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Articles by Jian Liang
Total Records ( 2 ) for Jian Liang
  Donglin Wang , Jian Liang , Yusheng Jia and Xin Guo
  According to the Hefei subway deep foundation pit engineering, this study expounds the pile-anchor supporting scheme of prestressed anchor cable layout optimization. Combined with the actual situation of engineering, numerical simulation was carryed out by using FLAC3D software. The four different layout of prestressed anchor cable is used for simulation analysis, Detailed to carry out the horizontal displacement of the pile and anchor axial force analysis, discuss the anchor cable layout optimization. Calculation results provide a reference for support scheme of similar large deep foundation pit.
  Jian Liang , Jing Wang , Asim Azfer , Wenjun Song , Gail Tromp , Pappachan E. Kolattukudy and Mingui Fu
  Activated macrophages play an important role in many inflammatory diseases. However, the molecular mechanisms controlling macrophage activation are not completely understood. Here we report that a novel CCCH-zinc finger protein family, MCPIP1, 2, 3, and 4, encoded by four genes, Zc3h12a, Zc3h12b, Zc3h12c, and Zc3h12d, respectively, regulates macrophage activation. Northern blot analysis revealed that the expression of MCPIP1 and MCPIP3 was highly induced in macrophages in response to treatment with lipopolysaccharide (LPS). Although not affecting cell surface marker expression and phagocytotic function, overexpression of MCPIP1 significantly blunted LPS-induced inflammatory cytokine and Formula production as well as their gene expression. Conversely, short interfering RNA-mediated reduction in MCPIP1 augmented LPS-induced inflammatory gene expression. Further studies demonstrated that MCPIP1 did not directly affect the mRNA stability of tumor necrosis factor α and monocyte chemoattractant protein 1 (MCP-1) but strongly inhibited LPS-induced tumor necrosis factor α and inducible nitric-oxide synthase promoter activation. Moreover, we found that forced expression of MCPIP1 significantly inhibited LPS-induced nuclear factor-κB activation. These results identify MCP-induced proteins, a novel CCCH-zinc finger protein family, as negative regulators in macrophage activation and may implicate them in host immunity and inflammatory diseases.
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