Antibodies against nonstructural protein 1 protect mice from dengue virus-induced mast cell activation

Ya Ting Chu, Shu Wen Wan, Yu Chang Chang, Chien Kuo Lee, Betty A. Wu-Hsieh, Robert Anderson, Yee-Shin Lin

研究成果: Article

7 引文 (Scopus)

摘要

Dengue virus (DENV) infection causes dengue fever, dengue hemorrhagic fever (DHF), and dengue shock syndrome (DSS). DHF/DSS patients have been reported to have increased levels of urinary histamine, chymase, and tryptase, which are major granule-associated mediators from mast cells. Previous studies also showed that DENV-infected human mast cells induce production of proinflammatory cytokines and chemokines, suggesting a role played by mast cells in vascular perturbation as well as leukocyte recruitment. In this study, we show that DENV but not UV-inactivated DENV enhanced degranulation of mast cells and production of chemokines (MCP-1, RANTES, and IP-10) in a mouse model. We have previously shown that antibodies (Abs) against a modified DENV nonstructural protein 1 (NS1), designated DJ NS1, provide protection in mice against DENV challenge. In the present study, we investigate the effects of DJ NS1 Abs on mast cell-associated activities. We showed that administration of anti-DJ NS1 Abs into mice resulted in a reduction of mast cell degranulation and macrophage infiltration at local skin DENV infection sites. The production of DENV-induced chemokines (MCP-1, RANTES, and IP-10) and the percentages of tryptase-positive activated mast cells were also reduced by treatment with anti-DJ NS1 Abs. These results indicate that Abs against NS1 protein provide multiple therapeutic benefits, some of which involve modulating DENV-induced mast cell activation.

原文English
頁(從 - 到)602-614
頁數13
期刊Laboratory Investigation
97
發行號5
DOIs
出版狀態Published - 2017 五月 1

指紋

Dengue Virus
Mast Cells
Severe Dengue
Antibodies
Proteins
Chemokines
Tryptases
Chemokine CCL5
Virus Diseases
Chymases
Cell Degranulation
Dengue
Histamine
Blood Vessels
Leukocytes
Macrophages
Cytokines
Skin
Protein Deglycase DJ-1

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Molecular Biology
  • Cell Biology

引用此文

Chu, Ya Ting ; Wan, Shu Wen ; Chang, Yu Chang ; Lee, Chien Kuo ; Wu-Hsieh, Betty A. ; Anderson, Robert ; Lin, Yee-Shin. / Antibodies against nonstructural protein 1 protect mice from dengue virus-induced mast cell activation. 於: Laboratory Investigation. 2017 ; 卷 97, 編號 5. 頁 602-614.
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Antibodies against nonstructural protein 1 protect mice from dengue virus-induced mast cell activation. / Chu, Ya Ting; Wan, Shu Wen; Chang, Yu Chang; Lee, Chien Kuo; Wu-Hsieh, Betty A.; Anderson, Robert; Lin, Yee-Shin.

於: Laboratory Investigation, 卷 97, 編號 5, 01.05.2017, p. 602-614.

研究成果: Article

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