Identification of triploidy by DA/DAPI staining of trophoblastic interphase nuclei.

abstract：:Corticosteroid conversion by early (7 to 10 weeks) and late (36 to 42 weeks) human placenta, fetal membranes and decidua was studied. Tritiated cortisol, cortisone, corticosterone, 11-dehydrocorticosterone (DHC) and 11-deoxycorticosterone (DOC) were incubated in vitro with homogenates of these tissues and extracts chr...

journal_title：Placenta

authors： López Bernal A,Craft IL

更新日期：1981-10-01 00:00:00

abstract：:A long and productive history of studies at high altitude has demonstrated that chronic hypoxia plays a key role in the aetiology of intrauterine growth restriction (IUGR) and pre-eclampsia. Susceptibility to altitude-associated IUGR varies among high-altitude populations in relation to their duration of altitude expo...

journal_title：Placenta

authors： Moore LG,Shriver M,Bemis L,Hickler B,Wilson M,Brutsaert T,Parra E,Vargas E

更新日期：2004-04-01 00:00:00

abstract：:This study examines middle and late gestational placentae from 13 Tayassu tajacu (collared peccary) and 3 Tayassu pecari (white-lipped peccary), which are Artiodactyla belonging to the Family Tayassuidae. The chorionic sac of Tayassu species is diffuse and chorioallantoic. These epitheliochorial placentae show no trop...

journal_title：Placenta

authors： Santos TC,Dantzer V,Jones CJ,Oliveira MF,Miglino MA

更新日期：2006-02-01 00:00:00

abstract：:Our objective was to evaluate whether antiphospholipid antibody-containing sera could play a regulatory role in signal transduction induced by gonadotrophin releasing hormone (GnRH) when incubated with normal human trophoblast cells. To test this hypothesis we established an in vitro placental culture system in which ...

journal_title：Placenta

authors： Di Simone N,De Carolis S,Lanzone A,Ronsisvalle E,Giannice R,Caruso A

更新日期：1995-01-01 00:00:00

abstract：INTRODUCTION:Placental transport is the main factor affecting the health and development of the fetus. Due to the placenta's geometrical and mathematical complexity, the structure-function relations of placental terminal villi have not been successfully modeled. Hence, a novel modeling approach is proposed. METHODS:Co...

journal_title：Placenta

authors： Plitman Mayo R,Charnock-Jones DS,Burton GJ,Oyen ML

更新日期：2016-07-01 00:00:00

abstract：:Pregnant mothers are exposed to a wide variety of foreign chemicals. This exposure is most commonly due to maternal medication, lifestyle factors, such as smoking, drug abuse, and alcohol consumption, or occupational and environmental sources. Foreign compounds may interfere with placental functions at many levels e.g...

journal_title：Placenta

authors： Myllynen P,Pasanen M,Pelkonen O

更新日期：2005-05-01 00:00:00

abstract：:Dietary taurine is essential for cats and deficiency during pregnancy may lead to abortion, growth restriction or impaired neurological function of kittens. We previously described Na(+)- and Cl(-)-dependent taurine transport by system beta in fragments of freshly isolated cat placenta [Champion EE, Bailey SJ, Glazier...

journal_title：Placenta

authors： Champion EE,Mann SJ,Glazier JD,Jones CJ,Rawlings JM,Sibley CP,Greenwood SL

更新日期：2005-09-01 00:00:00

abstract：INTRODUCTION:Placental blood flow is closely associated with fetal growth and wellbeing. Recent studies suggest that there are differences in blood flow between male and female fetuses. We hypothesized that sexual dimorphism exists in fetal and placental blood flow at 22-24 weeks of gestation. METHODS:This was a prosp...

journal_title：Placenta

authors： Widnes C,Flo K,Acharya G

更新日期：2017-01-01 00:00:00

abstract：:Preeclampsia is a leading cause of maternal and fetal morbidity and mortality in high and low-income countries. The aetiology of preeclampsia is multifactorial and remains obscure. Some evidences suggest that altered placental fatty acid oxidation might play a role in the pathogenesis of preeclampsia. To reveal if pla...

journal_title：Placenta

authors： Bartha JL,Visiedo F,Fernández-Deudero A,Bugatto F,Perdomo G

更新日期：2012-02-01 00:00:00

abstract：:Placental ultrasonographic, bio- and histochemical studies were performed on four unrelated fetuses affected with Niemann-Pick disease Type A, following prostaglandin-induced abortion at about the 19th week of gestation. An accumulation of sphingomyelin in the placentae of affected fetuses indicates the essential role...

journal_title：Placenta

authors： Schoenfeld A,Abramovici A,Klibanski C,Ovadia J

更新日期：1985-01-01 00:00:00

abstract：:We have investigated whether maternal peripheral blood from the first trimester of pregnancy is a reliable source of identifiable trophoblast cells. The cells were enriched from 30 ml of venous blood, with multiple antibodies shown previously to enrich trophoblasts and a new cocktail based on known trophoblast surface...

journal_title：Placenta

authors： Schueler PA,Yamanishi DT,Pearson J,Lee Y,Wu X,Hashima S,Madlansacay MR,Cain CA,Collarini EJ,Foltz L,Mahoney W

更新日期：2001-09-01 00:00:00

abstract：:Intrauterine inflammation contributes to neonatal infection-related morbidity. A new histological framework of placental inflammation has recently been proposed; however, the association between this method and clinical findings has not been defined. To assess the clinical relevance of this system, we studied placenta...

journal_title：Placenta

authors： Yamada N,Sato Y,Moriguchi-Goto S,Yamashita A,Kodama Y,Sameshima H,Asada Y

更新日期：2015-12-01 00:00:00

abstract：:Superficial invasion of extravillous trophoblasts (EVTs) and impaired spiral artery remodelling are characterizing phenomena in pregnancies complicated by pre-eclampsia (PE) and fetal growth restriction (FGR). However, the underlying causes remain unclear. In this study, gene expression in decidua basalis tissue from ...

journal_title：Placenta

authors： Lian IA,Toft JH,Olsen GD,Langaas M,Bjørge L,Eide IP,Børdahl PE,Austgulen R

更新日期：2010-07-01 00:00:00

abstract：:Stereological methods were used to test whether or not altitudinal, ethnic and sex differences in birthweight in Bolivia are associated with differences in placental morphology. Estimates of the volumes, surface areas, lengths and diameters of villi and of fetal capillaries were obtained by analysing paraffin sections...

journal_title：Placenta

authors： Jackson MR,Mayhew TM,Haas JD

更新日期：1987-09-01 00:00:00

abstract：INTRODUCTION:Preeclampsia is a severe pregnancy complication mostly due to inadequate vascular dilation and remodeling of spiral arteries. VEGF, the major factor for angiogenesis, is necessary for modulating angiogenic processes in the placenta. Hence reduction of VEGF in gestational hypertension may also lead to hypop...

journal_title：Placenta

authors： Guo X,Feng L,Jia J,Chen R,Yu J

更新日期：2016-10-01 00:00:00

abstract：OBJECTIVES:Observational and empirical evidence suggest that the average placental shape is round with a centrally inserted umbilical cord. Yet variability of shape is common. When in pregnancy do shape and cord insertion variations originate? MATERIALS AND METHODS:Placental measures from published datasets obtained u...

journal_title：Placenta

authors： Salafia CM,Yampolsky M,Shlakhter A,Mandel DH,Schwartz N

更新日期：2012-03-01 00:00:00

abstract：:Apart from during the prepartal period, the main oestrogen produced by the bovine trophoblast is oestrone sulphate (E1S) which does not bind to nuclear oestrogen receptors (ER). High steroid sulphatase (StS) activities previously detected in the maternal part of bovine placentomes (caruncles) suggest the local activat...

journal_title：Placenta

authors： Greven H,Kowalewski MP,Hoffmann B,Geyer J,Rex-Haffner M,Ugele B,Schuler G

更新日期：2007-08-01 00:00:00

abstract：:Alphafetoprotein (AFP) is detectable in maternal serum from around six weeks of gestation and is synthesised by the yolk sac and the fetal liver. The role of the placenta in the transport and possible synthesis of AFP is uncertain. The aim of this study was to investigate placental expression of AFP and the AFP recept...

journal_title：Placenta

authors： Newby D,Dalgliesh G,Lyall F,Aitken DA

更新日期：2005-02-01 00:00:00

abstract：:Human parvovirus B19 (B19) infection during pregnancy can result in horizontal transmission of the virus and congenital infection. The main targets for B19 replication are the erythroid precursor cell of the colony and burst forming units. The cellular receptor necessary for B19 infectivity is globoside. Other non-ery...

journal_title：Placenta

authors： Jordan JA,Butchko AR

更新日期：2002-08-01 00:00:00

abstract：OBJECTIVE:Mesenchymal stem/stromal cells derived from human term placentas (PMSCs) are novel therapeutic agents and more topical than ever. Here we evaluated the effects of three types of PMSCs on wound healing in an in vivo mouse model: Amnion-derived MSCs (AMSCs), blood vessel-derived MSCs (BV-MSCs) from the chorioni...

journal_title：Placenta

authors： Ertl J,Pichlsberger M,Tuca AC,Wurzer P,Fuchs J,Geyer SH,Maurer-Gesek B,Weninger WJ,Pfeiffer D,Bubalo V,Parvizi D,Kamolz LP,Lang I

更新日期：2018-05-01 00:00:00

abstract：:The effects of 8-epi-prostaglandin F(2alpha)(8-epi-PGF(2alpha)) and the thromboxane A(2)-mimetic U46619 were examined on isolated human fetal placental arteries obtained from normal pregnancies and from those complicated by pre-eclampsia. The effects of these agents were examined on both conduit and resistance arterie...

journal_title：Placenta

authors： Kwek K,Read MA,Khong TY,Bisits AT,Walters WA

更新日期：2001-07-01 00:00:00

abstract：:Annexins are soluble proteins that bind to biological membranes containing negatively charged phospholipids, principally phosphatidylserine, in a Ca(2+)-dependent manner. Annexin-A5 (AnxA5), the smallest member of the annexin family, presents unique properties of membrane binding and self-assembly into ordered two-dim...

journal_title：Placenta

authors： Bouter A,Carmeille R,Gounou C,Bouvet F,Degrelle SA,Evain-Brion D,Brisson AR

更新日期：2015-04-01 00:00:00

abstract：INTRODUCTION:The objective of this study was to explore serum levels of differentially abundant proteins between women with hypertensive disorders of pregnancy (HDP) and women with normal-term pregnancy, and to explore the contribution of SH3BGRL3 to the pathogenesis of HDP. METHODS:At 6-20 weeks gestation 48 pregnant...

journal_title：Placenta

authors： Jiang M,Lash GE,Zeng S,Liu F,Han M,Long Y,Cai M,Hou H,Ning F,Hu Y,Yang H

更新日期：2020-11-14 00:00:00

abstract：BACKGROUND:The introduction of the Solomon technique for the treatment of twin-twin transfusion syndrome (TTTS) increased placental exposure to laser energy. This study aims to identify the impact of power and energy used in laser treatment on placental tissue and pregnancy outcome. METHODS:Pictures of all dye-injecte...

journal_title：Placenta

authors： Akkermans J,de Vries SM,Zhao D,Peeters SHP,Klumper FJ,Middeldorp JM,Oepkes D,Slaghekke F,Lopriore E

更新日期：2017-04-01 00:00:00

abstract：:Theories on the development of placental pathologies and insufficiencies are based on the assumption that the development of the placental villous trees, the invasion of extravillous trophoblast or the differentiation of the villous trophoblast is somehow dysregulated. One of the pioneers trying to answer these questi...

journal_title：Placenta

authors： Huppertz B,Burton G,Cross JC,Kingdom JC

更新日期：2006-04-01 00:00:00

abstract：:Neonates born after pregnancies complicated by diabetes or intrauterine growth restriction (IUGR) have increased incidence of hypocalcaemia. Furthermore, IUGR is associated with reduced bone mineralization in infancy and osteoporosis in adult life. We tested the hypothesis that placental calcium transport is altered i...

journal_title：Placenta

authors： Strid H,Bucht E,Jansson T,Wennergren M,Powell TL

更新日期：2003-05-01 00:00:00

abstract：:The human placenta is capable of producing a variety of haematopoietic growth factors in vitro. It is not clear, however, whether the placenta produces such factors in vivo and if so, whether placental production of haematopoietic growth factors has a physiological role in fetal haematopoietic development. As a step t...

journal_title：Placenta

authors： Li Y,Calhoun DA,Polliotti BM,Sola MC,al-Mulla Z,Christensen RD

更新日期：1996-11-01 00:00:00

abstract：:Receptors for complexes between alpha 2-macroglobulin (alpha 2M) and proteinases (e.g. trypsin) were identified and characterized in the human placenta. The receptors also bound the complex formed between pregnancy zone protein (PZP) and chymotrypsin, although with slightly lower affinity, whereas binding of alpha 2M ...

journal_title：Placenta

authors： Jensen PH,Moestrup SK,Sottrup-Jensen L,Petersen CM,Gliemann J

更新日期：1988-09-01 00:00:00

abstract：:Respiratory parameters were studied in mitochondria from human placenta. Respiratory control and ADP/O ratios were low in this preparation. The adenine nucleotide content of placental mitochondria was found to be only one quarter of that found for adult uterine muscle tissue mitochondria prepared in the same way. Load...

journal_title：Placenta

authors： Illsley NP,Coade SB,Harkness RA

更新日期：1985-05-01 00:00:00

abstract：:The fusion of villous cytotrophoblast into the placental syncytium is the quintessential process in maintenance of a healthy pregnancy. Efficient fusion requires a phosphatidylserine (PS)-rich cytotrophoblast surface, expression of fusion proteins, cessation of cell cycling, and rearrangement of cytoskeleton to accomm...

journal_title：Placenta

authors： Rote NS,Wei BR,Xu C,Luo L

更新日期：2010-02-01 00:00:00