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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Synchrotron microradiography study on acute lung injury of mouse caused by PM(2.5) aerosols.

In order to investigate FeSO(4), ZnSO(4) (the two of main metal compositions of Shanghai PM(2.5) (particle matter with those aerodynamical diameter <2.5mum)) effects on acute lung injury, six solutions contained PM(2.5) aerosol particles, FeSO(4), ZnSO(4) and their mixtures were instilled intratracheally into mouse lungs for experiment. By 2 days after instillation, the live mice were checked in vivo by synchrotron refractive index microradiography. In addition after extracted and examined by dissection, the right lobes of lung were fixed by formalin, then imaged by synchrotron microradiography again. Corresponding parts of those lung tissues were embedded in paraffin for histopathologic study. The synchrotron X-ray microradiographs of live mouse lung showed different lung texture changes after instilled with different toxic solutions. Hemorrhage points in lung were observed more from those mice instilled by FeSO(4) contained toxin solutions groups. Bronchial epithelial hyperplasia can be observed in ZnSO(4) contained solution-instilled groups from histopathologic analysis. It was found that the acute lung injury of mice caused by solution of PM(2.5)+FeSO(4)+ZnSO(4) was more serious than other toxin solutions. Results suggested that FeSO(4) mainly induced hemorrhage and ZnSO(4) mainly induced inflammation and bronchiolar epithelial hyperplasia in the early toxicological effects of PM(2.5).[1]


  1. Synchrotron microradiography study on acute lung injury of mouse caused by PM(2.5) aerosols. Tong, Y., Zhang, G., Li, Y., Tan, M., Wang, W., Chen, J., Hwu, Y., Hsu, P.C., Je, J.H., Margaritondo, G., Song, W., Jiang, R., Jiang, Z. European journal of radiology. (2006) [Pubmed]
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