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Schonkeren, D.; Hoorn, M.L. van der; Khedoe, P.; Swings, G.; Beelen, E. van; Claas, F.; ... ; Scherjon, S. (2011)

Differential Distribution and Phenotype of Decidual Macrophages in Preeclamptic versus Control Pregnancies

Article / Letter to editor
Maternal immune tolerance of the semiallogeneic fetus is a complex phenomenon. Macrophages are an abundant cell population in the human decidua, and changes in distribution or phenotype may be involved in the development of preeclampsia. The aim of this study was to assess the distribution and phenotype of macrophages in preterm preeclamptic, preterm control, and term control placentas. Placentas of preterm preeclamptic (n = 6), preterm control (n = 5), and term control pregnancies (n = 6) were sequentially immunohistochemically stained for CD14, CD163, DC SIGN, and IL-10. The distributions of CD14(+), CD163(+), DC SIGN, IL-10(+), CD163(+)/CD14(+), DC SIGN(+)/CD14(+), and Flt-1/CD14(+) cells were determined by double staining and by digital image analysis of sequential photomicrographs. CD14 and CD163 expression increased significantly in preterm preeclamptic decidua basalis compared with preterm control pregnancies (P = 0.0006 and P = 0.034, respectively). IL-10 expression was...Show moreMaternal immune tolerance of the semiallogeneic fetus is a complex phenomenon. Macrophages are an abundant cell population in the human decidua, and changes in distribution or phenotype may be involved in the development of preeclampsia. The aim of this study was to assess the distribution and phenotype of macrophages in preterm preeclamptic, preterm control, and term control placentas. Placentas of preterm preeclamptic (n = 6), preterm control (n = 5), and term control pregnancies (n = 6) were sequentially immunohistochemically stained for CD14, CD163, DC SIGN, and IL-10. The distributions of CD14(+), CD163(+), DC SIGN, IL-10(+), CD163(+)/CD14(+), DC SIGN(+)/CD14(+), and Flt-1/CD14(+) cells were determined by double staining and by digital image analysis of sequential photomicrographs. CD14 and CD163 expression increased significantly in preterm preeclamptic decidua basalis compared with preterm control pregnancies (P = 0.0006 and P = 0.034, respectively). IL-10 expression was significantly lower in the decidua parietalis of preterm preeclamptic pregnancies compared with preterm control pregnancies (P = 0.03). The CD163/CD14 ratio was significantly lower in the decidua basalis (P = 0.0293) and the DC SIGN/CD14 ratio was significantly higher in the decidua basalis (P < 0.0001) and parietalis (P < 0.0001) of preterm preeclamptic pregnancies compared with preterm control pregnancies. CD14(+) macrophages did express Flt-1. Alterations in distribution and phenotype of macrophages in the decidua of preterm preeclamptic pregnancies compared with control pregnancies may contribute to the pathogenesis of preeclampsia. (Am J Pathol 2011, 178:709-717; DOI: 10.1016/j.ajpath.2010.10.011)Show less
maternal-fetal interface dendritic cells basal plate expression populations placenta tissue women risk
All authors
Schonkeren, D.; Hoorn, M.L. van der; Khedoe, P.; Swings, G.; Beelen, E. van; Claas, F.; Kooten, C. van; Heer, E. de; Scherjon, S.
Date
2011-02-28
Journal
American Journal of Pathology
Volume
178
Issue
2
Pages
709 - 717
DOI
doi:10.1016/j.ajpath.2010.10.011