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Toll like receptor 4 (TLR4) has been characterized for its ability to recognize bacterial endotoxin lipopolysaccharide (LPS). Considering that infections or inflammatory processes might contribute to the progression of pituitary tumors, we analyzed the TLR4 functional role by evaluating the LPS effect on lactotroph proliferation in primary cultures from experimental pituitary tumors, and examined...
Conjunctival epithelial cells serve as a first line of defense against pathogens presented to the innate immune system. The inflammatory response to Gram-negative bacteria is initiated by toll-like receptor 4 (TLR4). This study investigated whether a TLR4 ligand induces production of inflammatory cytokines in human conjunctival epithelial cells (HCECs) through nuclear factor kappa-B (NF-κB). HCECs...
Hantaan virus (HTNV) infects endothelial cells and is associated with increased vascular permeability during hemorrhagic fever with renal syndrome (HFRS). The pattern of increased vascular permeability is mediated by immune response. Therefore, it is necessary to characterize the mechanism of HTNV involvement in the host's innate immune. In this study, the expression of five toll-like receptors (TLRs)...
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