Journal of perinatal medicine · 2017
Differential immunophenotype of macrophages in acute and chronic chorioamnionitis.
СтатьяНазвание и аннотация: Перевод в очереди
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Bae Go-Eun, Hong Joon-Seok, Kim Jung-Sun, Park Ha Young, Jang Ja Yun, Kim Yi Seul, Choi Suk-Joo, Oh Soo-Young, Roh Cheong-Rae
Аннотация
AIM: The aim of this study was to investigate the involvement and immunophenotype of macrophages in acute chorioamnionitis (ACA) and chronic chorioamnionitis (CCA), marking amniotic fluid infection and anti-fetal rejection, respectively.
METHODS: Chorioamniotic membranes from (1) gestational age-matched cases without chorioamnionitis, (2) cases with ACA, and (3) cases with CCA were studied after immunohistochemical staining using antibodies against CD14, CD68, CD163, and DC-SIGN.
RESULTS: Macrophages increased prominently in the chorionic trophoblastic layer of both ACA and CCA cases in contrast to non-inflammatory cases. Macrophages in the decidua and the chorioamniotic membranes of ACA cases expressed CD14. Macrophages in the chorionic trophoblastic layer of CCA cases were characterized by CD68 positivity. DC-SIGN-positive cells were increased in the chorioamniotic mesodermal layer of CCA cases.
CONCLUSIONS: Macrophages participate in the inflammatory response in ACA and CCA. The differential immunophenotypes of macrophages in the decidua and chorioamniotic membranes of ACA and CCA cases suggest their disease-specific and region-specific roles at the feto-maternal interface.
METHODS: Chorioamniotic membranes from (1) gestational age-matched cases without chorioamnionitis, (2) cases with ACA, and (3) cases with CCA were studied after immunohistochemical staining using antibodies against CD14, CD68, CD163, and DC-SIGN.
RESULTS: Macrophages increased prominently in the chorionic trophoblastic layer of both ACA and CCA cases in contrast to non-inflammatory cases. Macrophages in the decidua and the chorioamniotic membranes of ACA cases expressed CD14. Macrophages in the chorionic trophoblastic layer of CCA cases were characterized by CD68 positivity. DC-SIGN-positive cells were increased in the chorioamniotic mesodermal layer of CCA cases.
CONCLUSIONS: Macrophages participate in the inflammatory response in ACA and CCA. The differential immunophenotypes of macrophages in the decidua and chorioamniotic membranes of ACA and CCA cases suggest their disease-specific and region-specific roles at the feto-maternal interface.