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Analysis of differentially expressed serum proteins in patients with allergic rhinitis at the initial stage of rush allergen-specific immunotherapy
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  • yinli jiang,
  • siyi tang,
  • Xinhua Zhu,
  • shuhong wu,
  • yuehui liu,
  • zhaokun wu,
  • qinqin liu,
  • haishen peng
yinli jiang
Nanchang University Second Affiliated Hospital
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siyi tang
Nanchang University Second Affiliated Hospital
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Xinhua Zhu
Nanchang University Second Affiliated Hospital
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shuhong wu
Nanchang University Second Affiliated Hospital
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yuehui liu
Nanchang University Second Affiliated Hospital
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zhaokun wu
Nanchang University Second Affiliated Hospital
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qinqin liu
Nanchang University Second Affiliated Hospital
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haishen peng
Nanchang University Second Affiliated Hospital
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Abstract

Objective: To analyze the differential expression of related serum proteins was detected in patients with AR who were sensitized to dust mites pre- and 6-day post-RIT. Methods: Serum samples were collected from 15 AR, 15 6-day post-RIT and 10 healthy control patients. This analysis was performed using iTRAQ technique and was coupled with 2-dimensional gel electrophoresis and mass spectrometry. To determine the intimacy of the screened related differential proteins, a hierarchical analysis was performed with Cluster 3.0 software, and the results were visualized using Java TreeView software. Last, an ELISA was employed to validate the selected CRP, CTHRC1 and WDR89 protein expression data. Results: Compared with the healthy control group, the most upregulated protein in the AR group and the most downregulated proteins in the 6-day post-RIT group were CTHRC1 and WDR89. Compared with the healthy control group, the most downregulated protein in the AR group and the most upregulated protein of the 6-day post-RIT group was CRP. The serum protein levels of CRP, CTHRC1 and WDR89 proteins were determined by ELISA. It was found that the differential expression of CTHRC1 and WDR89 in the AR and 6-day post-RIT groups were statistically significant (P < 0.05), whereas no statistically significant difference (P > 0.05) was found in the differential expression of serum CRP in the AR and 6-day post-RIT groups. Conclusions: We found that CTHRC1 and WDR89 might be associated with the pathogenesis of AR, and they may play a regulatory role in the RIT.