Correlation between Serum Levels of Anti-Endothelial Cell Autoantigen and Anti-Dengue Virus Nonstructural Protein 1 Antibodies in Dengue Patients

被引:17
作者
Cheng, Hsien-Jen [3 ]
Luo, Yueh-Hsia [3 ]
Wan, Shu-Wen [4 ]
Lin, Chiou-Feng [1 ,5 ]
Wang, Shan-Tair [6 ]
Nguyen Thanh Hung [2 ]
Liu, Ching-Chuan [7 ]
Ho, Tzong-Shiann [7 ]
Liu, Hsiao-Sheng [4 ]
Yeh, Trai-Ming [8 ]
Lin, Yee-Shin [4 ]
机构
[1] Taipei Med Univ, Coll Med, Dept Microbiol & Immunol, Taipei, Taiwan
[2] Childrens Hosp 1, Dept Dengue Hemorrhag Fever, Ho Chi Minh City, Vietnam
[3] Natl Cheng Kung Univ, Coll Med, Inst Basic Med Sci, Tainan 70101, Taiwan
[4] Natl Cheng Kung Univ, Coll Med, Dept Microbiol & Immunol, Tainan 70101, Taiwan
[5] Natl Cheng Kung Univ, Coll Med, Inst Clin Med, Tainan 70101, Taiwan
[6] Natl Cheng Kung Univ, Coll Med, Inst Gerontol, Tainan 70101, Taiwan
[7] Natl Cheng Kung Univ, Coll Med, Dept Pediat, Tainan 70101, Taiwan
[8] Natl Cheng Kung Univ, Coll Med, Dept Med Lab Sci & Biotechnol, Tainan 70101, Taiwan
关键词
MOLECULAR MIMICRY; BYSTANDER ACTIVATION; HEMORRHAGIC-FEVER; ENDOTHELIAL-CELLS; CROSS-REACT; DISEASE; VACCINE; HOST; INFECTION; CYTOKINE;
D O I
10.4269/ajtmh.14-0162
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
We have previously shown that anti dengue virus nonstructural protein 1 (anti-DENV NS1) antibodies cross-react with endothelial cells, and several autoantigens have been identified. This study shows that the antibody levels against these self-proteins are higher in sera from patients with dengue hemorrhagic fever (DHF) than those in control sera. Anti protein disulfide isomerase (PDI) and anti heat shock protein 60 (anti-HSP60) IgM levels correlated with both anti endothelial cells and anti-DENV NS1 IgM titers. A cross-reactive epitope on the NS1 amino acid residues 311-330 (P311-330) had been predicted. We further found that there were higher IgM and IgG levels against P311-330 in DHF patients' sera than those in the control sera. In addition, correlations were observed between anti-PDI with anti-P31 P311-330 IgM and IgG levels, respectively. Therefore, our results indicate that DENV NS1 P311-330 is a major epitope for cross-reactive antibodies to PDI on the endothelial cell surface, which may play an important role in DENV infection induced autoimmunity.
引用
收藏
页码:989 / 995
页数:7
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