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논문 기본 정보

자료유형
학술저널
저자정보
Yu Ji Hea (Division of Maternal Fetal Medicine Department of Obstetrics and Gynecology Severance Hospital Yonsei University Medical College Seoul Korea.Department of Rehabilitation Medicine and Research Institut) Jung Yun Ji (Division of Maternal Fetal Medicine Department of Obstetrics and Gynecology Severance Hospital Yonsei University Medical College Seoul Korea.) Kim Myung-Sun (Department of Rehabilitation Medicine and Research Institute of Rehabilitation Medicine Severance Hospital Yonsei University Medical College Seoul Korea.) Cho Sung-Rae (Department of Rehabilitation Medicine and Research Institute of Rehabilitation Medicine Severance Hospital Yonsei University Medical College Seoul Korea.) Kim Young-Han (Division of Maternal Fetal Medicine Department of Obstetrics and Gynecology Severance Hospital Yonsei University Medical College Seoul Korea.)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.38 No.16
발행연도
2023.4
수록면
1 - 16 (16page)
DOI
10.3346/jkms.2023.38.e128

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Background: Preeclampsia (PE) is known to arise from insufficient trophoblast invasion as uterine spiral arteries lack remodeling. A significant reduction in placental perfusion induces an ischemic placental microenvironment due to reduced oxygen delivery to the placenta and fetus, leading to oxidative stress. Mitochondria are involved in the regulation of cellular metabolism and the production of reactive oxygen species (ROS). NME/NM23 nuceloside diphosphate kinase 4 (NME4) gene is known to have the ability to supply nucleotide triphosphate and deoxynucleotide triphosphate for replication and transcription of mitochondria. Our study aimed to investigate changes in NME4 expression in PE using trophoblast stem-like cells (TSLCs) from induced pluripotent stem cells (iPSCs) as a model of early pregnancy and peripheral blood mononuclear cells (PBMNCs) as a model of late preterm pregnancy. Methods: Transcriptome analysis using TSLCs was performed to identify the candidate gene associated with the possible pathophysiology of PE. Then, the expression of NME4 associated with mitochondrial function, p53 associated with cell death, and thioredoxin (TRX) linked to ROS were investigated through qRT-PCR, western blotting and deoxynucleotidyl transferase (TdT)-mediated deoxyuridine triphosphate (dUTP) nick end labelling (TUNEL) assay. Results: In patients with PE, NME4 was significantly downregulated in TSLCs but upregulated in PBMNCs. p53 was shown to be upregulated in TSLCs and PBMNCs of PE. In addition, western blot analysis confirmed that TRX expression had the tendency to increase in TSLCs of PE. Similarly, TUNEL analysis confirmed that the dead cells were higher in PE than in normal pregnancy. Conclusion: Our study showed that the expression of the NME4 differed between models of early and late preterm pregnancy of PE, and suggests that this expression pattern may be a potential biomarker for early diagnosis of PE.

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