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Jacquemyn X, Kutty S, Manlhiot C. The Lifelong Impact of Artificial Intelligence and Clinical Prediction Models on Patients With Tetralogy of Fallot. CJC PEDIATRIC AND CONGENITAL HEART DISEASE 2023; 2:440-452. [PMID: 38161675 PMCID: PMC10755786 DOI: 10.1016/j.cjcpc.2023.08.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 08/24/2023] [Indexed: 01/03/2024]
Abstract
Medical advancements in the diagnosis, surgical techniques, perioperative care, and continued care throughout childhood have transformed the outlook for individuals with tetralogy of Fallot (TOF), improving survival and shifting the perspective towards lifelong care. However, with a growing population of survivors, longstanding challenges have been accentuated, and new challenges have surfaced, necessitating a re-evaluation of TOF care. Availability of prenatal diagnostics, insufficient information from traditional imaging techniques, previously unforeseen medical complications, and debates surrounding optimal timing and indications for reintervention are among the emerging issues. To address these challenges, the integration of artificial intelligence and machine learning holds great promise as they have the potential to revolutionize patient management and positively impact lifelong outcomes for individuals with TOF. Innovative applications of artificial intelligence and machine learning have spanned across multiple domains of TOF care, including screening and diagnosis, automated image processing and interpretation, clinical risk stratification, and planning and performing cardiac interventions. By embracing these advancements and incorporating them into routine clinical practice, personalized medicine could be delivered, leading to the best possible outcomes for patients. In this review, we provide an overview of these evolving applications and emphasize the challenges, limitations, and future potential for integrating them into clinical care.
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Affiliation(s)
- Xander Jacquemyn
- Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
- Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Shelby Kutty
- Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Cedric Manlhiot
- Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
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Jedynak P, Tost J, Calafat AM, Bourova-Flin E, Busato F, Forhan A, Heude B, Jakobi M, Rousseaux S, Schwartz J, Slama R, Vaiman D, Philippat C, Lepeule J. Pregnancy exposure to synthetic phenols and placental DNA methylation - An epigenome-wide association study in male infants from the EDEN cohort. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 290:118024. [PMID: 34523531 PMCID: PMC8590835 DOI: 10.1016/j.envpol.2021.118024] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 08/17/2021] [Accepted: 08/20/2021] [Indexed: 05/14/2023]
Abstract
In utero exposure to environmental chemicals, such as synthetic phenols, may alter DNA methylation in different tissues, including placenta - a critical organ for fetal development. We studied associations between prenatal urinary biomarker concentrations of synthetic phenols and placental DNA methylation. Our study involved 202 mother-son pairs from the French EDEN cohort. Nine phenols were measured in spot urine samples collected between 22 and 29 gestational weeks. We performed DNA methylation analysis of the fetal side of placental tissues using the IlluminaHM450 BeadChips. We evaluated methylation changes of individual CpGs in an adjusted epigenome-wide association study (EWAS) and identified differentially methylated regions (DMRs). We performed mediation analysis to test whether placental tissue heterogeneity mediated the association between urinary phenol concentrations and DNA methylation. We identified 46 significant DMRs (≥5 CpGs) associated with triclosan (37 DMRs), 2,4-dichlorophenol (3), benzophenone-3 (3), methyl- (2) and propylparaben (1). All but 2 DMRs were positively associated with phenol concentrations. Out of the 46 identified DMRs, 7 (6 for triclosan) encompassed imprinted genes (APC, FOXG1, GNAS, GNASAS, MIR886, PEG10, SGCE), which represented a significant enrichment. Other identified DMRs encompassed genes encoding proteins responsible for cell signaling, transmembrane transport, cell adhesion, inflammatory, apoptotic and immunological response, genes encoding transcription factors, histones, tumor suppressors, genes involved in tumorigenesis and several cancer risk biomarkers. Mediation analysis suggested that placental cell heterogeneity may partly explain these associations. This is the first study describing the genome-wide modifications of placental DNA methylation associated with pregnancy exposure to synthetic phenols or their precursors. Our results suggest that cell heterogeneity might mediate the effects of triclosan exposure on placental DNA methylation. Additionally, the enrichment of imprinted genes within the DMRs suggests mechanisms by which certain exposures, mainly to triclosan, could affect fetal development.
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Affiliation(s)
- Paulina Jedynak
- University Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Development and Respiratory Health, Institute for Advanced Biosciences, Grenoble, France.
| | - Jörg Tost
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, University Paris Saclay, Evry, France
| | - Antonia M Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Ekaterina Bourova-Flin
- University Grenoble Alpes, Inserm, CNRS, EpiMed Group, Institute for Advanced Biosciences, Grenoble, France
| | - Florence Busato
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, University Paris Saclay, Evry, France
| | - Anne Forhan
- Université de Paris, Centre for Research in Epidemiology and Statistics (CRESS), INSERM, INRAE, F-75004, Paris, France
| | - Barbara Heude
- Université de Paris, Centre for Research in Epidemiology and Statistics (CRESS), INSERM, INRAE, F-75004, Paris, France
| | - Milan Jakobi
- University Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Development and Respiratory Health, Institute for Advanced Biosciences, Grenoble, France
| | - Sophie Rousseaux
- University Grenoble Alpes, Inserm, CNRS, EpiMed Group, Institute for Advanced Biosciences, Grenoble, France
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Rémy Slama
- University Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Development and Respiratory Health, Institute for Advanced Biosciences, Grenoble, France
| | - Daniel Vaiman
- Genomics, Epigenetics and Physiopathology of Reproduction, Institut Cochin, U1016 Inserm - UMR 8104 CNRS - Paris-Descartes University, Paris, France
| | - Claire Philippat
- University Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Development and Respiratory Health, Institute for Advanced Biosciences, Grenoble, France
| | - Johanna Lepeule
- University Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Development and Respiratory Health, Institute for Advanced Biosciences, Grenoble, France
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Santoro G, Lapucci C, Giannoccaro M, Caporilli S, Rusin M, Seidenari A, Ferrari M, Farina A. Abnormal Circulating Maternal miRNA Expression Is Associated with a Low (<4%) Cell-Free DNA Fetal Fraction. Diagnostics (Basel) 2021; 11:diagnostics11112108. [PMID: 34829454 PMCID: PMC8625387 DOI: 10.3390/diagnostics11112108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/06/2021] [Accepted: 11/09/2021] [Indexed: 11/16/2022] Open
Abstract
The present pilot study investigates whether an abnormal miRNA profile in NIPT plasma samples can explain the finding of a low cell-free DNA (cfDNA) fetal fraction (cfDNAff) in euploid fetuses and non-obese women. Twelve women who underwent neoBona® NIPT with a normal fetal karyotype were studied. Six with a cfDNAff < 4% were matched with a control group with normal levels of cfDNAff > 4%. Samples were processed using the nanostring nCounter® platform with a panel of 800 miRNAs. Four of the maternal miRNAs, miR-579, miR-612, miR-3144 and miR-6721, had a significant abnormal expression in patients. A data filtering analysis showed that miR-579, miR-612, miR-3144 and miR-6721 targeted 169, 1, 48 and 136 placenta-specific genes, respectively. miR-579, miR-3144 and miR-6721 shared placenta-specific targeted genes involved in trophoblast invasion and migration pathways (IGF2R, PTCD2, SATB2, PLAC8). Moreover, the miRNA target genes encoded proteins localized in the placenta and involved in the pathogenesis of pre-eclampsia, including chorion-specific transcription factor GCMa, PRG2, Lin-28 Homolog B and IGFBP1. In conclusion, aberrant maternal miRNA expression in circulating plasma could be a source of dysregulating trophoblast invasion and migration and could represent a novel cause of a low cfDNAff in the sera of pregnant women at the time of NIPT analysis.
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Affiliation(s)
- Graziano Santoro
- Genetic Unit, Synlab, Via B. L. Pavoni 18, Castenedolo, 25014 Brescia, Italy; (G.S.); (C.L.); (M.G.); (S.C.)
| | - Cristina Lapucci
- Genetic Unit, Synlab, Via B. L. Pavoni 18, Castenedolo, 25014 Brescia, Italy; (G.S.); (C.L.); (M.G.); (S.C.)
| | - Marco Giannoccaro
- Genetic Unit, Synlab, Via B. L. Pavoni 18, Castenedolo, 25014 Brescia, Italy; (G.S.); (C.L.); (M.G.); (S.C.)
| | - Simona Caporilli
- Genetic Unit, Synlab, Via B. L. Pavoni 18, Castenedolo, 25014 Brescia, Italy; (G.S.); (C.L.); (M.G.); (S.C.)
| | - Martina Rusin
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC), IRCCS Sant’Orsola-Malpighi Hospital, University of Bologna, 40138 Bologna, Italy; (M.R.); (A.S.); (A.F.)
| | - Anna Seidenari
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC), IRCCS Sant’Orsola-Malpighi Hospital, University of Bologna, 40138 Bologna, Italy; (M.R.); (A.S.); (A.F.)
| | - Maurizio Ferrari
- IRCCS, SDN, Via Gianturco 113, 80143 Naples, Italy
- Correspondence:
| | - Antonio Farina
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC), IRCCS Sant’Orsola-Malpighi Hospital, University of Bologna, 40138 Bologna, Italy; (M.R.); (A.S.); (A.F.)
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Snoep MC, Aliasi M, van der Meeren LE, Jongbloed MRM, DeRuiter MC, Haak MC. Placenta morphology and biomarkers in pregnancies with congenital heart disease - A systematic review. Placenta 2021; 112:189-196. [PMID: 34388551 DOI: 10.1016/j.placenta.2021.07.297] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/16/2021] [Accepted: 07/27/2021] [Indexed: 01/29/2023]
Abstract
Impaired placentation is an important contributing factor to intra-uterine growth restriction and pre-eclampsia in fetuses with congenital heart defects (CHD). These pregnancy complications occur more frequently in pregnancies with fetal CHD. One of the most important factors influencing the life of children with CHD is neurodevelopmental delay, which seems to start already in utero. Delayed neurodevelopment in utero may be correlated or even (partly) explained by impaired placentation in CHD cases. This systematic review provides an overview of published literature on placental development in pregnancies with fetal CHD. A systematic search was performed and the Newcastle-Ottawa scale was used to access data quality. Primary outcomes were placenta size and weight, vascular and villous architecture, immunohistochemistry, angiogenic biomarkers and/or placental gene expression. A total of 1161 articles were reviewed and 21 studies were included. Studies including CHD with a genetic disorder or syndrome and/or multiple pregnancies were excluded. Lower placental weight and elevated rates of abnormal umbilical cord insertions were found in CHD. Cases with CHD more frequently showed microscopic placental abnormalities (i.e. abnormal villous maturation and increased maternal vascular malperfusion lesions), reduced levels of angiogenic biomarkers and increased levels of anti-angiogenic biomarkers in maternal serum and umbilical cord blood. Altered gene expression involved in placental development and fetal growth were found in maternal serum and CHD placentas. In conclusion, abnormal placentation is found in CHD. More extensive studies are needed to elucidate the contribution of impaired placentation to delayed neurodevelopment in CHD cases.
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Affiliation(s)
- Maartje C Snoep
- Department of Obstetrics and Fetal Medicine, Leiden University Medical Center, Leiden, the Netherlands.
| | - Moska Aliasi
- Department of Obstetrics and Fetal Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Monique R M Jongbloed
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, the Netherlands; Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Marco C DeRuiter
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, the Netherlands
| | - Monique C Haak
- Department of Obstetrics and Fetal Medicine, Leiden University Medical Center, Leiden, the Netherlands
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mir200a and miR4695-5p profiling as potential biomarkers for preterm birth. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Gu H, Chen L, Xue J, Huang T, Wei X, Liu D, Ma W, Cao S, Yuan Z. Expression profile of maternal circulating microRNAs as non-invasive biomarkers for prenatal diagnosis of congenital heart defects. Biomed Pharmacother 2019; 109:823-830. [DOI: 10.1016/j.biopha.2018.10.110] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 10/06/2018] [Accepted: 10/20/2018] [Indexed: 01/08/2023] Open
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Biró O, Rigó J, Nagy B. Noninvasive prenatal testing for congenital heart disease - cell-free nucleic acid and protein biomarkers in maternal blood. J Matern Fetal Neonatal Med 2018; 33:1044-1050. [PMID: 30078353 DOI: 10.1080/14767058.2018.1508437] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Context: Congenital heart disease (CHD) is the most common fetal malformation. Prenatal ultrasonography is routinely applied for the screening of CHD but many factors influence its diagnostic accuracy. The introduction of new biomarkers could facilitate the identification of high-risk pregnancies.Objective: In our review, our aim was to collect expression studies of cell-free nucleic acids and proteins in maternal circulation. Syndromic CHDs which can be detected by noninvasive prenatal testing (NIPT) techniques were also discussed.Methods: PubMed and Web of Science databases were screened for studies where the levels of potential CHD biomarkers were measured in maternal blood samples. Available NIPT tests were collected from the providers' resources.Results: There are nine CHD-associated chromosomal abnormalities, five aneuploidies, and four microdeletions, which are included in NIPT panels. We found eight articles from which five included the analysis of specific cell-free RNA expression and three measurements of protein levels.Conclusions: Most of the common heart-related chromosomal aberrations can be diagnosed by NIPT. Specific cell-free RNAs and circulating proteins seem to be potential biomarkers for fetal CHDs. The application of these new biomarkers could improve the detection rate at early pregnancy, making it possible to provide optimal perinatal and perioperative management.
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Affiliation(s)
- Orsolya Biró
- First Department of Obstetrics and Gynaecology, Semmelweis University, Budapest, Hungary
| | - János Rigó
- First Department of Obstetrics and Gynaecology, Semmelweis University, Budapest, Hungary
| | - Bálint Nagy
- Department of Human Genetics, University of Debrecen, Debrecen, Hungary
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Contro E, Stefani L, Berto S, Lapucci C, Arcelli D, Prandstraller D, Perolo A, Rizzo N, Farina A. Circulating mRNA in Maternal Plasma at the Second Trimester of Pregnancy: A Possible Screening Tool for Cardiac Conotruncal and Left Ventricular Outflow Tract Abnormalities. Mol Diagn Ther 2018; 21:653-661. [PMID: 28744745 DOI: 10.1007/s40291-017-0295-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Maternal plasma is a source of circulating placental nucleic acids. This study was designed to detect aberrantly expressed placental mRNA genes circulating in the maternal plasma of pregnancies affected with fetal conotruncal anomalies (CNTRA) and left-ventricular outflow tract (LVOT) obstruction in the second trimester of pregnancy. METHODS This was a retrospective monocentric study conducted from 1 Jan 2016 to 31 Dec 2016. NanoString technology was used to identify aberrantly expressed genes, comparing 36 women carrying a fetus with CNTRA or LVOT obstruction to 42 controls at 19-24 weeks of gestation. The genes with differential expression were subsequently tested using real-time polymerase chain reaction. Linear discriminant analysis was used to combine all the mRNA species with discriminant ability for CNTRA and LVOT obstruction. A multivariable receiver operating characteristic (ROC) curve having the estimated discriminant score as an explanatory variable was generated for the two affected groups versus controls. RESULTS Three genes with differential expression, namely MAPK1, IQGAP1 and Visfatin were found. The ROC curves yielded detection rates of 60 and 62.5% at a false-positive rate of 5% for CNTRA and LVOT, respectively. CONCLUSIONS These data suggested that molecular screening of CNTRA and LVOT obstruction in the second trimester is feasible. Prospective studies are needed to test the discriminant ability of these genes and to calculate the predictive positive value in the general population.
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Affiliation(s)
- Elena Contro
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC) Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | | | | | | | - Diego Arcelli
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC) Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Daniela Prandstraller
- Pediatric Cardiology and Adult Congenital Unit, Sant'Orsola-Malpighi Hospital, Bologna, Italy
| | - Antonella Perolo
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC) Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Nicola Rizzo
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC) Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Antonio Farina
- Division of Obstetrics and Prenatal Medicine, Department of Medicine and Surgery (DIMEC) Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.
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Chen L, Guan J, Wei Q, Yuan Z, Zhang M. Potential role of "omics" technique in prenatal diagnosis of congenital heart defects. Clin Chim Acta 2018; 482:185-190. [PMID: 29649453 DOI: 10.1016/j.cca.2018.04.011] [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] [Received: 02/05/2018] [Revised: 04/04/2018] [Accepted: 04/06/2018] [Indexed: 02/08/2023]
Abstract
Congenital heart defect (CHD) is one of the most common birth defects and is the leading cause of neonatal death. Currently, there are no biomarkers available for prenatal diagnosis of CHD. Clinical strategies to diagnose CHD mostly depend on fetal echocardiography. Recent advances in "omics" techniques have opened up new possibilities for biomarker discoveries. In this review, we discuss recent advances in prenatal detection of CHD using biomarkers obtained by "omics" approaches, including genomics, proteomics, metabolomics, and others. There is great potential in obtaining various kinds of parameters using "omics" studies to facilitate early and accurate diagnosis of CHD.
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Affiliation(s)
- Lizhu Chen
- Department of Ultrasound, Shengjing Hospital, China Medical University, Shenyang 110004, China; Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang 110004, China
| | - Johnny Guan
- Department of Urology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Qiuju Wei
- Department of Obstetrics and Gynecology, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Zhengwei Yuan
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang 110004, China.
| | - Mo Zhang
- Department of Urology, Shengjing Hospital, China Medical University, Shenyang 110004, China..
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Clinical significance of circulating microRNAs as markers in detecting and predicting congenital heart defects in children. J Transl Med 2018; 16:42. [PMID: 29482591 PMCID: PMC5828434 DOI: 10.1186/s12967-018-1411-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 02/15/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Circulating microRNAs (miRNAs) are emerging as novel biomarkers for detecting cardiovascular diseases. In this study, we aimed to investigate the usefulness of miRNAs as biomarkers in diagnosing and predicting children with congenital heart defects (CHD), particularly in the context of multiple subtypes of CHD. METHODS We recruited 26 families, each having a child with CHD and parents who do not have any cardiovascular disorder. 27 families unaffected by cardiovascular disease were also included as controls. Firstly, we screened 84 circulating miRNAs relating to cardiovascular development in 6 children with atrial septal defects (ASD) and 5 healthy children. We validated the selected miRNAs with differential expression in a larger sample size (n = 27 for controls, n = 26 for cases), and evaluated their signal in different types of septal defects. Finally, we examined the identified miRNAs signatures in the parent population and assessed their diagnostic values for predicting CHD. RESULTS The three miRNAs hsa-let-7a, hsa-let-7b and hsa-miR-486 were significantly upregulated in children with ASD. A further validation study showed that overexpression of hsa-let-7a and hsa-let-7b was specifically present in ASD children, but not in children with other subtypes of septal defects. A similar expression profile of hsa-let-7a and hsa-let-7b was discovered in mothers of ASD children. Receiver-operating characteristic curve analyses indicated that hsa-let-7a and hsa-let-7b had significant diagnostic values for detecting ASD and in maternal samples predicting the occurrence of ASD in offspring. CONCLUSIONS Circulating miRNAs are important markers not only for diagnosing CHD, but also for predicting CHD risk in offspring. The distinct miRNA signatures are likely to present in various subtypes of CHD, and the phenotypic heterogeneity of CHD should be considered to develop such miRNA-based assays.
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Levels of Circulating mRNA for the Tenascin-X (TNXB) Gene in Maternal Plasma at the Second Trimester in Pregnancies with Isolated Congenital Ventricular Septal Defects. Mol Diagn Ther 2018; 22:235-240. [DOI: 10.1007/s40291-018-0321-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Understanding the role of mammalian sterile 20-like kinase 1 (MST1) in cardiovascular disorders. J Mol Cell Cardiol 2018; 114:141-149. [DOI: 10.1016/j.yjmcc.2017.11.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 11/08/2017] [Accepted: 11/14/2017] [Indexed: 12/27/2022]
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13
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Tsang HF, Xue VW, Koh SP, Chiu YM, Ng LPW, Wong SCC. NanoString, a novel digital color-coded barcode technology: current and future applications in molecular diagnostics. Expert Rev Mol Diagn 2016; 17:95-103. [DOI: 10.1080/14737159.2017.1268533] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Hin-Fung Tsang
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Vivian Weiwen Xue
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Su-Pin Koh
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Ya-Ming Chiu
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Lawrence Po-Wah Ng
- Department of Pathology, Queen Elizabeth Hospital, Hospital Authority, Hong Kong Special Administrative Region, China
| | - Sze-Chuen Cesar Wong
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
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Measuring circulating placental RNAs to non-invasively assess the placental transcriptome and to predict pregnancy complications. Prenat Diagn 2016; 36:997-1008. [DOI: 10.1002/pd.4934] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 09/08/2016] [Accepted: 09/30/2016] [Indexed: 11/07/2022]
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Vora NL, Smeester L, Boggess K, Fry RC. Investigating the Role of Fetal Gene Expression in Preterm Birth. Reprod Sci 2016; 24:824-828. [PMID: 27678095 DOI: 10.1177/1933719116670038] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Second-trimester amniotic fluid supernatant (AFS) contains cell-free fetal RNA (cffRNA) transcripts that can provide information about fetal gene expression. In a retrospective case-control study, we measured second-trimester fetal gene expression using cffRNA extracted from AFS in women who had spontaneous preterm birth (sPTB) <34 weeks and in women who delivered >37 weeks. We extracted cffRNA from AFS of women with singletons who had second-trimester genetic amniocenteses. Twenty-one gravidas who had sPTB and 21 term controls were matched 1:1 for maternal age, fetal sex, race, gestational age (GA) at the time of amniocentesis, and medication exposure. Cell-free fetal RNA was extracted and hybridized to a customized 65-gene NanoString panel containing genes related to oxidative stress, inflammation, and hypothalamic-pituitary-adrenal (HPA) axis and included 15 housekeeping genes. Two models were run, 1 examining sPTB in relation to case/control status and 1 examining sPTB in relation to GA as a continuous variable. Among cases, the gene expression of nitric oxide synthase 1 ( NOS1), d-aspartate oxidase ( DDO), and Beta-2-microglobulin ( B2M) was higher than controls ( P value < .05; false discovery rate-corrected Q value of ≤0.10). Nitric oxide synthase 1 and DDO are genes associated with oxidative stress; B2M is a marker of the fetal inflammatory response. Fetal HPA gene expression is not associated with GA at delivery or sPTB in second-trimester AFS. Alterations of fetal gene expression related to inflammation and oxidative stress antedate clinical symptoms and may be useful for early identification of patients at risk of having an sPTB.
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Affiliation(s)
- Neeta L Vora
- 1 Division of Maternal-Fetal Medicine, Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Lisa Smeester
- 2 Department of Environmental Sciences and Engineering, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Kim Boggess
- 1 Division of Maternal-Fetal Medicine, Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Rebecca C Fry
- 2 Department of Environmental Sciences and Engineering, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
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