Pregnancy outcomes and ultrasonographic diagnosis in patients with histologically-proven placental chorioangioma.

abstract：:The purpose of this study was to examine evidence for the presence of activated leukocytes in the fetal membranes from patients with preterm delivery. Polymorphonuclear leukocytes in fetal membranes from seven patients with preterm delivery (26-32 weeks of gestation) were analysed using transmission electron microscop...

journal_title：Placenta

authors： Matsubara S,Yamada T,Minakami H,Watanabe T,Takizawa T,Sato I

更新日期：1999-03-01 00:00:00

abstract：:During pregnancy, leptin concentrations in the maternal circulation are elevated in both humans and rodents but decrease to pre-pregnancy levels at birth, suggesting a role for leptin in the maintenance of pregnancy. Synthesis of leptin by the human placenta is established but whether the murine placenta synthesizes l...

journal_title：Placenta

authors： Malik NM,Carter ND,Wilson CA,Scaramuzzi RJ,Stock MJ,Murray JF

更新日期：2005-01-01 00:00:00

abstract：:The gestational age and litter size in the guinea pig can be accurately assessed by taking an x-ray of the animal. From a measurement of the fetal head length on the x-ray plate a fetal weight can be calculated using previously accumulated data, included here. The gestational age can be assessed from this weight to wi...

journal_title：Placenta

authors： Thomas CR,Lowy C

更新日期：1982-01-01 00:00:00

abstract：:The trophoblastic and endodermal tissues of the guinea pig were cytophotometrically examined at two stages of development, either shortly after the primary trophoblastic giant cell layer had degenerated (Sansom and Hill, 1931) and the visceral yolk sac was starting to form (Kaufman and Davidoff, 1977) (c. 10.5 days p....

journal_title：Placenta

authors： Ilgren EB

更新日期：1981-10-01 00:00:00

abstract：:The human placenta contains two types of 11beta-hydroxysteroid dehydrogenase (11beta-HSD). The exclusive oxidase 11beta-HSD2 has been suggested to protect the fetus from high levels of maternal glucocorticoids by converting cortisol to inactive cortisone. Perfused term human placenta was used to examine the activity o...

journal_title：Placenta

authors： Sun K,Adamson SL,Yang K,Challis JR

更新日期：1999-01-01 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：:Hofbauer cells have been identified by morphological criteria in human placentae and are considered to be mononuclear phagocytes. An increasing recognition of the morphological heterogeneity of mononuclear phagocytes and of the considerable difficulty in their recognition in histological sections has suggested that th...

journal_title：Placenta

authors： Wood GW

更新日期：1980-04-01 00:00:00

abstract：:In order to characterize the expression of adrenomedullin during pregnancy, we measured the mature and total concentrations in maternal plasma and amniotic fluid, and examined its expression in fetoplacental tissues. Plasma samples were obtained from 13 normal normotensive non-pregnant women and 14 normal normotensive...

journal_title：Placenta

authors： Kanenishi K,Kuwabara H,Ueno M,Sato C,Sakamoto H,Hata T

更新日期：2001-02-01 00:00:00

abstract：:Placental trophoblast syncytialization is a unique biological process. We have studied the time course of this process using DNA microarray in a cell model of syncytialization (the cytotrophoblast cell line BeWo following increased intracellular cAMP by forskolin). Total RNA was extracted from BeWo cells and labelled-...

journal_title：Placenta

authors： Kudo Y,Boyd CA,Sargent IL,Redman CW,Lee JM,Freeman TC

更新日期：2004-07-01 00:00:00

abstract：INTRODUCTION:miRNAs are small non-coding RNAs important for the regulation of mRNA in many organs including placenta. Adipokines and specifically leptin are known to be dysregulated in preeclampsia, but little is known regarding their regulation by miRNAs during pregnancy. METHODS:We performed high-throughput sequenci...

journal_title：Placenta

authors： Weedon-Fekjær MS,Sheng Y,Sugulle M,Johnsen GM,Herse F,Redman CW,Lyle R,Dechend R,Staff AC

更新日期：2014-09-01 00:00:00

abstract：:Members of the transmembrane emp24 domain (Tmed)/p24 family of proteins are required for transport of proteins between the endoplasmic reticulum and the Golgi. One member of this family, Tmed2/p24β1, is expressed during placental development in mice and its expression is required for normal development of the labyrint...

journal_title：Placenta

authors： Zakariyah A,Hou W,Slim R,Jerome-Majewska L

更新日期：2012-03-01 00:00:00

abstract：:The uptake of [3H]choline and its conversion to [3H]acetylcholine were investigated in term human placental tissue in vitro. Although the net uptake of [3H]choline increased throughout a 45 min incubation period, intracellular [3H]choline levels reach a plateau after 2 min. There was a constant increase in [3H]acetylc...

journal_title：Placenta

authors： Leventer SM,Rowell PP

更新日期：1984-05-01 00:00:00

abstract：:Previous clinical studies have shown the efficacy of a two-stage surgical procedure - the induced membrane (IM) technique - for reconstruction of large bone defects or bone non-union. The first stage involves radical debridement and insertion of a cement spacer into the bone defect. The second stage, performed weeks t...

journal_title：Placenta

authors： Gindraux F,Rondot T,de Billy B,Zwetyenga N,Fricain JC,Pagnon A,Obert L

更新日期：2017-11-01 00:00:00

abstract：OBJECTIVE:To study the association between velamentous cord insertion (VCI) and different outcomes in monochorionic twins with and without twin-twin transfusion syndrome (TTTS). METHODS:We recorded the cord insertion type in all consecutive monochorionic placentas examined in two tertiary medical centers. The associat...

journal_title：Placenta

authors： Costa-Castro T,De Villiers S,Montenegro N,Severo M,Oepkes D,Matias A,Lopriore E

更新日期：2013-11-01 00:00:00

abstract：OBJECTIVE:Increasing evidence suggests an association between periodontal disease and low birthweight (LBW); however the underlying molecular mechanisms are yet to be fully elucidated. In this study, we performed a microarray analysis to observe the human placental trophoblast-like BeWo cells response to lipopolysaccha...

journal_title：Placenta

authors： Li Y,Shibata Y,Zhang L,Kuboyama N,Abiko Y

更新日期：2011-01-01 00:00:00

abstract：:It will be apparent from this review that the exact role of IFN on human placental development remains largely undefined. However, there is now sufficient data available on the biological functions of this cytokine in other cellular systems to provide a conceptual framework upon which the influence of IFN on the human...

journal_title：Placenta

authors： Loke YW,King A

更新日期：1990-07-01 00:00:00

abstract：:During the first trimester in normal human pregnancy, endovascular trophoblast migrate along the decidual spiral arteries and invade their walls to produce physiological change. There is controversy as to whether invading trophoblast plug the arteries and prevent blood flow into the intervillous space. Using light mic...

journal_title：Placenta

authors： Meekins JW,Luckas MJ,Pijnenborg R,McFadyen IR

更新日期：1997-07-01 00:00:00

abstract：INTRODUCTION:Placental abruption is a serious pregnancy complication that causes maternal and neonatal mortality and morbidity. Whether maternal and neonatal outcomes differ between patients who concurrently presented with preeclampsia and those who did not, have not been fully investigated. METHODS:A total number of ...

journal_title：Placenta

authors： Han M,Liu D,Zeb S,Li C,Tong M,Li X,Chen Q

更新日期：2019-09-15 00:00:00

abstract：:The ovaries and uteri were removed from four pregnant camels on days 14, 25, 35 and 56 after ovulation. The day 14 and 25 uteri were perfuse-fixed with 3 per cent glutaraldehyde: 3 per cent paraformaldehyde whereas the day 35 and 56 specimens were opened dorsally for photography before biopsies of allantochorion attac...

journal_title：Placenta

authors： Skidmore JA,Wooding FB,Allen WR

更新日期：1996-05-01 00:00:00

abstract：:Glucose residues were revealed by light microscopic and fine structural analysis using hexokinase-gold conjugate. In human term placenta specific staining was detected over the stroma of placental villi. Colloidal gold particles were found over the collagen fibrils and reticular lamina of basal membrane. Syncytiotroph...

journal_title：Placenta

authors： Glazyrin AL,Kolesnikov SI

更新日期：1993-09-01 00:00:00

abstract：:Workshops are an important part of the IFPA annual meeting as they allow for discussion of specialised topics. At IFPA meeting 2013 there were twelve themed workshops, three of which are summarized in this report. These workshops related to various aspects of placental biology but collectively covered areas of placent...

journal_title：Placenta

authors： Abumaree MH,Brownbill P,Burton G,Castillo C,Chamley L,Croy BA,Drewlo S,Dunk C,Girard S,Hansson S,Jones S,Jurisicova A,Lewis R,Letarte M,Parast M,Pehrson C,Rappolee D,Schneider H,Tannetta D,Varmuza S,Wadsack C,Wa

更新日期：2014-02-01 00:00:00

abstract：:The mechanism of iron release from the placenta into the fetal circulation is not well understood. Ceruloplasmin, a plasma ferroxidase, has been implicated in iron efflux from a variety of cell types. The hypothesis is that circulating ceruloplasmin facilitates iron efflux by oxidizing the released Fe(II) to Fe(III) f...

journal_title：Placenta

authors： Danzeisen R,Ponnambalam S,Lea RG,Page K,Gambling L,McArdle HJ

更新日期：2000-11-01 00:00:00

abstract：:Intrauterine growth and development can impact upon the long-term health of an individual. The fetus is dependent upon the placenta for its supply of nutrients and oxygen from the mother. In turn, the functional capacity of the placenta to supply that demand is under the control of the fetal and maternal genomes. Rece...

journal_title：Placenta

authors： Angiolini E,Fowden A,Coan P,Sandovici I,Smith P,Dean W,Burton G,Tycko B,Reik W,Sibley C,Constância M

更新日期：2006-04-01 00:00:00

abstract：:Antigenic material previously detected in human placental trophoblastic cells by immunoperoxidase staining using a goat antiserum against the feline RD114 retrovirus structural protein p30 was isolated by immunochromatography from normal syncytiotrophoblast. The antigen was used to immunize mice, and of the monoclonal...

journal_title：Placenta

authors： Wahlström T,Nieminen P,Närvänen A,Suni J,Lehtovirta P,Saksela E,Vaheri A

更新日期：1984-11-01 00:00:00

abstract：BACKGROUND:Mitogen-activated protein kinases (MAP kinases) participate in signal transduction pathways that control embryogenesis, cell differentiation, cell proliferation and cell death. The roles of extracellular signal-regulated kinase1/2 (ERK1/2) and p38 MAP kinase in the differentiation and invasion of human troph...

journal_title：Placenta

authors： Moon KC,Park JS,Norwitz ER,Kim DI,Oh KJ,Park CW,Jun JK,Syn HC

更新日期：2008-05-01 00:00:00

abstract：:We tested the hypothesis that crossing two mouse models of fetal growth restriction (FGR) of differing phenotype would induce more severe FGR than either model alone. Female endothelial nitric oxide synthase knockout mice (eNOS(-/-)) were mated with placental-specific Igf2 knockout males (P0). Resultant fetuses were n...

journal_title：Placenta

authors： Dilworth MR,Kusinski LC,Baker BC,Renshall LJ,Baker PN,Greenwood SL,Wareing M,Sibley CP

更新日期：2012-12-01 00:00:00

abstract：OBJECTIVE:Pregestational maternal obesity (PGMO) associates with foetoplacental vascular endothelial dysfunction and higher risk for insulin resistance in the neonate. We characterised the PGMO consequences on the insulin response of the human foetoplacental vasculature. METHODS:Umbilical veins were from pregnancies w...

journal_title：Placenta

authors： Villalobos-Labra R,Westermeier F,Pizarro C,Sáez PJ,Toledo F,Pardo F,Kusanovic JP,Mardones F,Poblete JA,Sobrevia L,Farías M

更新日期：2019-10-01 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:Imprinted genes are preferentially expressed from one parentally inherited allele, and many are crucial to the regulation of placental function and fetal growth. Murine Krüppel-like factor 14 (Klf14) is a maternally expressed imprinted transcription factor that is a component of the Mest imprinted gene clu...

journal_title：Placenta

authors： Koppes E,Shaffer B,Sadovsky E,Himes K,Barak Y,Sadovsky Y,Chaillet JR

更新日期：2019-12-01 00:00:00

abstract：:Amino acid transfer to the fetus is dependent on several different factors. While these factors can be understood in isolation, it is still not possible to predict the function of the system as a whole. In order to do this an integrated approach is required which incorporates the interactions between the different det...

journal_title：Placenta

authors： Lewis RM,Brooks S,Crocker IP,Glazier J,Hanson MA,Johnstone ED,Panitchob N,Please CP,Sibley CP,Widdows KL,Sengers BG

更新日期：2013-03-01 00:00:00