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https://www.readbyqxmd.com/read/28724164/predictive-characteristics-of-elevated-1-hour-glucose-challenge-test-results-for-gestational-diabetes
#1
Alan T N Tita, Yinglei Lai, Mark B Landon, Susan M Ramin, Brian Casey, Ronald J Wapner, Michael W Varner, John M Thorp, Anthony Sciscione, Patrick Catalano, Margaret Harper, George R Saade, Steve N Caritis, Yoram Sorokin, Alan M Peaceman, Jorge E Tolosa
No abstract text is available yet for this article.
July 19, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28722160/placental-proteomics-reveal-insights-into-fetal-alcohol-spectrum-disorders
#2
Katie L Davis-Anderson, Sebastian Berger, Emilie R Lunde-Young, Vishal D Naik, Heewon Seo, Greg A Johnson, Hanno Steen, Jayanth Ramadoss
Fetal alcohol spectrum disorders (FASD) describe many of the well-known neurodevelopmental deficits afflicting children exposed to alcohol in utero. The effects of alcohol on the maternal-fetal interface, especially the placenta, have been less explored. We herein hypothesized that chronic binge alcohol exposure during pregnancy significantly alters the placental protein profile in a rat FASD model METHODS: Pregnant rats were orogastrically treated daily with alcohol (4.5 g/kg, gestational day (GD) 5-10; 6...
July 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28720051/plasma-and-amniotic-fluid-ppar%C3%AE-is-involved-in-the-lipid-metabolism-of-maternal-fetal-interface-cells
#3
Yan Cheng, Shuangping Liu, Ru Lin, Jue Wang, Ting Peng, Qingying Zhang, Haidong Cheng
OBJECTIVES: The aim of this study was at detecting the expression of peroxisome proliferator-activated receptor γ (PPARγ) in patients with gestational diabetes mellitus (GDM) and to investigate whether PPARγ regulates the lipid metabolism of maternal-fetal interface cells. METHODS: We detected the expression of PPARγ in the maternal plasma, fetal plasma and amniotic fluid of two groups of women with GDM or normal pregnancy using ELISA and western blot. Establish the cell models of the indirect coculture model and the separate culture model using BeWo cells and endometrial stromal cells (ESCs)...
July 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28719639/oral-administration-of-chinese-herbal-medicine-during-gestation-period-for-preventing-hemolytic-disease-of-the-newborn-due-to-abo-incompatibility-a-systematic-review-of-randomized-controlled-trials
#4
Huijuan Cao, Ruohan Wu, Mei Han, Patrina Ha Yuen Caldwell, Jian-Ping Liu
BACKGROUND: About 85.3% of hemolytic disease of the newborn (HDN) is caused by maternal-fetal ABO blood group incompatibility. However, there is currently no recommended "best" therapy for ABO incompatibility during pregnancy. OBJECTIVES: To systematically assess the safety and effectiveness of oral Chinese herbal medicine (CHM) for preventing HDN due to ABO incompatibility. METHODS: The protocol of this review was registered on the PROSPERO website (No...
2017: PloS One
https://www.readbyqxmd.com/read/28715646/l-form-bacteria-cohabitants-in-human-blood-significance-for-health-and-diseases
#5
Nadya D Markova
From a historical perspective, intriguing assumptions about unknown "live units" in human blood have attracted the attention of researchers, reflecting their desire to define a new class of microorganisms. Thus, the concept of "blood microbiota" brings about many questions about the nature, origin, and biological significance of the "unusual microbial cohabitants" in human blood. In contrast to current views that bloodstream in healthy humans is sterile, the hypothesis about the existence of microbes as L-forms (cell wall deficient bacteria) in human blood has evolved on the basis of known facts about their unique biology, as observed in our studies and those of other authors...
May 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28715062/gestational-weight-gain-historical-evolution-of-a-contested-health-outcome
#6
Edmond D Shenassa, Celena Kinsey, Marian Moser Jones, Jenifer Fahey
The history of research on gestational weight gain (GWG) in the United States and United Kingdom provides a context for current clinical practice. We trace the evolution of research on GWG in scientific literature from the 19th century to the present and examine its implications for contemporary clinical and public health practice. Obstetricians, beginning in the late 1800s, recommended dieting during pregnancy in order to limit GWG to 20 lb or less, driven by a belief that excessive weight gain was a cause of toxemia...
July 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28707556/informed-consent-and-informed-decision-in-maternal-fetal-neonatal-medicine-do-they-go-hand-in-hand
#7
Shigeki Matsubara, Daisuke Matsubara
No abstract text is available yet for this article.
July 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28705036/pregnancy-outcomes-among-women-with-systemic-lupus-erythematosus-a-retrospective-cohort-study-from-thailand
#8
S Phansenee, R Sekararithi, P Jatavan, T Tongsong
Objective The objective of this paper is to compare adverse pregnancy outcomes between normal pregnancies and pregnancies with systemic lupus erythematosus (SLE), particularly focusing on uncomplicated SLE with remission. Methods A retrospective cohort study was conducted by accessing the Maternal-Fetal Medicine (MFM) Unit database and the full medical records of the women. The records of singleton pregnancies with SLE and no underlying disease were assigned as the study group and their medical records were reviewed...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28704530/a-complex-association-between-dna-methylation-and-gene-expression-in-human-placenta-at-first-and-third-trimesters
#9
Yen Ching Lim, Jie Li, Yiyun Ni, Qi Liang, Junjiao Zhang, George S H Yeo, Jianxin Lyu, Shengnan Jin, Chunming Ding
The human placenta is a maternal-fetal organ essential for normal fetal development and maternal health. During pregnancy, the placenta undergoes many structural and functional changes in response to fetal needs and environmental exposures. Previous studies have demonstrated widespread epigenetic and gene expression changes from early to late pregnancy. However, on the global level, how DNA methylation changes impact on gene expression in human placenta is not yet well understood. We performed DNA methylome analysis by reduced representation bisulfite sequencing (RRBS) and gene expression analysis by RNA-Seq for both first and third trimester human placenta tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28701751/secretome-of-in-vitro-cultured-human-embryos-contains-extracellular-vesicles-that-are-uptaken-by-the-maternal-side
#10
Elisa Giacomini, Riccardo Vago, Ana Maria Sanchez, Paola Podini, Natasa Zarovni, Valentina Murdica, Roberta Rizzo, Daria Bortolotti, Massimo Candiani, Paola Viganò
Communication between embryo and maternal endometrium occurs during a specific time frame in which implantation is possible. Here we demonstrate for the first time that conditioned media from non-manipulated human embryos cultured in vitro for 3 days or up to the blastocyst stage contain extracellular vesicles (EVs) with a diameter of 50 to 200 nm and bearing the traditional microvesicle and exosome marker proteins CD63, CD9 and ALIX. The embryonic origin of these EVs has been confirmed by the presence of stemness gene transcripts and their enrichment in the non-classical HLA-G protein...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698595/the-gene-variants-of-maternal-fetal-renin-angiotensin-system-in-preeclampsia-a-hybrid-case-parent-mother-control-study
#11
Heng Zhang, Ying-Xue Li, Wei-Jun Peng, Zhi-Wei Li, Chun-Hua Zhang, Hai-Hong Di, Xian-Ping Shen, Jun-Feng Zhu, Wei-Rong Yan
Preeclampsia (PE) is a common pregnancy-related complication, and polymorphisms in angiotensinogen (AGT), angiotensin-converting enzyme (ACE), and angiotensin II type 1 receptor (AT1R) are believed to contribute to PE development. We implemented a hybrid study to investigate the influence of maternal and fetal ACE I/D, ACE G2350A, AGT M235T, AGT T174M, and AT1R A1166C polymorphisms on PE in Han Chinese women. Polymorphisms were genotyped in 1,488 subjects (256 patients experiencing PE, along with their fetuses and partners, and 360 normotensive controls with their fetuses)...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28694387/inhibition-of-autophagy-limits-vertical-transmission-of-zika-virus-in-pregnant-mice
#12
Bin Cao, Lindsay A Parnell, Michael S Diamond, Indira U Mysorekar
Zika virus (ZIKV) infection during pregnancy leads to devastating fetal outcomes, including intrauterine growth restriction and microcephaly. Greater understanding of mechanisms underlying ZIKV maternal-fetal transmission is needed to develop new therapeutic interventions. Here, we define an important role for the autophagy pathway in ZIKV vertical transmission. ZIKV infection induced autophagic activity in human trophoblasts and pharmacological inhibition limited ZIKV infectivity. Furthermore, deficiency in an essential autophagy gene, Atg16l1, in mice limited ZIKV vertical transmission and placental and fetal damage and overall improved placental and fetal outcomes...
July 10, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28689083/management-of-hereditary-antithrombin-deficiency-in-pregnancy
#13
Andra H James, Shannon M Bates, Kenneth A Bauer, Ware Branch, Kenneth Mann, Michael Paidas, Neil Silverman, Barbara A Konkle
Antithrombin (AT) deficiency is a high-risk thrombophilia and a rare condition. Despite full anticoagulation during pregnancy and the postpartum period, women with AT deficiency may still be vulnerable to developing venous thromboembolism (VTE), including fatal events. There is limited guidance on the management of AT deficiency in pregnancy, including the role of AT concentrates. Following a comprehensive review of the state of the art with respect to recommendations and guidelines, our expert panel in maternal-fetal medicine, hematology and basic science reached consensus on key issues in the recognition and management of AT deficiency in pregnancy...
May 24, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28683663/using-fathers-as-a-negative-control-exposure-to-test-the-developmental-origins-of-health-and-disease-hypothesis-a-case-study-on-maternal-distress-and-offspring-asthma-using-swedish-register-data
#14
Bronwyn K Brew, Tong Gong, Dylan M Williams, Henrik Larsson, Catarina Almqvist
BACKGROUND: Developmental Origins of Health and Disease Hypothesis (DOHaD) studies are often observational in nature and are therefore prone to biases from loss to follow-up and unmeasured confounding. Register-based studies can reduce these issues since they allow almost complete follow-up and provide information on fathers that can be used in a negative control analysis to assess the impact of unmeasured confounding. AIM: The aim of this study was to propose a causal model for testing DOHaD using paternal exposure as a negative control, and its application to maternal distress in pregnancy and offspring asthma...
July 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28679164/maternal-placenta-modulates-a-deleterious-fetal-mutation
#15
Hongen Xu, Hubert Pausch, Heli Venhoranta, Karolina Rutkowska, Christine Wurmser, Beate Rieblinger, Tatiana Flisikowska, Dmitrij Frishman, Lech Zwierzchowski, Ruedi Fries, Magnus Andersson, Alexander Kind, Angelika Schnieke, Krzysztof Flisikowski
Intrauterine growth restriction (IUGR) is caused by dysregulation of placental metabolism. Paternally inherited IUGR mutations in the fetus influence maternal physiology via the placenta. However, it is not known whether the maternal placenta also affects the extent of IUGR in such fetuses. In cattle and other ruminants, maternal-fetal communication occurs primarily at the placentomes. We previously identified a 3' deletion in the non-coding MIMT1 gene that, when inherited from the sire, causes IUGR and late abortion in Ayshire cattle with variable levels of severity...
June 29, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28672757/hypercoiling-of-the-umbilical-cord-in-uncomplicated-singleton-pregnancies
#16
Marwan Ma'ayeh, Evan McClennen, Dmitri Chamchad, Michael Geary, Norman Brest, Andrew Gerson
BACKGROUND: The umbilical coiling index (UCI) is a measure of the number of coils in the umbilical cord in relation to its length. Hypercoiled cords with a UCI of >0.3 coils/cm have been associated with adverse fetal and neonatal outcomes. AIMS: The primary aim is to determine the accuracy of UCI measured on second trimester ultrasound in predicting UCI at birth. The secondary outcome is to investigate the association between hypercoiling of the umbilical cord on prenatal ultrasound and adverse maternal, fetal and neonatal outcomes...
June 26, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28669684/urinary-metabolomic-analysis-of-intrahepatic-cholestasis-of-pregnancy-based-on-high-performance-liquid-chromatography-mass-spectrometry
#17
Li Ma, Xiaoqing Zhang, Feng Pan, Yue Cui, Ting Yang, Linlin Deng, Yong Shao, Min Ding
BACKGROUND: Intrahepatic cholestasis of pregnancy (ICP), a pregnancy-related liver disease, leads to complications for both mothers and fetuses. Metabolomic approach has been applied to maternal-fetal medicine. The global metabolomic alterations that are specific in ICP as yet have not been investigated. METHODS: Based on high performance liquid chromatography/hybrid quadrupole time-of-flight (HPLC/Q-TOF) mass spectrometry, the untargeted metabolomics was used to analyze the changes of urinary metabolites between ICP group and the control group...
June 29, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28661560/pregnancy-and-spontaneous-fetal-loss-a-pig-perspective
#18
REVIEW
Mallikarjun Bidarimath, Chandrakant Tayade
Pigs have a unique, non-invasive epitheliochorial placenta where maternal and fetal layers lay in apposition. Indentation of fetal capillaries into the trophoblasts and maternal capillaries into the uterine epithelium reduce the distance between the fetal and maternal blood, ensuring nutrient transfer for proper conceptus development. Another unique feature of pig pregnancy is conceptus-mediated immune cell enrichment during the early stages of conceptus attachment (around gestation Day 15). This period coincides with the development of vasculature networks at the maternal-fetal interface, which is critical for successful conceptus growth...
June 29, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28661480/role-of-peroxiredoxin2-downregulation-in-recurrent-miscarriage-through-regulation-of-trophoblast-proliferation-and-apoptosis
#19
Fan Wu, Fuju Tian, Weihong Zeng, Xiaorui Liu, Jianxia Fan, Yi Lin, Yan Zhang
Peroxiredoxin (Prdx) 2 is an antioxidant protein that utilizes its redox-sensitive cysteine groups to reduce hydrogen peroxide molecules and protect cells against oxidative damage from reactive oxygen species (ROS). However, its function in trophoblasts at the maternal-fetal interface has not been clarified yet. In this study, significantly lower Prdx2 expression was found in the first-trimester villous cytotrophoblasts of patients with recurrent miscarriage (RM) than in cytotrophoblasts from healthy controls...
June 29, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28660149/mechanisms-and-prevention-of-vertical-transmission-in-chronic-viral-hepatitis
#20
REVIEW
Marianna G Mavilia, George Y Wu
Vertical transmission (VT) is the primary route of transmission of viral hepatitis in children. The rate of VT ranges from 1-28% with hepatitis B virus (HBV) and 3-15% with hepatitis C virus (HCV). VT for both viruses can occur during the intrauterine or peripartum period. VT of HBV primarily occurs by intrauterine transmission (IUT). Hepatitis B surface antigen is unable to cross the placenta and, therefore, relies on processes like transplacental leakage, placental infection, cellular transmission by peripheral blood mononuclear cells, and germline transmission...
June 28, 2017: Journal of Clinical and Translational Hepatology
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