IFPA meeting 2008 workshops report.

abstract：:The ANP knockout mouse is reported to exhibit pregnancy-associated hypertension, proteinuria and impaired placental trophoblast invasion and spiral artery remodeling, key features of pre-eclampsia (PE). We hypothesized that these mice may provide a relevant model of human PE with associated fetal growth restriction (F...

journal_title：Placenta

authors： Finn-Sell SL,Renshall LJ,Cowley EJ,Dilworth MR,Wareing M,Greenwood SL,Sibley CP,Cottrell EC

更新日期：2016-06-01 00:00:00

abstract：:Placentae from controls and two groups of diabetic women (one White classes A, B, C and the other classes D, F/R) were collected at 37-42 weeks of gestation. Tissue sections were analysed using stereological methods in order to quantify the growth and maturational status of villi. Birth and placental weights were reco...

journal_title：Placenta

authors： Mayhew TM,Sørensen FB,Klebe JG,Jackson MR

更新日期：1994-01-01 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：BACKGROUND:Dietrich Starck (1908-2001) was a German embryologist who wrote extensive reviews on comparative placentation. FINDINGS:Starck's embryology textbook and his comprehensive review of comparative embryology and placentation give excellent insights into the foundational literature and are extensively referenced...

journal_title：Placenta

authors： Carter AM

更新日期：2017-10-01 00:00:00

abstract：:Mitochondrial function is required to support energetically-demanding processes in the placenta. As such, a compromise in mitochondrial function could severely impact fetal growth and development. Respirometry is a highly useful method for studying mitochondrial function, but is not possible in freeze-thawed mitochond...

journal_title：Placenta

authors： Colleoni F,Morash AJ,Ashmore T,Monk M,Burton GJ,Murray AJ

更新日期：2012-02-01 00:00:00

abstract：:The diversity of placental structures in Eutherian mammals is such that drawing generalizations from the definitive forms is problematic. There are always areas of reduced interhaemal distance whether the placenta is epitheliochorial, synepitheliochorial, endotheliochorial or haemochorial. However, the thinning may be...

journal_title：Placenta

authors： Enders AC,Carter AM

更新日期：2004-04-01 00:00:00

abstract：:Homeobox genes of the Distal-less (Dlx) family are expressed in the vertebrate embryo in regions where epithelial cell layers contact adjacent mesenchymal cells. This study shows that the human Dlx family member, DLX4, is expressed in the placenta, primarily in regions where epithelial and mesenchymal cell layers cont...

journal_title：Placenta

authors： Quinn LM,Latham SE,Kalionis B

更新日期：1998-01-01 00:00:00

abstract：:This study examines the vasorelaxation of isolated human placental chorionic plate arteries and the perfused fetal-placental vasculature, in vitro, to a variety of nitrovasodilator compounds including glyceryl trinitrate (GTN) sodium nitroprusside (SNP), S-nitroso-N-acetylpenicillamine (SNAP), S-nitroso-N-glutathione ...

journal_title：Placenta

authors： Zhang XQ,Kwek K,Read MA,Donoghue JF,Walters WA

更新日期：2001-04-01 00:00:00

abstract：:Eleven placentae and one fibroblast cell culture from pregnancies complicated by various inherited metabolic disorders, together with five chorionic villus biopsies from pregnancies at risk, were examined for ultrastructural evidence of accumulation of metabolites. Abnormal ultrastructural features were present as ear...

journal_title：Placenta

authors： Jones CJ,Lendon M,Chawner LE,Jauniaux E

更新日期：1990-09-01 00:00:00

abstract：BACKGROUND:Alloimmunization against human platelet antigens (HPAs) can occur prenatally and induce fetal/neonatal alloimmune thrombocytopenia (FNAIT). The aim of this study was to identify placental histological features associated with platelet alloimmunization and their clinical significance. METHODS:This study exam...

journal_title：Placenta

authors： Dubruc E,Lebreton F,Giannoli C,Rabilloud M,Huissoud C,Devouassoux-Shisheboran M,Allias F

更新日期：2016-12-01 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：:Pregnancy-associated plasma protein-A was assayed in the blood of 347 women during pregnancy, using a new primary standard of PAPP-A as reference. The protein was assayed by antibody-antigen crossed electrophoresis with the lower limit of confident assay being 9.5 micrograms PAPP-A/ml (13 pmol/ml). PAPP-A was first de...

journal_title：Placenta

authors： Sutcliffe RG,Kukulska-Langlands BM,Horne CH,Maclean AB,Jandial V,Sutherland HW,Gibb S,Bowman AW

更新日期：1982-01-01 00:00:00

abstract：:To clarify the biological and pathological features of choriocarcinoma, we evaluated the in vitro production of cytokines by a choriocarcinoma cell line, BeWo. We measured the concentration of interleukin (IL)-6 and IL-8 in the culture media of BeWo cells after stimulation with various modulatory agents of cytokine ex...

journal_title：Placenta

authors： Fujisawa K,Nasu K,Arima K,Sugano T,Narahara H,Miyakawa I

更新日期：2000-05-01 00:00:00

abstract：:Marijuana is one of the most abused drugs among pregnant women leading to maternal and fetal abnormalities. Cannabinoids are the active ingredients of marijuana, which interact with cannabinoid receptors such as CNR1 and CNR2 to activate cellular signaling pathways. Human endometrium and placenta are known to express ...

journal_title：Placenta

authors： Neradugomma NK,Drafton K,O'Day DR,Liao MZ,Han LW,Glass IA,Mao Q

更新日期：2018-06-01 00:00:00

abstract：:Uptake and metabolism of adenosine by human placenta were studied using the single-circulation paired-tracer technique. When isolated cotyledons were perfused through the fetal (basal) circulation at mean pressures of 36 +/- 3.3 mmHg and mean flow rates of 6.6 +/- 0.3 ml/min the maximal [3H]adenosine uptake was 51.3 +...

journal_title：Placenta

authors： Acevedo CG,Rojas S,Ramirez M,Bravo I

更新日期：1995-10-01 00:00:00

abstract：:A rapid method to determine quality for placental proteomic studies is required due to varying lengths of time between delivery and sampling in routine protocols. We developed a rapid 10 min LC-MS based scanning method to profile free peptides liberated from natural proteolytic degradation. The assay was applied to pl...

journal_title：Placenta

authors： Heywood WE,Pryce J,Virasami A,Preece RL,Dezateux C,Mills K,Sebire NJ

更新日期：2016-08-01 00:00:00

abstract：:Maturation of the fetal hypothalamic-pituitary-axis may be an important factor in the stimulation of the onset of parturition. Recent studies have found that corticotrophin-releasing hormone (CRH), the hypothalamic component of this axis is also present in the placenta and the fetal membranes. We review the evidence d...

journal_title：Placenta

authors： Riley SC,Challis JR

更新日期：1991-03-01 00:00:00

abstract：:The keratin cytoskeleton is present in all trophoblast cell subtypes of the mouse and human placenta and is required to maintain the structural integrity of these cells. Recently, various genetic mouse models have shown that a normal keratin network is necessary for placental development. Keratin-deficiency leads to t...

journal_title：Placenta

authors： Watson ED

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND:The aim of this study was to determine whether DNA-associated micro-particles (MPs) in maternal plasma express fetal-derived human leukocyte antigen-G (HLA-G) or placental alkaline phosphatase (PLAP) and whether the levels differ between women with normotensive pregnancies and preeclampsia. METHODS:DNA-asso...

journal_title：Placenta

authors： Orozco AF,Jorgez CJ,Ramos-Perez WD,Popek EJ,Yu X,Kozinetz CA,Bischoff FZ,Lewis DE

更新日期：2009-10-01 00:00:00

abstract：:Neutral endopeptidase 24.11 (NEP) is known to regulate cellular functions by degrading several bioactive peptides, such as gonadotropin-releasing hormone (GnRH). The present study was performed to clarify the mechanisms of NEP expression by GnRH in human choriocarcinoma (BeWo) cells. GnRH increased NEP expression and ...

journal_title：Placenta

authors： Kikkawa F,Shibata K,Suzuki T,Kajiyama H,Ino K,Nomura S,Mizutani S

更新日期：2004-02-01 00:00:00

abstract：:We present a mathematical model for maternal blood flow in a placental circulatory unit (a placentone), describing flow of maternal blood via Darcy's law and steady advective transport of a dissolved nutrient. The method of images and computational integration along streamlines are employed to find flow and solute con...

journal_title：Placenta

authors： Chernyavsky IL,Jensen OE,Leach L

更新日期：2010-01-01 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:Abnormally invasive placenta (AIP) is a rare pregnancy complication often resulting in postpartum haemorrhage (PPH) and emergency peripartum hysterectomy (EPH). The risk of developing post traumatic stress disorder (PTSD) following unexpectedly traumatic childbirth is known however there is no evidence reg...

journal_title：Placenta

authors： Tol ID,Yousif M,Collins SL

更新日期：2019-06-01 00:00:00

abstract：:ED(27) trophoblast-like cells were prepared from human chorionic villus samples obtained at 9 weeks gestation and have been grown continuously in vitro without phenotypic drift for nearly a decade. These cells express many trophoblast markers, including cytokeratin, placental alkaline phosphatase (PLAP), secretion of ...

journal_title：Placenta

authors： Kniss DA,Xie Y,Li Y,Kumar S,Linton EA,Cohen P,Fan-Havard P,Redman CW,Sargent IL

更新日期：2002-01-01 00:00:00

abstract：:Highly purified (>99.99%) primary villous cytotrophoblasts from uncomplicated pregnancies and pregnancies complicated with intrauterine growth restriction (IUGR) alone, IUGR with pre-eclampsia (IUGR-PE) and PE alone were cultured for 5days and the extent of differentiation into syncytiotrophoblasts measured in terms o...

journal_title：Placenta

authors： Newhouse SM,Davidge ST,Winkler-Lowen B,Demianczuk N,Guilbert LJ

更新日期：2007-10-01 00:00:00

abstract：:Intrauterine growth restriction (IUGR) is a serious pregnancy complication affecting approximately 8% of all pregnancies. The aetiology is believed to be insufficient maternal uteroplacental perfusion which prevents adequate nutrient and oxygen availability for the fetus. There is no treatment that can improve uteropl...

journal_title：Placenta

authors： David AL

更新日期：2017-11-01 00:00:00

abstract：:During early pregnancy, intermediate (extravillous) trophoblast infiltrates the basal plate and invades the spiral arteries, a physiological process required to establish the maternal-fetal circulation. Immunostaining studies have shown that differentiation of trophoblast into this invasive subpopulation is associated...

journal_title：Placenta

authors： Shih IeM,Hsu MY,Oldt RJ 3rd,Herlyn M,Gearhart JD,Kurman RJ

更新日期：2002-11-01 00:00:00

abstract：:The effect of a hyposmotic challenge and hence cell-swelling upon the efflux of a variety of solutes from isolated human placental tissue has been examined. A hyposmotic shock increased the fractional release of taurine, the most abundant free amino acid in placental tissue, via a pathway sensitive to niflumic acid, D...

journal_title：Placenta

authors： Shennan DB,McNeillie SA

更新日期：1995-04-01 00:00:00

abstract：INTRODUCTION:Hypotaurine is a precursor of taurine and an antioxidant, and is concentrated in fetal plasma compared to maternal plasma. Hypotaurine is significantly decreased in fetal plasma of ezrin (Vil2) knock-out mice, and fetuses show intrauterine growth retardation. The aim of this study was to characterize the m...

journal_title：Placenta

authors： Nishimura T,Duereh M,Sugita Y,Yoshida Y,Higuchi K,Tomi M,Nakashima E

更新日期：2015-06-01 00:00:00

abstract：:Maternal and fetal cellular relationships in the normal human term placental basal plate were investigated by single and double immunohistochemical labelling techniques. Extravillous fetal trophoblast in the basal plate was uniformly reactive with markers of low-molecular-weight cytokeratins. The predominant maternal ...

journal_title：Placenta

authors： Bulmer JN,Smith J,Morrison L,Wells M

更新日期：1988-05-01 00:00:00