Role of the 52 KDa thioredoxin protein disulfide isomerase of Toxoplasma gondii during infection to human cells

被引：5
作者：
Moncada, Diego [1 ]
Arenas, Aylan [1 ]
Acosta, Alejandro [1 ]
Molina, Diego [1 ]
Hernandez, Alejandro [1 ]
Cardona, Nestor [1 ]
Gomez-Yepes, Monica [1 ]
Gomez-Marin, Jorge E. [1 ]
机构：
[1] Univ Quindio, Fac Ciencias Salud, Ctr Invest Biomed, Grp GEPAMOL, Armenia, Colombia
来源：
EXPERIMENTAL PARASITOLOGY | 2016年 / 164卷
关键词：
Toxoplasma; Protein disulfide isomerase; Thioredoxins; EXPRESSION; INVASION; TACHYZOITE; MIGRATION; ADHESION;
D O I：
10.1016/j.exppara.2016.02.005
中图分类号：
R38 [医学寄生虫学]; Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ; 100103 ;
摘要：
Toxoplasma protein disulfide isomerase (PDI) is a 52 KDa thioredoxin of interest because have a great immunogenicity for humans. We cloned and produced a recombinant protein (recTgPDI) used to test its effect during infection to different human cell lines (epithelial and retinal). We also determine if there were differences in gen expression during in vitro infection. Expression of the gen was lower after entry into the host cells. PDI's inhibitors bacitracin and nitroblue tetrazolium reduced the percent of infected cells and small amounts of recTgPDI proteins interfered with the invasion step. All these results support a role of Toxoplasma PDI during the first steps of infection (adhesion and invasion). Toxoplasma PDI is a protein linked to early steps of invasion, it would be of importance to identify the host proteins substrates during invasion steps. (C) 2016 Elsevier Inc. All rights reserved.
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收藏
页码：36 / 42
页数：7
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