Volume 21 Issue 1
Feb.  2008
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NING-HUA HUANG, QIN WANG, DONG-QUN XU. Immunological Effect of PM2.5 on Cytokine Production in Female Wistar Rats1[J]. Biomedical and Environmental Sciences, 2008, 21(1): 63-68.
Citation: NING-HUA HUANG, QIN WANG, DONG-QUN XU. Immunological Effect of PM2.5 on Cytokine Production in Female Wistar Rats1[J]. Biomedical and Environmental Sciences, 2008, 21(1): 63-68.

Immunological Effect of PM2.5 on Cytokine Production in Female Wistar Rats1

Funds:  国家自然科学基金(20077033)
  • Objective To investigate the immunological effect of PM2.5 on cytokine production in female Wistar rats.Methods Female Wistzr rats were given 0.3 mg,0.75 mg,2 mg,5 mg of PM2.5 per 0.5mL saline,respectively.Saline was used as the negative control.TNF-α and IL-6 levels in the branchoalveolar lavage were measured by ELISA,and mRNA expression leveIs in lung tissue were detected bv RT-PCR.Alveolar macrophages were collected for testing phogacytic function. Results Exposure to PM2.5 stimulated TNF-α production in a dose-dependent manner(P<0.05),However,no statistically significant difference was found.No time-dependent change in TNF-α and IL-6 production Was found.TNF-α and IL-6 mRNA expressions were induced by PM2.5-exposure.The phagocytic rate(PR)was significantly decreased by PM2.5 treatment.Conclusion PM2.5 exposure increases inflammation response of the lung in a dose-dependent mauuer.Moreover,tissue injury induced by PM2.5 may be related to altered production of cytokines.PM2.5 may impair the phagocytic activity of alveolar macrophages.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Immunological Effect of PM2.5 on Cytokine Production in Female Wistar Rats1

Funds:  国家自然科学基金(20077033)

Abstract: Objective To investigate the immunological effect of PM2.5 on cytokine production in female Wistar rats.Methods Female Wistzr rats were given 0.3 mg,0.75 mg,2 mg,5 mg of PM2.5 per 0.5mL saline,respectively.Saline was used as the negative control.TNF-α and IL-6 levels in the branchoalveolar lavage were measured by ELISA,and mRNA expression leveIs in lung tissue were detected bv RT-PCR.Alveolar macrophages were collected for testing phogacytic function. Results Exposure to PM2.5 stimulated TNF-α production in a dose-dependent manner(P<0.05),However,no statistically significant difference was found.No time-dependent change in TNF-α and IL-6 production Was found.TNF-α and IL-6 mRNA expressions were induced by PM2.5-exposure.The phagocytic rate(PR)was significantly decreased by PM2.5 treatment.Conclusion PM2.5 exposure increases inflammation response of the lung in a dose-dependent mauuer.Moreover,tissue injury induced by PM2.5 may be related to altered production of cytokines.PM2.5 may impair the phagocytic activity of alveolar macrophages.

NING-HUA HUANG, QIN WANG, DONG-QUN XU. Immunological Effect of PM2.5 on Cytokine Production in Female Wistar Rats1[J]. Biomedical and Environmental Sciences, 2008, 21(1): 63-68.
Citation: NING-HUA HUANG, QIN WANG, DONG-QUN XU. Immunological Effect of PM2.5 on Cytokine Production in Female Wistar Rats1[J]. Biomedical and Environmental Sciences, 2008, 21(1): 63-68.

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