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- aggregation classification "A1".
- aggregation creator B438429.
- aggregation creator B438430.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2012".
- aggregation format "application/pdf".
- aggregation hasFormat 3022105.bibtex.
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- aggregation hasFormat 3022105.doc.
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- aggregation hasFormat 3022105.txt.
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- aggregation hasFormat 3022105.yaml.
- aggregation isPartOf urn:issn:0105-4538.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Medicine and Health Sciences".
- aggregation title "Local free light chain expression is increased in chronic rhinosinusitis with nasal polyps".
- aggregation abstract "Background Free light chain (FLC) concentrations are demonstrated to be increased in different inflammatory disorders and are proposed to mediate mast celldependent immune responses. A role for mast cells is suggested in chronic rhinosinusitis with nasal polyposis (CRSwNP), which is characterized by a local Th2 inflammatory response. However, clear mast cellactivating factors are not always apparent. In this study, the presence of FLCs in CRS patients with or without nasal polyps (CRSw/sNP) was investigated and the effect of different treatments on FLC expression was analyzed. Methods Nasal tissue, nasal secretion, and serum of control patients, patients with CRSwNP, and CRSsNP were analyzed for the presence of kappa and lambda FLC. The expression of FLCs in nasal polyp tissue was investigated using immunohistochemistry. In addition, FLC was measured in serum and nasal secretion of nasal polyp patients treated with methylprednisolone, doxycycline, anti-IL-5, or placebo. Results Free light chain concentrations were increased in nasal secretion and mucosal tissue homogenates in patients with chronic rhinosinusitis, and this effect was most prominent in CRSwNP patients. Immunohistochemical analysis confirmed the increased FLC concentrations in nasal polyp tissue. In CRSwNP patients, treatment with methylprednisolone or anti-IL-5 resulted in the reduction in systemic or local FLC concentrations, respectively. Conclusion The presence of FLC in CRSwNP and CRSsNP suggests a possible role in mediating the local immune reaction in the paranasal cavities. Furthermore, the decrease in local FLCs after treatment with anti-IL-5 presumes that IL-5 creates an environment that favors FLC production.".
- aggregation authorList BK764837.
- aggregation endPage "1172".
- aggregation issue "9".
- aggregation startPage "1165".
- aggregation volume "67".
- aggregation aggregates 3028234.
- aggregation isDescribedBy 3022105.
- aggregation similarTo j.1398-9995.2012.02866.x.
- aggregation similarTo LU-3022105.