Arid
DOI10.1021/ac302174y
Formation of a Stable Mimic of Ambient Particulate Matter Containing Viable Infectious Respiratory Syncytial Virus and Its Dry-Deposition Directly onto Cell Cultures
Cruz-Sanchez, Teresita M.1; Haddrell, Allen E.1; Hackett, Tillie L.2,3; Singhera, Gurpreet K.2; Marchant, David2; Lekivetz, Ryan4; Meredith, Anna2; Horne, Derrick5; Knight, Darryl A.2,3; van Eeden, Stephen F.2; Bai, Tony R.2; Hegele, Richard G.6; Dorscheid, Delbert R.2; Agnes, George R.1
通讯作者Agnes, George R.
来源期刊ANALYTICAL CHEMISTRY
ISSN0003-2700
出版年2013
卷号85期号:2页码:898-906
英文摘要

Epidemiological associations of worse respiratory outcomes from combined exposure to ambient particulate matter (PM) and respiratory viral infection suggest possible interactions between PM and viruses. To characterize outcomes of such exposures, we developed an in vitro mimic of the in vivo event of exposure to PM contaminated with respiratory syncytial virus (RSV). Concentration of infectious RSV stocks and a particle levitation apparatus were the foundations of the methodology developed to generate specific numbers of PM mimics (PMMimics) of known composition for dry, direct deposition onto airway epithelial cell cultures. Three types of PMMimics were generated for this study: (i) carbon alone (P-C), (ii) carbon and infectious RSV (PC+RSV), and (iii) aerosols consisting of RSV (A(RSV)). PC+RSV were stable in solution and harbored infectious RSV for up to 6 months. Unlike A(RSV) infection, PC+RSV infection was found to be dynamin dependent and to cause lysosomal rupture. Cells dosed with PMMimics comprised of RSV (A(RSV)), carbon (P-C), or RSV and carbon (PC+RSV) responded differentially as exemplified by the secretion patterns of IL-6 and IL-8. Upon infection, and prior to lung cell death due to viral infection, regression analysis of these two mediators in response to incubation with A(RSV), P-C, or PC+RSV yielded higher concentrations upon infection with the latter and at earlier time points than the other PMMimcs. In conclusion, this platform provides an approach to study the combined effects of PM-viral interactions and airway epithelial exposures in the pathogenesis of respiratory diseases involving inhalation of environmental agents.


类型Article
语种英语
国家Canada
收录类别SCI-E
WOS记录号WOS:000313668400037
WOS关键词AIR-POLLUTION ; VIRAL-INFECTION ; LUNG-CELLS ; DIFFERENTIAL EXPRESSION ; LACTATE-DEHYDROGENASE ; EPITHELIAL-CELLS ; UNITED-STATES ; DESERT DUST ; IN-VITRO ; INFLUENZA
WOS类目Chemistry, Analytical
WOS研究方向Chemistry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/175692
作者单位1.Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada;
2.Univ British Columbia, St Pauls Hosp, Providence Heart Lung Inst, James Hogg Res Ctr, Vancouver, BC V6Z 1Y6, Canada;
3.Univ British Columbia, Dept Anesthesiol Pharmacol & Therapeut, Vancouver, BC V6T 1Z3, Canada;
4.Simon Fraser Univ, Dept Stat, Burnaby, BC V5A 1S6, Canada;
5.Univ British Columbia, UBC BioImaging Facil, Dept Bot, Vancouver, BC V6T 1Z4, Canada;
6.Univ Toronto, Dept Lab Med & Pathobiol, Toronto, ON M5S 1A8, Canada
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Cruz-Sanchez, Teresita M.,Haddrell, Allen E.,Hackett, Tillie L.,et al. Formation of a Stable Mimic of Ambient Particulate Matter Containing Viable Infectious Respiratory Syncytial Virus and Its Dry-Deposition Directly onto Cell Cultures[J],2013,85(2):898-906.
APA Cruz-Sanchez, Teresita M..,Haddrell, Allen E..,Hackett, Tillie L..,Singhera, Gurpreet K..,Marchant, David.,...&Agnes, George R..(2013).Formation of a Stable Mimic of Ambient Particulate Matter Containing Viable Infectious Respiratory Syncytial Virus and Its Dry-Deposition Directly onto Cell Cultures.ANALYTICAL CHEMISTRY,85(2),898-906.
MLA Cruz-Sanchez, Teresita M.,et al."Formation of a Stable Mimic of Ambient Particulate Matter Containing Viable Infectious Respiratory Syncytial Virus and Its Dry-Deposition Directly onto Cell Cultures".ANALYTICAL CHEMISTRY 85.2(2013):898-906.
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