Molecules 2012, 17(10), 12406-12426; doi:10.3390/molecules171012406
Article

The Effect of Curcumin on Human Bronchial Epithelial Cells Exposed to Fine Particulate Matter: A Predictive Analysis

1,†email, 2,†email, 2email, 2email, 3,* email and 2,4,* email
1 Institute of Basic Theory, China Academy of Chinese Medical Sciences, No.16 Nanxiaojie, Dongzhimennei, Beijing 100700, China 2 Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, No.16 Nanxiaojie, Dongzhimennei, Beijing 100700, China 3 Functional Genomics & Proteomics Laboratory, Osteoporosis Research Center, Creighton University Medical Center, 601N 30th ST, Suite 6730, Omaha, NE 68131, USA 4 School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong, China These authors contributed equally to this work.
* Authors to whom correspondence should be addressed.
Received: 12 July 2012; in revised form: 15 October 2012 / Accepted: 16 October 2012 / Published: 22 October 2012
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Abstract: Fine particulate matter (PM2.5) has been associated in humans with inflammation, oxidative stress and cancer. Studies had shown that curcumin could potentially inhibit these effects; however, there had been no in vivo or in vitro reports about the effects of curcumin on organisms exposed to PM2.5. This predictive study explored the possible biological functions and pathways involved in the mechanism of curcumin inhibition of the hazardous effects of PM2.5. For predictive analysis, microarray data were used to investigate the effect of PM2.5 on human bronchial epithelial cells (HBEC), and human target proteins of curcumin were retrieved from PubChem. Two protein-protein interaction (PPI) networks were established based upon differential genes and target proteins, respectively, and the common network of these two networks was found. Functional and pathway analysis of the common network was performed using the Ingenuity Pathways Analysis (IPA) software. The results suggested that the predictive effects of curcumin on HBEC exposed to PM2.5 were involved in bio-functions, including inflammatory response of airway, cancerogenesis, and apoptosis, and in pathways such as cancer, glucocorticoid receptor signaling, and NF-kappaB signaling. This study predicted for the first time that curcumin could be a potential therapeutic agent for protecting the human airway from the hazardous effects of PM2.5.
Keywords: curcumin; fine particulate matter; protein-protein interaction network; bioinformatics prediction; pathway analysis

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MDPI and ACS Style

Zhang, Z.; Niu, X.; Lu, C.; Jiang, M.; Xiao, G.G.; Lu, A. The Effect of Curcumin on Human Bronchial Epithelial Cells Exposed to Fine Particulate Matter: A Predictive Analysis. Molecules 2012, 17, 12406-12426.

AMA Style

Zhang Z, Niu X, Lu C, Jiang M, Xiao GG, Lu A. The Effect of Curcumin on Human Bronchial Epithelial Cells Exposed to Fine Particulate Matter: A Predictive Analysis. Molecules. 2012; 17(10):12406-12426.

Chicago/Turabian Style

Zhang, Zhiguo; Niu, Xuyan; Lu, Cheng; Jiang, Miao; Xiao, Gary G.; Lu, Aiping. 2012. "The Effect of Curcumin on Human Bronchial Epithelial Cells Exposed to Fine Particulate Matter: A Predictive Analysis." Molecules 17, no. 10: 12406-12426.

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