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Barbitoff YA, Tsarev AA, Vashukova ES, Maksiutenko EM, Kovalenko LV, Belotserkovtseva LD, Glotov AS. A Data-Driven Review of the Genetic Factors of Pregnancy Complications. Int J Mol Sci 2020; 21:ijms21093384. [PMID: 32403311 PMCID: PMC7246997 DOI: 10.3390/ijms21093384] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/05/2020] [Accepted: 05/06/2020] [Indexed: 01/01/2023] Open
Abstract
Over the recent years, many advances have been made in the research of the genetic factors of pregnancy complications. In this work, we use publicly available data repositories, such as the National Human Genome Research Institute GWAS Catalog, HuGE Navigator, and the UK Biobank genetic and phenotypic dataset to gain insights into molecular pathways and individual genes behind a set of pregnancy-related traits, including the most studied ones—preeclampsia, gestational diabetes, preterm birth, and placental abruption. Using both HuGE and GWAS Catalog data, we confirm that immune system and, in particular, T-cell related pathways are one of the most important drivers of pregnancy-related traits. Pathway analysis of the data reveals that cell adhesion and matrisome-related genes are also commonly involved in pregnancy pathologies. We also find a large role of metabolic factors that affect not only gestational diabetes, but also the other traits. These shared metabolic genes include IGF2, PPARG, and NOS3. We further discover that the published genetic associations are poorly replicated in the independent UK Biobank cohort. Nevertheless, we find novel genome-wide associations with pregnancy-related traits for the FBLN7, STK32B, and ACTR3B genes, and replicate the effects of the KAZN and TLE1 genes, with the latter being the only gene identified across all data resources. Overall, our analysis highlights central molecular pathways for pregnancy-related traits, and suggests a need to use more accurate and sophisticated association analysis strategies to robustly identify genetic risk factors for pregnancy complications.
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Affiliation(s)
- Yury A. Barbitoff
- Bioinformatics Institute, 197342 St. Petersburg, Russia; (Y.A.B.); (A.A.T.)
- Department of Genetics and Biotechnology, Saint-Petersburg State University, 199034 St. Petersburg, Russia;
- Department of Genomic Medicine, D.O.Ott Research Institute for Obstetrics, Gynaecology and Reproductology, 199034 St. Petersburg, Russia;
| | - Alexander A. Tsarev
- Bioinformatics Institute, 197342 St. Petersburg, Russia; (Y.A.B.); (A.A.T.)
- Department of Biochemistry, Saint-Petersburg State University, 199034 St. Petersburg, Russia
| | - Elena S. Vashukova
- Department of Genomic Medicine, D.O.Ott Research Institute for Obstetrics, Gynaecology and Reproductology, 199034 St. Petersburg, Russia;
| | - Evgeniia M. Maksiutenko
- Department of Genetics and Biotechnology, Saint-Petersburg State University, 199034 St. Petersburg, Russia;
- St. Petersburg Branch, Vavilov Institute of General Genetics, Russian Academy of Sciences, 199034 St. Petersburg, Russia
| | - Liudmila V. Kovalenko
- Department of Pathology, Medical Institute, Surgut State University, 628416 Surgut, Russia;
| | - Larisa D. Belotserkovtseva
- Department of Obstetrics, Gynecology and Perinatology, Medical Institute, Surgut State University, 628416 Surgut, Russia;
| | - Andrey S. Glotov
- Department of Genomic Medicine, D.O.Ott Research Institute for Obstetrics, Gynaecology and Reproductology, 199034 St. Petersburg, Russia;
- Laboratory of Biobanking and Genomic Medicine, Saint-Petersburg State University, 199034 St. Petersburg, Russia
- Correspondence:
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Aryan L, Medzikovic L, Umar S, Eghbali M. Pregnancy-associated cardiac dysfunction and the regulatory role of microRNAs. Biol Sex Differ 2020; 11:14. [PMID: 32252821 PMCID: PMC7137306 DOI: 10.1186/s13293-020-00292-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 03/18/2020] [Indexed: 12/14/2022] Open
Abstract
Many crucial cardiovascular adaptations occur in the body during pregnancy to ensure successful gestation. Maladaptation of the cardiovascular system during pregnancy can lead to complications that promote cardiac dysfunction and may lead to heart failure (HF). About 12% of pregnancy-related deaths in the USA have been attributed to HF and the detrimental effects of cardiovascular complications on the heart can be long-lasting, pre-disposing the mother to HF later in life. Indeed, cardiovascular complications such as gestational diabetes mellitus, preeclampsia, gestational hypertension, and peripartum cardiomyopathy have been shown to induce cardiac metabolic dysfunction, oxidative stress, fibrosis, apoptosis, and diastolic and systolic dysfunction in the hearts of pregnant women, all of which are hallmarks of HF. The exact etiology and cardiac pathophysiology of pregnancy-related complications is not yet fully deciphered. Furthermore, diagnosis of cardiac dysfunction in pregnancy is often made only after clinical symptoms are already present, thus necessitating the need for novel diagnostic and prognostic biomarkers. Mounting data demonstrates an altered expression of maternal circulating miRNAs during pregnancy affected by cardiovascular complications. Throughout the past decade, miRNAs have become of growing interest as modulators and biomarkers of pathophysiology, diagnosis, and prognosis in cardiac dysfunction. While the association between pregnancy-related cardiovascular complications and cardiac dysfunction or HF is becoming increasingly evident, the roles of miRNA-mediated regulation herein remain poorly understood. Therefore, this review will summarize current reports on pregnancy-related cardiovascular complications that may lead to cardiac dysfunction and HF during and after pregnancy in previously healthy women, with a focus on the pathophysiological role of miRNAs.
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Affiliation(s)
- Laila Aryan
- Department of Anesthesiology, Division of Molecular Medicine, David Geffen School of Medicine at University of California, Los Angeles, BH-550 CHS, Los Angeles, CA, 90095-7115, USA
| | - Lejla Medzikovic
- Department of Anesthesiology, Division of Molecular Medicine, David Geffen School of Medicine at University of California, Los Angeles, BH-550 CHS, Los Angeles, CA, 90095-7115, USA
| | - Soban Umar
- Department of Anesthesiology, Division of Molecular Medicine, David Geffen School of Medicine at University of California, Los Angeles, BH-550 CHS, Los Angeles, CA, 90095-7115, USA
| | - Mansoureh Eghbali
- Department of Anesthesiology, Division of Molecular Medicine, David Geffen School of Medicine at University of California, Los Angeles, BH-550 CHS, Los Angeles, CA, 90095-7115, USA.
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Zeng Y, Wei L, Lali MS, Chen Y, Yu J, Feng L. miR-150-5p mediates extravillous trophoblast cell migration and angiogenesis functions by regulating VEGF and MMP9. Placenta 2020; 93:94-100. [PMID: 32250744 DOI: 10.1016/j.placenta.2020.02.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/19/2020] [Accepted: 02/25/2020] [Indexed: 12/22/2022]
Abstract
INTRODUCTION miR-150-5p is involved in placenta function. Matrix metalloproteinases (MMPs) play important roles in migration and invasion of cells, while VEGF is the major contributing factor in angiogenesis, and they are related to miR-150-5p. However, the mechanism by which miR-150-5p regulates placental functions is not known. Thus, we investigated the influence of miR-150-5p on extravillous trophoblast function and the underlying epigenetic mechanism. METHODS Real-time PCR were used to detect the miR-150-5p in the placenta of patients with preeclampsia and normal pregnant women. HTR-8/SVneo and JEG-3 cells were transfected with miR-150-5p inhibitor. Furthermore, we used CoCl2 to establish the hypoxia cell model. qRT-PCR and Western blot analysis were performed to detect VEGF and MMP9 expression levels in the transfected cells. Cell Counting Kit-8 assay was conducted to evaluate the proliferation ability. Wound-healing and transwell assays were used to detect the migration and invasion capacities. Tube formation assay was performed to evaluate the angiogenesis ability. RESULTS miR-150-5p was up-regulated in the placenta of patients with preeclampsia. Inhibition of miR-150-5p significantly enhanced migration, invasion, and angiogenesis ability of both JEG-3 and HTR-8/SVneo cells. Similar results were seen in the hypoxic HTR-8/SVneo cell model. Moreover, mRNA and protein expression levels of VEGF and MMP9 were upregulated by the inhibition of miR-150-5p. DISCUSSION miR-150-5p impacts placental cellular abilities, including migration, invasion, and angiogenesis of extravillous trophoblast cells. More importantly, miR-150-5p regulates VEGF and MMP9 expression. The results suggest that miR-150-5p may have an impact on placenta functions.
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Affiliation(s)
- Yu Zeng
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Lijie Wei
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Mwamaka Sharifu Lali
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Yuting Chen
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Jun Yu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China.
| | - Ling Feng
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China.
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Demirer S, Hocaoglu M, Turgut A, Karateke A, Komurcu-Bayrak E. Expression profiles of candidate microRNAs in the peripheral blood leukocytes of patients with early- and late-onset preeclampsia versus normal pregnancies. Pregnancy Hypertens 2020; 19:239-245. [PMID: 31899190 DOI: 10.1016/j.preghy.2019.11.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 10/12/2019] [Accepted: 11/09/2019] [Indexed: 01/14/2023]
Abstract
OBJECTIVES Maternal leucocytes play an important role in the pathogenesis of preeclampsia (PE). Circulating microRNAs (miRNAs) are small, noncoding RNA molecules. The purpose of this study was to investigate miR-518b, miR-155-5p, and miR-21-3p in the peripheral blood leukocytes of patients with PE, compared to controls. STUDY DESIGN Using real-time quantitative PCR method, the selected miRNAs which have been associated with PE were examined from early- onset PE (EOPE) (<34 weeks) (n = 48), late- onset PE (LOPE) (≥34 weeks) (n = 48), total cases of PE (n = 96), and healthy controls (n = 52). MAIN OUTCOME MEASURES The relative expression of the target miR in patient samples was compared to the calibrator and the results were expressed as relative quantification values. RESULTS Gestational age (GA) was significantly different between PE and controls. Univariate logistic regression analysis adjusted for GA at blood draw were fit to compare miR-518b, miR-155-5p, and miR-21-3p between PE and controls. The expression of miR-518b, miR-155-5p, and miR-21-3p were not significantly different in PE, compared to controls. The expression of miR-518b was upregulated in the EOPE and LOPE group, compared to controls, and the area under the receiver operating characteristic curve (AUC) of miR-518b was 0.65 and 0.62, respectively. miR-518b was positively correlated with WBC count, platelet count, serum levels of AST, ALT, LDH in EOPE. miR-21-3p expression level was negatively correlated with body mass index at blood draw and systolic blood pressure in the LOPE group. CONCLUSIONS Increased miR-518b expression levels were found to be associated with EOPE and LOPE.
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Affiliation(s)
- Selin Demirer
- Department of Genetics, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Meryem Hocaoglu
- Department of Obstetrics and Gynecology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey.
| | - Abdulkadir Turgut
- Department of Obstetrics and Gynecology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey; Department of Obstetrics and Gynecology, Faculty of Medicine, Istanbul Medeniyet University, Istanbul, Turkey
| | - Ateş Karateke
- Department of Obstetrics and Gynecology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey; Department of Obstetrics and Gynecology, Faculty of Medicine, Istanbul Medeniyet University, Istanbul, Turkey
| | - Evrim Komurcu-Bayrak
- Department of Genetics, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
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Wu HY, Wang XH, Liu K, Zhang JL. LncRNA MALAT1 regulates trophoblast cells migration and invasion via miR-206/IGF-1 axis. Cell Cycle 2019; 19:39-52. [PMID: 31774373 DOI: 10.1080/15384101.2019.1691787] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Preeclampsia (PE) is a pregnancy-specific syndrome that substantially leads to maternal and fetal mortality. Multiple factors contribute to the disease, but the exact pathogenesis still remains elusive. Here we explored the roles of lncRNA MALAT1 and miR-206 in PE. qRT-PCR was applied to measure mRNA levels of MALAT1 and miR-206 in the placenta of PE patients. Scratch wound healing assay and transwell invasion assay were conducted to test the effects of MALAT1 and miR-206 on migration and invasion of trophoblast cells. In addition, we validated MALAT1/miR-206 and miR-206/IGF-1 interactions with dual luciferase reporter assay. Western bot was used to detect protein expressions of IGF-1, p-PI3K, PI3K, p-Akt and Akt. We found that MALAT1 was decreased but miR-206 was increased in the placenta of patients with PE. Inhibition of MALAT1, knockdown IGF-1, or miR-206 mimics suppressed the trophoblast cells migration and invasion, while overexpression of MALAT1, IGF-1 or miR-206 inhibitors exhibited opposite effects. Further, miR-206 was confirmed as a direct target of MALAT1. Besides, miR-206 inhibited IGF-1 expression by directly binding to the 3'UTR. Mechanistically, our study demonstrated that MALAT1 regulates IGF-1/PI3K/Akt signaling via miR-206. Together, these results suggest that MALAT1 and miR-206 play important roles in PE. MALAT1 regulates miR-206/IGF-1 axis, thereby modulating trophoblast cells migration and invasion through PI3K/Akt signal pathway. These results show light on the underlying mechanisms of PE and provide potential targets for PE therapy.Abbreviations: PE: Preeclampsia; lncRNA: Long-non-coding RNA; MALAT1: Metastasis-associated lung adenocarcinoma transcript 1; IGF-1: Insulin-like growth factor 1; PI3k: Phosphatidylinositol-4, 5-bisphosphate 3-kinase; Akt: Protein kinase B; GAPDH: Glyceraldehyde 3-phosphate dehydrogenase; qRT-PCR: Quantitative Reverse Transcription polymerase chain reaction; shRNA: Short hairpin RNA; siRNA: Small interfering RNA; EMT: Epithelial-mesenchymal transition.
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Affiliation(s)
- Hai-Ying Wu
- Department of Obstetrics, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Xiao-Hui Wang
- Department of Pediatric Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Kan Liu
- Department of Obstetrics, Henan Provincial People's Hospital, Clinical Medical College of Henan University, People's Hospital of Zhengzhou University, Zhengzhou, P.R. China
| | - Jing-Li Zhang
- Department of Obstetrics, Henan Provincial People's Hospital, Zhengzhou, P.R. China
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Cao G, Cui R, Liu C, Zhang Z. MicroRNA regulation of transthyretin in trophoblast biofunction and preeclampsia. Arch Biochem Biophys 2019; 676:108129. [PMID: 31593646 DOI: 10.1016/j.abb.2019.108129] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/01/2019] [Accepted: 10/04/2019] [Indexed: 10/25/2022]
Abstract
Preeclampsia (PE) is the major cause of maternal, fetal and neonatal mortality affecting approximately 2-7% of pregnancies. Transthyretin (TTR) is down-regulated in PE pregnancies serum and placenta. Our bioinformatic analysis showed that TTR is a predicted target for miR-200a-3p and miR-141-3p. The aim of this study was to determine whether miR-200a-3p and miR-141-3p are involved in preeclampsia through its targeting of TTR in human placental trophoblasts. In human PE placenta, TTR transcript and protein levels were significantly lower associated with high expression of miR-141-3p and 200a-3p. We found that miR-200a-3p and miR-141-3p inhibited TTR expression by directly binding to the 3'UTR of TTR, which is reversed by mutation in the microRNA binding site. In preeclamptic plasm, TTR levels were significantly downregulated. TTR was validated as a direct target of miR-200a-3p and miR-141-3p using dual luciferase assays in JEG3 cells. Transwell insert invasion assays showed that TTR mediated the invasion-inhibitory effect of miR-200a-3p and miR-141-3p in JEG3 cells. These data provides new insight into physiological role of miR-141-3p and miR-200a-3p in regulating TTR during trophoblast dysfunction and PE development.
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Affiliation(s)
- Guangming Cao
- Department of Obstetrics and Gynecology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
| | - Ran Cui
- Department of Obstetrics and Gynecology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
| | - Chongdong Liu
- Department of Obstetrics and Gynecology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
| | - Zhenyu Zhang
- Department of Obstetrics and Gynecology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China.
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Salimi S, Eskandari F, Rezaei M, Narooei-nejad M, Teimoori B, Yazdi A, Yaghmaei M. The effect of miR-146a rs2910164 and miR-149 rs2292832 polymorphisms on preeclampsia susceptibility. Mol Biol Rep 2019; 46:4529-4536. [DOI: 10.1007/s11033-019-04908-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 06/07/2019] [Indexed: 01/05/2023]
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Zaiou M. Circular RNAs in hypertension: challenges and clinical promise. Hypertens Res 2019; 42:1653-1663. [PMID: 31239534 DOI: 10.1038/s41440-019-0294-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/03/2019] [Accepted: 05/29/2019] [Indexed: 12/14/2022]
Abstract
Hypertension (HT), or high blood pressure (BP), is a chronic disease that is common among populations worldwide. The occurrence of HT is one of the leading causes of cardiovascular morbidity and mortality in adults. Although multiple studies have stressed the multifactorial and multigenic nature of HT, uncertainties about its etiology persist, and current diagnostic biomarkers can explain only a small part of the phenotypic variance of BP. Hence, the search for novel biomarkers that enable early disease prevention and guided therapy is warranted. Regulatory circRNAs have emerged as the newest player in HT-related gene networks and hold promise for improving the accuracy of diagnosis. These RNAs are genome products that are formed through back-splicing of specific regions of pre-mRNAs. Evidence suggests that these RNA species are involved in various metabolic diseases. Recent studies have revealed that aberrant expression of circRNAs is relevant to the occurrence and development of HT. Accordingly, circRNAs are proposed as a new generation of predictive biomarkers and potential therapeutic targets for different forms of HT, including pulmonary hypertension and preeclampsia. This paper presents an overview of the findings from current research focusing on the emerging role of circRNAs in the pathogenesis of hypertension. Furthermore, some of the challenges encountered by circRNA studies are highlighted, and perspectives are provided on the future of research in this area.
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Affiliation(s)
- Mohamed Zaiou
- University of Lorraine, Department of Biochemistry and Molecular Biology, 7 Avenue de la Foret de Haye, BP 90170, 54505, Vandoeuvre les Nancy Cedex, France.
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Mei Z, Huang B, Zhang Y, Qian X, Mo Y, Deng N. Histone deacetylase 6 negatively regulated microRNA-199a-5p induces the occurrence of preeclampsia by targeting VEGFA in vitro. Biomed Pharmacother 2019; 114:108805. [PMID: 30947018 DOI: 10.1016/j.biopha.2019.108805] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 03/19/2019] [Accepted: 03/19/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Preeclampsia (PE) is a special complication during pregnancy, which can cause severe maternal complications and lead the cause of maternal and perinatal death. So far, the etiology and pathogenesis of the disease is still not very clear. Currently, microRNAs (miRNAs) are reported to be the key regulators in the development of PE. METHODS The miR-199a-5p expression was detected by qRT-PCR. The expression of vascular endothelial growth factor A (VEGFA), placental growth factor (PLGF) and activating transcription factor 3 (ATF-3) were detected by qRT-PCR and Western blot. Transwell-invasion assay wasused to assess the effects of miR-199a-5p, PLGF and ATF-3 on the invasion of HTR-8/SVneo and TEV-1cell lines. Western blot and qRT-PCR were used to assess the related molecular mechanisms. Dual luciferase reporter assay was used to detect the interaction between miR-199a-5p and VEGFA. RESULTS Here, weinitially demonstrated that in PE tissues, miR-199a-5p expression was higher than that in normal tissues, while there was sharp reduction in VEGFA. In placental tissues of PE patients, miR-199a-5p exhibited a negatively correlation with VEGFA. The invasion of HTR-8/SVneo and TEV-1 cells was suppressed by miR-199a-5p through direct inhibition of VEGFA expression. In addition, PE tissues were associated with sharp reduction in the protein levels of PLGF, ATF-3 and histone deacetylase 6 (HDAC6) compared with the normal tissues. We further proved that over-expression of PLGF could also promote HTR-8/SVneo and TEV-1 cells invasion through up-regulating ATF-3 expression and down-regulating DNM3 opposite strand (DNM3os) and miR-199a-5p expression. Lastly, we also found that tubacin suppressed HTR-8/SVneo and TEV-1 cells invasion via regulation of miR-199a-5p and VEGFA expression. CONCLUSION Our data demonstrated the role of miR-199a-5p in the preeclampsia, and proved that miR-199a-5p could act as a potential therapeutic target for the treatment of PE.
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Affiliation(s)
- Zhixiong Mei
- Department of Obstetrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, Guangdong, PR China
| | - Baoqin Huang
- Department of Obstetrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, Guangdong, PR China
| | - Yuan Zhang
- Department of Obstetrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, Guangdong, PR China
| | - Xialiu Qian
- Department of Obstetrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, Guangdong, PR China
| | - Ying Mo
- Reproductive Center, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, Guangdong, PR China
| | - Ni Deng
- Department of Obstetrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, Guangdong, PR China.
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Micromanaging human placental function: differential microRNA expression in feto-placental endothelial cells of gestational diabetes pregnancies. Clin Sci (Lond) 2019; 133:315-319. [PMID: 30683714 DOI: 10.1042/cs20180901] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/08/2019] [Accepted: 01/14/2019] [Indexed: 12/11/2022]
Abstract
Healthy development in utero relies on the appropriate exchange of nutrients and other signalling between the maternal and fetal circulations. Disruption to this fine balance is associated with several pregnancy and adverse birth outcomes, including gestational diabetes mellitus (GDM). This is a complex condition influenced by genetic, environment and potentially epigenetic factors in association with a range of altered developmental outcomes. A recent study, published in Clinical Science, explores miRNAs as a molecular mechanism underpinning the altered function of placental endothelial cells in GDM pregnancies.
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Diabetes in Pregnancy and MicroRNAs: Promises and Limitations in Their Clinical Application. Noncoding RNA 2018; 4:ncrna4040032. [PMID: 30424584 PMCID: PMC6316501 DOI: 10.3390/ncrna4040032] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 10/29/2018] [Accepted: 11/05/2018] [Indexed: 12/12/2022] Open
Abstract
Maternal diabetes is associated with an increased risk of complications for the mother and her offspring. The latter have an increased risk of foetal macrosomia, hypoglycaemia, respiratory distress syndrome, preterm delivery, malformations and mortality but also of life-long development of obesity and diabetes. Epigenetics have been proposed as an explanation for this long-term risk, and microRNAs (miRNAs) may play a role, both in short- and long-term outcomes. Gestation is associated with increasing maternal insulin resistance, as well as β-cell expansion, to account for the increased insulin needs and studies performed in pregnant rats support a role of miRNAs in this expansion. Furthermore, several miRNAs are involved in pancreatic embryonic development. On the other hand, maternal diabetes is associated with changes in miRNA both in maternal and in foetal tissues. This review aims to summarise the existing knowledge on miRNAs in gestational and pre-gestational diabetes, both as diagnostic biomarkers and as mechanistic players, in the development of gestational diabetes itself and also of short- and long-term complications for the mother and her offspring.
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