Trophoblast-macrophage crosstalk on human extravillous under Toxoplasma gondii infection

Placenta
P M GuirelliE A V Ferro

Abstract

The interaction between human extravillous trophoblasts and macrophages has an important role in implantation and placentation. However, any dysfunction in this communication system is associated with pregnancy pitfalls, and a Toxoplasma gondii infection can be a potential problem in this crosstalk. Therefore, the aim of this study was to assess the influence of infected macrophages on cytokine production and the incidence of apoptosis in T. gondii-infected extravillous trophoblast cells. HTR-8/SVneo cells were treated with supernatant from macrophages infected or not by T. gondii (conditioned medium) in order to analyze apoptosis and cytokine production in comparison to uninfected control conditions. The IL-6 secretion by HTR-8/SVneo cells increased synergistically by treatment with conditioned medium and T. gondii infection. The apoptosis index of HTR-8/SVneo cells was also upregulated by treatment with conditioned medium and infection. In addition, a low expression of Fas/CD95 and a high soluble FasL release were observed during infection, although no significant change was observed in the proliferation of T. gondii. The parasite modulates the high apoptosis index in HTR-8/SVneo cells in order to favor its establishment insi...Continue Reading

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Citations

Nov 25, 2018·Parasite Immunology·Margarida BorgesCraig W Roberts
Aug 31, 2019·Cell Biology International·Thádia Evelyn de AraújoIdessania Nazareth da Costa
Apr 4, 2019·International Journal of Molecular Medicine·Jinli DingJing Yang
Feb 26, 2021·Parasite : Journal De La Société Française De Parasitologie·Shuai WangXiangrui Li

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