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Prediction, Diagnostics and Prevention of Pregnancy Complications

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: closed (30 June 2015) | Viewed by 151985

Special Issue Editor

1. Director – Gravida: National Centre for Growth and Development, Professor of Maternal and Fetal Health, Consultant Obstetrician and Senior Scientist, The University of Auckland, Level 2, Building 505, 85 Park Rd, Grafton, Private Bag 92019, Auckland 1142, New Zealand
2. Research Professor, Institute of Science and Technology & Medicine, Keele University, Keele, UK
3. Distinguished Professor, Chongqing Medical University, Chongqing, China
Interests: preeclampsia; fetal growth restriction; pregnancy; placenta; metabolomics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Identification of mothers at risk of major pregnancy complications (preeclampsia, fetal growth restriction, preterm birth or gestational diabetes) is the first step to effective health promotion and intervention. Unfortunately, antenatal care, as currently practiced is failing to identify women whose pregnancies are at risk of these complications. Current screening is based on the presence of clinical features; however, the clinical utility of such features is limited. This special issue will focus on innovative strategies for predicting and diagnosing major pregnancy complications, and will include strategies which utilize novel omic technologies. New prevention and treatment strategies that are consequent upon the accurate identification of those at risk will also be considered, as will wider societal and health economic implications.

Prof. Philip N. Baker
Guest Editor

Prof. Philip N. Baker

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Keywords

  • Preeclampsia
  • fetal growth restriction
  • pre-term birth
  • gestational diabetes
  • prediction, screening
  • genomics, epigenetics
  • proteomics
  • metabolomics

Published Papers (15 papers)

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Research

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195 KiB  
Communication
Metabolite Profile of Cervicovaginal Fluids from Early Pregnancy Is Not Predictive of Spontaneous Preterm Birth
by Melinda M. Thomas, Karolina Sulek, Elizabeth J. McKenzie, Beatrix Jones, Ting-Li Han, Silas G. Villas-Boas, Louise C. Kenny, Lesley M. E. McCowan and Philip N. Baker
Int. J. Mol. Sci. 2015, 16(11), 27741-27748; https://doi.org/10.3390/ijms161126052 - 19 Nov 2015
Cited by 17 | Viewed by 5552
Abstract
In our study, we used a mass spectrometry-based metabolomic approach to search for biomarkers that may act as early indicators of spontaneous preterm birth (sPTB). Samples were selected as a nested case-control study from the Screening for Pregnancy Endpoints (SCOPE) biobank in Auckland, [...] Read more.
In our study, we used a mass spectrometry-based metabolomic approach to search for biomarkers that may act as early indicators of spontaneous preterm birth (sPTB). Samples were selected as a nested case-control study from the Screening for Pregnancy Endpoints (SCOPE) biobank in Auckland, New Zealand. Cervicovaginal swabs were collected at 20 weeks from women who were originally assessed as being at low risk of sPTB. Samples were analysed using gas chromatography-mass spectrometry (GC-MS). Despite the low amount of biomass (16–23 mg), 112 compounds were detected. Statistical analysis showed no significant correlations with sPTB. Comparison of reported infection and plasma inflammatory markers from early pregnancy showed two inflammatory markers were correlated with reported infection, but no correlation with any compounds in the metabolite profile was observed. We hypothesise that the lack of biomarkers of sPTB in the cervicovaginal fluid metabolome is simply because it lacks such markers in early pregnancy. We propose alternative biofluids be investigated for markers of sPTB. Our results lead us to call for greater scrutiny of previously published metabolomic data relating to biomarkers of sPTB in cervicovaginal fluids, as the use of small, high risk, or late pregnancy cohorts may identify metabolite biomarkers that are irrelevant for predicting risk in normal populations. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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Article
Developing Potential Candidates of Preclinical Preeclampsia
by Sandra Founds, Xuemei Zeng, David Lykins and James M. Roberts
Int. J. Mol. Sci. 2015, 16(11), 27208-27227; https://doi.org/10.3390/ijms161126023 - 13 Nov 2015
Cited by 4 | Viewed by 5230
Abstract
The potential for developing molecules of interest in preclinical preeclampsia from candidate genes that were discovered on gene expression microarray analysis has been challenged by limited access to additional first trimester trophoblast and decidual tissues. The question of whether these candidates encode secreted [...] Read more.
The potential for developing molecules of interest in preclinical preeclampsia from candidate genes that were discovered on gene expression microarray analysis has been challenged by limited access to additional first trimester trophoblast and decidual tissues. The question of whether these candidates encode secreted proteins that may be detected in maternal circulation early in pregnancy has been investigated using various proteomic methods. Pilot studies utilizing mass spectrometry based proteomic assays, along with enzyme linked immunosorbent assays (ELISAs), and Western immunoblotting in first trimester samples are reported. The novel targeted mass spectrometry methods led to robust multiple reaction monitoring assays. Despite detection of several candidates in early gestation, challenges persist. Future antibody-based studies may lead to a novel multiplex protein panel for screening or detection to prevent or mitigate preeclampsia. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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Article
First Trimester Urine and Serum Metabolomics for Prediction of Preeclampsia and Gestational Hypertension: A Prospective Screening Study
by Marie Austdal, Line H. Tangerås, Ragnhild B. Skråstad, Kjell Salvesen, Rigmor Austgulen, Ann-Charlotte Iversen and Tone F. Bathen
Int. J. Mol. Sci. 2015, 16(9), 21520-21538; https://doi.org/10.3390/ijms160921520 - 08 Sep 2015
Cited by 54 | Viewed by 8685
Abstract
Hypertensive disorders of pregnancy, including preeclampsia, are major contributors to maternal morbidity. The goal of this study was to evaluate the potential of metabolomics to predict preeclampsia and gestational hypertension from urine and serum samples in early pregnancy, and elucidate the metabolic changes [...] Read more.
Hypertensive disorders of pregnancy, including preeclampsia, are major contributors to maternal morbidity. The goal of this study was to evaluate the potential of metabolomics to predict preeclampsia and gestational hypertension from urine and serum samples in early pregnancy, and elucidate the metabolic changes related to the diseases. Metabolic profiles were obtained by nuclear magnetic resonance spectroscopy of serum and urine samples from 599 women at medium to high risk of preeclampsia (nulliparous or previous preeclampsia/gestational hypertension). Preeclampsia developed in 26 (4.3%) and gestational hypertension in 21 (3.5%) women. Multivariate analyses of the metabolic profiles were performed to establish prediction models for the hypertensive disorders individually and combined. Urinary metabolomic profiles predicted preeclampsia and gestational hypertension at 51.3% and 40% sensitivity, respectively, at 10% false positive rate, with hippurate as the most important metabolite for the prediction. Serum metabolomic profiles predicted preeclampsia and gestational hypertension at 15% and 33% sensitivity, respectively, with increased lipid levels and an atherogenic lipid profile as most important for the prediction. Combining maternal characteristics with the urinary hippurate/creatinine level improved the prediction rates of preeclampsia in a logistic regression model. The study indicates a potential future role of clinical importance for metabolomic analysis of urine in prediction of preeclampsia. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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1928 KiB  
Article
Circulating Levels of sFlt1 Splice Variants as Predictive Markers for the Development of Preeclampsia
by Colby A. Souders, Sharon E. Maynard, Jing Yan, Yang Wang, Naomi K. Boatright, Jessica Sedan, David Balyozian, Peter S. Cheslock, Deborah C. Molrine and Tiffany A. Moore Simas
Int. J. Mol. Sci. 2015, 16(6), 12436-12453; https://doi.org/10.3390/ijms160612436 - 02 Jun 2015
Cited by 22 | Viewed by 6127
Abstract
Angiogenic biomarkers, including soluble fms-like tyrosine kinase 1 (sFlt1), are thought to be predictors of preeclampsia onset; however, improvement is needed before a widespread diagnostic test can be utilized. Here we describe the development and use of diagnostic monoclonal antibodies specific to the [...] Read more.
Angiogenic biomarkers, including soluble fms-like tyrosine kinase 1 (sFlt1), are thought to be predictors of preeclampsia onset; however, improvement is needed before a widespread diagnostic test can be utilized. Here we describe the development and use of diagnostic monoclonal antibodies specific to the two main splice variants of sFlt1, sFlt1-1 and sFlt1-14. These antibodies were selected for their sensitivity and specificity to their respective sFlt1 isoform in a capture ELISA format. Data from this pilot study suggest that sFlt1-1 may be more predictive of preeclampsia than total sFlt1. It may be possible to improve current diagnostic platforms if more specific antibodies are utilized. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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Review

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543 KiB  
Review
The Endothelin Type A Receptor as a Potential Therapeutic Target in Preeclampsia
by Bhavisha Bakrania, Jeremy Duncan, Junie P. Warrington and Joey P. Granger
Int. J. Mol. Sci. 2017, 18(3), 522; https://doi.org/10.3390/ijms18030522 - 28 Feb 2017
Cited by 38 | Viewed by 5405
Abstract
Preeclampsia (PE) is a disorder of pregnancy typically characterized by new onset hypertension after gestational week 20 and proteinuria. Although PE is one of the leading causes of maternal and perinatal morbidity and death worldwide, the mechanisms of the pathogenesis of the disease [...] Read more.
Preeclampsia (PE) is a disorder of pregnancy typically characterized by new onset hypertension after gestational week 20 and proteinuria. Although PE is one of the leading causes of maternal and perinatal morbidity and death worldwide, the mechanisms of the pathogenesis of the disease remain unclear and treatment options are limited. However, there is increasing evidence to suggest that endothelin-1 (ET-1) plays a critical role in the pathophysiology of PE. Multiple studies report that ET-1 is increased in PE and some studies report a positive correlation between ET-1 and the severity of symptoms. A number of experimental models of PE are also associated with elevated tissue levels of prepro ET-1 mRNA. Moreover, experimental models of PE (placental ischemia, sFlt-1 infusion, Tumor necrosis factor (TNF) -α infusion, and Angiotensin II type 1 receptor autoantibody (AT1-AA) infusion) have proven to be susceptible to Endothelin Type A (ETA) receptor antagonism. While the results are promising, further work is needed to determine whether ET antagonists could provide an effective therapy for the management of preeclampsia. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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2220 KiB  
Review
Allostatic Load and Preterm Birth
by David M. Olson, Emily M. Severson, Barbara S. E. Verstraeten, Jane W. Y. Ng, J. Keiko McCreary and Gerlinde A. S. Metz
Int. J. Mol. Sci. 2015, 16(12), 29856-29874; https://doi.org/10.3390/ijms161226209 - 15 Dec 2015
Cited by 79 | Viewed by 18549
Abstract
Preterm birth is a universal health problem that is one of the largest unmet medical needs contributing to the global burden of disease. Adding to its complexity is that there are no means to predict who is at risk when pregnancy begins or [...] Read more.
Preterm birth is a universal health problem that is one of the largest unmet medical needs contributing to the global burden of disease. Adding to its complexity is that there are no means to predict who is at risk when pregnancy begins or when women will actually deliver. Until these problems are addressed, there will be no interventions to reduce the risk because those who should be treated will not be known. Considerable evidence now exists that chronic life, generational or accumulated stress is a risk factor for preterm delivery in animal models and in women. This wear and tear on the body and mind is called allostatic load. This review explores the evidence that chronic stress contributes to preterm birth and other adverse pregnancy outcomes in animal and human studies. It explores how allostatic load can be used to, firstly, model stress and preterm birth in animal models and, secondly, how it can be used to develop a predictive model to assess relative risk among women in early pregnancy. Once care providers know who is in the highest risk group, interventions can be developed and applied to mitigate their risk. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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204 KiB  
Review
Thrombophilia and Pregnancy Complications
by Louise E. Simcox, Laura Ormesher, Clare Tower and Ian A. Greer
Int. J. Mol. Sci. 2015, 16(12), 28418-28428; https://doi.org/10.3390/ijms161226104 - 30 Nov 2015
Cited by 105 | Viewed by 11978
Abstract
There is a paucity of strong evidence associated with adverse pregnancy outcomes and thrombophilia in pregnancy. These problems include both early (recurrent miscarriage) and late placental vascular-mediated problems (fetal loss, pre-eclampsia, placental abruption and intra-uterine growth restriction). Due to poor quality case-control and [...] Read more.
There is a paucity of strong evidence associated with adverse pregnancy outcomes and thrombophilia in pregnancy. These problems include both early (recurrent miscarriage) and late placental vascular-mediated problems (fetal loss, pre-eclampsia, placental abruption and intra-uterine growth restriction). Due to poor quality case-control and cohort study designs, there is often an increase in the relative risk of these complications associated with thrombophilia, particularly recurrent early pregnancy loss, late fetal loss and pre-eclampsia, but the absolute risk remains very small. It appears that low-molecular weight heparin has other benefits on the placental vascular system besides its anticoagulant properties. Its use is in the context of antiphospholipid syndrome and recurrent pregnancy loss and also in women with implantation failure to improve live birth rates. There is currently no role for low-molecular weight heparin to prevent late placental-mediated complications in patients with inherited thrombophilia and this may be due to small patient numbers in the studies involved in summarising the evidence. There is potential for low-molecular weight heparin to improve pregnancy outcomes in women with prior severe vascular complications of pregnancy such as early-onset intra-uterine growth restriction and pre-eclampsia but further high quality randomised controlled trials are required to answer this question. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
733 KiB  
Review
Cardiovascular Complications of Pregnancy
by Maria Carolina Gongora and Nanette K. Wenger
Int. J. Mol. Sci. 2015, 16(10), 23905-23928; https://doi.org/10.3390/ijms161023905 - 09 Oct 2015
Cited by 68 | Viewed by 11236
Abstract
Pregnancy causes significant metabolic and hemodynamic changes in a woman’s physiology to allow for fetal growth. The inability to adapt to these changes might result in the development of hypertensive disorders of pregnancy (hypertension, preeclampsia or eclampsia), gestational diabetes and preterm birth. Contrary [...] Read more.
Pregnancy causes significant metabolic and hemodynamic changes in a woman’s physiology to allow for fetal growth. The inability to adapt to these changes might result in the development of hypertensive disorders of pregnancy (hypertension, preeclampsia or eclampsia), gestational diabetes and preterm birth. Contrary to previous beliefs these complications are not limited to the pregnancy period and may leave permanent vascular and metabolic damage. There is in addition, a direct association between these disorders and increased risk of future cardiovascular disease (CVD, including hypertension, ischemic heart disease, heart failure and stroke) and diabetes mellitus. Despite abundant evidence of this association, women who present with these complications of pregnancy do not receive adequate postpartum follow up and counseling regarding their increased risk of future CVD. The postpartum period in these women represents a unique opportunity to intervene with lifestyle modifications designed to reduce the development of premature cardiovascular complications. In some cases it allows early diagnosis and treatment of chronic hypertension or diabetes mellitus. The awareness of this relationship is growing in the medical community, especially among obstetricians and primary care physicians, who play a pivotal role in detecting these complications and assuring appropriate follow up. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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2530 KiB  
Review
Early Pregnancy Biomarkers in Pre-Eclampsia: A Systematic Review and Meta-Analysis
by Pensée Wu, Caroline Van den Berg, Zarko Alfirevic, Shaughn O’Brien, Maria Röthlisberger, Philip Newton Baker, Louise C. Kenny, Karolina Kublickiene and Johannes J. Duvekot
Int. J. Mol. Sci. 2015, 16(9), 23035-23056; https://doi.org/10.3390/ijms160923035 - 23 Sep 2015
Cited by 88 | Viewed by 15224
Abstract
Pre-eclampsia (PE) complicates 2%–8% of all pregnancies and is an important cause of perinatal morbidity and mortality worldwide. In order to reduce these complications and to develop possible treatment modalities, it is important to identify women at risk of developing PE. The use [...] Read more.
Pre-eclampsia (PE) complicates 2%–8% of all pregnancies and is an important cause of perinatal morbidity and mortality worldwide. In order to reduce these complications and to develop possible treatment modalities, it is important to identify women at risk of developing PE. The use of biomarkers in early pregnancy would allow appropriate stratification into high and low risk pregnancies for the purpose of defining surveillance in pregnancy and to administer interventions. We used formal methods for a systematic review and meta-analyses to assess the accuracy of all biomarkers that have been evaluated so far during the first and early second trimester of pregnancy to predict PE. We found low predictive values using individual biomarkers which included a disintegrin and metalloprotease 12 (ADAM-12), inhibin-A, pregnancy associated plasma protein A (PAPP-A), placental growth factor (PlGF) and placental protein 13 (PP-13). The pooled sensitivity of all single biomarkers was 0.40 (95% CI 0.39–0.41) at a false positive rate of 10%. The area under the Summary of Receiver Operating Characteristics Curve (SROC) was 0.786 (SE 0.02). When a combination model was used, the predictive value improved to an area under the SROC of 0.893 (SE 0.03). In conclusion, although there are multiple potential biomarkers for PE their efficacy has been inconsistent and comparisons are difficult because of heterogeneity between different studies. Therefore, there is an urgent need for high quality, large-scale multicentre research in biomarkers for PE so that the best predictive marker(s) can be identified in order to improve the management of women destined to develop PE. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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1277 KiB  
Review
Angiogenesis-Related Biomarkers (sFlt-1/PLGF) in the Prediction and Diagnosis of Placental Dysfunction: An Approach for Clinical Integration
by Ignacio Herraiz, Elisa Simón, Paula Isabel Gómez-Arriaga, José Manuel Martínez-Moratalla, Antonio García-Burguillo, Elena Ana López Jiménez and Alberto Galindo
Int. J. Mol. Sci. 2015, 16(8), 19009-19026; https://doi.org/10.3390/ijms160819009 - 13 Aug 2015
Cited by 82 | Viewed by 10194
Abstract
Placental dysfunction is involved in a group of obstetrical conditions including preeclampsia, intrauterine growth restriction, and placental abruption. Their timely and accurate recognition is often a challenge since diagnostic criteria are still based on nonspecific signs and symptoms. The discovering of the role [...] Read more.
Placental dysfunction is involved in a group of obstetrical conditions including preeclampsia, intrauterine growth restriction, and placental abruption. Their timely and accurate recognition is often a challenge since diagnostic criteria are still based on nonspecific signs and symptoms. The discovering of the role of angiogenic-related factors (sFlt-1/PlGF) in the underlying pathophysiology of placental dysfunction, taking into account that angiogenesis-related biomarkers are not specific to any particular placental insufficiency-related disease, has marked an important step for improving their early diagnosis and prognosis assessment. However, sFlt-1/PlGF has not been yet established as a part of most guidelines. We will review the current evidence on the clinical utility of sFlt-1/PlGF and propose a new protocol for its clinical integration. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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Review
Novel Electrocardiographic Patterns for the Prediction of Hypertensive Disorders of Pregnancy—From Pathophysiology to Practical Implications
by Fabio Angeli, Enrica Angeli and Paolo Verdecchia
Int. J. Mol. Sci. 2015, 16(8), 18454-18473; https://doi.org/10.3390/ijms160818454 - 07 Aug 2015
Cited by 14 | Viewed by 11280
Abstract
Hypertensive disorders of pregnancy are a major cause of poor outcome, including placental abruption, organ failure, cerebrovascular accident and disseminated intravascular coagulation. These disorders are associated with increased fetal risk of intrauterine growth restriction, intrauterine death and prematurity. Electrocardiography (ECG) recently emerged as [...] Read more.
Hypertensive disorders of pregnancy are a major cause of poor outcome, including placental abruption, organ failure, cerebrovascular accident and disseminated intravascular coagulation. These disorders are associated with increased fetal risk of intrauterine growth restriction, intrauterine death and prematurity. Electrocardiography (ECG) recently emerged as a useful tool to evaluate cardiovascular complications during pregnancy. Specifically, left atrial abnormalities detected by standard ECG are associated with a fourfold increased risk of developing hypertensive disorders during pregnancy. The mechanisms linking left atrial abnormality on ECG with hypertensive disorders are still elusive. Several mechanisms, possibly reflected by abnormal left atrial activation on ECG, has been suggested. These include increased reactivity to angiotensin II and up-regulation of angiotensin type 1 receptors, with activation of autoantibodies targeting these receptors. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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Review
Combined Screening for Early Detection of Pre-Eclampsia
by Hee Jin Park, Sung Shin Shim and Dong Hyun Cha
Int. J. Mol. Sci. 2015, 16(8), 17952-17974; https://doi.org/10.3390/ijms160817952 - 04 Aug 2015
Cited by 53 | Viewed by 8365
Abstract
Although the precise pathophysiology of pre-eclampsia remains unknown, this condition continues to be a major cause of maternal and fetal mortality. Early prediction of pre-eclampsia would allow for timely initiation of preventive therapy. A combination of biophysical and biochemical markers are superior to [...] Read more.
Although the precise pathophysiology of pre-eclampsia remains unknown, this condition continues to be a major cause of maternal and fetal mortality. Early prediction of pre-eclampsia would allow for timely initiation of preventive therapy. A combination of biophysical and biochemical markers are superior to other tests for early prediction of the development of pre-eclampsia. Apart from the use of parameters in first-trimester aneuploidy screening, cell-free fetal DNA quantification is emerging as a promising marker for prediction of pre-eclampsia. This article reviews the current research of the most important strategies for prediction of pre-eclampsia, including the use of maternal risk factors, mean maternal arterial pressure, ultrasound parameters, and biomarkers. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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Review
Inflammatory and Other Biomarkers: Role in Pathophysiology and Prediction of Gestational Diabetes Mellitus
by Sally K. Abell, Barbora De Courten, Jacqueline A. Boyle and Helena J. Teede
Int. J. Mol. Sci. 2015, 16(6), 13442-13473; https://doi.org/10.3390/ijms160613442 - 11 Jun 2015
Cited by 149 | Viewed by 16738
Abstract
Understanding pathophysiology and identifying mothers at risk of major pregnancy complications is vital to effective prevention and optimal management. However, in current antenatal care, understanding of pathophysiology of complications is limited. In gestational diabetes mellitus (GDM), risk prediction is mostly based on maternal [...] Read more.
Understanding pathophysiology and identifying mothers at risk of major pregnancy complications is vital to effective prevention and optimal management. However, in current antenatal care, understanding of pathophysiology of complications is limited. In gestational diabetes mellitus (GDM), risk prediction is mostly based on maternal history and clinical risk factors and may not optimally identify high risk pregnancies. Hence, universal screening is widely recommended. Here, we will explore the literature on GDM and biomarkers including inflammatory markers, adipokines, endothelial function and lipids to advance understanding of pathophysiology and explore risk prediction, with a goal to guide prevention and treatment of GDM. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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Review
From Pre-Clinical Studies to Clinical Trials: Generation of Novel Therapies for Pregnancy Complications
by Elizabeth C. Cottrell and Colin P. Sibley
Int. J. Mol. Sci. 2015, 16(6), 12907-12924; https://doi.org/10.3390/ijms160612907 - 08 Jun 2015
Cited by 11 | Viewed by 5677
Abstract
Complications of pregnancy represent a significant disease burden, with both immediate and lasting consequences for mother and baby. Two key pregnancy complications, fetal growth restriction (FGR) and preeclampsia (PE), together affect around 10%–15% of all pregnancies worldwide. Despite this high incidence, there are [...] Read more.
Complications of pregnancy represent a significant disease burden, with both immediate and lasting consequences for mother and baby. Two key pregnancy complications, fetal growth restriction (FGR) and preeclampsia (PE), together affect around 10%–15% of all pregnancies worldwide. Despite this high incidence, there are currently no therapies available to treat these pregnancy disorders. Early delivery remains the only intervention to reduce the risk of severe maternal complications and/or stillbirth of the baby; however early delivery itself is associated with increased risk of neonatal mortality and morbidity. As such, there is a pressing need to develop new and effective treatments that can prevent or treat FGR and PE. Animal models have been essential in identifying and screening potential new therapies in this field. In this review, we address recent progress that has been made in developing therapeutic strategies for pregnancy disorders, some of which are now entering clinical trials. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
1954 KiB  
Review
Mass Spectrometry-Based Proteomics for Pre-Eclampsia and Preterm Birth
by Kai P. Law, Ting-Li Han, Chao Tong and Philip N. Baker
Int. J. Mol. Sci. 2015, 16(5), 10952-10985; https://doi.org/10.3390/ijms160510952 - 14 May 2015
Cited by 36 | Viewed by 10372
Abstract
Pregnancy-related complications such as pre-eclampsia and preterm birth now represent a notable burden of adverse health. Pre-eclampsia is a hypertensive disorder unique to pregnancy. It is an important cause of maternal death worldwide and a leading cause of fetal growth restriction and iatrogenic [...] Read more.
Pregnancy-related complications such as pre-eclampsia and preterm birth now represent a notable burden of adverse health. Pre-eclampsia is a hypertensive disorder unique to pregnancy. It is an important cause of maternal death worldwide and a leading cause of fetal growth restriction and iatrogenic prematurity. Fifteen million infants are born preterm each year globally, but more than one million of those do not survive their first month of life. Currently there are no predictive tests available for diagnosis of these pregnancy-related complications and the biological mechanisms of the diseases have not been fully elucidated. Mass spectrometry-based proteomics have all the necessary attributes to provide the needed breakthrough in understanding the pathophysiology of complex human diseases thorough the discovery of biomarkers. The mass spectrometry methodologies employed in the studies for pregnancy-related complications are evaluated in this article. Top-down proteomic and peptidomic profiling by laser mass spectrometry, liquid chromatography or capillary electrophoresis coupled to mass spectrometry, and bottom-up quantitative proteomics and targeted proteomics by liquid chromatography mass spectrometry have been applied to elucidate protein biomarkers and biological mechanism of pregnancy-related complications. The proteomes of serum, urine, amniotic fluid, cervical-vaginal fluid, placental tissue, and cytotrophoblastic cells have all been investigated. Numerous biomarkers or biomarker candidates that could distinguish complicated pregnancies from healthy controls have been proposed. Nevertheless, questions as to the clinically utility and the capacity to elucidate the pathogenesis of the pre-eclampsia and preterm birth remain to be answered. Full article
(This article belongs to the Special Issue Prediction, Diagnostics and Prevention of Pregnancy Complications)
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