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Intrauterine death

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https://www.readbyqxmd.com/read/28537917/microrna-210-suppresses-glucocorticoid-receptor-expression-in-response-to-hypoxia-in-fetal-rat-cardiomyocytes
#1
Shannalee R Martinez, Qingyi Ma, Chiranjib Dasgupta, Xianmei Meng, Lubo Zhang
Hypoxia is a common intrauterine stressor, often resulting in intrauterine growth restriction and increased risk for cardiovascular disease later in life. The aim of this work was to test the hypothesis that microRNA-210 (miR-210) mediates the detrimental suppression of glucocorticoid receptor (GR) in response to hypoxia in fetal rat cardiomyocytes. Cardiomyocytes isolated from gestational day 21 Sprague Dawley fetal rats showed increased miR-210 levels and reduced GR abundance after exposure to ex vivo hypoxia (1% O2)...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28527294/activation-of-hypoxia-signaling-in-stromal-progenitors-impairs-kidney-development
#2
Katharina Gerl, Dominik Steppan, Michaela Fuchs, Charlotte Wagner, Carsten Willam, Armin Kurtz, Birgül Kurt
Intrauterine hypoxia is a reason for impaired kidney development. The cellular and molecular pathways along which hypoxia exerts effects on nephrogenesis are not well understood. They are likely triggered by hypoxia-inducible transcription factors (HIFs), and their effects appear to be dependent on the cell compartment contributing to kidney formation. In this study, we investigated the effects of HIF activation in the developing renal stroma, which also essentially modulates nephron development from the metanephric mesenchyme...
May 17, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28509322/polymorphic-variants-of-genes-involved-in-choline-pathway-and-the-risk-of-intrauterine-fetal-death
#3
Krzysztof Drews, Agata Różycka, Magdalena Barlik, Andrzej Klejewski, Grażyna Kurzawińska, Hubert Wolski, Marian Majchrzycki, Agnieszka Gryszczyńska, Adam Kamiński, Agnieszka Seremak-Mrozikiewicz
OBJECTIVES: Choline and folate metabolism disturbances may be involved in the occurrence of intrauterine fetal death (IUFD). The proper activity of this metabolism could be determined by genetic variants involved in choline pathway e.g. CHKA (gene encoding choline kinase α), PCYT1A (gene encoding CCTα) and CHDH (gene encoding choline dehydrogenase). Our study aimed at determining the genotype and allele frequencies of CHKA rs7928739, PCYT1A rs712012, PCYT1A rs7639752, CHDH rs893363 and CHDH rs2289205 polymorphisms in mothers with IUFD occurrence...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28505611/novel-insights-in-fetal-cardiomyopathy-due-to-in-utero-herpes-simplex-virus-infection
#4
Tamara Margit Jutta Pahlitzsch, Elisa Theresa Helbig, Nanette Sarioglu, Larry Hinkson, Katharina von Weizsäcker, Wolfgang Henrich
This is a case report of fatal cardiomyopathy in a fetus following maternal intrauterine infection with herpes simplex virus (HSV), despite the mother having no symptoms of an infection. The fetus showed signs of a disseminated infection affecting the heart, brain, lungs, liver, adrenal glands, and skin. HSV cardiomyopathy, characterized by vast necrosis, extensive calcifications, and inflammatory infiltration, was found to be the cause of intrauterine fetal death. To our knowledge, this is a unique report of an asymptomatic maternal nonprimary or recurrent HSV infection that induced a transmission of HSV resulting in extensive and fatal changes in the fetal heart...
May 16, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28494269/medical-conditions-associated-with-recurrent-miscarriage-is-bmi-the-tip-of-the-iceberg
#5
Mushi J Matjila, Anne Hoffman, Zephne M van der Spuy
BACKGROUND: In contrast to sporadic miscarriage, recurrent miscarriage (RM) is a rare entity which affects 1% of couples attempting conception. It is distressing for couples and healthcare professionals as the aetiology is unclear with limited treatment options. Apart from anti-phospholipid syndrome (APS), the strength of associations between RM and commonly investigated endocrine, autoimmune, thrombophilic and uterine structural abnormalities remains uncertain and variable. OBJECTIVES: To assess the prevalence of commonly investigated medical conditions associated with RM...
May 3, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28486599/antenatal-blockade-of-nmda-receptors-by-memantine-reduces-the-susceptibility-to-diabetes-induced-by-a-high-fat-diet-in-rats-with-intrauterine-growth-restriction
#6
Xiao-Ting Huang, Shao-Jie Yue, Chen Li, Jia Guo, Yan-Hong Huang, Jian-Zhong Han, Dan-Dan Feng, Zi-Qiang Luo
Intrauterine growth retardation (IUGR) is closely related to the later development of type 2 diabetes in adulthood. Excessive activation of glutamate receptors causes excitatory neurotoxicity, which is primarily mediated by N-methyl-D-aspartate receptors (NMDARs), resulting in neuronal injury or death. Inhibition of NMDARs enhances the GSIS and survival of islet cells in type 2 diabetic mouse and human islets. Here, we examined whether antenatal blockade of NMDARs by Memantine could decrease the risk of diabetes induced by a high-fat (HF) diet at adulthood in IUGR rats...
May 8, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28472791/microrna-873-is-a-potential-serum-biomarker-for-the-detection-of-ectopic-pregnancy
#7
Qi Lu, Qi Yan, Fengying Xu, Yuhong Li, Wenxia Zhao, Chunzhu Wu, Yudong Wang, Xiao Lang
BACKGROUND: Ectopic pregnancy (EP) refers to the implantation of the zygote outside the uterine cavity. In clinical practice, the diagnosis of EP relies on a combination of ultrasound findings and serum human chorionic gonadotrophin (hCG) measurements. However, the need for serial hCG measurements increases the risk of tubal rupture and death, underscoring the need to identify biomarkers for the early detection of EP. METHODS: The serum concentrations of 21 microRNAs (miRNAs) associated with pregnancy or with known placental expression, as well as serum hCG and progesterone levels were analyzed 36 patients with viable intrauterine pregnancy (VIP), 30 patients with spontaneous abortion (SA), and 34 patients with EP using specific assay kits and reverse transcription PCR...
May 4, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28423971/intrauterine-infection-immune-system-and-premature-birth
#8
Fernanda Rodrigues Helmo, Eduardo Arthur Rodovalho Alves, Renata Alves de Andrade Moreira, Viviane Oliveira Severino, Laura Penna Rocha, Maria Luíza Gonçalves Dos Reis Monteiro, Marlene Antônia Dos Reis, Renata Margarida Etchebehere, Juliana Reis Machado, Rosana Rosa Miranda Corrêa
Preterm birth accounts for nearly one million deaths among children under five years of age, and although its etiopathogenesis is not fully elucidated, ascending intrauterine infection and fetal inflammatory response seem to be the main triggers. The intense inflammatory response mediated by IL-1β, TNF-α, PAF, IFN-γ and IL-6, PGE2 and MMP-1 and MMP-9 causes fetal membrane damage and rupture, increased uterine contractions and biochemical and structural changes in the cervix. Furthermore, preterm neonates have deficient innate and adaptive immune responses characterized by reduced levels of IgG, opsonization and phagocytosis, as well as increased activation of Th1 cells in relation to Th2 cells...
April 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28417285/alcohol-and-thiamine-deficiency-trigger-differential-mitochondrial-transition-pore-opening-mediating-cellular-death
#9
REVIEW
Abdoulaye Bâ
Accumulating evidence has shown that binge-type alcohol intake in mothers interferes with thiamine deficiency (TD) to promote the fetal alcohol syndrome (FAS). Developmental alcohol or TD exposures act either synergistically or separately to reproduce FAS features e.g. intrauterine growth retardation and related microcephaly characterized by extensive cellular death induced by one another neurotoxicant. However molecular and cellular mechanisms underlying apoptosis in both alcohol and TD toxicities are unknown...
June 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28416068/-treatment-with-low-dose-acetylsalicylic-acid-can-reduce-risk-of-pre-eclampsia-in-high-risk-pregnant-women
#10
Line Vedel Käehne, Ingeborg Christina Rørbye Lundin
Pre-eclampsia is a major contributor to perinatal morbidity and mortality. Large studies of high-risk pregnant women have shown reduced risk of developing pre-eclampsia when they are treated with low-dose acetylsalicylic acid in early pregnancy. Treatment is also effective in preventing intrauterine growth restriction, preterm birth and perinatal death. No major side effects, including risk of malformations or miscarriage, are reported. It is important that general practitioners are aware of women who have an increased risk of developing pre-eclampsia, so that treatment with 100 mg of acetylsalicylic acid can be started early in pregnancy...
April 3, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28413208/anti-m-induced-severe-haemolytic-disease-of-foetus-and-newborn-in-a-malay-woman-with-recurrent-pregnancy-loss
#11
H Mohd Nazri, M N Noor Haslina, M Y Shafini, A R Noor Shaidatul Akmal, M Rapiaah, A Wan Zaidah
Haemolytic disease of the foetus and newborn (HDFN) is caused by maternal red blood cells (RBC) alloimmunisation resulted from incompatibility of maternal and foetal RBCs. However, only a few HDFN attributed to anti-M were reported, varying from asymptomatic to severe anaemia with hydrops foetalis and even intrauterine death. A case of severe HDFN due to anti-M alloantibody from an alloimmunized grandmultiparous Malay woman with recurrent pregnancy loss is reported here. The newborn was delivered with severe and prolonged anaemia which required frequent RBC transfusions, intensive phototherapy and intravenous immunoglobulin administration...
April 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28412674/analysis-of-relevant-risk-factors-for-intrauterine-death-of-fetuses-in-the-third-trimester-of-pregnancy
#12
Yang Qiong, Yuan Yichong
Our study aimed to explore the relevant risk factors for intrauterine death of fetuses in the third trimester of pregnancy via a retrospective analysis. Then, 98 pregnant women with intrauterine death of fetuses in the third trimester of pregnancy were enrolled, who had undergone the induced labor of dead fetuses in our hospital from January, 2013 to January, 2015. By taking their disease conditions into considerations, methods of induced labor as softening of cervix with dinoprostone suppositories and amniotic infusion of ethacridine or oxytocin were performed, and the timely cesarean section for termination of pregnancy was performed...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28406596/improving-early-identification-of-hiv-infected-neonates-with-birth-pcr-testing-in-a-large-urban-hospital-in-johannesburg-south-africa-successes-and-challenges
#13
Karl-Günter Technau, Louise Kuhn, Ashraf Coovadia, Sergio Carmona, Gayle Sherman
INTRODUCTION: Timely diagnosis is necessary to avert early death in HIV-infected neonates. Birth PCR testing may improve early identification and facilitate access to care. We implemented a birth HIV diagnosis programme in Johannesburg, South Africa and present successes and challenges of the first two and a half years of operation. METHODS: Between June 2014 and December 2016, we sought to identify all HIV-exposed births and offer newborn HIV PCR testing before discharge after delivery...
April 10, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28402449/enhancement-of-trophoblast-differentiation-and-survival-by-low-molecular-weight-heparin-requires-heparin-binding-egf-like-growth-factor
#14
Alan D Bolnick, Jay M Bolnick, Hamid-Reza Kohan-Ghadr, Brian A Kilburn, Omar J Pasalodos, Pankaj K Singhal, Jing Dai, Michael P Diamond, D Randall Armant, Sascha Drewlo
STUDY QUESTION: Does low molecular weight heparin (LMWH) require heparin-binding epidermal growth factor (EGF)-like growth factor (HBEGF) signaling to induce extravillous trophoblast differentiation and decrease apoptosis during oxidative stress? SUMMARY ANSWER: LMWH increased HBEGF expression and secretion, and HBEGF signaling was required to stimulate trophoblast extravillous differentiation, increase invasion in vitro and reduce trophoblast apoptosis during oxidative stress...
June 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28394549/the-role-of-low-molecular-weight-heparin-in-women-with-hereditary-thrombophilia-for-good-perinatal-outcome
#15
Vesna Sokol, Marina Ivanišević, Mislav Herman, Josip Đelmiš
The aim of the study was to establish the importance of low molecular weight heparin (LMWH) treatment for good pregnancy outcome in patients with hereditary thrombophilia. This retrospective study included 70 patients with inherited thrombophilia who gave birth at Zagreb University Hospital Center in the period from January 2014 to January 2015. Fifty-seven women were treated and 13 women were not treated with LMWH. Perinatal outcome was significantly better in women with hereditary thrombophilia who were treated with heparin during pregnancy as compared with women without LMWH (p=0...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28394223/gestational-outcomes-in-patients-with-neuropsychiatric-systemic-lupus-erythematosus
#16
G R de Jesus, B C Rodrigues, M I Lacerda, F C Dos Santos, N R de Jesus, E M Klumb, R A Levy
This study analyzed maternal and fetal outcomes of pregnancies of neuropsychiatric systemic lupus erythematosus patients followed in a reference unit. This retrospective cohort study included 26 pregnancies of patients seen between 2011 and 2015 included with history and/or active neuropsychiatric systemic lupus erythematosus among 135 pregnancies. Three patients had active neuropsychiatric systemic lupus erythematosus at conception, but only one remained with neurological activity during gestation, characteristically related to the inadvertent suspension of medications...
April 2017: Lupus
https://www.readbyqxmd.com/read/28390672/increased-risk-of-peripartum-perinatal-mortality-in-unplanned-births-outside-an-institution-a-retrospective-population-based-study
#17
Hilde M Engjom, Nils-Halvdan Morken, Even Høydahl, Ole F Norheim, Kari Klungsøyr
BACKGROUND: Births in midwife-led institutions may reduce the frequency of medical interventions and provide cost-effective care, while larger institutions offer medically and technically advanced obstetric care. Unplanned births outside an institution and intrapartum stillbirths have frequently been excluded in previous studies on adverse outcomes by place of birth. OBJECTIVE: The objective of the study was to assess peripartum mortality by place of birth and travel time to obstetric institutions, with the hypothesis that centralization reduces institution availability but improves mortality...
April 6, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28383551/p45-nf-e2-regulates-syncytiotrophoblast-differentiation-by-post-translational-gcm1-modifications-in-human-intrauterine-growth-restriction
#18
Shrey Kohli, Juliane Hoffmann, Franziska Lochmann, Paulina Markmeyer, Hanna Huebner, Fabian B Fahlbusch, Moh'd Mohanad Al-Dabet, Ihsan Gadi, Jayakumar Manoharan, Michael Löttge, Ana C Zenclussen, Anat Aharon, Benjamin Brenner, Khurrum Shahzad, Matthias Ruebner, Berend Isermann
Placental insufficiency jeopardizes prenatal development, potentially leading to intrauterine growth restriction (IUGR) and stillbirth. Surviving fetuses are at an increased risk for chronic diseases later in life. IUGR is closely linked with altered trophoblast and placental differentiation. However, due to a paucity of mechanistic insights, suitable biomarkers and specific therapies for IUGR are lacking. The transcription factor p45 NF-E2 (nuclear factor erythroid derived 2) has been recently found to regulate trophoblast differentiation in mice...
April 6, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28377521/prenatal-loss-of-father-during-world-war-one-is-predictive-of-a-reduced-lifespan-in-adulthood
#19
Nicolas Todd, Alain-Jacques Valleron, Pierre Bougnères
Although early-life stress is known to alter health, its long-term consequences on mortality remain largely unknown. Thanks to unique French legislation established in 1917 for war orphans and children of disabled soldiers, we were able to study the adult mortality of individuals born in 1914-1916 whose fathers were killed during World War 1. Vital information and socio-demographic characteristics were extracted manually from historical civil registers for 5,671 children born between 1 August 1914 and 31 December 1916 who were granted the status of "pupille de la Nation" (orphan of the Nation)...
April 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28370793/vaginal-delivery-after-placental-abruption-with-intrauterine-fetal-death-a-20-year-single-center-experience
#20
Ayami Inoue, Eiji Kondoh, Koh Suginami, Shingo Io, Yoshitsugu Chigusa, Ikuo Konishi
AIM: The aim of this study was to elucidate the feasibility and safety of vaginal delivery (VD) when placental abruption causes fetal demise. METHODS: We conducted a retrospective study of women who were managed for placental abruption with intrauterine fetal death at Kyoto University Hospital during the period from 1995 to 2015. RESULTS: Sixteen cases were identified during the study period. VD was attempted in 15 cases and was accomplished in 14 (93...
March 28, 2017: Journal of Obstetrics and Gynaecology Research
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