Correlation between nasal nitric oxide and its metabolites, RANTES, IL-5 in allergic rhinitis

Tao Zheng, Sen Min Jung, Hee Jeong Kang, Hyung Gu Kim, Jae Ho Chung, Jin Hyeok Jeong

Research output: Contribution to journalArticlepeer-review

Abstract

There have been two measurement methods for nasal nitric oxide (nNO): direct measurement of nNO and indirect measurement of NO metabolites or the NO synthase enzyme. The aim of this study is to investigate the difference in nNO between allergic rhinitis (AR) patients and the correlation of the direct measurement of nNO and indirect measurement of nNO metabolites, RANTES, and IL-5. Fifteen patients with AR, 15 patients with septal deviation as a control group were enrolled. We measured the nNO level using a chemiluminescence analyzer and the amount of NO metabolites, RANTES, and IL-5 in nasal lavage fluid using the ELISA method. Nasal NO levels were significantly higher in AR than the control (195.7 ± 39.6 vs 159.4 ± 25.8 ppb, P = 0.027). NO metabolites, IL-5, and RANTES levels were higher in AR, but there was no statistically significant difference. There was no significant correlation between nNO and nNO metabolites, RANTES, IL-5, and clinical parameters except for the olfactory test score in AR. There was a negative correlation between nNO and the olfactory test score in AR (r = −0.590, P = 0.034). Nasal NO concentration increased in AR. However, nNO metabolites and IL-5, RANTES in nasal secretion did not show any correlation with nNO. Direct measurement of nNO could be a potentially useful biomarker of AR compared to indirect measurement of NO metabolites, cytokines, and chemokines in nasal secretion.

Original languageEnglish
JournalEuropean Journal of Inflammation
Volume19
DOIs
StatePublished - 2021

Keywords

  • IL-5
  • RANTES
  • allergic rhinitis
  • exhaled nitric oxide
  • metabolite
  • nasal nitric oxide
  • nasal secretion
  • nitrate
  • nitric oxide
  • nitrite

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