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Autophagy in the placenta of women with hypertensive disorders in pregnancy |
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| Institution: | 1. Department of Obstetrics and Gynecology, Hokkaido University Graduate School of Medicine, Sapporo, 060-8638, Japan;2. Department of Maternal-Fetal Biology, National Research Institute for Child Health, Tokyo, Japan;3. Departments of Translational Pathology, Hokkaido University Graduate School of Medicine, Sapporo, Japan;4. Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan;1. The Biotechnology Centre of Oslo, University of Oslo, P.O. Box 1125, Blindern, N-0317 Oslo, Norway;2. Faculty of Medicine, University of Oslo, P.O. Box 1125, Blindern, N-0317 Oslo, Norway;3. Department of Gynaecology and Obstetrics, Oslo University Hospital, P.O. Box 4956, Nydalen, N-0424, Norway;4. Dept. of Medical Genetics, Oslo University Hospital, P.O. Box 4956, Nydalen, 0424 Oslo, Norway;5. Nuffield Department of Obstetrics and Gynaecology, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, UK;6. Experimental and Clinical Research Center, a Joint Cooperation Between the Charité Medical Faculty and the Max-Delbrueck Center for Molecular Medicine, Berlin, Lindenbergerweg 80, 13125 Berlin, Germany;7. Franz-Volhard Klinik, HELIOS-Klinik, Berlin, Germany;1. Mercy Perinatal Research Centre, Mercy Hospital for Women, Heidelberg, Victoria, Australia;2. Obstetrics, Nutrition and Endocrinology Group, Department of Obstetrics and Gynaecology, University of Melbourne, Victoria, Australia |
| Abstract: | IntroductionAutophagy has not been studied extensively in the human placenta. This study was performed to determine whether autophagy is increased in the placentas of women with hypertensive disorders in pregnancy compared to normotensive pregnancies.MethodsLC3-II and p62 protein expression were examined by quantitative Western blotting analysis in 40 placentas from women not experiencing labor pains. The 40 placentas were from 13, 8, and 19 women with preeclampsia, gestational hypertension, and normal pregnancy, respectively. Hypertensive disorders in pregnancy included preeclampsia and gestational hypertension.ResultsLC3-II expression was significantly increased, while that of p62 was significantly reduced in 21 placentas of women with hypertensive disorders compared to those with normal blood pressure irrespective of the presence or absence of fetal growth restriction (FGR). LC3-II expression was also significantly increased in 13 placentas of women with preeclampsia irrespective of the presence or absence of FGR.DiscussionThe results of this study suggested that autophagy is active in the placenta of hypertensive disorders even in the absence of FGR. |
| Keywords: | Autophagy Gestational hypertension Preeclampsia Pregnancy-induced hypertension PIH"} {"#name":"keyword" "$":{"id":"kwrd0035"} "$$":[{"#name":"text" "_":"pregnancy-induced hypertension FGR"} {"#name":"keyword" "$":{"id":"kwrd0045"} "$$":[{"#name":"text" "_":"fetal growth restriction PE"} {"#name":"keyword" "$":{"id":"kwrd0055"} "$$":[{"#name":"text" "_":"preeclampsia GH"} {"#name":"keyword" "$":{"id":"kwrd0065"} "$$":[{"#name":"text" "_":"gestational hypertension SBP"} {"#name":"keyword" "$":{"id":"kwrd0075"} "$$":[{"#name":"text" "_":"systolic blood pressure DBP"} {"#name":"keyword" "$":{"id":"kwrd0085"} "$$":[{"#name":"text" "_":"diastolic blood pressure GW"} {"#name":"keyword" "$":{"id":"kwrd0095"} "$$":[{"#name":"text" "_":"gestational week |
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