylene occurred rarely. (2) Then, by examining the screened HGRV, it was unveiled that four genes (respectively, IL6BCL2FOS and PTGS2) may act as “hub/hotspots” in response to VOCs. And four types of VOCs (respectively, Acetaldehyde, Butyraldehyde, Formaldehyde and Styrene) were found to be shared stimulators of the hubs. (3) Moreover, three dominant function categories were detected, respectively, response to lipopolysaccharide, response to molecule of bacterial origin and response to oxidative stress. (4) Further, the results disclosed that three most significant pathways are IL-17 signaling pathway, TNF signaling pathway and Rheumatoid arthritis. These three most significantly enriched pathways in HGRV are primarily associated with immune diseases and cancer. (5) Subsequently, by analyzing the diseases potentially associated with HGRV, the results revealed that 50 kinds of diseases might be significantly associated with HGRV. Among them, top 3 significant diseases are Immune system diseases, Cancers and Allergies and autoimmune diseases respectively. And these top 3 diseases might be induced by 13 common VOC species, such as Benzene, Chlorobenzene and Formaldehyde. Thus, the above findings could be useful for advancing our understanding of mechanisms related to diseases by VOCs exposure and development of control strategies to limit their damage or attenuate their sequelae.

Keywords: VOCs; Functional group; Co-occurrence network; Pathway; Enrichment analysis; Disease.


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