title: [The expression of VEGF and the regulation of clarithromycin on it in chronic rhinosinusitis with nasal polys].
abstract: OBJECTIVE
  To investigate the expression of vascular endothelial growth factor in the nasal mucosa of chronic rhinosinusitis with nasal polys patients, and explored the regulation of clarithromycin on VEGF.
  
  
  METHODS
  RT-PCR was used to detect the expression of VEGF in nasal mucosa from healthy control and CRSwNP. Nasal mucosal tissue explant culture measure and ELISA were used to explore the effect of clarithromycin on VEGF expression.
  
  
  RESULTS
  (1) VEGF mRNA expression level was significantly increased in CRSwNP compared with control and showed a statistic difference (P < 0.01). (2) There was a significant decrease in CRSwNP group undergo clarithromycin treatment on protein expression level of VEGF and showed a statistic difference (P < 0.05).
  
  
  CONCLUSIONS
  VEGF were overexpressed in CRSwNP group, which presume that play an important role in the pathogenesis of nasal polyps. Clarithromycin may play a therapeutical role on chronic rhinosinusitis through down-regulated the expression of VEGF.
authors.forename: Shuang
authors.initials: S
authors.lastname: Hu
authors.forename: Xuejun
authors.initials: X
authors.lastname: You
authors.forename: Cuicui
authors.initials: C
authors.lastname: Chen
authors.forename: Zheng
authors.initials: Z
authors.lastname: Liu
authors.forename: Yonghua
authors.initials: Y
authors.lastname: Cui
mesh_terms: D000328:Adult; D002908:Chronic Disease; D017291:Clarithromycin / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008297:Male; D009297:Nasal Mucosa / Q000378:metabolism; D009298:Nasal Polyps / Q000150:complications*; D012220:Rhinitis / Q000150:complications / Q000378:metabolism*; D012852:Sinusitis / Q000150:complications / Q000378:metabolism*; D042461:Vascular Endothelial Growth Factor A / Q000378:metabolism*; D055815:Young Adult
chemical_list: C467484:VEGFA protein, human; D042461:Vascular Endothelial Growth Factor A; D017291:Clarithromycin