Title : Neutralization of interleukin-1 beta attenuates silica-induced lung inflammation and fibrosis in C57BL/6 mice.

Pub. Date : 2013 Nov

PMID : 23640035






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1 Neutralization of interleukin-1 beta attenuates silica-induced lung inflammation and fibrosis in C57BL/6 mice. Silicon Dioxide interleukin 1 beta Mus musculus
2 Interleukin-1 beta (IL-1beta) plays an important role in silica-induced lung inflammation, but the mechanisms that underlie the influence of IL-1beta on the progression of silicosis remain unclear. Silicon Dioxide interleukin 1 beta Mus musculus
3 Interleukin-1 beta (IL-1beta) plays an important role in silica-induced lung inflammation, but the mechanisms that underlie the influence of IL-1beta on the progression of silicosis remain unclear. Silicon Dioxide interleukin 1 beta Mus musculus
4 In this study, the role of IL-1beta in silica-induced inflammation and fibrosis was evaluated by administering a suspension of 2.5-mg silica dust, either with or without 40 mug anti-mouse IL-1beta monoclonal antibody (mAb), to the lungs of male C57BL/6 mice. Silicon Dioxide interleukin 1 beta Mus musculus
5 Silica + anti-IL-1beta mAb-treated mice showed the depletion of IL-1beta as well as the attenuation of inflammation, as evaluated in the bronchoalveolar lavage fluid (BALF) and histological sections from 1 to 84 days after silica exposure. Silicon Dioxide interleukin 1 beta Mus musculus
6 Silica + anti-IL-1beta mAb-treated mice showed the depletion of IL-1beta as well as the attenuation of inflammation, as evaluated in the bronchoalveolar lavage fluid (BALF) and histological sections from 1 to 84 days after silica exposure. Silicon Dioxide interleukin 1 beta Mus musculus
7 Silica + anti-IL-1beta mAb-treated mice showed the depletion of IL-1beta as well as the attenuation of inflammation, as evaluated in the bronchoalveolar lavage fluid (BALF) and histological sections from 1 to 84 days after silica exposure. Silicon Dioxide interleukin 1 beta Mus musculus
8 The real-time PCR and pathology results showed that the neutralization of IL-1beta attenuated silica-induced fibrosis by inhibiting the gene expression of transforming growth factor-beta 1, collagen I and fibronectin. Silicon Dioxide interleukin 1 beta Mus musculus
9 In conclusion, the present study suggests that the neutralization of IL-1beta attenuates silica-induced inflammation and fibrosis by inhibiting other inflammatory and fibrogenic mediators and modulating the Th1/Th2 balance. Silicon Dioxide interleukin 1 beta Mus musculus