Upregulation of ENDOU in cytotrophoblasts from placenta complicated with preeclampsia and fetal growth restriction

Placental hypoplasia is associated with the pathophysiology of fetal growth restriction and preeclampsia. The placenta consists of differentiated trophoblasts, including cytotrophoblasts, syncytio­trophoblasts, and extravillous trophoblasts. Cytotrophoblasts are thought to have stem-like characteris...

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Veröffentlicht in:Journal of Clinical Biochemistry and Nutrition 2021, Vol.69(3), pp.280-285
Hauptverfasser: Nomoto, Masataka, Kotani, Tomomi, Miki, Rika, Ushida, Takafumi, Imai, Kenji, Iitani, Yukako, Tano, Sho, Wang, Jingwen, Moriyama, Yoshinori, Kobayashi, Tomoko, Mimura, Nobuko, Iriyama, Takayuki, Kikkawa, Fumitaka, Kajiyama, Hiroaki
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container_issue 3
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container_title Journal of Clinical Biochemistry and Nutrition
container_volume 69
creator Nomoto, Masataka
Kotani, Tomomi
Miki, Rika
Ushida, Takafumi
Imai, Kenji
Iitani, Yukako
Tano, Sho
Wang, Jingwen
Moriyama, Yoshinori
Kobayashi, Tomoko
Mimura, Nobuko
Iriyama, Takayuki
Kikkawa, Fumitaka
Kajiyama, Hiroaki
description Placental hypoplasia is associated with the pathophysiology of fetal growth restriction and preeclampsia. The placenta consists of differentiated trophoblasts, including cytotrophoblasts, syncytio­trophoblasts, and extravillous trophoblasts. Cytotrophoblasts are thought to have stem-like characteristics and the ability to differentiate into syncytiotrophoblasts and extravillous trophoblasts. However, it is poorly understood whether isolated cytotrophoblasts derived from hypoplastic placentas have specific features compared with those in normal placentas. This study aimed to determine the features of cytotrophoblasts in hypoplastic placentas. Differentially expressed proteins between isolated cytotrophoblasts from hypoplastic placenta with fetal growth restriction and those from the normal placenta were determined by liquid chromatography-tandem mass spectrometry. Among 6,802 proteins, 1,253 and 2,129 proteins were more than 2-fold upregulated and downregulated, respectively. Among them, ENDOU (endonuclease, poly(U) specific), which has high homology with the coronavirus endoribonuclease nonstructural protein 15 (Nsp15), showed a significantly increased expression in cytotrophoblasts from the placenta with fetal growth restriction related to preeclampsia compared with those in normal control placenta. These results provide insight into the pathological mechanisms of placental hypoplasia and additional information on preeclamptic symptoms in cases of SARS-CoV-2 infected placenta, although further investigation is needed.
doi_str_mv 10.3164/jcbn.21-37
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The placenta consists of differentiated trophoblasts, including cytotrophoblasts, syncytio­trophoblasts, and extravillous trophoblasts. Cytotrophoblasts are thought to have stem-like characteristics and the ability to differentiate into syncytiotrophoblasts and extravillous trophoblasts. However, it is poorly understood whether isolated cytotrophoblasts derived from hypoplastic placentas have specific features compared with those in normal placentas. This study aimed to determine the features of cytotrophoblasts in hypoplastic placentas. Differentially expressed proteins between isolated cytotrophoblasts from hypoplastic placenta with fetal growth restriction and those from the normal placenta were determined by liquid chromatography-tandem mass spectrometry. Among 6,802 proteins, 1,253 and 2,129 proteins were more than 2-fold upregulated and downregulated, respectively. 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subjects Coronaviruses
cytotrophoblast
Endonuclease
Fetuses
Homology
Hypoplasia
LC-MS/MS
Liquid chromatography
Mass spectrometry
Mass spectroscopy
Original
Placenta
Pre-eclampsia
Preeclampsia
Proteins
Severe acute respiratory syndrome coronavirus 2
Trophoblasts
Viral diseases
title Upregulation of ENDOU in cytotrophoblasts from placenta complicated with preeclampsia and fetal growth restriction
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