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Full-Text Articles in Life Sciences
An Essential Role For Monocyte Chemoattractant Protein-1 In Alcoholic Liver Injury: Regulation Of Proinflammatory Cytokines And Hepatic Steatosis In Mice, Pranoti Mandrekar, Aditya Ambade, Arlene Lim, Gyongyi Szabo, Donna Catalano
An Essential Role For Monocyte Chemoattractant Protein-1 In Alcoholic Liver Injury: Regulation Of Proinflammatory Cytokines And Hepatic Steatosis In Mice, Pranoti Mandrekar, Aditya Ambade, Arlene Lim, Gyongyi Szabo, Donna Catalano
Gyongyi Szabo
The importance of chemokines in alcoholic liver injury has been implicated. The role of the chemokine, monocyte chemoattractant protein-1 (MCP-1), elevated in patients with alcoholic liver disease is not yet understood. Here, we evaluated the pathophysiological significance of MCP-1 and its receptor, chemokine (C-C motif) receptor 2 (CCR2), in alcoholic liver injury. The Leiber-DeCarli diet containing alcohol or isocaloric control diets were fed to wild-type (WT) and MCP-1-deficient knockout (KO) mice for 6 weeks. In vivo and in vitro assays were performed to study the role of MCP-1 in alcoholic liver injury. MCP-1 was increased in Kupffer cells (KCs) as …
Myxoma Virus Induces Type I Interferon Production In Murine Plasmacytoid Dendritic Cells Via A Tlr9/Myd88-, Irf5/Irf7-, And Ifnar-Dependent Pathway, Peihong Dai, Hua Cao, Taha Merghoub, Francesca Avogadri, Weiyi Wang, Tanvi Parikh, Chee-Mun Fang, Paula M. Pitha, Katherine A. Fitzgerald, Masmudur M. Rahman, Grant Mcfadden, Xiaoyu Hu, Alan N. Houghton, Stewart Shuman, Liang Deng
Myxoma Virus Induces Type I Interferon Production In Murine Plasmacytoid Dendritic Cells Via A Tlr9/Myd88-, Irf5/Irf7-, And Ifnar-Dependent Pathway, Peihong Dai, Hua Cao, Taha Merghoub, Francesca Avogadri, Weiyi Wang, Tanvi Parikh, Chee-Mun Fang, Paula M. Pitha, Katherine A. Fitzgerald, Masmudur M. Rahman, Grant Mcfadden, Xiaoyu Hu, Alan N. Houghton, Stewart Shuman, Liang Deng
Katherine A. Fitzgerald
Poxviruses are large DNA viruses that replicate in the cytoplasm of infected cells. Myxoma virus is a rabbit poxvirus that belongs to the Leporipoxvirus genus. It causes a lethal disease called myxomatosis in European rabbits but cannot sustain any detectable infection in nonlagomorphs. Vaccinia virus is a prototypal orthopoxvirus that was used as a vaccine to eradicate smallpox. Myxoma virus is nonpathogenic in mice, whereas systemic infection with vaccinia virus can be lethal even in immunocompetent mice. Plasmacytoid dendritic cells (pDCs) are potent type I interferon (IFN)-producing cells that play important roles in antiviral innate immunity. How poxviruses are sensed …
A Novel Role For The Nlrc4 Inflammasome In Mucosal Defenses Against The Fungal Pathogen Candida Albicans, Jeffrey Tomalka, Sandhya Ganesan, Elaheh Azodi, Krupen Patel, Parth Majmudar, Brian A. Hall, Katherine A. Fitzgerald, Amy G. Hise
A Novel Role For The Nlrc4 Inflammasome In Mucosal Defenses Against The Fungal Pathogen Candida Albicans, Jeffrey Tomalka, Sandhya Ganesan, Elaheh Azodi, Krupen Patel, Parth Majmudar, Brian A. Hall, Katherine A. Fitzgerald, Amy G. Hise
Katherine A. Fitzgerald
Candida sp. are opportunistic fungal pathogens that colonize the skin and oral cavity and, when overgrown under permissive conditions, cause inflammation and disease. Previously, we identified a central role for the NLRP3 inflammasome in regulating IL-1beta production and resistance to dissemination from oral infection with Candida albicans. Here we show that mucosal expression of NLRP3 and NLRC4 is induced by Candida infection, and up-regulation of these molecules is impaired in NLRP3 and NLRC4 deficient mice. Additionally, we reveal a role for the NLRC4 inflammasome in anti-fungal defenses. NLRC4 is important for control of mucosal Candida infection and impacts inflammatory cell …