ArticleInternational immunology2024
CCR2-dependent placental migration of inflammatory monocytes suppresses abnormal pregnancies caused by Toxoplasma gondii infection.
Article in International immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- GPR35 mediates monocyte recruitment to the sites of Listeria monocytogenes infection.Cellular and molecular life sciences : CMLS · 2025Article
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Authors and funding
12 authors.
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Abstract
Toxoplasma gondii (T. gondii) is a zoonotic protozoan parasite that causes congenital toxoplasmosis, including fetal death, abortion, stillbirth, morphological abnormalities, and premature birth. Primary T. gondii infection in pregnant women results in congenital toxoplasmosis. C-C chemokine receptor (CCR) 2 is reportedly a critical host defense factor against T. gondii infection. However, details of the role of CCR2 in the host immune response to T. gondii in congenital toxoplasmosis remain unclear. Here, we infected pregnant CCR2-deficient mice with T. gondii, resulting in stillbirth, embryonic resorption, fetal morphological abnormalities, and preterm delivery at significantly higher rates than those in pregnant wild-type (WT) mice. Consistent with the severity of abnormal pregnancy, a large area of placental hemorrhage and a large number of T. gondii infections around the hemorrhagic area were observed in the placentas of CCR2-deficient mice. In addition, the accumulation of inflammatory monocytes in the placenta was reduced in CCR2-deficient mice during infection. We further confirmed that the adoptive transfer of inflammatory monocytes collected from WT mice into T. gondii-infected pregnant CCR2-deficient mice effectively suppressed placental damage and abnormal pregnancy. Collectively, CCR2 contributes to pregnancy maintenance by regulating the migration of inflammatory monocytes into the placenta of T. gondii-infected pregnant mice.
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