Artificial oxygen carriers rescue placental hypoxia and improve fetal development in the rat pre-eclampsia model

Heng Li, Hidenobu Ohta, Yu Tahara, Sakiko Nakamura, Kazuaki Taguchi, Machiko Nakagawa, Yoshihisa Oishi, Yu Ichi Goto, Keiji Wada, Makiko Kaga, Masumi Inagaki, Masaki Otagiri, Hideo Yokota, Shigenobu Shibata, Hiromi Sakai, Kunihiro Okamura, Nobuo Yaegashi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Pre-eclampsia affects approximately 5% of all pregnant women and remains a major cause of maternal and fetal morbidity and mortality. The hypertension associated with pre-eclampsia develops during pregnancy and remits after delivery, suggesting that the placenta is the most likely origin of this disease. The pathophysiology involves insufficient trophoblast invasion, resulting in incomplete narrow placental spiral artery remodeling. Placental insufficiency, which limits the maternal-fetal exchange of gas and nutrients, leads to fetal intrauterine growth restriction. In this study, in our attempt to develop a new therapy for pre-eclampsia, we directly rescued placental and fetal hypoxia with nano-scale size artificial oxygen carriers (hemoglobin vesicles). The present study is the first to demonstrate that artificial oxygen carriers successfully treat placental hypoxia, decrease maternal plasma levels of anti-angiogenic proteins and ameliorate fetal growth restriction in the pre-eclampsia rat model.

Original languageEnglish
Article number15271
JournalScientific Reports
Volume5
DOIs
Publication statusPublished - 2015 Oct 16

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Fetal Development
Pre-Eclampsia
Oxygen
Maternal-Fetal Exchange
Angiogenic Proteins
Mothers
Fetal Hypoxia
Placental Insufficiency
Fetal Mortality
Trophoblasts
Placenta
Pregnant Women
Hemoglobins
Arteries
Gases
Hypertension
Morbidity
Food
Pregnancy
Hypoxia

ASJC Scopus subject areas

  • General

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Artificial oxygen carriers rescue placental hypoxia and improve fetal development in the rat pre-eclampsia model. / Li, Heng; Ohta, Hidenobu; Tahara, Yu; Nakamura, Sakiko; Taguchi, Kazuaki; Nakagawa, Machiko; Oishi, Yoshihisa; Goto, Yu Ichi; Wada, Keiji; Kaga, Makiko; Inagaki, Masumi; Otagiri, Masaki; Yokota, Hideo; Shibata, Shigenobu; Sakai, Hiromi; Okamura, Kunihiro; Yaegashi, Nobuo.

In: Scientific Reports, Vol. 5, 15271, 16.10.2015.

Research output: Contribution to journalArticle

Li, H, Ohta, H, Tahara, Y, Nakamura, S, Taguchi, K, Nakagawa, M, Oishi, Y, Goto, YI, Wada, K, Kaga, M, Inagaki, M, Otagiri, M, Yokota, H, Shibata, S, Sakai, H, Okamura, K & Yaegashi, N 2015, 'Artificial oxygen carriers rescue placental hypoxia and improve fetal development in the rat pre-eclampsia model', Scientific Reports, vol. 5, 15271. https://doi.org/10.1038/srep15271
Li, Heng ; Ohta, Hidenobu ; Tahara, Yu ; Nakamura, Sakiko ; Taguchi, Kazuaki ; Nakagawa, Machiko ; Oishi, Yoshihisa ; Goto, Yu Ichi ; Wada, Keiji ; Kaga, Makiko ; Inagaki, Masumi ; Otagiri, Masaki ; Yokota, Hideo ; Shibata, Shigenobu ; Sakai, Hiromi ; Okamura, Kunihiro ; Yaegashi, Nobuo. / Artificial oxygen carriers rescue placental hypoxia and improve fetal development in the rat pre-eclampsia model. In: Scientific Reports. 2015 ; Vol. 5.
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