Up-regulation of Toll-like receptors 2, 3 and 4 in allergic rhinitis
Abstract Background Toll-like receptors enable the host to recognize a large number of pathogen-associated molecular patterns such as bacterial lipopolysaccharide, viral RNA, CpG-containing DNA and flagellin.Toll-like receptors have also been shown to play a pivotal role in both innate and adaptive immune responses.The role of Toll-like receptors a