title: [Analysis of the level and significance of immunoglobulin free light chain in nasal secretion and in serum of patients with allergic rhinitis and non-allergic rhinitis].
abstract: OBJECTIVE
  To test the immunoglobulin free light chain (FLC) from nasal secretion(s) and serum of patients with allergic rhinitis and non-allergic rhinitis for the purpose of exploring the possible immunological mechanism.
  
  
  METHODS
  Sixty consecutive patients were selected between September and December in 2009, involving 30 patients with allergic rhinitis and 30 patients with non-allergic rhinitis, diagnosed by symptoms, signs, SPT and sIgE. Thirty volunteers was chosen as health control (HC). ELISA was used to detect the total IgE, eosinophil cationic protein (ECP), mast cell tryptase (MCT), κFLC, λFLC in nasal secretion and serum. The data was statistically analyzed by SPSS 17.0 software.
  
  
  RESULTS
  According to the VAS scores, the nasal symptoms of AR and NAR, including sneeze, nasal discharge, nasal obstruction and nasal itching were compared. There was no statistical difference (t value was 1.189, 0.741, 0.758, 0.797, respectively, P < 0.5); In serum, κFLC, λFLC, IgE, ECP & MCT were increased in NAR compared to HC (P < 0.05); λFLC was increased in NAR compared to AR group (P < 0.05), κFLC and ECP were increased in AR. There was no significant difference between AR and NAR (P < 0.05); In nasal secretion, κFLC, λFLC, IgE, ECP and MCT were increased in AR and NAR compared to HC, and the ECP and IgE were significantly increased in AR compared to NAR (P < 0.05). ; In nasal secretion, the FLCs revealed a significantly higher correlation with MCT (r value was 0.518 and 0.484, P < 0.01), and in serum revealed a significant correlation with ECP (r value was 0.343 and 0.342, P < 0.01).
  
  
  CONCLUSIONS
  Immunoglobulin free light chain takes part in the path of physiological process of allergic rhinitis and non-allergic rhinitis with the immunological mechanism.
authors.affiliation: Department of Otorhinolaryngology Head and Neck Surgery, China-Japan Union Hospital of Jilin University, Changchun 130033, China.
authors.forename: Cui-da
authors.initials: CD
authors.lastname: Meng
authors.forename: Zhen
authors.initials: Z
authors.lastname: Dong
authors.forename: Ji-chao
authors.initials: JC
authors.lastname: Sha
authors.forename: Lin
authors.initials: L
authors.lastname: Li
authors.forename: Dong-dong
authors.initials: DD
authors.lastname: Zhu
mesh_terms: D000293:Adolescent; D000328:Adult; D012634:Bodily Secretions / Q000276:immunology; D016022:Case-Control Studies; D047150:Eosinophil Cationic Protein / Q000097:blood / Q000276:immunology; D005260:Female; D006801:Humans; D007073:Immunoglobulin E / Q000097:blood / Q000276:immunology; D007147:Immunoglobulin Light Chains / Q000097:blood / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D009666:Nose / Q000276:immunology; D012220:Rhinitis / Q000097:blood / Q000276:immunology*; D012221:Rhinitis, Allergic, Perennial / Q000097:blood / Q000276:immunology*; D006255:Rhinitis, Allergic, Seasonal / Q000097:blood / Q000276:immunology*; D053802:Tryptases / Q000097:blood / Q000276:immunology; D055815:Young Adult
chemical_list: D007147:Immunoglobulin Light Chains; D007073:Immunoglobulin E; D047150:Eosinophil Cationic Protein; D053802:Tryptases