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https://www.readbyqxmd.com/read/28629246/clinical-significance-of-primary-symptoms-in-women-with-placental-abruption
#1
Youwen Mei, Yonghong Lina
BACKGROUND: To evaluate the clinical significance of primary symptoms in women with placental abruption. METHODS: A retrospective study of 273 cases of placental abruption was performed. The subjects were classified into 2 groups according to primary symptoms: 210 cases of vaginal bleeding group and 63 cases of abdominal pain group. The clinical features, maternal and neonatal outcomes were compared between two groups. RESULTS: The incidence of preeclampsia and preterm birth in vaginal bleeding group was significantly lower than abdominal pain group, while the incidence of premature rupture of membrane (PROM) in the former group was higher than that in the latter group...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28629069/evaluation-of-electrospun-biomimetic-substrate-surface-decorated-with-nanohydroxyapatite-precipitation-for-osteoblasts-behavior
#2
Sai Zhang, Guojun Jiang, Molamma P Prabhakaran, Xiaohong Qin, Seeram Ramakrishna
To engineer bone tissue, it is crucial to design scaffolds with micro- and nano-sized architecture imitating approximate hierarchical structure of native bone, and afford desirable biological properties by introducing biocompatible polymers and bioceramics into the scaffolds. Here, a novel scaffold consisting of poly-3-hydroxybutyrate-co-3-hydroxyvalerate (PHBV)/polyaspartic acid (PAA) was fabricated by electrospinning and nano-hydroxyapatite (nHA) was deposited by calcium-phosphate dipping process for bone tissue regeneration...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28626423/ubiquitin-proteasome-collagen-cup-pathway-in-preterm-premature-rupture-of-fetal-membranes
#3
Xinliang Zhao, Xiaoyan Dong, Xiucui Luo, Jing Pan, Weina Ju, Meijiao Zhang, Peirong Wang, Mei Zhong, Yanhong Yu, W Ted Brown, Nanbert Zhong
Spontaneous preterm birth (sPTB) occurs before 37 gestational weeks, with preterm premature rupture of the membranes (PPROM) and spontaneous preterm labor (sPTL) as the predominant adverse outcomes. Previously, we identified altered expression of long non-coding RNAs (lncRNAs) and message RNAs (mRNAs) related to the ubiquitin proteasome system (UPS) in human placentas following pregnancy loss and PTB. We therefore hypothesized that similar mechanisms might underlie PPROM. In the current study, nine pairs of ubiquitin-proteasome-collagen (CUP) pathway-related mRNAs and associated lncRNAs were found to be differentially expressed in PPROM and sPTL...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28623979/placental-glucose-transporter-glut-1-is-down-regulated-in-preeclampsia
#4
Benjamin P Lüscher, Camilla Marini, Marianne S Joerger-Messerli, Xiao Huang, Matthias A Hediger, Christiane Albrecht, Marc U Baumann, Daniel V Surbek
INTRODUCTION: Transplacental fetal glucose supply is predominantly regulated by glucose transporter-1 (GLUT1). Altered expression and/or function of GLUT1 may affect the intrauterine environment, which could compromise fetal development and may contribute to fetal programming. To date it is unknown whether placental GLUT1 is affected by preeclampsia, which is often associated with intrauterine growth restriction (IUGR). We addressed the hypothesis that preeclampsia leads to decreased expression and function of placental GLUT1...
July 2017: Placenta
https://www.readbyqxmd.com/read/28623972/placentation-in-the-colugos-cynocephalus-volans-and-galeopterus-variegatus-dermoptera-and-the-transition-from-labyrinthine-to-villous-placentation-in-primates
#5
A M Carter, A M Mess
INTRODUCTION: Phylogenetics and genomics place colugos as the sister group to primates. Therefore their placentation is of interest in an evolutionary perspective. Previous accounts are fragmentary, not readily accessible and sometimes contradictory. METHODS: We have examined archival material covering the early development of fetal membranes and placenta, the fate of the yolk sac and definitive placentation. RESULTS: Initially the trophoblast extended over a rather broad but shallow area, enclosing maternal blood spaces...
July 2017: Placenta
https://www.readbyqxmd.com/read/28623970/localization-of-the-placental-bcrp-abcg2-transporter-to-lipid-rafts-role-for-cholesterol-in-mediating-efflux-activity
#6
John T Szilagyi, Anna M Vetrano, Jeffrey D Laskin, Lauren M Aleksunes
INTRODUCTION: The breast cancer resistance protein (BCRP/ABCG2) is an efflux transporter in the placental barrier. By transporting chemicals from the fetal to the maternal circulation, BCRP limits fetal exposure to a range of drugs, toxicants, and endobiotics such as bile acids and hormones. The purpose of the present studies was to 1) determine whether BCRP localizes to highly-ordered, cholesterol-rich lipid raft microdomains in placenta microvillous membranes, and 2) determine the impact of cholesterol on BCRP-mediated placental transport in vitro...
July 2017: Placenta
https://www.readbyqxmd.com/read/28622703/qualitative-determination-of-human-chorionic-gonadotropin-in-vaginal-washings-for-the-early-diagnosis-of-premature-rupture-of-fetal-membranes
#7
Camila Buziquia Dartibale, Nelson Shozo Uchimura, Luiz Nery, Angelita Polato Schumeish, Liza Yurie Teruya Uchimura, Rosangela Getirana Santana, Taqueco Teruya Uchimura
Purpose This study aimed to evaluate and validate the qualitative human chorionic gonadotropin β subunit (β-hCG) test of the vaginal fluid washings of pregnant women with premature rupture of fetal membranes (PROM). Methods Cross-sectional study of pregnant women between gestational weeks 24 and 39 who underwent consultations in one of our institutions. They were divided into two groups: group A (pregnant women clinically diagnosed with PROM) and group B (pregnant women without loss of amniotic liquid)...
June 16, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28621802/glypican-3-a-promising-biomarker-for-hepatocellular-carcinoma-diagnosis-and-treatment
#8
REVIEW
Fubo Zhou, Wenting Shang, Xiaoling Yu, Jie Tian
Liver cancer is the second leading cause of cancer-related deaths, and hepatocellular carcinoma (HCC) is the most common type. Therefore, molecular targets are urgently required for the early detection of HCC and the development of novel therapeutic approaches. Glypican-3 (GPC3), an oncofetal proteoglycan anchored to the cell membrane, is normally detected in the fetal liver but not in the healthy adult liver. However, in HCC patients, GPC3 is overexpressed at both the gene and protein levels, and its expression predicts a poor prognosis...
June 16, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28616500/an-outbreak-of-psittacosis-at-a-veterinary-school-demonstrating-a-novel-source-of-infection
#9
Jocelyn Chan, Bridget Doyle, James Branley, Vicky Sheppeard, Melinda Gabor, Kerri Viney, Helen Quinn, Orly Janover, Michael McCready, Jane Heller
In November 2014, New South Wales Health was notified of a cluster of respiratory illness in a veterinary school. Active case finding identified another case at a local equine stud. All cases had exposure to the equine fetal membranes of Mare A. This tissue subsequently tested positive for Chlamydia psittaci using quantitative real-time polymerase chain reaction. We conducted a cohort study of the university and stud farm staff to determine risk factors for disease. Nine people were exposed to the fetal membranes of Mare A...
June 2017: One Health
https://www.readbyqxmd.com/read/28615711/identification-and-characterization-of-a-rich-population-of-cd34-mesenchymal-stem-stromal-cells-in-human-parotid-sublingual-and-submandibular-glands
#10
Padma Priya Togarrati, Robson T Sasaki, Mohamed Abdel-Mohsen, Nuntana Dinglasan, Xutao Deng, Shivani Desai, Elaine Emmerson, Elizabeth Yee, William R Ryan, Marcelo C P da Silva, Sarah M Knox, Satish K Pillai, Marcus O Muench
Mesenchymal stem/stromal cells (MSCs) play crucial roles in maintaining tissue homeostasis during physiological turnovers and injuries. Very little is known about the phenotype, distribution and molecular nature of MSCs in freshly isolated human salivary glands (SGs) as most reports have focused on the analysis of cultured MSCs. Our results demonstrate that the cell adhesion molecule CD34 was widely expressed by the MSCs of human major SGs, namely parotid (PAG), sublingual (SLG) and submandibular (SMG) glands...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611933/monochorionic-triamniotic-triplet-pregnancy-complicated-by-twin-reversed-arterial-perfusion-sequence-case-report-and-literature-review
#11
Pingshan Pan, Guoyang Luo, Lu Tang, Jeanne D Rolle, Yuqin Qin, Quan Zeng, Jiangting Wei, Yuanfang Chen, Hongwei Wei
Background  Monochorionic-triamniotic pregnancies are rare and fraught with complications. Case  A case of monochorionic-triamniotic triplet pregnancy complicated by twin reversed arterial perfusion (TRAP) sequence is presented. The patient declined termination or selective fetal reduction. Triplet C was acardiac. At 24 weeks, triplet B developed polyhydramnios. At 30 weeks, polyhydramnios was seen in all three amniotic sacs, but without signs of fetal hydrops and with normal Doppler velocimetry measurements in the umbilical artery, middle cerebral artery, and ductus arteriosus of triplets A and B...
April 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28606063/on-predicting-time-to-completion-for-the-first-stage-of-spontaneous-labor-at-term-in-multiparous-women
#12
Björn Gunnarsson, Eirik Skogvoll, Ingibjörg Hanna Jónsdóttir, Jo Røislien, Alexander Kr Smárason
BACKGROUND: Labor that progresses faster than anticipated may lead to unplanned out-of-hospital births. With the aim to improve planning of transportation to birthing institutions, this study investigated predictors of time to completion for the first stage of labor conditional on cervical opening (conditional time) in multiparous women at term. METHODS: We performed a retrospective analysis of partograms for women in Robson's group 3 who delivered at one hospital from 2003 to 2013...
June 12, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28601048/maternal-asthma-pregnancy-delivery-and-birth-outcomes-a-retrospective-cohort-study
#13
Atefeh Vaezi, Ladan Haghighi, Farzaneh Beigmohammadi, Marzieh Nojomi
The aim of current study was to determine women´s maternal asthma in pregnancy, delivery and birth outcomes. Using a retrospective cohort design, data of 580 pregnant women were gathered form a large teaching hospital in Tehran, Iran. The medical records of pregnant women who had attended this hospital between 2009 and 2011 were assessed. Data of delivery and birth outcomes were gathered by observation and medical records of women. Multiple logistic regression and adjusted odds ratio (OR) were used to assess the independent association of asthma and outcomes...
April 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28599393/hepar-uterinum-a-history-of-ideas-on-fetal-nutrition
#14
Michael Obladen
The means of fetal nutrition has been debated for over two millennia, with the controversy of oral versus parenteral nutrition already in the Corpus Hippocraticum. In 1587 Aranzio rejected connections between maternal and fetal blood vessels, and coined the term "hepar uterinum" for the placenta. From the 16th to the 18th century, a fervent debate focused on the type and extent of connection between maternal and fetal vessels, which was finally settled by Hunter's injection experiment in 1774. But up to the middle of the 19th century, an important nutritive function was attributed to amniotic fluid...
May 24, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28596239/electrophoresis-of-cell-membrane-heparan-sulfate-regulates-galvanotaxis-in-glial-cells
#15
Yu-Ja Huang, Paula Schiapparelli, Kristen Kozielski, Jordan Green, Emily Lavell, Hugo Guerrero-Cazares, Alfredo Quinones-Hinojosa, Peter Searson
Endogenous electric fields modulate many physiological processes by promoting directional migration, a process known as galvanotaxis. Despite the importance of galvanotaxis in development and disease, the mechanism by which cells sense and migrate directionally in an electric field remains unknown. Here we show that electrophoresis of cell surface heparan sulfate (HS) critically regulates this process. HS was found to be localized at the anode-facing side in fetal neural progenitor cells (fNPC), fNPC-derived astrocytes, and brain tumor initiating cells (BTICs), regardless of their direction of galvanotaxis...
June 8, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28589934/dna-vaccination-protects-mice-against-zika-virus-induced-damage-to-the-testes
#16
Bryan D Griffin, Kar Muthumani, Bryce M Warner, Anna Majer, Mable Hagan, Jonathan Audet, Derek R Stein, Charlene Ranadheera, Trina Racine, Marc-Antoine De La Vega, Jocelyne Piret, Stephanie Kucas, Kaylie N Tran, Kathy L Frost, Christine De Graff, Geoff Soule, Leanne Scharikow, Jennifer Scott, Gordon McTavish, Valerie Smid, Young K Park, Joel N Maslow, Niranjan Y Sardesai, J Joseph Kim, Xiao-Jian Yao, Alexander Bello, Robbin Lindsay, Guy Boivin, Stephanie A Booth, Darwyn Kobasa, Carissa Embury-Hyatt, David Safronetz, David B Weiner, Gary P Kobinger
Zika virus (ZIKV) is an emerging pathogen causally associated with serious sequelae in fetuses, inducing fetal microcephaly and other neurodevelopment defects. ZIKV is primarily transmitted by mosquitoes, but can persist in human semen and sperm, and sexual transmission has been documented. Moreover, exposure of type-I interferon knockout mice to ZIKV results in severe damage to the testes, epididymis and sperm. Candidate ZIKV vaccines have shown protective efficacy in preclinical studies carried out in animal models, and several vaccines have entered clinical trials...
June 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/28585848/-ultrasound-diagnosis-of-fetal-inflammatory-response-syndrome-in-women-with-preterm-premature-rupture-of-membrane
#17
R Špaček, I Musilová, K Magdová, O Šimetka, M Kacerovský
OBJECTIVE: The aim of this review is to analyze the existing possibilities of using ultrasound in the diagnosis of the fetal inflammatory response. DESIGN: Review. SETTINGS: Gynekologicko-porodnická klinika, Fakultní nemocnice Ostrava. METHODS: Preterm delivery is defined as a delivery before completed 37 weeks of gestation. Approximately one-thirdof these cases is associated with preterm premature rupture of membranes...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28583707/histologic-chorioamnionitis-and-bronchopulmonary-dysplasia-in-preterm-infants-the-epidemiologic-study-on-low-gestational-ages-2-cohort
#18
Héloïse Torchin, Elsa Lorthe, François Goffinet, Gilles Kayem, Damien Subtil, Patrick Truffert, Louise Devisme, Valérie Benhammou, Pierre-Henri Jarreau, Pierre-Yves Ancel
OBJECTIVE: To investigate the association between histologic chorioamnionitis (HCA) and bronchopulmonary dysplasia (BPD) in very preterm infants, both in a general population and for those born after spontaneous preterm labor and after preterm premature rupture of membranes (pPROM). STUDY DESIGN: This study included 2513 live born singletons delivered at 24-31 weeks of gestation from a national prospective population-based cohort of preterm births; 1731 placenta reports were available...
June 2, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28583613/associations-between-activity-of-arginase-or-matrix-metalloproteinase-8-mmp-8-and-metritis-in-periparturient-dairy-cattle
#19
Benjamin E Voelz, Madumali Kalubowilage, Stefan H Bossmann, Deryl L Troyer, Ricardo C Chebel, Luís G D Mendonça
Metritis, a uterine disease caused by bacterial infection, is highly prevalent in dairy cattle after parturition. Uterine disease has negative effects on milk production and reproductive efficiency. Finding markers or indicators that can predict cows at greater risk for uterine disease could be beneficial to mitigating these deleterious effects. This study investigates the immune-derived enzymes arginase and matrix metalloproteinase-8 (MMP-8) as potential markers for development of metritis in dairy cows. In a retrospective matched case-control study, 53 lactating Holstein cows diagnosed with metritis were matched and paired to 53 lactating Holstein control cows...
July 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28578314/functional-and-phylogenetic-evidence-of-a-bacterial-origin-for-the-first-enzyme-in-sphingolipid-biosynthesis-in-a-phylum-of-eukaryotic-protozoan-parasites
#20
John G Mina, Julie K Thye, Amjed Q I Alqaisi, Louise E Bird, Robert H Dods, Morten K Groftehauge, Jackie A Mosely, Steven Pratt, Hosam Shams-Eldin, Ralph T Schwarz, Ehmke Pohl, Paul W Denny
Toxoplasma gondii is an obligate, intracellular eukaryotic apicomplexan protozoan parasite that can cause fetal damage and abortion in both animals and humans. Sphingolipids are essential and ubiquitous components of eukaryotic membranes that are both synthesized and scavenged by the Apicomplexa. Here we report the identification, isolation and analyses of the Toxoplasma serine palmitoyltransferase, an enzyme catalyzing the first and rate-limiting step in sphingolipid biosynthesis - the condensation of serine and palmitoyl-CoA...
June 2, 2017: Journal of Biological Chemistry
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