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Effects of Size-Fractionated Particulate Matter on Cellular Oxidant Radical Generation in Human Bronchial Epithelial BEAS-2B Cells

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  • Longfei Guan

    (Laboratory of Environment and Health, College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Wei Rui

    (Laboratory of Environment and Health, College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Ru Bai

    (Laboratory of Environment and Health, College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Wei Zhang

    (Laboratory of Environment and Health, College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Fang Zhang

    (Laboratory of Environment and Health, College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Wenjun Ding

    (Laboratory of Environment and Health, College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China)

Abstract

The aim of the present study was to investigate the effects of size-fractionated ( i.e. , <1; 1–2.5, and 2.5–10 µm in an aerodynamic diameter) ambient particulate matter (PM) on reactive oxygen species (ROS) activity and cell viability in human bronchial epithelial cells (BEAS-2B). The PM samples were collected from an urban site (uPM) in Beijing and a steel factory site (sPM) in Anshan, China, from March 2013 to December 2014. Metal elements, organic and elemental carbon, and water-soluble inorganic ions in the uPM and sPM were analyzed. The cell viability and ROS generation in PM-exposed BEAS-2B cells were measured by MTS and DCFH-DA. The results showed that both uPM and sPM caused a decrease in the cell viability and an increase in ROS generation. The level of ROS measured in sPM 1.0 was approximately triple that in uPM 1.0 . The results of correlation analysis showed that the ROS activity and cytotoxicity were related to different PM composition. Moreover, deferoxamine (DFO) significantly prevented the increase of ROS generation and the decrease of cell viability. Taken together, our results suggest that the metals absorbed on PM induced oxidant radical generation in BEAS-2B cells that could lead to impairment of pulmonary function.

Suggested Citation

  • Longfei Guan & Wei Rui & Ru Bai & Wei Zhang & Fang Zhang & Wenjun Ding, 2016. "Effects of Size-Fractionated Particulate Matter on Cellular Oxidant Radical Generation in Human Bronchial Epithelial BEAS-2B Cells," IJERPH, MDPI, vol. 13(5), pages 1-14, May.
  • Handle: RePEc:gam:jijerp:v:13:y:2016:i:5:p:483-:d:69773
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    References listed on IDEAS

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    1. Ru-Jin Huang & Yanlin Zhang & Carlo Bozzetti & Kin-Fai Ho & Jun-Ji Cao & Yongming Han & Kaspar R. Daellenbach & Jay G. Slowik & Stephen M. Platt & Francesco Canonaco & Peter Zotter & Robert Wolf & Sim, 2014. "High secondary aerosol contribution to particulate pollution during haze events in China," Nature, Nature, vol. 514(7521), pages 218-222, October.
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    Cited by:

    1. Ao Di & Yun Wu & Mindong Chen & Dongyang Nie & Xinlei Ge, 2020. "Chemical Characterization of Seasonal PM 2.5 Samples and Their Cytotoxicity in Human Lung Epithelial Cells (A549)," IJERPH, MDPI, vol. 17(12), pages 1-13, June.
    2. Yun Wu & Mei Wang & Shaojuan Luo & Yunfeng Gu & Dongyang Nie & Zhiyang Xu & Yue Wu & Mindong Chen & Xinlei Ge, 2020. "Comparative Toxic Effects of Manufactured Nanoparticles and Atmospheric Particulate Matter in Human Lung Epithelial Cells," IJERPH, MDPI, vol. 18(1), pages 1-12, December.

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