Dendritic Cells and Cytokine Production in Human Induces Maturation Campylobacter jejuni
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تاثیر مایع رویی سلول های اپیتلیال پوست و اندوتلیال ورید ناف انسان، در القای بلوغ سلول های دندریتیک نوع یک
Introduction: Dendritic cells have a high potential in presentation of antigens and can be generated and manipulated in invitro culture conditions. Dendritic cells(DC) are therefore used in cancer immunotherapy, in prevention of graft rejection, treatment of allergy, autoimmune diseases and certain infectious diseases. Methods: Dendritic cell was generated in two stages. IN the first stage, m...
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In Guillain-Barré syndrome (GBS), ganglioside mimicry of Campylobacter jejuni lipo-oligosaccharide (LOS) drives the production of cross-reactive Abs to peripheral nerve gangliosides. We determined whether sialic acid residues in C. jejuni LOS modulate dendritic cell (DC) activation and subsequent B cell proliferation as a possible mechanism for the aberrant humoral immune response in GBS. Highl...
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Campylobacter jejuni is a major cause of human inflammatory enteritis, but colonizes the gastrointestinal tract of poultry to a high level in a commensal manner. In vitro, C. jejuni induces the production of cytokines from both human and avian-model epithelial cell and macrophage infections. This suggests that, in vivo, Campylobacter could induce proinflammatory signals in both hosts. We invest...
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Limited information is available on the molecular mechanisms associated with Campylobacter jejuni (C. jejuni) induced food-borne diarrheal illnesses. In this study, we investigated the function of TLR/NF-kappaB signaling in C. jejuni induced pathogenesis using gnotobiotic IL-10(-/-); NF-kappaB(EGFP) mice. In vitro analysis showed that C. jejuni induced IkappaB phosphorylation, followed by enhan...
متن کاملDelineation of the Innate and Adaptive T-Cell Immune Outcome in the Human Host in Response to Campylobacter jejuni Infection
BACKGROUND Campylobacter jejuni is the most prevalent cause of bacterial gastroenteritis worldwide. Despite the significant health burden this infection presents, molecular understanding of C. jejuni-mediated disease pathogenesis remains poorly defined. Here, we report the characterisation of the early, innate immune response to C. jejuni using an ex-vivo human gut model of infection. Secondly,...
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تاریخ انتشار 2006