The purpose of this research is to investigate the effects of sodium houttuyfonate on the phosphorylation of CaMK II, CREB and ERK 1/2, and the expression of c-Fos. Macrophages were cultured in vitro with or without sodium houttuyfonate in the culture medium. After cell culture, macrophages were lysed and the lysate of the macrophages was collected for analysis. Western-blotting method was adopted to investigate the phosphorylation or the expression of these signal elements. It was found in this research that the phosphorylation levels of CaMK II and CREB and the expression of c-Fos protein in macrophages were increased by sodium houttuyfonate treatment; however, the phosphorylation level of ERK 1/2 was not affected by the treatment.
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