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mechanism in lipopolysaccharide-induced peritonitis in rats. Am J Pathol 2011,179(6):2822–2834.PubMedCrossRef 28. Kato S, Yuzawa Y, Tsuboi N, Maruyama S, Morita Y, Matsuguchi T, Matsuo S: Endotoxin-induced chemokine expression in murine peritoneal mesothelial cells: the role of toll-like receptor 4. J Am Soc Nephrol 2004,15(5):1289–1299.PubMed Competing interests The authors declare that they have no competing interests. Authors’ contributions XY conceived of the study, participated in its design and coordination LB-100 and helped to draft the manuscript. JWang performed most of the experiments, analyzed data and wrote the manuscript. XRF and YJZ participated in DMXAA mouse western blotting, cell viability assay and helped to perform the statistical

analysis. JJF participated in immunofluorescence assays. JWu participated in cell culture. XHL and RH participated in transfection and bacterial killing assay. ZJL and FXH participated in checking and analyzing data. XQY participated in its design and modified the the manuscript. All authors have read and approved the final manuscript.”
“Background Non-typhoidal Salmonella are one of the leading causes of bacterial foodborne disease in the United States, accounting for over a million human cases each year [1]. Salmonellosis symptoms include diarrhea, fever and abdominal

cramps that occur 12 to 72 hours after infection. Annually, Salmonella Verteporfin clinical trial is responsible for an estimated 20,000 hospitalizations and nearly 400 deaths in the United States, with a financial burden of approximately $3.3 – 4.4 billion [2, 3]. Most infections are transmitted via ingestion of contaminated food and, unlike trends with other bacterial foodborne pathogens, the annual incidence rate of salmonellosis has not significantly declined over the past decade. Since 2006, nearly a fifth of all salmonellosis cases in the United States were caused by Salmonella enterica subsp. enterica serovars Typhimurium (S. Typhimurium) and Heidelberg (S. Heidelberg) [4]. According to the Centers for Disease Control and Prevention, there have already been two outbreaks in 2013 where S. Typhimurium and S. Heidelberg were responsible [5, 6]. To limit and reduce the scope of a Salmonella outbreak, an efficient and robust surveillance system is vital.