Experimental parasitology · 2016
Role of the 52 KDa thioredoxin protein disulfide isomerase of Toxoplasma gondii during infection to human cells.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Moncada Diego, Arenas Aylan, Acosta Alejandro, Molina Diego, Hernández Alejandro, Cardona Néstor, Gomez-Yepes Mónica, Gomez-Marin Jorge E
Аннотация
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.