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Dini P, Daels P, Loux SC, Esteller-Vico A, Carossino M, Scoggin KE, Ball BA. Kinetics of the chromosome 14 microRNA cluster ortholog and its potential role during placental development in the pregnant mare. BMC Genomics 2018; 19:954. [PMID: 30572819 PMCID: PMC6302407 DOI: 10.1186/s12864-018-5341-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 11/29/2018] [Indexed: 12/16/2022] Open
Abstract
Background The human chromosome 14 microRNA cluster (C14MC) is a conserved microRNA (miRNA) cluster across eutherian mammals, reported to play an important role in placental development. However, the expression kinetics and function of this cluster in the mammalian placenta are poorly understood. Here, we evaluated the expression kinetics of the equine C24MC, ortholog to the human C14MC, in the chorioallantoic membrane during the course of gestation. Results We demonstrated that C24MC-associated miRNAs presented a higher expression level during early stages of pregnancy, followed by a decline later in gestation. Evaluation of one member of C24MC (miR-409-3p) by in situ hybridization demonstrated that its cellular localization predominantly involved the chorion and allantoic epithelium and vascular endothelium. Additionally, expression of predicted target transcripts for C24MC-associated miRNAs was evaluated by RNA sequencing. Expression analysis of a subset of predicted mRNA targets showed a negative correlation with C24MC-associated miRNAs expression levels during gestation, suggesting the reciprocal control of these target transcripts by this miRNA cluster. Predicted functional analysis of these target mRNAs indicated enrichment of biological pathways related to embryonic development, endothelial cell migration and angiogenesis. Expression patterns of selected target mRNAs involved in angiogenesis were confirmed by RT-qPCR. Conclusion This is the first report evaluating C24MC kinetics during pregnancy. The findings presented herein suggest that the C24MC may modulate angiogenic transcriptional profiles during placental development in the horse. Electronic supplementary material The online version of this article (10.1186/s12864-018-5341-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Pouya Dini
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.,Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Lexington, KY, USA
| | - Peter Daels
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Shavahn C Loux
- Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Lexington, KY, USA
| | - Alejandro Esteller-Vico
- Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Lexington, KY, USA
| | - Mariano Carossino
- Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Lexington, KY, USA
| | - Kirsten E Scoggin
- Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Lexington, KY, USA
| | - Barry A Ball
- Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Lexington, KY, USA.
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102
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Tsetsarkin KA, Maximova OA, Liu G, Kenney H, Teterina N, Bloom ME, Grabowski JM, Mlera L, Nagata BM, Moore I, Martens C, Amaro-Carambot E, Lamirande EW, Whitehead SS, Pletnev AG. Routes of Zika virus dissemination in the testis and epididymis of immunodeficient mice. Nat Commun 2018; 9:5350. [PMID: 30559387 PMCID: PMC6297220 DOI: 10.1038/s41467-018-07782-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 11/24/2018] [Indexed: 02/06/2023] Open
Abstract
Sexual transmission and persistence of Zika virus (ZIKV) in the male reproductive tract (MRT) poses new challenges for controlling virus outbreaks and developing live-attenuated vaccines. To elucidate routes of ZIKV dissemination in the MRT, we here generate microRNA-targeted ZIKV clones that lose the infectivity for (1) the cells inside seminiferous tubules of the testis, or (2) epithelial cells of the epididymis. We trace ZIKV dissemination in the MRT using an established mouse model of ZIKV pathogenesis. Our results support a model in which ZIKV infects the testis via a hematogenous route, while infection of the epididymis can occur via two routes: (1) hematogenous/lymphogenous and (2) excurrent testicular. Co-targeting of the ZIKV genome with brain-, testis-, and epididymis-specific microRNAs restricts virus infection of these organs, but does not affect virus-induced protective immunity in mice and monkeys. These defined alterations of ZIKV tropism represent a rational design of a safe live-attenuated ZIKV vaccine.
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Affiliation(s)
- Konstantin A Tsetsarkin
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Olga A Maximova
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Guangping Liu
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Heather Kenney
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Natalia Teterina
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Marshall E Bloom
- Biology of Vector-Borne Viruses Section, Laboratory of Virology, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 59840, MT, USA
| | - Jeffrey M Grabowski
- Biology of Vector-Borne Viruses Section, Laboratory of Virology, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 59840, MT, USA
| | - Luwanika Mlera
- Biology of Vector-Borne Viruses Section, Laboratory of Virology, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 59840, MT, USA
| | - Bianca M Nagata
- Infectious Disease and Pathogenesis Section, Comparative Medicine Branch, NIAID, NIH, Rockville, 20892, MD, USA
| | - Ian Moore
- Infectious Disease and Pathogenesis Section, Comparative Medicine Branch, NIAID, NIH, Rockville, 20892, MD, USA
| | - Craig Martens
- Research Technologies (RT) Section, RT Branch, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 58940, MT, USA
| | | | | | | | - Alexander G Pletnev
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA.
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103
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Guo D, Jiang H, Chen Y, Yang J, Fu Z, Li J, Han X, Wu X, Xia Y, Wang X, Chen L, Tang Q, Wu W. Elevated microRNA-141-3p in placenta of non-diabetic macrosomia regulate trophoblast proliferation. EBioMedicine 2018; 38:154-161. [PMID: 30420300 PMCID: PMC6306401 DOI: 10.1016/j.ebiom.2018.11.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/21/2018] [Accepted: 11/01/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Several studies have reported microRNAs (miRNAs) could regulate the placental development, though the role and mechanism of miRNAs in the development of non-diabetic macrosomia (NDFMS) remains unclear. METHODS To identify the aberrantly expressed key miRNAs in placenta of NDFMS, we employed a strategy consisting of initial screening with miRNA microarray and further validation with quantitative RT-PCR assay (qRT-PCR). In vitro cellular model and a mouse pregnancy model were used to delineate the functional effects of key miRNA on proliferation, invasion, and migration. FINDINGS miR-141-3p was identified as the key miRNA with expression level significantly higher in placentas of NDFMS compared with those from normal controls. Overexpressed miR-141-3p in HTR-8/SVneo cells contributed to increased cell proliferation, invasion, and migration. miR-141-3p inhibition in HTR-8/SVneo cells resulted in decreased cell proliferation and invasion. Significantly increased infant birth weight was observed in late pregnancy of C57BL/6J mice treated with miR-141-3p agomir. However, no significant difference was found in early pregnancy of C57BL/6J mice treated with miR-141-3p agomir. INTERPRETATION miR-141-3p could stimulate placental cell proliferation to participate in the occurrence and development of NDFMS.
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Affiliation(s)
- Dan Guo
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; Department of Preventive Health Branch, The Affiliated Jiangning Hospital With Nanjing Medical University, Nanjing, China
| | - Hua Jiang
- Department of Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Yiqiu Chen
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jing Yang
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Ziqiang Fu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jing Li
- Department of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Xiumei Han
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xian Wu
- Interdisciplinary Toxicology Program, University of Georgia, Athens, GA, USA
| | - Yankai Xia
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xinru Wang
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Liping Chen
- Department of Gynecology and Obstetrics, Second Affiliated Hospital of Nantong University, Nantong, China.
| | - Qiuqin Tang
- Department of Obstetrics, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China.
| | - Wei Wu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China; National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC, USA.
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104
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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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105
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Tsamou M, Martens DS, Cox B, Madhloum N, Vrijens K, Nawrot TS. Sex-specific associations between telomere length and candidate miRNA expression in placenta. J Transl Med 2018; 16:254. [PMID: 30208911 PMCID: PMC6134555 DOI: 10.1186/s12967-018-1627-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 09/04/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND In the early-life environment, proper development of the placenta is essential for both fetal and maternal health. Telomere length at birth has been related to life expectancy. MicroRNAs (miRNAs) as potential epigenetic determinants of telomere length at birth have not been identified. In this study, we investigate whether placental miRNA expression is associated with placental telomere length at birth. METHODS We measured the expression of seven candidate miRNAs (miR-16-5p, -20a-5p, -21-5p, -34a-5p, 146a-5p, -210-3p and -222-3p) in placental tissue at birth in 203 mother-newborn (51.7% girls) pairs from the ENVIRONAGE birth cohort. We selected miRNAs known to be involved in crucial cellular processes such as inflammation, oxidative stress, cellular senescence related to aging. Placental miRNA expression and relative average placental telomere length were measured using RT-qPCR. RESULTS Both before and after adjustment for potential covariates including newborn's ethnicity, gestational age, paternal age, maternal smoking status, maternal educational status, parity, date of delivery and outdoor temperature during the 3rd trimester of pregnancy, placental miR-34a, miR-146a, miR-210 and miR-222 expression were significantly (p ≤ 0.03) and positively associated with placental relative telomere length in newborn girls. In newborn boys, only higher expression of placental miR-21 was weakly (p = 0.08) associated with shorter placental telomere length. Significant miRNAs explain around 6-8% of the telomere length variance at birth. CONCLUSIONS Placental miR-21, miR-34a, miR-146a, miR-210 and miR-222 exhibit sex-specific associations with telomere length in placenta. Our results indicate miRNA expression in placental tissue could be an important determinant in the process of aging starting from early life onwards.
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Affiliation(s)
- Maria Tsamou
- Center for Environmental Sciences, Hasselt University, 3500, Hasselt, Belgium
| | - Dries S Martens
- Center for Environmental Sciences, Hasselt University, 3500, Hasselt, Belgium
| | - Bianca Cox
- Center for Environmental Sciences, Hasselt University, 3500, Hasselt, Belgium
| | - Narjes Madhloum
- Center for Environmental Sciences, Hasselt University, 3500, Hasselt, Belgium
| | - Karen Vrijens
- Center for Environmental Sciences, Hasselt University, 3500, Hasselt, Belgium.
| | - Tim S Nawrot
- Center for Environmental Sciences, Hasselt University, 3500, Hasselt, Belgium.,Environment & Health Unit, Department of Public Health, Leuven University (KU Leuven), 3000, Louvain, Belgium
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106
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Nishiguchi A, Gilmore C, Sood A, Matsusaki M, Collett G, Tannetta D, Sargent IL, McGarvey J, Halemani ND, Hanley J, Day F, Grant S, Murdoch-Davis C, Kemp H, Verkade P, Aplin JD, Akashi M, Case CP. In vitro placenta barrier model using primary human trophoblasts, underlying connective tissue and vascular endothelium. Biomaterials 2018; 192:140-148. [PMID: 30448698 DOI: 10.1016/j.biomaterials.2018.08.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/07/2018] [Accepted: 08/08/2018] [Indexed: 02/03/2023]
Abstract
Fetal development may be compromised by adverse events at the placental interface between mother and fetus. However, it is still unclear how the communication between mother and fetus occurs through the placenta. In vitro - models of the human placental barrier, which could help our understanding and which recreate three-dimensional (3D) structures with biological functionalities and vasculatures, have not been reported yet. Here we present a 3D-vascularized human primary placental barrier model which can be constructed in 1 day. We illustrate the similarity of our model to first trimester human placenta, both in its structure and in its ability to respond to altered oxygen and to secrete factors that cause damage cells across the barrier including embryonic cortical neurons. We use this model to highlight the possibility that both the trophoblast and the endothelium within the placenta might play a role in the fetomaternal dialogue.
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Affiliation(s)
- Akihiro Nishiguchi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Catherine Gilmore
- Musculoskeletal Research Unit, School of Clinical Sciences, University of Bristol, Southmead Hospital, Bristol BS10 5NB, UK
| | - Aman Sood
- Musculoskeletal Research Unit, School of Clinical Sciences, University of Bristol, Southmead Hospital, Bristol BS10 5NB, UK
| | - Michiya Matsusaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan; PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Gavin Collett
- Nuffield Department of Obstetrics and Gynaecology, University of Oxford, Oxford, UK
| | - Dionne Tannetta
- Nuffield Department of Obstetrics and Gynaecology, University of Oxford, Oxford, UK
| | - Ian L Sargent
- Nuffield Department of Obstetrics and Gynaecology, University of Oxford, Oxford, UK
| | | | | | - Jon Hanley
- School of Biochemistry, University of Bristol, Bristol, UK
| | - Fiona Day
- Department of Obstetrics and Gynaecology, Southmead Hospital, Bristol, UK
| | - Simon Grant
- Department of Obstetrics and Gynaecology, Southmead Hospital, Bristol, UK
| | | | - Helena Kemp
- Department of Clinical Pathology, Southmead Hospital, Bristol, UK
| | - Paul Verkade
- Department of Biochemistry, University of Bristol, Bristol, UK
| | - John D Aplin
- Maternal and Fetal Health Research Group, University of Manchester, 5th Floor Research, St Mary's Hospital, Manchester, UK
| | - Mitsuru Akashi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - C Patrick Case
- Musculoskeletal Research Unit, School of Clinical Sciences, University of Bristol, Southmead Hospital, Bristol BS10 5NB, UK
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107
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Familari M, Cronqvist T, Masoumi Z, Hansson SR. Placenta-derived extracellular vesicles: their cargo and possible functions. Reprod Fertil Dev 2018; 29:433-447. [PMID: 26411402 DOI: 10.1071/rd15143] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2015] [Accepted: 08/29/2015] [Indexed: 12/15/2022] Open
Abstract
The literature on extracellular vesicles consists of rapidly expanding and often contradictory information. In this paper we attempt to review what is currently known regarding extracellular vesicles released specifically from human placental syncytiotrophoblast cells with a focus on the common but complex pregnancy-associated syndrome pre-eclampsia, where the level of syncytiotrophoblast extracellular vesicle release is significantly increased. We review common methods for syncytiotrophoblast extracellular vesicle derivation and isolation and we discuss the cargo of syncytiotrophoblast extracellular vesicles including proteins, RNA and lipids and their possible functions. A meta-analysis of available trophoblast-derived extracellular vesicle proteomic datasets revealed only three proteins in common: albumin, fibronectin-1 and plasminogen activator inhibitor-1, suggesting some variability in vesicle cargo, most likely reflecting stage and cell type of origin. We discuss the possible sources of variability that may have led to the low number of common markers, which has led us to speculate that markers and density in common use may not be strict criteria for identifying and isolating placenta-derived exosomes.
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Affiliation(s)
- Mary Familari
- School of Biosciences, University of Melbourne, Parkville, Vic. 3010, Australia
| | - Tina Cronqvist
- Lund University, Department of Clinical Sciences, Lund, Obstetrics and Gynecology, Klinikgatan 28, 221 85 Lund, Sweden
| | - Zahra Masoumi
- Lund University, Department of Clinical Sciences, Lund, Obstetrics and Gynecology, Klinikgatan 28, 221 85 Lund, Sweden
| | - Stefan R Hansson
- Lund University, Department of Clinical Sciences, Lund, Obstetrics and Gynecology, Klinikgatan 28, 221 85 Lund, Sweden
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108
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Eskandari F, Rezaei M, Mohammadpour-Gharehbagh A, Teimoori B, Yaghmaei M, Narooei-Nejad M, Salimi S. The association of pri-miRNA- 26a1 rs7372209 polymorphism and Preeclampsia susceptibility. Clin Exp Hypertens 2018; 41:268-273. [PMID: 29750583 DOI: 10.1080/10641963.2018.1469643] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
MicroRNAs (miRNAs) are a class of noncoding small RNAs which regulate gene expression through post-transcriptional repression or degradation of messenger RNA. They play very important roles in various biological processes including growth, differentiation, and proliferation, as well as apoptosis, angiogenesis, and metabolism. Therefore, in the present study, we evaluated the possible effect of functional rs7372209C/T polymorphism in the 5'- region of pri-miRNA- 26a1gene on preeclampsia(PE) susceptibility. This case-control study was conducted on 219 PE women and 204 unrelated healthy controls. The amplification refractory mutation system-polymerase chain reaction method was used for rs7372209C/T genotyping. The pri-miRNA- 26a1 rs7372209CT genotype was associated with decreased PE risk (OR, 0.5 [95% CI, 0.3-0.8], P = 0.001). The frequency of rs7372209TT genotype did not differ between two groups. In addition, the pri-miRNA- 26a1 rs7372209 polymorphism was associated with lower risk of PE in dominant model (CT+TT vs CC) (OR, 0.5 [95% CI, 0.4-0.8], P = 0.002). Although there was no significant difference between mild and severe PE women according to rs7372209CT genotype, the differences between mild and severe PE groups with controls remained significant. The frequency of pri-miRNA-26a1 rs7372209CT genotype was not different between late-onset PE and early onset PE groups. The present study showed for the first time that the pri-miRNA- 26a1 rs7372209 polymorphism was associated with lower risk of mild and severe PE in the dominant model and this polymorphism could be a protective factor for PE susceptibility.
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Affiliation(s)
- Fatemeh Eskandari
- a Department of Clinical Biochemistry, School of Medicine , Zahedan University of Medical Sciences , Zahedan , Iran (the Islamic Republic of)
| | - Mahnaz Rezaei
- a Department of Clinical Biochemistry, School of Medicine , Zahedan University of Medical Sciences , Zahedan , Iran (the Islamic Republic of)
| | - Abbas Mohammadpour-Gharehbagh
- a Department of Clinical Biochemistry, School of Medicine , Zahedan University of Medical Sciences , Zahedan , Iran (the Islamic Republic of)
| | - Batool Teimoori
- b Department of Obstetrics and Gynecology, School of Medicine , Zahedan University of Medical sciences , Zahedan , Iran (the Islamic Republic of)
| | - Minoo Yaghmaei
- c Department of Obstetrics and Gynecology, School of Medicine , Shahid Beheshty University of Medical Sciences , Tehran , Iran (the Islamic Republic of)
| | - Mehrnaz Narooei-Nejad
- d Department of Genetics, school of medicine , Zahedan University of Medical Sciences , Zahedan , Iran (the Islamic Republic of)
| | - Saeedeh Salimi
- a Department of Clinical Biochemistry, School of Medicine , Zahedan University of Medical Sciences , Zahedan , Iran (the Islamic Republic of).,e Cellular and Molecular Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences , Zahedan , Iran (the Islamic Republic of)
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109
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Zhong J, Baccarelli AA, Mansur A, Adir M, Nahum R, Hauser R, Bollati V, Racowsky C, Machtinger R. Maternal Phthalate and Personal Care Products Exposure Alters Extracellular Placental miRNA Profile in Twin Pregnancies. Reprod Sci 2018; 26:289-294. [PMID: 29690855 DOI: 10.1177/1933719118770550] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Prenatal exposure to endocrine-disrupting chemicals (EDCs) exerts both short- and long-term adverse effects on the developing fetus. However, the mechanisms underlying these effects have yet to be uncovered. Maternal-fetal signaling is mediated in part by signaling molecules (eg, microRNAs [miRNAs]) contained in extracellular vesicles (EVs) that are released by the placenta into the maternal circulation. We investigated whether maternal exposure to the EDCs phthalates and personal care products alters the miRNA profile of placental-derived EVs circulating in maternal blood. Blood and urine samples from pregnant women with uncomplicated term dichorionic, diamniotic twin pregnancies were analyzed as part of a larger study investigating correlations between exposure of phthalate and personal care products and epigenetic alterations in twin pregnancies. We explored correlations between maternal urinary levels of 13 phthalate and 12 personal care products metabolites and the miRNA profile of placental EVs (EV-miRNAs) circulating in maternal blood. The expression of miR-518e was highest among women with high urinary levels of monobenzyl phthalate and methyl paraben. miR-373-3p was the least expressed in women exposed to high levels of methyl paraben, and miR-543 was significantly downregulated in women exposed to high levels of paraben metabolites, dichlorophenol metabolites, and triclosan. In conclusion, this pilot study reveals that prenatal exposure to EDCs is associated with altered profile of circulating placenta-derived EV-miRNAs. Further studies are needed to generalize these results to singleton pregnancies and to assess whether these alterations are associated with pregnancy complications.
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Affiliation(s)
- Jia Zhong
- 1 Environmental Precision Biosciences Laboratory, Columbia University, Mailman School of Public Health, New York, NY, USA
| | - Andrea A Baccarelli
- 1 Environmental Precision Biosciences Laboratory, Columbia University, Mailman School of Public Health, New York, NY, USA
| | - Abdallah Mansur
- 2 Department of Obstetrics and Gynecology, Sheba Medical Center, Ramat-Gan and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Michal Adir
- 2 Department of Obstetrics and Gynecology, Sheba Medical Center, Ramat-Gan and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ravit Nahum
- 2 Department of Obstetrics and Gynecology, Sheba Medical Center, Ramat-Gan and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Russ Hauser
- 3 Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,4 Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Valentina Bollati
- 5 EPIGET LAB, Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
| | - Catherine Racowsky
- 6 Department of Obstetrics and Gynecology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Ronit Machtinger
- 2 Department of Obstetrics and Gynecology, Sheba Medical Center, Ramat-Gan and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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110
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Schmidt JK, Block LN, Golos TG. Defining the rhesus macaque placental miRNAome: Conservation of expression of placental miRNA clusters between the macaque and human. Placenta 2018; 65:55-64. [PMID: 29908642 DOI: 10.1016/j.placenta.2018.04.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/29/2018] [Accepted: 04/06/2018] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Expression of microRNAs (miRNAs) in the human placenta is dynamic across gestation, with expression of miRNAs belonging to the C14MC, C19MC and miR-371-3 clusters. Specifically, miRNAs within the C19MC cluster are exclusively expressed in primates with predominant expression in the placenta. Non-human primates can be utilized to study developmental processes of placentation in vivo that cannot be assessed in the human placenta, however, miRNA expression has not been defined in the macaque placenta. Our objective was to profile miRNAs in the macaque placenta, hypothesizing that expression is conserved between the macaque and human placenta. METHODS Total RNA from first trimester and term macaque placentas (n = 4 per group) was analyzed through RNA-sequencing and validated by quantitative real-time PCR (qRT-PCR). RESULTS A total of 607 pre-miRNAs previously annotated in the macaque reference database (miRBase21) were detected, and 166 miRNAs were differentially expressed between first trimester and term placentas. A total of 457 unannotated sequences were detected and deemed candidate novel miRNAs by miRDeep2 software. Differential expression was confirmed for six of nine miRNAs evaluated by qRT-PCR. Comparative analysis demonstrated expression of several miRNA orthologs of human pregnancy-associated miRNA clusters in the macaque placenta. CONCLUSIONS Profiling placental miRNAs of the macaque revealed conserved expression of a number of miRNAs within the C14MC, C19MC and miR-371-3 clusters between the human and macaque. These results establish non-human primates as a model for human placentation and miRNA biology, with the prediction of their functional significance in placental development and function.
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Affiliation(s)
- Jenna Kropp Schmidt
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, 53715, USA.
| | - Lindsey N Block
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, 53715, USA; Department of Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, WI, 53715, USA
| | - Thaddeus G Golos
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, 53715, USA; Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, WI, 53715, USA; Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI, 53715, USA
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Li K, Rodosthenous RS, Kashanchi F, Gingeras T, Gould SJ, Kuo LS, Kurre P, Lee H, Leonard JN, Liu H, Lombo TB, Momma S, Nolan JP, Ochocinska MJ, Pegtel DM, Sadovsky Y, Sánchez-Madrid F, Valdes KM, Vickers KC, Weaver AM, Witwer KW, Zeng Y, Das S, Raffai RL, Howcroft TK. Advances, challenges, and opportunities in extracellular RNA biology: insights from the NIH exRNA Strategic Workshop. JCI Insight 2018; 3:98942. [PMID: 29618663 DOI: 10.1172/jci.insight.98942] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Extracellular RNA (exRNA) has emerged as an important transducer of intercellular communication. Advancing exRNA research promises to revolutionize biology and transform clinical practice. Recent efforts have led to cutting-edge research and expanded knowledge of this new paradigm in cell-to-cell crosstalk; however, gaps in our understanding of EV heterogeneity and exRNA diversity pose significant challenges for continued development of exRNA diagnostics and therapeutics. To unravel this complexity, the NIH convened expert teams to discuss the current state of the science, define the significant bottlenecks, and brainstorm potential solutions across the entire exRNA research field. The NIH Strategic Workshop on Extracellular RNA Transport helped identify mechanistic and clinical research opportunities for exRNA biology and provided recommendations on high priority areas of research that will advance the exRNA field.
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Affiliation(s)
- Kang Li
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of California, San Francisco, and Veterans Affairs Medical Center, San Francisco, California, USA
| | | | - Fatah Kashanchi
- Laboratory of Molecular Virology, National Center for Biodefense and Infectious Diseases, George Mason University, Manassas, Virginia, USA
| | - Thomas Gingeras
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, USA
| | - Stephen J Gould
- Department of Biological Chemistry, Johns Hopkins University, Baltimore, Maryland, USA
| | - Lillian S Kuo
- National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Peter Kurre
- Doernbecher Children's Hospital, Department of Pediatrics and Papé Family Pediatric Research Institute, Oregon Health & Science University, Portland, Oregon, USA
| | - Hakho Lee
- Center for Systems Biology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Joshua N Leonard
- Department of Chemical and Biological Engineering, Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois, USA
| | - Huiping Liu
- Departments of Pharmacology and Medicine (Hematology and Oncology), Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Tania B Lombo
- NIH, Office of the Director, Environmental Influences on Child Health Outcomes Program, Bethesda, Maryland, USA
| | - Stefan Momma
- Institute of Neurology (Edinger Institute), Frankfurt University Medical School, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Frankfurt, Heidelberg, Germany
| | - John P Nolan
- Scintillon Institute, San Diego, California, USA
| | | | - D Michiel Pegtel
- Department of Pathology, Cancer Center Amsterdam, Vrije Universiteit (VU) University Medical Center, Amsterdam, The Netherlands
| | - Yoel Sadovsky
- Magee-Womens Research Institute, Department of Microbiology and Molecular Genetics, Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Francisco Sánchez-Madrid
- Instituto de Investigación Sanitaria Princesa, Hospital Universitario de la Princesa, Universidad Autónoma de Madrid, Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - Kayla M Valdes
- National Center for Advancing Translational Science, Bethesda, Maryland, USA
| | - Kasey C Vickers
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Alissa M Weaver
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Kenneth W Witwer
- Department of Molecular and Comparative Pathobiology, Department of Neurology, The Johns Hopkins University, Baltimore, Maryland, USA
| | - Yong Zeng
- Department of Chemistry, University of Kansas Cancer Center, Lawrence, Kansas, USA
| | - Saumya Das
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Robert L Raffai
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of California, San Francisco, and Veterans Affairs Medical Center, San Francisco, California, USA
| | - T Kevin Howcroft
- Cancer Immunology, Hematology, and Etiology Branch, Division of Cancer Biology, National Cancer Institute, Bethesda, Maryland, USA
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Dubey R, Malhotra SS, Gupta SK. Forskolin-mediated BeWo cell fusion involves down-regulation of miR-92a-1-5p that targets dysferlin and protein kinase cAMP-activated catalytic subunit alpha. Am J Reprod Immunol 2018; 79:e12834. [PMID: 29484758 DOI: 10.1111/aji.12834] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 02/04/2018] [Indexed: 12/16/2022] Open
Abstract
PROBLEM To study the role of miRNA(s) during trophoblastic BeWo cell fusion. METHOD OF STUDY Changes in miRNA(s) profile of BeWo cells treated with forskolin were analyzed using Affymetrix miRNA microarray platform. Down-regulated miRNA, miR-92a-1-5p, was overexpressed in BeWo cells followed by forskolin treatment to understand its relevance in the process of BeWo cell fusion by desmoplakin I+II staining and hCG secretion by ELISA. Predicted targets of miR-92a-1-5p were also confirmed by qRT-PCR/Western blotting. RESULTS The miRNA profiling of BeWo cells after forskolin (25 μmol/L) treatment identified miR-92a-1-5p as the most significantly down-regulated miRNA both at 24 and 48 hours time points. Overexpression of miR-92a-1-5p in these cells led to a significant decrease in forskolin-mediated cell fusion and hCG secretion. miRNA target prediction software, TargetScan, revealed dysferlin (DYSF) and protein kinase cAMP-activated catalytic subunit alpha (PRKACA), as target genes of miR-92a-1-5p. Overexpression of miR-92a-1-5p in BeWo cells showed reduction in forskolin-induced transcripts for DYSF and PRKACA. Further, reduction in DYSF (~2.6-fold) at protein level and PRKACA-encoded protein kinase A catalytic subunit alpha (PKAC-α; ~1.6-fold) were also observed. CONCLUSION These observations suggest that miR-92a-1-5p regulates forskolin-mediated BeWo cell fusion and hCG secretion by regulating PKA signaling pathway and dysferlin expression.
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Affiliation(s)
- Richa Dubey
- Reproductive Cell Biology Laboratory, National Institute of Immunology, New Delhi, India
| | - Sudha S Malhotra
- Reproductive Cell Biology Laboratory, National Institute of Immunology, New Delhi, India
| | - Satish K Gupta
- Reproductive Cell Biology Laboratory, National Institute of Immunology, New Delhi, India
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Verma S, Pal R, Gupta SK. Decrease in invasion of HTR-8/SVneo trophoblastic cells by interferon gamma involves cross-communication of STAT1 and BATF2 that regulates the expression of JUN. Cell Adh Migr 2018; 12:432-446. [PMID: 29394132 DOI: 10.1080/19336918.2018.1434030] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Trophoblast invasion is one of the critical steps during embryo implantation. IFNG secreted during pregnancy by uterine NK cells acts as a negative regulator of invasion. IFNG in a dose dependent fashion inhibits invasion of HTR-8/SVneo trophoblastic cells. It phosphorylates STAT1 both at tyr 701 and ser 727 residues. Silencing of STAT1 significantly increases invasion (∼59%) of the cells. Based on NGS data, out of 207 genes, BATF2 expression was significantly increased after IFNG treatment. Silencing of BATF2 significantly increases the invasion of cells with (∼53%) or without (∼44%) treatment with IFNG. Expression of BATF2 and STAT1 is dependent on each other, silencing of one significantly inhibit the expression of other. Interestingly, phosphorylated JUN is also regulated by BATF2 and STAT1. Collectively, these findings showed that decrease in the invasion of HTR-8/SVneo cells after IFNG treatment is controlled by STAT1 and BATF2, which further regulates the expression of JUN.
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Affiliation(s)
- Sonam Verma
- a Reproductive Cell Biology Laboratory, National Institute of Immunology , New Delhi - 110 067 , India
| | - Rahul Pal
- b Immunoendocrinology Laboratory, National Institute of Immunology , New Delhi , India
| | - Satish Kumar Gupta
- a Reproductive Cell Biology Laboratory, National Institute of Immunology , New Delhi - 110 067 , India
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MicroRNA-30a-3p is overexpressed in the placentas of patients with preeclampsia and affects trophoblast invasion and apoptosis by its effects on IGF-1. Am J Obstet Gynecol 2018; 218:249.e1-249.e12. [PMID: 29155142 DOI: 10.1016/j.ajog.2017.11.568] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 10/27/2017] [Accepted: 11/08/2017] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Preeclampsia (PE) affects many women globally and remains a primary cause of neonatal and maternal morbidity and mortality. Aberrant placental microRNA (miRNA) expression might be associated with PE. Previously, 33 PE-related miRNAs, 11 up-regulated and 23 down-regulated, were detected in placentas of women with severe PE when compared with those of normal patients. One of the most up-regulated miRNAs in PE is miR-30a-3p. The predicted target of it is insulin-like growth factor 1 (IGF-1), which has been reported to have a relatively low expression level in PE patients. This study was conducted to determine the aberrant increased of miR-30a-3p in the placentas of women with preeclampsia and to elucidate the target and function of it in trophoblast cells. STUDY DESIGN miR-30a-3p expression in placenta tissues was compared between women with preeclampsia (n = 25) and normal pregnant women (n = 20). The miRNA target was studied by in silico and functional assay. The effects of the miRNA were verified by apoptosis assay and invasion assay in the trophoblast cell line. RESULTS miR-30a-3p was increased significantly in the placenta of women with preeclampsia when compared to those with normal pregnancies. Luciferase assay confirmed direct regulation of miR-30a-3p on the expression of IGF-1. Forced expression of miR-30a-3p suppressed IGF-1 protein expression in the HTR-8/SVneo cells. The functional assay suggests that the over-expression of miR-30a-3p alter the invasive capacity of JEG-3 cells and induce the apoptosis of HTR-8/SVneo cells (Figure). CONCLUSION Expression of miR-30a-3p was significantly increased in the placentas of patients with preeclampsia. miR-30a-3p might be involved in the pathogenesis of preeclampsia by targeting IGF-1 and regulating the invasion and apoptosis of trophoblast cells.
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Gao T, Deng M, Wang Q. MiRNA-320a inhibits trophoblast cell invasion by targeting estrogen-related receptor-gamma. J Obstet Gynaecol Res 2018; 44:756-763. [PMID: 29345032 DOI: 10.1111/jog.13560] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 10/21/2017] [Indexed: 02/05/2023]
Abstract
AIM MicroRNAs (miRs) play an essential role in the modulation of trophoblast function. We explored miR-320a expression in the human placenta. In addition, we report the promising effect and target functional loop of miR-320a in trophoblasts. METHODS MiR-320a expression was investigated in both pre-eclamptic and healthy placenta tissues by quantitative real time-polymerase chain reaction to determine how miR-320a affected invasion, proliferation and migration in trophoblasts. A lipopolysaccharide (LPS) model was established in trophoblasts to reveal how LPS supplementation stimulated miR-320a expression. Western blot was applied to measure protein expression, which was involved in pathways modulated by miR-320a in pre-eclamptic placentas. RESULTS MiR-320a expression was enhanced in the placental specimens of pre-eclamptic patients. Excessive miR-320a expression remarkably suppressed trophoblast invasion but did not affect migration or proliferation. However, transfection with miR-320a inhibitor reinforced trophoblast invasion in vitro. Luciferase assays verified that estrogen-related receptor-gamma (ERRγ) served as a direct target of miR-320a. Quantitative real-time polymerase chain reaction and Western blot demonstrated that excessive miR-320a expression downregulated ERRγ transcription and translation. Additionally, LPS supplementation showed excessive miR-320a expression and ERRγ downregulation. Impaired ERRγ and enhanced miR-320a expression occurred in PE placentas compared to controls. Pearson correlation and linear regression analysis revealed that miR-320a expression was negatively related to ERRγ expression in normal and pre-eclamptic placentas. CONCLUSIONS These findings indicate that miR-320a overexpression causes anomalous placentation by targeting ERRγ. Our research reveals the promising effect of miR-320a and the ERRγ functional loop on placentation.
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Affiliation(s)
- Tian Gao
- Department of Gynecology and Obstetrics, the First Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Mou Deng
- Department of Gynecology and Obstetrics, the First Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Qian Wang
- Department of Gynecology and Obstetrics, the First Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Chiarello DI, Salsoso R, Toledo F, Mate A, Vázquez CM, Sobrevia L. Foetoplacental communication via extracellular vesicles in normal pregnancy and preeclampsia. Mol Aspects Med 2017; 60:69-80. [PMID: 29222068 DOI: 10.1016/j.mam.2017.12.002] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/28/2017] [Accepted: 12/04/2017] [Indexed: 02/06/2023]
Abstract
Intercellular communication is a critical process in biological mechanisms. During pregnancy foetoplacental tissues release a heterogeneous group of extracellular vesicles (EVs) that include exosomes, microvesicles, apoptotic bodies, and syncytial nuclear aggregates. These vesicles contain a complex cargo (proteins, DNA, mRNA transcripts, microRNAs, noncoding RNA, lipids, and other molecules) that actively participate in the maternal-foetal communication by modulating different processes during gestation for a successful foetal development. Each stage of human gestation is marked by events such as immunomodulation, proliferation, invasion, migration, and differentiation, among others, requiring EVs-mediated signalling to be nearby or distant target cells. Furthermore, EVs also associate with pregnancy pathologies such as preeclampsia and intrauterine growth restriction. This review addresses the role of EVs in human foetomaternal communication in normal pregnancy and preeclampsia.
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Affiliation(s)
- Delia I Chiarello
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile.
| | - Rocío Salsoso
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Seville E-41012, Spain
| | - Fernando Toledo
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Basic Sciences, Faculty of Sciences, Universidad Del Bío-Bío, Chillán 3780000, Chile
| | - Alfonso Mate
- Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Seville E-41012, Spain
| | - Carmen M Vázquez
- Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Seville E-41012, Spain
| | - Luis Sobrevia
- Cellular and Molecular Physiology Laboratory (CMPL), Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Seville E-41012, Spain; University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine and Biomedical Sciences, University of Queensland, Herston, QLD 4029 Queensland, Australia.
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Combination of vitamin B12 active forms improved fetal growth in Wistar rats through up-regulation of placental miR-16 and miR-21 levels. Life Sci 2017; 191:97-103. [DOI: 10.1016/j.lfs.2017.10.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 10/11/2017] [Accepted: 10/11/2017] [Indexed: 01/20/2023]
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Circulating levels of specific members of chromosome 19 microRNA cluster are associated with preeclampsia development. Arch Gynecol Obstet 2017; 297:365-371. [PMID: 29196869 DOI: 10.1007/s00404-017-4611-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Accepted: 11/27/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE To perform serum microRNA expression profiling to identify members of chromosome 19 miRNA cluster involved in preeclampsia development. METHODS Serum chromosome 19 miRNA cluster microRNA expression profiling was evaluated at 12, 16, and 20 gestational weeks and at the time of preeclampsia diagnosis, in women who developed preeclampsia (WWD-PE; n = 16) and controls (n = 18) using TaqMan low density array plates. RESULTS A total of 51 chromosome 19 microRNA cluster members were evaluated. The circulating hsa-miRs 512-3p, 518f-3p, 520c-3p, and 520d-3p, were differentially expressed between groups (P < 0.05). Compared with controls, serum levels of hsa-miR-518f-3p at 20 GW were useful for identifying WWD-Mild-PE (P = 0.035) and WWD-Severe-PE (P = 0.007). CONCLUSIONS Serum hsa-miRs 512-3p, 518f-3p, 520c-3p, and 520d-3p, are differentially expressed between WWD-PE and controls and their role in the development of preeclampsia should be investigated further.
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Timofeeva AV, Gusar VA, Kan NE, Prozorovskaya KN, Karapetyan AO, Bayev OR, Chagovets VV, Kliver SF, Iakovishina DY, Frankevich VE, Sukhikh GT. Identification of potential early biomarkers of preeclampsia. Placenta 2017; 61:61-71. [PMID: 29277273 DOI: 10.1016/j.placenta.2017.11.011] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 11/16/2017] [Accepted: 11/18/2017] [Indexed: 11/25/2022]
Abstract
INTRODUCTION It is thought that poor placental perfusion caused by inadequate remodelling of the maternal spiral arteries leads to preeclampsia (PE). To identify novel signalling pathways that contribute to PE pathogenesis and to create prerequisites for the non-invasive diagnosis of PE before clinical manifestations of the disease, this study aimed to evaluate miRNA expression levels in the placenta and blood plasma of pregnant women. METHODS miRNA deep sequencing followed by real-time quantitative RT-PCR was applied to compare miRNA expression profiles in the placenta and blood plasma from women with early- and late-onset PE relative to the control group. RESULTS A more than two-fold decrease in miR-532-5p, -423-5p, -127-3p, -539-5p, -519a-3p, and -629-5p and let-7c-5p expression levels was observed in the placenta, while a more than two-fold increase in miR-423-5p, 519a-3p, and -629-5p and let-7c-5p was observed in the blood plasma of pregnant women with PE. The above-listed miRNAs are associated with PE for the first time in this study, except for miR-519a-3p, whose role in PE has already been postulated. Using a logistic regression, plasma samples were classified into the early-onset PE group (probability p = 0.01, 80% specificity, 87.5% sensitivity and 87.5% precision) and showed increased miR-423-5p expression levels that were confirmed by the 9.8-fold up-regulation (р = 0.0002498) of miR-423-5p expression observed in the blood plasma at 11-13 GW by RT-PCR in a group of pregnant women manifesting severe PE clinical signs at 28-33 GW. CONCLUSIONS miR-423-5p may be considered a potential candidate for the early diagnosis of PE during the targeted management of high-risk pregnancies.
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Affiliation(s)
- Angelika V Timofeeva
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia.
| | - Vladyslava A Gusar
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
| | - Nataliya E Kan
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
| | - Kseniya N Prozorovskaya
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
| | - Anna O Karapetyan
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
| | - Oleg R Bayev
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
| | - Vitaliy V Chagovets
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
| | - Sergei F Kliver
- Theodosius Dobzhansky Center for Genome Bioinformatics, Saint Petersburg State University, 41A Sredniy Avenue, St. Petersburg, 199004, Russia; Ksivalue LLC, Russia
| | | | - Vladimir E Frankevich
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
| | - Gennadiy T Sukhikh
- Federal State Budget Institution "Research Center for Obstetrics, Gynecology and Perinatology", Ministry of Healthcare of the Russian Federation, Oparin Street, 4, Moscow, 117997, Russia
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Vaira V, Verdelli C, Forno I, Corbetta S. MicroRNAs in parathyroid physiopathology. Mol Cell Endocrinol 2017; 456:9-15. [PMID: 27816765 DOI: 10.1016/j.mce.2016.10.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 10/30/2016] [Accepted: 10/31/2016] [Indexed: 12/19/2022]
Abstract
Parathyroid glands regulate calcium homeostasis through synthesis and secretion of parathormone (PTH). They sense the extracellular calcium concentration through the G-protein coupled calcium sensing receptor (CASR) and release PTH in order to preserve calcium concentration in the physiological range. Tumors of the parathyroid glands are common endocrine neoplasia associated with primary or secondary/tertiary hyperparathyroidisms. Small non-coding RNAs are regulators of gene expression able to modulate hormone synthesis, hormone release and endocrine cell proliferation. In this scenario, microRNA (miRNA) expression profiles have been investigated in parathyroid tumors, while miRNAs are involved in hypocalcemia and uremia-induced PTH release from normal parathyroid cells. Here we reviewed data about the role of miRNAs in the regulation of: 1) PTH synthesis and secretion; 2) CASR expression; 3) parathyroid cell tumorigenesis. Though studies about miRNAs in parathyroid gland pathophysiology are limited, they contribute in elucidating regulatory pathways involved in PTH release and parathyroid cell tumorigenesis.
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Affiliation(s)
- V Vaira
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; Division of Pathology, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - C Verdelli
- Laboratory of Experimental Endocrinology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - I Forno
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; Division of Pathology, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - S Corbetta
- Endocrinology Service, Department of Biomedical Sciences for Health, University of Milan, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.
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Murphy MSQ, Tayade C, Smith GN. Maternal Circulating microRNAs and Pre-Eclampsia: Challenges for Diagnostic Potential. Mol Diagn Ther 2017; 21:23-30. [PMID: 27638415 DOI: 10.1007/s40291-016-0233-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Pre-eclampsia (PE) is a common hypertensive disorder of pregnancy with a significant impact on maternal and neonatal mortality and morbidity. While the pathogenesis of PE has been well described, identification of a biomarker(s) with robust predictive utility in identifying women at the highest risk of developing the condition has yet to be identified. In the search for diagnostic markers, those that may be obtained from the circulation are preferred alternatives to those derived from organ tissue samples. Because of their stability in plasma, microRNAs (miRNAs) have been explored as biomarkers in a host of disease states, although there is comparably little literature available on the circulating miRNAome of PE. This article provides a narrative review on the current state of knowledge on miRNAs associated with PE. Literature on circulating miRNAs is presented and the challenges to developing the diagnostic and prognostic utility of miRNAs in this context is discussed.
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Affiliation(s)
- Malia S Q Murphy
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Chandrakant Tayade
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Graeme N Smith
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada. .,Department of Obstetrics and Gynaecology, Kingston General Hospital, 76 Stuart St., Kingston, ON, K7L 2V7, Canada.
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Efficient production of trophoblast lineage cells from human induced pluripotent stem cells. J Transl Med 2017; 97:1188-1200. [PMID: 28287635 DOI: 10.1038/labinvest.2016.159] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Revised: 12/14/2016] [Accepted: 12/19/2016] [Indexed: 11/08/2022] Open
Abstract
Human induced pluripotent stem cells (hiPSCs) are potentially useful in both clinical applications and basic biological research. hiPSCs can differentiate into extra-embryonic cells in the presence of BMP4. However, the differentiation potential of hiPSCs can be affected by culture conditions or genetic variation. In this study, we investigated the effect of various BMP4 concentrations on the expression states of trophoblast markers and the optimal conditions for trophoblast induction. A high-fidelity gene expression assay using hiPSC lines showed that the expression levels of various trophoblast marker genes, such as KRT7, GCM1, CGB, and HLA-G, were upregulated by BMP4 in a dose-dependent manner in all types of hiPSCs used in this study. Treatment with high doses of BMP4 for prolonged periods increased the ratio of cells with trophoblast markers irrespective of the presence of bFGF. We found that the expression states of major pluripotency- and differentiation-related protein-coding genes in BMP4-treated cells depended on culture conditions rather than donor cell types. However, miRNA expression states were affected by donor cell types rather than BMP4 dose. Furthermore, the effect of the presence of bFGF on differentiation potential of KRT7-positive cells differed among iPSC types. Mechanistically, chromatin states around KRT7 promoter regions were comparable among the iPSC types used in this study, indicating that hiPSC chromatin state at these regions is not a parameter for cytotrophoblast differentiation potential. In conclusion, the optimal conditions for trophoblast differentiation from hiPSCs differ according to parental cell line.
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123
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Bounds KR, Chiasson VL, Pan LJ, Gupta S, Chatterjee P. MicroRNAs: New Players in the Pathobiology of Preeclampsia. Front Cardiovasc Med 2017; 4:60. [PMID: 28993808 PMCID: PMC5622156 DOI: 10.3389/fcvm.2017.00060] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 09/06/2017] [Indexed: 12/18/2022] Open
Abstract
Our understanding of how microRNAs (miRNAs) regulate gene networks and affect different molecular pathways leading to various human pathologies has significantly improved over the years. In contrary, the role of miRNAs in pregnancy-related hypertensive disorders such as preeclampsia (PE) is only beginning to emerge. Recent papers highlight that adverse pregnancy outcomes are associated with aberrant expression of several miRNAs. Presently, efforts are underway to determine the biologic function of these placental miRNAs which can shed light on their contribution to these pregnancy-related disease conditions. The discovery that miRNAs are stable in circulation coupled with the fact that the placenta is capable of releasing them to the circulation in exosomes generates a lot of enthusiasm to use them as biomarkers. In this review, we will summarize the recent findings of our understanding of miRNA regulation in relation to PE, a hypertensive disorder of pregnancy. Particular emphasis will be given to the role of key miRNA molecules such as miR-210 and miR-155 that are known to be consistently dysregulated in women with PE.
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Affiliation(s)
- Kelsey R Bounds
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Valorie L Chiasson
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Lu J Pan
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Sudhiranjan Gupta
- Department of Medical Physiology, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Piyali Chatterjee
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
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124
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Paikari A, D Belair C, Saw D, Blelloch R. The eutheria-specific miR-290 cluster modulates placental growth and maternal-fetal transport. Development 2017; 144:3731-3743. [PMID: 28935707 DOI: 10.1242/dev.151654] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 08/30/2017] [Indexed: 12/11/2022]
Abstract
The vertebrate-specific ESCC microRNA family arises from two genetic loci in mammals: miR-290/miR-371 and miR-302. The miR-302 locus is found broadly among vertebrates, whereas the miR-290/miR-371 locus is unique to eutheria, suggesting a role in placental development. Here, we evaluate that role. A knock-in reporter for the mouse miR-290 cluster is expressed throughout the embryo until gastrulation, when it becomes specifically expressed in extraembryonic tissues and the germline. In the placenta, expression is limited to the trophoblast lineage, where it remains highly expressed until birth. Deletion of the miR-290 cluster gene (Mirc5) results in reduced trophoblast progenitor cell proliferation and a reduced DNA content in endoreduplicating trophoblast giant cells. The resulting placenta is reduced in size. In addition, the vascular labyrinth is disorganized, with thickening of the maternal-fetal blood barrier and an associated reduction in diffusion. Multiple mRNA targets of the miR-290 cluster microRNAs are upregulated. These data uncover a crucial function for the miR-290 cluster in the regulation of a network of genes required for placental development, suggesting a central role for these microRNAs in the evolution of placental mammals.
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Affiliation(s)
- Alireza Paikari
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA.,Department of Urology, University of California, San Francisco, CA 94143, USA
| | - Cassandra D Belair
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA.,Department of Urology, University of California, San Francisco, CA 94143, USA
| | - Daniel Saw
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA.,Department of Urology, University of California, San Francisco, CA 94143, USA
| | - Robert Blelloch
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA .,Department of Urology, University of California, San Francisco, CA 94143, USA
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125
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Dai X, Cai Y. Down-regulation of microRNA let-7d inhibits the proliferation and invasion of trophoblast cells in preeclampsia. J Cell Biochem 2017; 119:1141-1151. [PMID: 28703916 DOI: 10.1002/jcb.26282] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Accepted: 07/10/2017] [Indexed: 12/21/2022]
Abstract
Preeclampsia (PE) is a serious pregnancy complication that continues to adverse effects on mother and the fetus. The study investigated the effect of microRNA let-7d (miR-let-7d) on the proliferation and invasion of trophoblast cells (TC) in PE. In situ hybridization techniques were employed to evaluate the miR-let-7d expressions in the placental tissues from 63 PE patients as well as 65 normal placental tissues. Transfection of pre-let-7d, anti-let-7d, and their corresponding control sequences was performed in TCs obtained from PE. The blank group was composed of TCs no transfection and normal group consisted of normal TCs. Expressions of proliferation and invasion markers in TCs were detected by qRT-PCR. Proliferation, apoptosis, and the invasion ability of the TCs were determined using a CCK-8 assay, flow cytometry, and Transwell assay. In comparison to the normal placental tissues, PE placental tissues exhibited increased levels of let-7d expression. Following transfection of anti-let-7d, when compared with the blank group, the anti-let-7d group displayed increased levels of proliferation ability, expression of proliferation labeling proteins PCNA and Ki67, number of TCs as well as expressions of the invasion related proteins MMP-2, MMP-9, and TIMP-1. In contrast declines in cell apoptosis rate were observed. Compared with the blank group, the changes of the indexes were reversed in the pre-let-7d group. The study provided evidence suggesting that low expression levels of miR-let-7d plays a central role in suppressing apoptosis in addition to promoting the proliferation and invasion of PE TCs.
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Affiliation(s)
- Xu Dai
- Department of Gynaecology and Obstetrics, The Fourth Hospital of Harbin Medical University, Harbin, P.R. China
| | - Yan Cai
- Department of, Obstetrics, The Fourth Hospital of Harbin Medical University, Harbin, P.R. China
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126
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Hromadnikova I, Kotlabova K, Ivankova K, Krofta L. Expression profile of C19MC microRNAs in placental tissue of patients with preterm prelabor rupture of membranes and spontaneous preterm birth. Mol Med Rep 2017; 16:3849-3862. [PMID: 28731129 PMCID: PMC5646962 DOI: 10.3892/mmr.2017.7067] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 07/03/2017] [Indexed: 12/18/2022] Open
Abstract
The aim of the study was to demonstrate that preterm birth (PTB) is associated with altered C19MC microRNA expression profile in placental tissues. Gene expression of 15 placental specific microRNAs (miR-512-5p, miR-515-5p, miR-516-5p, miR-517-5p, miR-518b, miR-518f-5p, miR-519a, miR-519d, miR-519e-5p, miR-520a-5p, miR-520h, miR-524-5p, miR-525-5p, miR-526a and miR-526b-5p) was compared between groups: 34 spontaneous PTB, 108 preterm prelabor rupture of membranes (PPROM) and 20 term in labor pregnancies. Correlation between variables including relative microRNA quantification in placental tissues and the gestational age at delivery, white blood cell (WBC) count at admission and serum levels of C-reactive protein at admission in patients with PPROM and PTB was determined. Expression profile of microRNAs was different between PPROM and term in labor pregnancies, PTB and term in labor pregnancies, and between gestational age-matched PPROM and PTB groups. When compared with term in labor pregnancies, while C19MC microRNAs showed a downregulation in PPROM pregnancies (miR-525-5p), in PTB pregnancies C19MC microRNAs were upregulated (miR-515-5p, miR-516-5p, miR-518b, miR-518f-5p, miR-519a, miR-519e-5p, miR-520a-5p, miR-520h, and miR-526b-5p) or showed a trend to upregulation (miR-519d and miR-526a). In comparison to PTB pregnancies, the PPROM group demonstrated a significant portion of downregulated C19MC microRNAs (miR-516-5p, miR-517-5p, miR-518b, miR-518f-5p, miR-519a, miR-519d, miR-519e-5p, miR-520a-5p, miR-520h, miR-525-5p, miR-526a and miR-526b-5p). In the group of PPROM pregnancies, a weak negative correlation between the gestational age at delivery and microRNA gene expression in placental tissue for all examined C19MC microRNAs was observed. PTB pregnancies showed a positive correlation (miR-512-5p, miR-515-5p, miR-519e-5p) or a trend to positive correlation (miR-516-5p, miR-518b, miR-520h) between particular C19MC microRNAs and maternal WBC count at admission. Our study demonstrates that upregulation of C19MC microRNAs is a characteristic phenomenon of PTB. PPROM pregnancies have a tendency to produce lower levels of miR-525-5p. All examined C19MC microRNAs displayed decreased expression with advancing gestational age in PPROM group.
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Affiliation(s)
- Ilona Hromadnikova
- Department of Molecular Biology and Cell Pathology, Third Faculty of Medicine, Charles University, 100 00 Prague 10, Czech Republic
| | - Katerina Kotlabova
- Department of Molecular Biology and Cell Pathology, Third Faculty of Medicine, Charles University, 100 00 Prague 10, Czech Republic
| | - Katarina Ivankova
- Institute for The Care of Mother and Child, Third Faculty of Medicine, Charles University, 100 00 Prague 10, Czech Republic
| | - Ladislav Krofta
- Institute for The Care of Mother and Child, Third Faculty of Medicine, Charles University, 100 00 Prague 10, Czech Republic
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127
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Differential miR-346 and miR-582-3p Expression in Association with Selected Maternal and Fetal Complications. Int J Mol Sci 2017; 18:ijms18071570. [PMID: 28753968 PMCID: PMC5536058 DOI: 10.3390/ijms18071570] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 06/27/2017] [Accepted: 07/10/2017] [Indexed: 12/26/2022] Open
Abstract
Several miRNAs are expressed in human gestational tissue, and some have been shown to be associated with placental dysfunction and complicated pregnancy outcomes. To investigate the roles of miR-346 and miR-582-3p in adverse obstetric events, we analyzed these 2 miRNAs in three samples (maternal blood, umbilical cord blood and placenta) obtained from pregnant women in four groups, including healthy control (n = 60), preeclampsia (n = 31), preterm delivery (n = 29) and small for gestational age (n = 19) patients. The expression levels of miR-346 and miR-582-3p in all included adverse obstetric outcome groups were significantly higher in the maternal plasma samples but lower in the placenta samples (all p value < 0.05). In addition, the miR-346 expression levels in fetal cord blood were also significantly lower in all of the included adverse obstetric outcome groups (all p < 0.05). Multivariate analysis of the three specimens after adjusting for maternal age and gestational age at delivery gave the same results. In conclusion, aberrant miR-346 and miR-582-3p expression level in pregnancy was associated with multiple maternal and fetal complications. Their differential expression in maternal blood, umbilical cord blood and placenta could be potential biomarkers or therapeutic targets for adverse obstetric outcomes
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128
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Mary Photini S, Chaiwangyen W, Weber M, Al-Kawlani B, Favaro RR, Jeschke U, Schleussner E, Morales-Prieto DM, Markert UR. PIM kinases 1, 2 and 3 in intracellular LIF signaling, proliferation and apoptosis in trophoblastic cells. Exp Cell Res 2017; 359:275-283. [PMID: 28729093 DOI: 10.1016/j.yexcr.2017.07.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 07/14/2017] [Accepted: 07/15/2017] [Indexed: 10/19/2022]
Abstract
Proviral insertion in murine (PIM) lymphoma proteins are mainly regulated by the Janus Kinase/Signal Transducer Activator of Transcription (JAK/STAT) signaling pathway, which can be activated by members of the Interleukin-6 (IL-6) family, including Leukemia Inhibitory Factor (LIF). Aim of the study was to compare PIM1, PIM2 and PIM3 expression and potential cellular functions in human first and third trimester trophoblast cells, the immortalized first trimester extravillous trophoblast cell line HTR8/SVneo and the choriocarcinoma cell line JEG-3. Expression was analyzed by qPCR and immunochemical staining. Functions were evaluated by PIM inhibition followed by analysis of kinetics of cell viability as assessed by MTS assay, proliferation by BrdU assay, and apoptosis by Western blotting for BAD, BCL-XL, (cleaved) PARP, CASP3 and c-MYC. Apoptosis and necrosis were tested by flow cytometry (annexin V/propidium iodide staining). All analyzed PIM kinases are expressed in primary trophoblast cells and both cell lines and are regulated upon stimulation with LIF. Inhibition of PIM kinases significantly reduces viability and proliferation and induces apoptosis. Simultaneously, phosphorylation of c-MYC was reduced. These results demonstrate the involvement of PIM kinases in LIF-induced regulation in different trophoblastic cell lines which may indicate similar functions in primary cells.
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Affiliation(s)
- Stella Mary Photini
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
| | - Wittaya Chaiwangyen
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany; School of Medical Sciences, University of Phayao, Phayao 56000, Thailand
| | - Maja Weber
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
| | - Boodor Al-Kawlani
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
| | - Rodolfo R Favaro
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany; Laboratory of Reproductive and Extracellular Matrix Biology, Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo, Brazil
| | - Udo Jeschke
- Ludwig Maximilians University of Munich, Department of Obstetrics and Gynecology, Maistrasse 11, 80337 Munich, Germany
| | - Ekkehard Schleussner
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
| | - Diana M Morales-Prieto
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
| | - Udo R Markert
- Placenta-Lab, Department of Obstetrics, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany.
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129
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Beards F, Jones LE, Charnock J, Forbes K, Harris LK. Placental Homing Peptide-microRNA Inhibitor Conjugates for Targeted Enhancement of Intrinsic Placental Growth Signaling. Am J Cancer Res 2017; 7:2940-2955. [PMID: 28824727 PMCID: PMC5562227 DOI: 10.7150/thno.18845] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 03/22/2017] [Indexed: 12/11/2022] Open
Abstract
Suboptimal placental growth and development are the underlying cause of many pregnancy complications. No treatments are available, primarily due to the risk of causing fetal teratogenicity. microRNAs (miRNAs) are short, non-coding RNA sequences that regulate multiple downstream genes; miR-145 and miR675 have previously been identified as negative regulators of placental growth. In this proof of principle study, we explored the feasibility of delivering miRNA inhibitors to the placentas of pregnant mice and developed novel placental homing peptide-microRNA inhibitor conjugates for targeted enhancement of intrinsic placental growth signalling. Scrambled-, miR-145- or miR-675 inhibitor sequences were synthesised from peptide nucleic acids and conjugated to the placental homing peptide CCGKRK. Intravenous administration of the miR-145- and miR-675 conjugates to pregnant C57BL/6J mice significantly increased fetal and placental weights compared to controls; the miR-675 conjugate significantly reduced placental miR-675 expression. When applied to human first trimester placental explants, the miR-145 conjugate significantly reduced placental miR-145 expression, and both conjugates induced significant enhancement of cytotrophoblast proliferation; no effect was observed in term placental explants. This study demonstrates that homing peptide-miRNA inhibitor conjugates can be exploited to promote placental growth; these novel therapeutics may represent an innovative strategy for targeted treatment of compromised placental development.
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130
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Cronqvist T, Tannetta D, Mörgelin M, Belting M, Sargent I, Familari M, Hansson SR. Syncytiotrophoblast derived extracellular vesicles transfer functional placental miRNAs to primary human endothelial cells. Sci Rep 2017; 7:4558. [PMID: 28676635 PMCID: PMC5496854 DOI: 10.1038/s41598-017-04468-0] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 05/02/2017] [Indexed: 01/19/2023] Open
Abstract
During the pregnancy associated syndrome preeclampsia (PE), there is increased release of placental syncytiotrophoblast extracellular vesicles (STBEVs) and free foetal haemoglobin (HbF) into the maternal circulation. In the present study we investigated the uptake of normal and PE STBEVs by primary human coronary artery endothelial cells (HCAEC) and the effects of free HbF on this uptake. Our results show internalization of STBEVs into primary HCAEC, and transfer of placenta specific miRNAs from STBEVs into the endoplasmic reticulum and mitochondria of these recipient cells. Further, the transferred miRNAs were functional, causing a down regulation of specific target genes, including the PE associated gene fms related tyrosine kinase 1 (FLT1). When co-treating normal STBEVs with HbF, the miRNA deposition is altered from the mitochondria to the ER and the cell membrane becomes ruffled, as was also seen with PE STBEVs. These findings suggest that STBEVs may cause endothelial damage and contribute to the endothelial dysfunction typical for PE. The miRNA mediated effects on gene expression may contribute to the oxidative and endoplasmic reticulum stress described in PE, as well as endothelial reprogramming that may underlay the increased risk of cardiovascular disease reported for women with PE later in life.
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Affiliation(s)
- Tina Cronqvist
- Lund University, Department of Clinical Sciences in Lund, Obstetrics and Gynecology, 22185, Lund, Sweden.
| | - Dionne Tannetta
- University of Reading, Department of Food and Nutritional Sciences, Whiteknights, Reading, UK
| | - Matthias Mörgelin
- Lund University, Department of Clinical Sciences in Lund, Division of Infection Medicine, 22185, Lund, Sweden
| | - Mattias Belting
- Lund University, Department of Clinical Sciences, Lund, Oncology and Pathology, 22185, Lund, Sweden
| | - Ian Sargent
- Nuffield Department of Obstetrics and Gynaecology, John Radcliffe Hospital University of Oxford, OX3 9DU, Oxford, UK
| | - Mary Familari
- School of Biosciences, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Stefan R Hansson
- Lund University, Department of Clinical Sciences in Lund, Obstetrics and Gynecology, 22185, Lund, Sweden
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131
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Cai M, Kolluru GK, Ahmed A. Small Molecule, Big Prospects: MicroRNA in Pregnancy and Its Complications. J Pregnancy 2017; 2017:6972732. [PMID: 28713594 PMCID: PMC5496128 DOI: 10.1155/2017/6972732] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 05/18/2017] [Indexed: 12/30/2022] Open
Abstract
MicroRNAs are small, noncoding RNA molecules that regulate target gene expression in the posttranscriptional level. Unlike siRNA, microRNAs are "fine-tuners" rather than "switches" in the regulation of gene expression; thus they play key roles in maintaining tissue homeostasis. The aberrant microRNA expression is implicated in the disease process. To date, numerous studies have demonstrated the regulatory roles of microRNAs in various pathophysiological conditions. In contrast, the study of microRNA in pregnancy and its associated complications, such as preeclampsia (PE), fetal growth restriction (FGR), and preterm labor, is a young field. Over the last decade, the knowledge of pregnancy-related microRNAs has increased and the molecular mechanisms by which microRNAs regulate pregnancy or its associated complications are emerging. In this review, we focus on the recent advances in the research of pregnancy-related microRNAs, especially their function in pregnancy-associated complications and the potential clinical applications. Here microRNAs that associate with pregnancy are classified as placenta-specific, placenta-associated, placenta-derived circulating, and uterine microRNA according to their localization and origin. MicroRNAs offer a great potential for developing diagnostic and therapeutic targets in pregnancy-related disorders.
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Affiliation(s)
- Meng Cai
- Aston Medical Research Institute, Aston Medical School, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Gopi K. Kolluru
- Aston Medical Research Institute, Aston Medical School, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Asif Ahmed
- Aston Medical Research Institute, Aston Medical School, Aston University, Aston Triangle, Birmingham B4 7ET, UK
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132
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Thamotharan S, Chu A, Kempf K, Janzen C, Grogan T, Elashoff DA, Devaskar SU. Differential microRNA expression in human placentas of term intra-uterine growth restriction that regulates target genes mediating angiogenesis and amino acid transport. PLoS One 2017; 12:e0176493. [PMID: 28463968 PMCID: PMC5413012 DOI: 10.1371/journal.pone.0176493] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 04/11/2017] [Indexed: 12/17/2022] Open
Abstract
Placental insufficiency leading to intrauterine growth restriction (IUGR) demonstrates perturbed gene expression affecting placental angiogenesis and nutrient transfer from mother to fetus. To understand the post-transcriptional mechanisms underlying such placental gene expression changes, our objective was to identify key non-coding microRNAs that express biological function. To this end, we initially undertook microarrays targeting microRNAs in a small sub-set of placentas of appropriate (AGA) versus small for gestational age (SGA) weight infants, and observed up-regulation of 97 miRs and down-regulation of 44 miRs in SGA versus AGA. In a larger cohort of samples (AGA, n = 21; SGA, n = 11; IUGR subset, n = 5), we validated by qRT-PCR differential expression of three specific microRNAs (miR-10b, -363 and -149) that target genes mediating angiogenesis and nutrient transfer. Validation yielded an increase in miR-10b and -363 expression of ~2.5-fold (p<0.02 each) in SGA versus AGA, and of ~3-fold (p<0.005) in IUGR versus AGA, with no significant change despite a trending increase in miR-149. To further establish a cause-and-effect paradigm, employing human HTR8 trophoblast cells, we assessed the effect of nutrient deprivation on miR expression and inhibition of endogenous miRs on target gene expression. In-vitro nutrient deprivation (~50%) increased the expression of miR-10b and miR-149 by 1.5-fold (p<0.02) while decreasing miR-363 (p<0.0001). Inhibition of endogenous miRs employing antisense sequences against miR-10b, -363 and -149 revealed an increase respectively in the expression of the target genes KLF-4 (transcription factor which regulates angiogenesis), SNAT1 and 2 (sodium coupled neutral amino acid transporters) and LAT2 (leucine amino acid transporter), which translated into a similar change in the corresponding proteins. Finally to establish functional significance we performed dual-luciferase reporter assays with 3'-insertion of miR-10b alone and observed a ~10% reduction in the 5'-luciferase activity versus the control. Lastly, we further validated by microarray and employing MirWalk software that the pathways and target genes identified by differentially expressed miRs in SGA/IUGR compared to AGA are consistent in a larger cohort. We have established the biological significance of various miRs that target common transcripts mediating pathways of importance, which are perturbed in the human IUGR placenta.
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Affiliation(s)
- Shanthie Thamotharan
- Department of Pediatrics, Division of Neonatology & Developmental Biology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States of America
| | - Alison Chu
- Department of Pediatrics, Division of Neonatology & Developmental Biology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States of America
| | - Katie Kempf
- Department of Pediatrics, Division of Neonatology & Developmental Biology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States of America
| | - Carla Janzen
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States of America
| | - Tristan Grogan
- Department of Medicine Statistics Core, David Geffen School of Medicine, University of California, Los Angeles, California, United States of America
| | - David A. Elashoff
- Department of Medicine Statistics Core, David Geffen School of Medicine, University of California, Los Angeles, California, United States of America
| | - Sherin U. Devaskar
- Department of Pediatrics, Division of Neonatology & Developmental Biology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States of America
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133
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Poirier C, Desgagné V, Guérin R, Bouchard L. MicroRNAs in Pregnancy and Gestational Diabetes Mellitus: Emerging Role in Maternal Metabolic Regulation. Curr Diab Rep 2017; 17:35. [PMID: 28378294 DOI: 10.1007/s11892-017-0856-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF THE REVIEW This review focuses on the recent emergence of microRNAs (miRNAs) as metabolic and developmental regulators in pregnancy and their role in the development of gestational diabetes mellitus (GDM). MiRNAs are short and stable RNA sequences that repress protein synthesis through interference with messenger RNA translation. RECENT FINDINGS The placenta produces numerous miRNAs with some of them being released in the maternal circulation. These miRNA genes are encoded into specific clusters and expressed preferentially by placental cells, in a time-dependent manner. They were shown to be dysregulated in plasma and placenta from women suffering from GDM and associated with pregnancy and birth-related outcomes. The discovery of pregnancy-related miRNAs and their respective characterization will provide us with important information as to their function in maternal and placental metabolic regulation. More studies are needed to determine whether they will be useful for early screening of GDM.
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Affiliation(s)
- Cédrik Poirier
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada.
- ECOGENE-21 Biocluster, Chicoutimi, QC, Canada.
| | - Véronique Desgagné
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada
- ECOGENE-21 Biocluster, Chicoutimi, QC, Canada
| | - Renée Guérin
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada
- Department of Medical Biology, CIUSSS du Saguenay-Lac-St-Jean, Hopital de Chicoutimi, Saguenay, QC, Canada
| | - Luigi Bouchard
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada
- ECOGENE-21 Biocluster, Chicoutimi, QC, Canada
- Department of Medical Biology, CIUSSS du Saguenay-Lac-St-Jean, Hopital de Chicoutimi, Saguenay, QC, Canada
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Fuchi N, Miura K, Doi H, Li TS, Masuzaki H. Feasibility of placenta-derived mesenchymal stem cells as a tool for studying pregnancy-related disorders. Sci Rep 2017; 7:46220. [PMID: 28401946 PMCID: PMC5388876 DOI: 10.1038/srep46220] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 03/10/2017] [Indexed: 12/25/2022] Open
Abstract
The cellular and molecular mechanisms responsible for pregnancy-related disorders remain unclear. We investigated the feasibility of using placenta-derived mesenchymal stem cells (MSCs) as a tool to study such pregnancy-related disorders. We isolated and expanded adequate numbers of cells with characteristic features of MSCs from the chorionic plate (CP-MSCs), chorionic villi (CV-MSCs), and decidua basalis (DB-MSCs) of human term placental tissues. All placenta-derived MSCs expressed pregnancy-associated C14MC microRNA (miRNA) (miR-323-3p). Interestingly, the placenta-specific C19MC miRNAs (miR-518b and miR517a) were clearly expressed in CP-MSCs and CV-MSCs of foetal origin, but were barely expressed in DB-MSCs of maternal origin. Furthermore, expression levels of placenta-specific C19MC miRNAs in CV-MSCs remained stable during the ex vivo expansion process and across different pregnancy phases (first trimester versus third trimester). High-efficiency siRNA transfection was confirmed in twice-passaged CV-MSCs with little toxicity, and microarray analysis was used to screen for miR-518b target genes. Placenta-derived MSCs, especially CV-MSCs, are a potential tool for investigating the role of placental miRNAs in pregnancy-related disorders.
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Affiliation(s)
- Naoki Fuchi
- Department of Obstetrics and Gynaecology, Nagasaki University Graduate School of Medicine, Nagasaki, Japan.,Department of Stem Cell Biology, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Kiyonori Miura
- Department of Obstetrics and Gynaecology, Nagasaki University Graduate School of Medicine, Nagasaki, Japan
| | - Hanako Doi
- Department of Stem Cell Biology, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Tao-Sheng Li
- Department of Stem Cell Biology, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Hideaki Masuzaki
- Department of Obstetrics and Gynaecology, Nagasaki University Graduate School of Medicine, Nagasaki, Japan
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Gates KC, Goetzmann LN, Cantlon JD, Jeckel KM, Anthony RV. Effect of proline rich 15-deficiency on trophoblast viability and survival. PLoS One 2017; 12:e0174976. [PMID: 28380025 PMCID: PMC5381842 DOI: 10.1371/journal.pone.0174976] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 03/17/2017] [Indexed: 01/11/2023] Open
Abstract
Deviations from the normal program of gene expression during early pregnancy can lead to early embryonic loss as well as dysfunctional placentation, which can cause significant morbidity and mortality. Proline rich 15 (PRR15) is a low molecular weight nuclear protein expressed by the trophoblast during early gestation. Lentivirus-mediated knockdown of PRR15 mRNA in ovine trophectoderm led to demise of the embryo by gestational day 15, providing compelling evidence that PRR15 expression is critical during this precarious window of development. Our objective was to determine the effect of PRR15 knockdown on trophoblast gene expression, proliferation, and survival. The first-trimester human trophoblast cell line, ACH-3P, was infected with control lentivirus or a lentivirus expressing a short hairpin (sh)RNA to target PRR15 mRNA for degradation, resulting in a 68% reduction in PRR15 mRNA. Microarray analysis of these cell lines revealed differential expression of genes related to cancer, focal adhesion, and p53 signaling. These changes included significant up-regulation of GDF15, a cytokine increased in pregnancies with preeclampsia. Viability and proliferation decreased in PRR15-deficient cells, which was consistent with down-regulation of cell cycle-related genes CCND1 and CDK6 and an up-regulation of CCNG2 and CDKN1A in the PRR15-deficient cells. TNFSF10, a tumor necrosis factor superfamily member known to induce apoptosis increased significantly in the PRR15-deficient cells. Migration through a basement membrane matrix decreased and an increased population of apoptotic cells was present when treated with shRNA to target PRR15. These results suggest that PRR15 enhances trophoblast viability and survival during early implantation and placentation.
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Affiliation(s)
- Katherine C. Gates
- Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Lindsey N. Goetzmann
- Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Jeremy D. Cantlon
- Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Kimberly M. Jeckel
- Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Russell V. Anthony
- Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
- * E-mail:
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136
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Changes in circulating microRNA levels can be identified as early as day 8 of pregnancy in cattle. PLoS One 2017; 12:e0174892. [PMID: 28380001 PMCID: PMC5381804 DOI: 10.1371/journal.pone.0174892] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 03/16/2017] [Indexed: 12/15/2022] Open
Abstract
Poor reproductive performance remains a major issue in the dairy industry, with low conception rates having a significant impact on milk production through extended calving intervals. A major limiting factor is the lack of reliable methods for early pregnancy diagnosis. Identification of animals within a herd that fail to conceive within 3 weeks after insemination would allow early re-insemination and shorten calving intervals. In a previous study, we found an increase in plasma miR-26a levels in Day 16-pregnant relative to non-pregnant heifers, however changes in miRNA levels that early during pregnancy were very small which likely prevented the identification of robust biomarkers. In this study, we extended our analyses to a wider interval during pregnancy (Days 8 to 60, n = 11 heifers) with the rationale that this may facilitate the identification of additional early pregnancy miRNA biomarkers. Using small RNA sequencing we identified a total of 77 miRNAs that were differentially expressed on Day 60 relative to Day 0 of pregnancy. We selected 14 miRNAs for validation by RT-qPCR and confirmed significant differences in the expression of let-7f, let-7c, miR-30c, miR-101, miR-26a, miR-205 and miR-143 between Days 0 and 60. RT-qPCR profiling throughout Days 0, 8, 16 and 60 of pregnancy showed a distinct increase in circulating levels of miR-26a (3.1-fold, P = 0.046) as early as Day 8 of pregnancy. In summary, in contrast to earlier stages of pregnancy (≤ Day 24), marked differences in the levels of multiple miRNAs can be detected in circulation by Day 60 in cattle. Retrospective analyses showed miR-26a levels to be increased in circulation as early as Day 8, sooner than previously reported in any species, suggesting a biological role for this miRNA in the very early events of pregnancy.
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Truong G, Guanzon D, Kinhal V, Elfeky O, Lai A, Longo S, Nuzhat Z, Palma C, Scholz-Romero K, Menon R, Mol BW, Rice GE, Salomon C. Oxygen tension regulates the miRNA profile and bioactivity of exosomes released from extravillous trophoblast cells - Liquid biopsies for monitoring complications of pregnancy. PLoS One 2017; 12:e0174514. [PMID: 28350871 PMCID: PMC5370130 DOI: 10.1371/journal.pone.0174514] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 03/10/2017] [Indexed: 12/21/2022] Open
Abstract
Our understanding of how cells communicate has undergone a paradigm shift since the recent recognition of the role of exosomes in intercellular signaling. In this study, we investigated whether oxygen tension alters the exosome release and miRNA profile from extravillous trophoblast (EVT) cells, modifying their bioactivity on endothelial cells (EC). Furthermore, we have established the exosomal miRNA profile at early gestation in women who develop pre-eclampsia (PE) and spontaneous preterm birth (SPTB). HTR-8/SVneo cells were used as an EVT model. The effect of oxygen tension (i.e. 8% and 1% oxygen) on exosome release was quantified using nanocrystals (Qdot®) coupled to CD63 by fluorescence NTA. A real-time, live-cell imaging system (Incucyte™) was used to establish the effect of exosomes on EC. Plasma samples were obtained at early gestation (<18 weeks) and classified according to pregnancy outcomes. An Illumina TrueSeq Small RNA kit was used to construct a small RNA library from exosomal RNA obtained from EVT and plasma samples. The number of exosomes was significantly higher in EVT cultured under 1% compared to 8% oxygen. In total, 741 miRNA were identified in exosomes from EVT. Bioinformatic analysis revealed that these miRNA were associated with cell migration and cytokine production. Interestingly, exosomes isolated from EVT cultured at 8% oxygen increased EC migration, whilst exosomes cultured at 1% oxygen decreased EC migration. These changes were inversely proportional to TNF-α released from EC. Finally, we have identified a set of unique miRNAs in exosomes from EVT cultured at 1% oxygen and exosomes isolated from the circulation of mothers at early gestation, who later developed PE and SPTB. We suggest that aberrant exosomal signalling by placental cells is a common aetiological factor in pregnancy complications characterised by incomplete SpA remodeling and is therefore a clinically relevant biomarker of pregnancy complications.
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Affiliation(s)
- Grace Truong
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Dominic Guanzon
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Vyjayanthi Kinhal
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Omar Elfeky
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Andrew Lai
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Sherri Longo
- Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Ochsner Clinic Foundation, New Orleans, United States of America
| | - Zarin Nuzhat
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Carlos Palma
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Katherin Scholz-Romero
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Ramkumar Menon
- Division of Maternal-Fetal Medicine & Perinatal Research, Department of Obstetrics & Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, United States of America
| | - Ben W. Mol
- Robinson Research Institute, Discipline of Obstetrics and Gynaecology, School of Medicine, University of Adelaide, North Adelaide, Australia
| | - Gregory E. Rice
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
- Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Ochsner Clinic Foundation, New Orleans, United States of America
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, University of Concepción, Concepción, Chile
| | - Carlos Salomon
- Exosome Biology Laboratory, Centre for Clinical Diagnostics, University of Queensland Centre for Clinical Research, Royal Brisbane and Women’s Hospital, The University of Queensland, Brisbane, Queensland, Australia
- Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Ochsner Clinic Foundation, New Orleans, United States of America
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, University of Concepción, Concepción, Chile
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Regulation of the prorenin - angiotensin system by oxygen and miRNAs; parallels between placentation and tumour development? Placenta 2017; 56:27-33. [PMID: 28318555 DOI: 10.1016/j.placenta.2017.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 03/07/2017] [Accepted: 03/09/2017] [Indexed: 11/20/2022]
Abstract
Tissue renin-angiotensin systems (RASs) are involved in tissue growth and development as they are important regulators of angiogenesis, cell proliferation and migration. The placental RAS is most highly expressed in early gestation, at a time when the oxygen tension within the conceptus is reduced, and plays a key role in placental growth and development. Similar to the placenta, tumour development relies on proliferation, angiogenesis and invasion in order to grow and metastasize. The RAS is known to be upregulated in a variety of solid tumours, including ovarian, endometrial, cervical, breast and prostate. This review explores the roles of oxygen and microRNAs in regulating the normal expression of the placental RAS, providing insight into regulation of its development as well as the development of disease states in which the RAS is overexpressed. We propose that the placental RAS is downregulated by microRNAs that are suppressed during the physiologically normal 'hypoxic' phase of early placentation. Suppression of these miRNAs allows the placental RAS to stimulate placental growth and angiogenesis. We propose that similar mechanisms may be at play in solid tumours, which are characterised by hypoxia.
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139
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Su MT, Tsai PY, Tsai HL, Chen YC, Kuo PL. miR-346 and miR-582-3p-regulated EG-VEGF expression and trophoblast invasion via matrix metalloproteinases 2 and 9. Biofactors 2017; 43:210-219. [PMID: 27619846 DOI: 10.1002/biof.1325] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 07/14/2016] [Accepted: 08/09/2016] [Indexed: 12/31/2022]
Abstract
Endocrine gland-derived vascular endothelial growth factor (EG-VEGF) is an important regulator for embryo implantation and placental development, and is clinically associated with several obstetric disorders related to insufficient or inappropriate trophoblast invasion, such as recurrent abortion, preeclampsia, and intrauterine fetal growth restriction. This study was performed to identify the microRNAs targeting EG-VEGF, and evaluate the regulatory effect on trophoblast biology. miR-346 and miR-582-3p were initially identified via bioinformatic tools, and their specific binding sites on the EG-VEGF 3'UTR were further confirmed using dual luciferase and a co-transfection assays. miR-346 and miR-582-3p were demonstrated not only to suppress EG-VEGF expression, but also inhibit trophoblast invasion and migration in the JAR and HTR-8/SVneo cell lines. We further evaluated the effect of microRNAs in HTR-8/SVneo cells coexpressing EG-VEGF and miR-346 or miR-582-3p on matrix metalloproteinase (MMP 2 and MMP 9) and the tissue inhibitors of metalloproteinase (TIMP 1 and TIMP 2) using RT-PCR, western blotting and gelatin zymography. TIMP 1 and TIMP 2 were not affected by the two microRNAs, whereas the expressions and activities of MMP 2 and MMP 9 were significantly downregulated, which in turn inhibited the invasion ability of trophoblasts. In conclusion, miR-346 and miR-582-3p regulate EG-VEGF-induced trophoblast invasion through repressing MMP 2 and MMP 9, and may become novel diagnostic biomarkers or therapeutic targets for EG-VEGF-related obstetric disorders. © 2016 BioFactors, 43(2):210-219, 2017.
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Affiliation(s)
- Mei-Tsz Su
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Pei-Yin Tsai
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hui-Ling Tsai
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Chi Chen
- Department of Economics, National Cheng Kung University, Tainan, Taiwan
| | - Pao-Lin Kuo
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Jiang L, Long A, Tan L, Hong M, Wu J, Cai L, Li Q. Elevated microRNA-520g in pre-eclampsia inhibits migration and invasion of trophoblasts. Placenta 2017; 51:70-75. [DOI: 10.1016/j.placenta.2017.02.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/30/2017] [Accepted: 02/01/2017] [Indexed: 12/01/2022]
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First trimester screening of circulating C19MC microRNAs and the evaluation of their potential to predict the onset of preeclampsia and IUGR. PLoS One 2017; 12:e0171756. [PMID: 28182660 PMCID: PMC5300267 DOI: 10.1371/journal.pone.0171756] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 01/25/2017] [Indexed: 12/17/2022] Open
Abstract
Objectives A nested case control study of a longitudinal cohort comparing pregnant women enrolled at 10 to 13 gestational weeks was carried out to evaluate risk assessment for preeclampsia and IUGR based on circulating placental specific C19MC microRNAs in early pregnancy. Methods The expression of placental specific C19MC microRNAs (miR-516b-5p, miR-517-5p, miR-518b, miR-520a-5p, miR-520h, and miR-525-5p) was determined in plasma samples from pregnancies that subsequently developed preeclampsia (n = 21), IUGR (n = 18), and 58 normal pregnancies using real-time PCR and comparative Ct method relative to synthetic Caenorhabditis elegans microRNA (cel-miR-39). Results Circulating C19MC microRNAs were up-regulated (miR-517-5p, p = 0.005; miR-518b, p = 0.013; miR-520h, p = 0.021) or showed a trend toward up-regulation in patients destined to develop preeclampsia (miR-520a-5p, p = 0.067; miR-525-5p, p = 0.073). MiR-517-5p had the best predictive performance for preeclampsia with a sensitivity of 42.9%, a specificity of 86.2%, a PPV of 52.9% and a NPV of 80.6%. The combination of all examined circulating C19MC microRNAs had no advantage over using only the miR-517-5p biomarker to predict the occurrence of preeclampsia (a sensitivity of 20.6%, a specificity of 90.8%, a PPV of 44.8%, and a NPV of 76.0%). Conclusions Up-regulation of miR-517-5p, miR-518b and miR-520h was associated with a risk of later development of preeclampsia. First trimester screening of extracellular miR-517-5p identified a proportion of women with subsequent preeclampsia. No circulating C19MC microRNA biomarkers were identified that could predict later occurrence of IUGR.
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142
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Epigenetic Alterations in Parathyroid Cancers. Int J Mol Sci 2017; 18:ijms18020310. [PMID: 28157158 PMCID: PMC5343846 DOI: 10.3390/ijms18020310] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Accepted: 01/27/2017] [Indexed: 02/06/2023] Open
Abstract
Parathyroid cancers (PCas) are rare malignancies representing approximately 0.005% of all cancers. PCas are a rare cause of primary hyperparathyroidism, which is the third most common endocrine disease, mainly related to parathyroid benign tumors. About 90% of PCas are hormonally active hypersecreting parathormone (PTH); consequently patients present with complications of severe hypercalcemia. Pre-operative diagnosis is often difficult due to clinical features shared with benign parathyroid lesions. Surgery provides the current best chance of cure, though persistent or recurrent disease occurs in about 50% of patients with PCas. Somatic inactivating mutations of CDC73/HRPT2 gene, encoding parafibromin, are the most frequent genetic anomalies occurring in PCas. Recently, the aberrant DNA methylation signature and microRNA expression profile have been identified in PCas, providing evidence that parathyroid malignancies are distinct entities from parathyroid benign lesions, showing an epigenetic signature resembling some embryonic aspects. The present paper reviews data about epigenetic alterations in PCas, up to now limited to DNA methylation, chromatin regulators and microRNA profile.
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143
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Vaiman D. Genes, epigenetics and miRNA regulation in the placenta. Placenta 2016; 52:127-133. [PMID: 28043658 DOI: 10.1016/j.placenta.2016.12.026] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 10/24/2016] [Accepted: 12/23/2016] [Indexed: 12/19/2022]
Abstract
This text reviews briefly the context in which epigenetics regulate gene expression in trophoblast development and function. It is an attempt to focus on a limited number of recent papers that, according to the author, shed new light on placental development, and constitute possible trails for improving knowledge and women follow-up in pathological pregnancies.
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Affiliation(s)
- Daniel Vaiman
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris-Descartes, 24, rue du Faubourg St-Jacques, 75014, Paris, France.
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Abou-Kheir W, Barrak J, Hadadeh O, Daoud G. HTR-8/SVneo cell line contains a mixed population of cells. Placenta 2016; 50:1-7. [PMID: 28161053 DOI: 10.1016/j.placenta.2016.12.007] [Citation(s) in RCA: 136] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 11/28/2016] [Accepted: 12/05/2016] [Indexed: 01/13/2023]
Abstract
INTRODUCTION The placenta, a transient organ in humans, is essential for pregnancy maintenance and fetal development. Trophoblast and stromal cells are the main cell types present in human placenta. Trophoblast cells are derivatives of the trophectoderm layer and fulfill the endocrine, exchange, invasion and implantation processes of the placenta, whereas stromal cells are of extraembryonic mesenchymal origin and are important for villous formation and maintenance. Different cell lines were developed to study trophoblast functions including BeWo, JEG-3 and JAR from chorioncarcinoma while HTR-8/SVneo was developed using first trimester extravillous trophoblast infected with simian virus 40 large T antigen (SV40). These cell lines are largely used to study trophoblast functions including cell fusion, migration and invasion. Therefore, the purity of each cell lines is crucial in order to be able to use them as a model recapitulating trophoblast cells. METHODS HTR-8/SVneo, BeWo, JEG-3 and JAR were analyzed for epithelial and mesenchymal markers using immunofluorescence, real time PCR and Western blot. RESULTS Our results showed that HTR-8/SVneo cell line contains two populations of cells suggesting the presence of trophoblast and stromal/mesenchymal cells. While all cells in BeWo, JEG-3 and Jar are positive for the trophoblast/epithelial marker CK7, HTR-8/SVneo cells contained few clusters of CK7 positive cells. Interestingly, vimentin expression was detected in a subset of HTR-8/SVneo cells and was completely absent from all other tested placental cell lines. DISCUSSION Our results unveil the presence of a heterogeneous population of trophoblast and stromal cells within HTR-8/SVneo cell line. This mixed population of cells should be taken into consideration when using this cell line to study trophoblast functions.
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Affiliation(s)
- Wassim Abou-Kheir
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon.
| | - Joanna Barrak
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Ola Hadadeh
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Georges Daoud
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon.
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Lizarraga D, Huen K, Combs M, Escudero-Fung M, Eskenazi B, Holland N. miRNAs differentially expressed by next-generation sequencing in cord blood buffy coat samples of boys and girls. Epigenomics 2016; 8:1619-1635. [PMID: 27882772 DOI: 10.2217/epi-2016-0031] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
AIM Differences in children's development and susceptibility to diseases and exposures have been observed by sex, yet human studies of sex differences in miRNAs are limited. MATERIALS & METHODS The genome-wide miRNA expression was characterized by sequencing-based EdgeSeq assay in cord blood buffy coats from 89 newborns, and 564 miRNAs were further analyzed. RESULTS Differential expression of most miRNAs was higher in boys. Neurodevelopment, RNA metabolism and metabolic ontology terms were enriched among miRNA targets. The majority of upregulated miRNAs (86%) validated by nCounter maintained positive-fold change values; however, only 21% reached statistical significance by false discovery rate. CONCLUSION Accounting for host factors like sex may improve the sensitivity of epigenetic analyses for epidemiological studies in early childhood.
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Affiliation(s)
- Daneida Lizarraga
- School of Public Health, Center for Environmental Research on Children's Health (CERCH), University of California, Berkeley, CA 94720, USA
| | - Karen Huen
- School of Public Health, Center for Environmental Research on Children's Health (CERCH), University of California, Berkeley, CA 94720, USA
| | - Mary Combs
- School of Public Health, Center for Environmental Research on Children's Health (CERCH), University of California, Berkeley, CA 94720, USA
| | - Maria Escudero-Fung
- School of Public Health, Center for Environmental Research on Children's Health (CERCH), University of California, Berkeley, CA 94720, USA
| | - Brenda Eskenazi
- School of Public Health, Center for Environmental Research on Children's Health (CERCH), University of California, Berkeley, CA 94720, USA
| | - Nina Holland
- School of Public Health, Center for Environmental Research on Children's Health (CERCH), University of California, Berkeley, CA 94720, USA
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146
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Lee CQE, Gardner L, Turco M, Zhao N, Murray MJ, Coleman N, Rossant J, Hemberger M, Moffett A. What Is Trophoblast? A Combination of Criteria Define Human First-Trimester Trophoblast. Stem Cell Reports 2016; 6:257-72. [PMID: 26862703 PMCID: PMC4750161 DOI: 10.1016/j.stemcr.2016.01.006] [Citation(s) in RCA: 189] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 01/08/2016] [Accepted: 01/11/2016] [Indexed: 12/15/2022] Open
Abstract
Controversy surrounds reports describing the derivation of human trophoblast cells from placentas and embryonic stem cells (ESC), partly due to the difficulty in identifying markers that define cells as belonging to the trophoblast lineage. We have selected criteria that are characteristic of primary first-trimester trophoblast: a set of protein markers, HLA class I profile, methylation of ELF5, and expression of microRNAs (miRNAs) from the chromosome 19 miRNA cluster (C19MC). We tested these criteria on cells previously reported to show some phenotypic characteristics of trophoblast: bone morphogenetic protein (BMP)-treated human ESC and 2102Ep, an embryonal carcinoma cell line. Both cell types only show some, but not all, of the four trophoblast criteria. Thus, BMP-treated human ESC have not fully differentiated to trophoblast. Our study identifies a robust panel, including both protein and non-protein-coding markers that, in combination, can be used to reliably define cells as characteristic of early trophoblast.
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Affiliation(s)
- Cheryl Q E Lee
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK; Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK; Program in Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto M5G 0A4, Canada.
| | - Lucy Gardner
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK; Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK
| | - Margherita Turco
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK; Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK
| | - Nancy Zhao
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Matthew J Murray
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Nicholas Coleman
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Janet Rossant
- Program in Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto M5G 0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto M5G 0A4, Canada
| | - Myriam Hemberger
- Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK; Epigenetics Programme, The Babraham Institute, Cambridge CB22 3AT, UK
| | - Ashley Moffett
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK; Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK.
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147
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Zhang Y, Hu X, Gao G, Wang Y, Chen P, Ye Y. Autophagy protects against oxidized low density lipoprotein-mediated inflammation associated with preeclampsia. Placenta 2016; 48:136-143. [PMID: 27871466 DOI: 10.1016/j.placenta.2016.09.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 09/10/2016] [Accepted: 09/22/2016] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Inflammatory responses play an important role in the pathogenesis of preeclampsia. Recently, the anti-inflammatory role played by autophagy has drawn increasing attention. Our aim was to investigate variations in autophagy in preeclampsia and protection against oxidized low-density lipoprotein (oxLDL)-mediated inflammation by autophagy. METHODS We used immunohistochemistry, immunofluorescence, quantitative real-time PCR, and western blotting to analyze the expression of autophagy proteins (beclin-1 and LC3II/LC3I) in preeclampsia placentas and in JEG-3 cells treated with oxLDL and rapamycin. RESULTS We found a decreased level of autophagy proteins in preeclampsia placentas, and oxLDL did not induce autophagy in JEG-3 cells. Furthermore, when cells were pretreated with rapamycin, autophagy was activated and expression of inflammatory factors (tumor necrosis factor-α and interleukin-6) induced by oxLDL was downregulated. CONCLUSION We conclude that impaired autophagy in preeclampsia has potential to decrease trophoblast protection from oxidative and inflammatory stress, thereby contributing to the pathogenesis of preeclampsia.
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Affiliation(s)
- Yan Zhang
- Obstetrical Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, PR China
| | - Xiaoyu Hu
- Obstetrical Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, PR China
| | - Guoqiang Gao
- Obstetrical Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, PR China
| | - Yufang Wang
- Obstetrical Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, PR China
| | - Pingping Chen
- Obstetrical Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, PR China
| | - Yuanhua Ye
- Obstetrical Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, PR China.
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148
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Xie L, Sadovsky Y. The function of miR-519d in cell migration, invasion, and proliferation suggests a role in early placentation. Placenta 2016; 48:34-37. [PMID: 27871470 DOI: 10.1016/j.placenta.2016.10.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 09/26/2016] [Accepted: 10/08/2016] [Indexed: 10/20/2022]
Abstract
The processes of proliferation, migration, and invasion of extravillous trophoblasts are critical for placental implantation and early development, and directly influence pregnancy outcome. Dysregulation of these processes has been associated with placental dysfunction, implicated in clinical conditions such as preeclampsia and placental accreta. Among diverse microRNA (miRNA) species that are expressed in placental trophoblasts, members of the chromosome 19 miRNA cluster (C19MC) stand out in their nearly exclusive expression in the placenta. Recent research on the function of C19MC miRNAs in normal cell physiology and during tumorigenesis identified one C19MC member, miR-519d, as a regulator of cell migration, invasion, and interaction with the extracellular matrix. In this review, we focus on the function of miR-519d in placental trophoblasts, where miR-519d regulates cell migration and invasion, and its aberrant expression is associated with preeclampsia. In cancer, the function of miR-519d as an oncomiR or a tumor-suppressor is dependent upon the tumor type. Further research on the biological function and regulation of miR-519d may illuminate previously unknown mechanisms that control cell migration and invasion.
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Affiliation(s)
- Lan Xie
- Medical Systems Biology Research Center, Department of Biomedical Engineering, Tsinghua University School of Medicine, Beijing 100084, China
| | - Yoel Sadovsky
- Magee-Womens Research Institute, Department of OBGYN and Reproductive Sciences, University of Pittsburgh, PA 15213, USA.
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149
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Gamage TK, Chamley LW, James JL. Stem cell insights into human trophoblast lineage differentiation. Hum Reprod Update 2016; 23:77-103. [PMID: 27591247 DOI: 10.1093/humupd/dmw026] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 06/27/2016] [Accepted: 07/05/2016] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND The human placenta is vital for fetal development, yet little is understood about how it forms successfully to ensure a healthy pregnancy or why this process is inadequate in 1 in 10 pregnancies, leading to miscarriage, intrauterine growth restriction or preeclampsia. Trophoblasts are placenta-specific epithelial cells that maximize nutrient exchange. All trophoblast lineages are thought to arise from a population of trophoblast stem cells (TSCs). However, whilst the isolation of murine TSC has led to an explosion in understanding murine placentation, the isolation of an analogous human TSC has proved more difficult. Consequently, alternative methods of studying human trophoblast lineage development have been employed, including human embryonic stem cells (hESCs), induced pluripotent stem cells (iPS) and transformed cell lines; but what do these proxy models tell us about what is happening during early placental development? OBJECTIVE AND RATIONALE In this systematic review, we evaluate current approaches to understanding human trophoblast lineage development in order to collate and refine these models and inform future approaches aimed at establishing human TSC lines. SEARCH METHODS To ensure all relevant articles were analysed, an unfiltered search of Pubmed, Embase, Scopus and Web of Science was conducted for 25 key terms on the 13th May 2016. In total, 47 313 articles were retrieved and manually filtered based on non-human, non-English, non-full text, non-original article and off-topic subject matter. This resulted in a total of 71 articles deemed relevant for review in this article. OUTCOMES Candidate human TSC populations have been identified in, and isolated from, both the chorionic membrane and villous tissue of the placenta, but further investigation is required to validate these as 'true' human TSCs. Isolating human TSCs from blastocyst trophectoderm has not been successful in humans as it was in mice, although recently the first reported TSC line (USFB6) was isolated from an eight-cell morula. In lieu of human TSC lines, trophoblast-like cells have been induced to differentiate from hESCs and iPS. However, differentiation in these model systems is difficult to control, culture conditions employed are highly variable, and the extent to which they accurately convey the biology of 'true' human TSCs remains unclear, particularly as a consensus has not been met among the scientific community regarding which characteristics a human TSC must possess. WIDER IMPLICATIONS Human TSC models have the potential to revolutionize our understanding of trophoblast differentiation, allowing us to make significant gains in understanding the underlying pathology of pregnancy disorders and to test potential therapeutic interventions on cell function in vitro. In order to do this, a collaborative effort is required to establish the criteria that define a human TSC to confirm the presence of human TSCs in both primary isolates and to determine how accurately trophoblast-like cells derived from current model systems reflect trophoblast from primary tissue. The in vitro systems currently used to model early trophoblast lineage formation have provided insights into early human placental formation but it is unclear whether these trophoblast-like cells are truly representative of primary human trophoblast. Consequently, continued refinement of current models, and standardization of culture protocols is essential to aid our ability to identify, isolate and propagate 'true' human TSCs from primary tissue.
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Affiliation(s)
- Teena Kjb Gamage
- Department of Obstetrics and Gynaecology, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Lawrence W Chamley
- Department of Obstetrics and Gynaecology, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Joanna L James
- Department of Obstetrics and Gynaecology, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
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150
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Systematic Review of Micro-RNA Expression in Pre-Eclampsia Identifies a Number of Common Pathways Associated with the Disease. PLoS One 2016; 11:e0160808. [PMID: 27529341 PMCID: PMC4986940 DOI: 10.1371/journal.pone.0160808] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 07/24/2016] [Indexed: 01/08/2023] Open
Abstract
Background Pre-eclampsia (PE) is a complex, multi-systemic condition of pregnancy which greatly impacts maternal and perinatal morbidity and mortality. MicroRNAs (miRs) are differentially expressed in PE and may be important in helping to understand the condition and its pathogenesis. Methods Case-control studies investigating expression of miRs in PE were collected through a systematic literature search. Data was extracted and compared from 58 studies to identify the most promising miRs associated with PE pathogenesis and identify areas of methodology which could account for often conflicting results. Results Some of the most frequently differentially expressed miRs in PE include miR-210, miR-223 and miR-126/126* which associate strongly with the etiological domains of hypoxia, immunology and angiogenesis. Members of the miR-515 family belonging to the imprinted chromosome 19 miR cluster with putative roles in trophoblast invasion were also found to be differentially expressed. Certain miRs appear to associate with more severe forms of PE such as miR-210 and the immune-related miR-181a and miR-15 families. Patterns of miR expression may help pinpoint key pathways (e.g. IL-6/miR-223/STAT3) and aid in untangling the heterogeneous nature of PE. The detectable presence of many PE-associated miRs in antenatal circulatory samples suggests their usefulness as predictive biomarkers. Further progress in ascertaining the clinical value of miRs and in understanding how they might contribute to pathogenesis is predicated upon resolving current methodological challenges in studies. These include differences in diagnostic criteria, cohort characteristics, sampling technique, RNA isolation and platform-dependent variation in miR profiling. Conclusion Reviewing studies of PE-associated miRs has revealed their potential as informants of underlying target genes and pathways relating to PE pathogenesis. However, the incongruity in results across current studies hampers their capacity to be useful biomarkers of the condition.
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