Three-dimensional arrangement of the capillary bed and its relationship to microrheology in the terminal villi of normal term placenta.

abstract：:Chemokines are small polypeptides that attract specific leukocyte subsets by binding to cell-surface receptors. In reproductive biology, they have been implicated in ovulation, menstruation, and embryo implantation, and pathological processes such as preterm delivery, HIV infection, and endometriosis. It is known that...

journal_title：Placenta

authors： Dominguez F,Pellicer A,Simon C

更新日期：2003-10-01 00:00:00

abstract：OBJECTIVE:To estimate the utility of first-trimester 3D-placental volume and vascular flow indices in the prediction of adverse pregnancy outcomes. METHODS:A prospective cohort study including women with singleton pregnancies seen between 11 and 14 weeks as part of a screening program for aneuploidy. Placental volume ...

journal_title：Placenta

authors： Odibo AO,Goetzinger KR,Huster KM,Christiansen JK,Odibo L,Tuuli MG

更新日期：2011-03-01 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 investigated the localization of the three subtypes of (Fc gamma R) in the normal human placenta using immunohistochemical and immunocytochemical techniques with specific monoclonal antibodies. The analysis revealed that Fc gamma RI was expressed on Hofbauer cells, that Fc gamma RII was expressed on Hofbauer cells ...

journal_title：Placenta

authors： Kameda T,Koyama M,Matsuzaki N,Taniguchi T,Saji F,Tanizawa O

更新日期：1991-01-01 00:00:00

abstract：INTRODUCTION:Maternal risk factors associated with placenta previa are well documented in the literature. However, there are limited studies identifying maternal characteristics associated with the persistence of placenta previa. The objective of the study was to determine maternal characteristics associated with the p...

journal_title：Placenta

authors： King LJ,Dhanya Mackeen A,Nordberg C,Paglia MJ

更新日期：2020-09-15 00:00:00

abstract：:The placenta is composed of the amnion, chorionic plate, villous and smooth chorion, decidua basalis, and umbilical cord. The amnion is a readily obtainable source of a large number of cells and cell types, including epithelium, mesenchyme, and endothelium, and is thus an allogeneic resource for regenerative medicine....

journal_title：Placenta

authors： Umezawa A,Hasegawa A,Inoue M,Tanuma-Takahashi A,Kajiwara K,Makino H,Chikazawa E,Okamoto A

更新日期：2019-09-01 00:00:00

abstract：:Interactions between the highly invasive trophoblasts and the maternal uterine decidual extracellular matrix (ECM) are crucial in the determination of a successful pregnancy. Fibulin-5 (FBLN5) is a member of the fibulin family that alters cell adhesive and invasive properties and is expressed in human villous cytotrop...

journal_title：Placenta

authors： Winship A,Cuman C,Rainczuk K,Dimitriadis E

更新日期：2015-12-01 00:00:00

abstract：:Placentae from normal term pregnancies, from "normal" preterm pregnancies and from pregnancies complicated by pre-eclampsia have been analysed by computerized histometry. An immunoperoxidase technique was used to stain specifically human placental lactogen in the syncytiotrophoblast. The percentage and mass of syncyti...

journal_title：Placenta

authors： Boyd PA,Brown RA,Coghill GR,Slidders W,Stewart WJ

更新日期：1983-07-01 00:00:00

abstract：OBJECTIVES:The epithelium of the human placenta comprises an inner cytotrophoblast (CT) which proliferates and fuses with the outer differentiated syncytiotrophoblast (ST). Turnover has been studied focussing on second and third trimester placentas but with a paucity of data describing the normal first trimester tropho...

journal_title：Placenta

authors： Bose P,Kadyrov M,Goldin R,Hahn S,Backos M,Regan L,Huppertz B

更新日期：2006-08-01 00:00:00

abstract：:When cultured in keratinocyte growth medium, mononuclear cytotrophoblast cells aggregate into multicellular colonies which then fuse to form multinucleated syncytiotrophoblast. In an attempt to characterize better the mechanism of human trophoblast differentiation and to obtain information about the role of the cytosk...

journal_title：Placenta

authors： Douglas GC,King BF

更新日期：1993-03-01 00:00:00

abstract：:Long-chain polyunsaturated fatty acids (LCPUFAs) such as docosahexaenoic acid (DHA) and arachidonic acid (AA) are essential for proper development of fetal brain and retina. These LCPUFAs are selectively enriched in the fetal circulation compared with the maternal circulation. In the current study we investigated the ...

journal_title：Placenta

authors： Tobin KA,Johnsen GM,Staff AC,Duttaroy AK

更新日期：2009-01-01 00:00:00

abstract：INTRODUCTION:The placenta is a transient organ the functioning of which has health consequences far beyond the embryo/fetus. Understanding the biology of any system (organ, organism, single cell, etc) requires a comprehensive and inclusive approach which embraces all the biomedical disciplines and 'omic' technologies a...

journal_title：Placenta

authors： Mayhew TM

更新日期：2015-04-01 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：: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：:The implantation of the blastocyst and early development of the placenta are crucial for the success of implantation and pregnancy. However, the formative stages of human placental development are largely unknown because of their existence in a 'black box' where access to samples is extremely limited for ethical reaso...

journal_title：Placenta

authors： James JL,Carter AM,Chamley LW

更新日期：2012-05-01 00:00:00

abstract：:The syncytiotrophoblast (ST) cell layer of the human villous placenta expresses nitric oxide (NO) synthase. Because NO is a potent relaxant of vascular smooth muscle and inhibitor of platelet activity, we postulated that exaggerated intervillous aggregation of platelets and reduced fetoplacental blood flow in pre-ecla...

journal_title：Placenta

authors： Conrad KP,Davis AK

更新日期：1995-12-01 00:00:00

abstract：INTRODUCTION:Gestational diabetes mellitus (GDM) is an increasing harm in pregnancy. Inflammatory processes in the placenta seem to have an influence on pathogenesis besides known factors like maternal BMI. Galectin-13 (gal-13) is an immunoregulatory protein, which is suspected to play a role in development of GDM in t...

journal_title：Placenta

authors： Unverdorben L,Hüttenbrenner R,Knabl J,Jeschke U,Hutter S

更新日期：2015-02-01 00:00:00

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：:The aim of the present study was to evaluate the relationship between the retention of fetal membranes (RFM) and apoptosis of the cells in fetal membranes. The present study investigated mRNA and protein expressions of apoptosis-regulating factors: FAS, cellular FLICE-like inhibiting protein (cFLIP), BAX, BCL2, caspas...

journal_title：Placenta

authors： Kamemori Y,Wakamiya K,Nishimura R,Hosaka Y,Ohtani S,Okuda K

更新日期：2011-01-01 00:00:00

abstract：:Sections of human term placentae delivered at low and high altitude to indigenous and non-indigenous populations in Bolivia were analysed by stereological methods. Estimates were obtained of the arithmetic and harmonic mean thicknesses of villous membrane and of trophoblast. These values were then used to derive indic...

journal_title：Placenta

authors： Jackson MR,Mayhew TM,Haas JD

更新日期：1988-01-01 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：OBJECTIVES:To compare the distribution of placental protein 13 (PP13) in fetal and maternal blood and amnionic fluid and to correlate it with PP13 protein and mRNA in the placenta. METHODS:Umbilical arterial serum, amnionic fluid, maternal venous serum and placental tissues were collected from normal outcome pregnanci...

journal_title：Placenta

authors： Sammar M,Nisemblat S,Fleischfarb Z,Golan A,Sadan O,Meiri H,Huppertz B,Gonen R

更新日期：2011-02-01 00:00:00

abstract：OBJECTIVE:To evaluate pregnancy outcome and ultrasound diagnosis in patients with histologically-confirmed placental chorioangioma. STUDY DESIGN:Placentas with histological diagnosis of chorioangioma were identified and medical charts were reviewed for findings of ultrasound examinations. Pregnancy outcomes were compa...

journal_title：Placenta

authors： Wou K,Chen MF,Mallozzi A,Brown RN,Shrim A

更新日期：2011-09-01 00:00:00

abstract：INTRODUCTION:Preeclampsia is characterized by maternal endothelial dysfunction. While the mechanisms leading to preeclampsia are unclear, a factor(s) from the placenta is responsible for triggering the disease. One placental factor implicated in triggering preeclampsia is trophoblast debris which may transmit pathogeni...

journal_title：Placenta

authors： Shen F,Wei J,Snowise S,DeSousa J,Stone P,Viall C,Chen Q,Chamley L

更新日期：2014-10-01 00:00:00

abstract：:Cytophotometric measurement of the DNA content of Feulgen-stained nuclei in touch preparations of bovine placentomes (n =5) revealed that 8C nuclei occurred in all, 16C nuclei in two, and 32C nuclei in one specimen. The determination of ploidy level by in situ hybridization with a Y-chromosome specific DNA probe showe...

journal_title：Placenta

authors： Klisch K,Hecht W,Pfarrer C,Schuler G,Hoffmann B,Leiser R

更新日期：1999-07-01 00:00:00

abstract：:Telomeres are nucleoprotein structures located at the termini of chromosomes. They are essential for chromosome stability. Telomeres become shorter due to mitotic cycles and environmental factors. When telomeres are shortened and therefore dysfunctional, cellular senescence occurs and organ dysfunction might develop. ...

journal_title：Placenta

authors： Biron-Shental T,Sadeh-Mestechkin D,Amiel A

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND:Chronic maternal asthma is associated with reduced growth of the female fetus and normal growth of the male fetus. The mechanisms that control the differential effects of maternal asthma on the fetus have not been fully elucidated but alterations in placental function may play a role. In the current study we...

journal_title：Placenta

authors： Osei-Kumah A,Smith R,Jurisica I,Caniggia I,Clifton VL

更新日期：2011-08-01 00:00:00

abstract：:The possible roles of cyclic AMP and protein kinase C in the release of renin from human decidual cells were investigated by examining renin release from monolayers of decidual cells exposed for 72 h to agents that increase intracellular cAMP or activate protein kinase C. Dibutyryl cAMP (10-1000 microM caused a dose-d...

journal_title：Placenta

authors： Poisner AM,Thrailkill K,Poisner R,Handwerger S

更新日期：1991-05-01 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：OBJECTIVES:Histiotrophe is now recognized as being an important feature of early human pregnancy, providing nutrients and growth factors to the developing embryo. Our aim was to examine the glycan composition of histiotrophe from first trimester decidua and to compare it with secretions present in endometrial glands fr...

journal_title：Placenta

authors： Jones CJ,Aplin JD,Burton GJ

更新日期：2010-07-01 00:00:00