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https://www.readbyqxmd.com/read/27906186/preimplantation-factor-is-an-anti-apoptotic-effector-in-human-trophoblasts-involving-p53-signaling-pathway
#1
Hadia Moindjie, Esther Dos Santos, Rita-Josiane Gouesse, Nelly Swierkowski-Blanchard, Valérie Serazin, Eytan R Barnea, François Vialard, Marie-Noëlle Dieudonné
From the earliest stages of gestation, embryonic-maternal interaction has a key role in a successful pregnancy. Various factors present during gestation may significantly influence this type of juxta/paracrine interaction. PreImplantation Factor (PIF) is a recently identified factor with activity at the fetomaternal interface. PIF is secreted by viable embryos and directly controls placental development by increasing the invasive capacity of human extravillous trophoblasts (EVTs). To further specify PIF's role in the human placenta, we analyzed the genome-wide expression profile of the EVT in the presence of a synthetic PIF analog (sPIF)...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27871060/involvement-of-serum-glucocorticoid-regulated-kinase-1-in-reproductive-success
#2
REVIEW
Yiyun Lou, Minhao Hu, Luna Mao, Yingming Zheng, Fan Jin
Reproductive processes, in particular events that concern pregnancy, are fine-tuned to produce offspring. Reproductive success is of prime importance for the survival of every species. The highly conserved and ubiquitously expressed serum glucocorticoid-regulated kinase 1 (SGK1) was first implicated in infertility as a regulator of a Na(+) channel. In this review, we emphasize the prominent role of SGK1 during early pregnancy: 1) balancing uterine luminal fluid secretion and reabsorption to aid blastocyst adhesion and to import nutrients and energy; 2) transducing signals from the blastocyst to the receptive endometrium; 3) inducing multiple genes that are involved in uterine receptivity and trophoblast invasion; 4) regulating cell differentiation and antioxidant defenses at the fetomaternal interface; and 5) contributing to the proliferation and survival of decidual stromal cells...
November 9, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27859455/women-s-choices-for-invasive-or-non-invasive-testing-influence-of-gestational-age-and-service-delivery
#3
An Chen, Henni Tenhunen, Paulus Torkki, Seppo Heinonen, Paul Lillrank, Vedran Stefanovic
OBJECTIVE: To investigate the factors influencing women's post-counseling choices between non-invasive prenatal testing (NIPT) and invasive prenatal diagnosis in pregnancies with elevated a priori risk of fetal chromosomal abnormalities or after the initial screening. METHODS: Data were collected from test choice database at Fetomaternal Medical Center (FMC) at Helsinki University Hospital, Finland. We focused on the women with gestational age less than 15 weeks and who were offered NIPT or invasive procedure (CVS or amniocentesis) after pre-test counseling...
November 8, 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27857529/severe-hemolytic-disease-of-the-premature-newborn-due-to-rh1-incompatibility-a-case-report
#4
Jean Uwingabiye, Hafid Zahid, Fayçal Labrini, Abdelhak El Khazraji, Anass Yahyaoui, Rachid Hadef, Nezha Messaoudi
We report a case of dramatic outcome of severe hemolytic disease in a newborn due to RH1 incompatibility. A newborn with A RH1 blood group was admitted in the Mohammed V Military Teaching Hospital for the problem of hydrops fetalis associated with RH1 incompatibility. The blood group of his mother, aged 31, was AB RH1-negative and that of his 37 year old father was A RH1. The mother had a history of 4 term deliveries, 3 abortions, and 1 living child. There was no prevention by anti-D immunoglobulin postpartum...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27821986/obesity-or-underweight-what-is-worse-in-pregnancy
#5
Sumi Agrawal, Abha Singh
OBJECTIVE: This study was conducted to compare underweight and obese women and their weight gain during pregnancy on fetomaternal outcome. METHOD: This is a prospective, non-interventional, observational study on 1000 women (BMI between 20 and 30 were excluded). Women attending ANC OPD with singleton pregnancy at or before 16 weeks were included and BMI calculated in early pregnancy. Their weight gain during pregnancy was noted. Any complications in the mother or perinate were noted...
December 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27806668/contemporary-management-of-neonatal-alloimmune-thrombocytopenia-good-outcomes-in-the-intravenous-immunoglobulin-era-results-from-the-australian-neonatal-alloimmune-thrombocytopenia-registry
#6
Gemma L Crighton, Ri Scarborough, Zoe K McQuilten, Louise E Phillips, Helen F Savoia, Bronwyn Williams, Rhonda Holdsworth, Amanda Henry, Erica M Wood, Stephen A Cole
OBJECTIVE: To describe the natural history, antenatal and postnatal therapy, and clinical outcomes of Australian patients with fetomaternal/neonatal alloimmune thrombocytopenia (NAIT) recorded in the Australian NAIT Registry. METHODS: Analysis of registry data of Australian mothers treated antenatally for NAIT and any fetus/newborn with thrombocytopenia (TCP) and maternal human platelet antigen (HPA) antibodies. RESULTS: 94 potential cases (91 pregnancies; three twin pregnancies) were registered between December 2004 and September 2015 with 76 confirmed or treated as NAIT...
November 2, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27803585/comparative-analysis-of-perinatal-outcome-of-spontaneous-pregnancy-reduction-and-multifetal-pregnancy-reduction-in-triplet-pregnancies-conceived-after-assisted-reproductive-technique
#7
Shilpa Bhandari, Ishita Ganguly, Pallavi Agrawal, Shweta Bhandari, Aparna Singh, Nitika Gupta
INTRODUCTION: With the advent of assisted reproductive treatment options, the incidence of multiple pregnancies has increased. Although the need for elective single embryo transfer is emphasized time and again, its uniform applicability in practice is yet a distant goal. In view of the fact that triplet and higher order pregnancies are associated with significant fetomaternal complications, the fetal reduction is a commonly used option in such cases. This retrospective study aims to compare the perinatal outcome in patients with triplet gestation who have undergone spontaneous fetal reduction (SFR) as against those in whom multifetal pregnancy reduction (MFPR) was done...
July 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/27793998/mapping-the-fetomaternal-peripheral-immune-system-at-term-pregnancy
#8
Gabriela K Fragiadakis, Quentin J Baca, Pier Federico Gherardini, Edward A Ganio, Dyani K Gaudilliere, Martha Tingle, Hope L Lancero, Leslie S McNeil, Matthew H Spitzer, Ronald J Wong, Gary M Shaw, Gary L Darmstadt, Karl G Sylvester, Virginia D Winn, Brendan Carvalho, David B Lewis, David K Stevenson, Garry P Nolan, Nima Aghaeepour, Martin S Angst, Brice L Gaudilliere
Preterm labor and infections are the leading causes of neonatal deaths worldwide. During pregnancy, immunological cross talk between the mother and her fetus is critical for the maintenance of pregnancy and the delivery of an immunocompetent neonate. A precise understanding of healthy fetomaternal immunity is the important first step to identifying dysregulated immune mechanisms driving adverse maternal or neonatal outcomes. This study combined single-cell mass cytometry of paired peripheral and umbilical cord blood samples from mothers and their neonates with a graphical approach developed for the visualization of high-dimensional data to provide a high-resolution reference map of the cellular composition and functional organization of the healthy fetal and maternal immune systems at birth...
December 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27753254/is-fetomaternal-haemorrhage-still-a-major-obstetric-complication-despite-new-technologies-management
#9
Corinne Hubinont
No abstract text is available yet for this article.
November 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27704657/spontaneous-haemoperitoneum-in-pregnancy-and-endometriosis-a-case-series
#10
McI Lier, R F Malik, Jhtm van Waesberghe, J W Maas, D A van Rumpt-van de Geest, S F Coppus, J P Berger, B B van Rijn, P F Janssen, M A de Boer, Jip de Vries, F W Jansen, I A Brosens, C B Lambalk, V Mijatovic
OBJECTIVE: To report pregnancy outcomes of SHiP (spontaneous haemoperitoneum in pregnancy) and the association with endometriosis. DESIGN: Retrospective case note review. SETTING: Dutch referral hospitals for endometriosis. SAMPLE: Eleven women presenting with 15 events of SHiP. METHODS: In collaboration with the Dutch Working Group on Endometriosis, unpublished cases of SHiP that occurred in the Netherlands between 2010 and 2015 were retrieved...
October 5, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27692364/plac1-is-involved-in-human-trophoblast-syncytialization
#11
Wen-Lin Chang, Huiying Wang, Lina Cui, Nan-Ni Peng, Xiujun Fan, Li-Qun Xue, Qing Yang
Placenta specific protein 1 (PLAC1) is thought to be important for murine and human placentation because of its abundant expression in placenta; however, the trophoblast subtypes that express PLAC1 at the fetomaternal interface and the major role of PLAC1 in placentation are still unclear. This study investigated the expression pattern of PLAC1 at the human fetomaternal interface and its involvement in trophoblast syncytialization. Localization of PLAC1 at the fetomaternal interface was studied using in situ hybridization (ISH) and immunohistochemistry (IHC) assays...
September 2016: Reproductive Biology
https://www.readbyqxmd.com/read/27666754/obstetrical-transfusion-medicine-knowledge-among-faculty-and-trainee-obstetricians-a-prospective-knowledge-assessment-study
#12
S Morris, M H Yudin, J Callum, A Alam, J Herold, Y Lin
OBJECTIVES: To evaluate the current state of transfusion medicine (TM) knowledge among obstetricians using a valid assessment tool. BACKGROUND: Transfusion issues are common in obstetrical patients. METHODS: Knowledge topics were identified and rated by experts in obstetrics, anaesthesia, haematology and TM using a modified Delphi method. A knowledge assessment tool was developed and validated during pilot testing. The assessment tool, consisting of 15 multiple choice questions, was administered electronically to members of the Society of Obstetricians and Gynaecologists of Canada (SOGC)...
September 26, 2016: Transfusion Medicine
https://www.readbyqxmd.com/read/27648610/thrombotic-thrombocytopenic-purpura-and-atypical-hemolytic-uremic-syndrome-microangiopathy-in-pregnancy
#13
Marie Scully
Thrombotic thrombocytopenic purpura (TTP) and atypical hemolytic uremic syndrome (aHUS) are thrombotic microangiopathies (TMAs) that can present in pregnancy. The presentation can be with typical microangiopathic features and thrombocytopenia, but there is also a significant risk of in-utero fetal loss. TTP presents most commonly in the third trimester and aHUS in the postpartum period. On presumptive diagnosis, plasma exchange should be started and ADAMTS13 (a disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13) activity measured...
September 20, 2016: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/27589388/genetic-evidence-that-captured-retroviral-envelope-syncytins-contribute-to-myoblast-fusion-and-muscle-sexual-dimorphism-in-mice
#14
François Redelsperger, Najat Raddi, Agathe Bacquin, Cécile Vernochet, Virginie Mariot, Vincent Gache, Nicolas Blanchard-Gutton, Stéphanie Charrin, Laurent Tiret, Julie Dumonceaux, Anne Dupressoir, Thierry Heidmann
Syncytins are envelope genes from endogenous retroviruses, "captured" for a role in placentation. They mediate cell-cell fusion, resulting in the formation of a syncytium (the syncytiotrophoblast) at the fetomaternal interface. These genes have been found in all placental mammals in which they have been searched for. Cell-cell fusion is also pivotal for muscle fiber formation and repair, where the myotubes are formed from the fusion of mononucleated myoblasts into large multinucleated structures. Here we show, taking advantage of mice knocked out for syncytins, that these captured genes contribute to myoblast fusion, with a >20% reduction in muscle mass, mean muscle fiber area and number of nuclei per fiber in knocked out mice for one of the two murine syncytin genes...
September 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27541443/pregnancy-with-chronic-kidney-disease-maternal-and-fetal-outcome
#15
Juhi Bharti, Richa Vatsa, Seema Singhal, Kallol Kumar Roy, Sunesh Kumar, Vanamail Perumal, Jyoti Meena
OBJECTIVE: Pregnancy with chronic kidney disease (CKD) is considered to be high risk. The purpose of this study was to assess the effect of pregnancy on CKD and the fetomaternal outcome in these patients. STUDY DESIGN: A retrospective observational study was conducted in the Department of Obstetrics and Gynaecology, All India Institute of medical sciences, New Delhi over a period of 11 years. A total number of 80 pregnant patients with CKD were reviewed. Staging of CKD was done according to glomerular filtration rate (GFR)...
September 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27525857/expression-of-pappa2-in-human-fetomaternal-interface-and-involvement-in-trophoblast-invasion-and-migration
#16
H Y Wang, Z Zhang, S Yu
Pregnancy-associated plasma protein-A 2 (PAPPA2) is a placental-enriched gene that is important for normal human placentation and defects in the gene can cause complications in pregnancy. Yet the exact expression pattern and role of PAPPA2 in the human fetomaternal interface are not clear. In this study, in situ hybridization (ISH) and immunohistochemistry (IHC) were employed to examine the spatial and temporal expression of PAPPA2 in the human fetomaternal interface. IHC results exhibited wide expression of PAPPA2 in the fetomaternal interface, with placental syncytiatrophoblast (STB) and extravillous trophoblast (EVT) showing strong expression and the cytotrophoblast (CTB) showing weak expression of PAPPA2...
2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27512480/rare-problems-with-rhd-immunoglobulin-for-postnatal-prophylaxis-after-large-fetomaternal-haemorrhage
#17
Amber Biscoe, Giselle Kidson-Gerber
We report a case of unusually large fetomaternal haemorrhage in a RhD- patient; of symptomatic non-sustained haemolysis of fetal red cells in the maternal circulation with infusion of intravenous high-dose RhD immunoglobulin; and of a failure to prevent RhD alloimmunisation. The haemolytic reaction is not previously reported in this patient group and we suggest would be limited to patients where the number of fetal red cells in the circulation is high. We advocate caution in treatment and spaced dosing of RhD immunoglobulin where the required dose is high, and refer readers to the WinRhoSDF™ RhD immunoglobulin product information for their updated dosing recommendations...
December 2015: Obstetric Medicine
https://www.readbyqxmd.com/read/27499913/genotyping-confirms-inheritance-of-the-rare-at-a-type-in-a-case-of-haemolytic-disease-of-the-newborn
#18
Rhiannon McBean, Yew-Wah Liew, Brett Wilson, Pawinee Kupatawintu, Morakot Emthip, Catherine Hyland, Robert Flower
The At(a) blood group antigen (now AUG2 in the Augustine system) is a high-frequency antigen with negative phenotype At(a-) found only in individuals of African ancestry. In a twin pregnancy, the fifth pregnancy in a woman of African origin, serological investigations confirmed that the mother was At(a-) and anti-At(a) was detected. DNA samples were exome sequenced and alignment was performed to allow variant calling. It was confirmed that the single nucleotide polymorphism, rs45458701, within the SLC29A1 gene encoding the ENT1 protein, recently reported to be a basis of the At(a-) phenotype was also the basis of the phenotype in this family...
January 2016: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/27499405/clinical-awareness-for-health-care-professionals-fatal-encephalopathy-complicating-persistent-vomiting-in-pregnancy
#19
Nnabuike Chibuoke Ngene, Jack Moodley
Women with persistent vomiting during pregnancy need early referral to appropriate health facilities. Delayed referral and inappropriate management may lead to metabolic encephalopathy from a variety of causes, including electrolyte derangements or thiamine deficiency (Wernicke's encephalopathy) (WE). We present a case of persistent vomiting in pregnancy in which there was delayed referral, inappropriate treatment and failure to associate neurological signs such as terminal neck stiffness with WE, resulting in poor fetomaternal outcomes...
August 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27494244/flow-cytometry-in-detection-of-fetal-red-blood-cells-and-maternal-f-cells-to-identify-fetomaternal-hemorrhage
#20
Mariela Granero Farias, Suzane Dal Bó, Simone Martins de Castro, Aline Reis da Silva, Joyce Bonazzoni, Luciana Scotti, Sergio H Almeida Martins Costa
Accurate detection and quantitation of fetomaternal hemorrhage (FMH) is critical to the obstetric management of rhesus D alloimmunization in Rh-negative pregnant women. The flow cytometry is based on the detection of fetal red blood cells using a monoclonal anti-HbF antibody, and is the method most indicated for this estimation. The objective of this study was to quantify fetal red blood cell levels of pregnant women using flow cytometry. We analyzed 101 peripheral blood samples from Rh-negative and Rh-positive women, whose mean age was 24 years (20-32 years), after vaginal delivery or cesarean section...
2016: Fetal and Pediatric Pathology
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