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Placental growth factor

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https://www.readbyqxmd.com/read/29909261/temporal-relationships-of-gh-igf-i-and-fructosamine-concentrations-in-pregnant-spanish-purebred-mares-a-substantial-contribution-from-the-hormonal-standpoint
#1
K Satué, M Marcilla, P Medica, C Cravana, E Fazio
Growth hormone (GH) and insulin-like growth factor (IGF-I) exert essential functions to maintain an adequate metabolic activity for correct placental and fetal development. Although fructosamine (FRUCT) is used in clinical evaluation to assess the glycaemic state, the relationships between GH, IGF-I and FRUCT remain unknown in the mare. Therefore, the objectives of this study were to evaluate the relationships among these parameters in pregnant mares. A total of 30 healthy Spanish Purebred mares, with an age range of 9...
May 30, 2018: Theriogenology
https://www.readbyqxmd.com/read/29909237/glycosylation-as-new-pharmacological-strategies-for-diseases-associated-with-excessive-angiogenesis
#2
REVIEW
Simon Bousseau, Luisa Vergori, Raffaella Soleti, Guy Lenaers, M Carmen Martinez, Ramaroson Andriantsitohaina
Angiogenesis is a complex process describing the growth of new blood vessels from existing vasculature, and is triggered by local pro-angiogenic factors, such as vascular endothelial growth factor (VEGF), which increase the metabolism of endothelial cells (ECs). Angiogenesis takes part in various physiological conditions such as embryogenesis, placental growth, and in pathological conditions such as tumor growth, diabetic retinopathy, rheumatoid arthritis (RA) and ischemic diseases. Current therapies against excessive angiogenesis target vascular growth signaling...
June 14, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29908636/recombinant-human-soluble-thrombomodulin-as-an-anticoagulation-therapy-improves-recurrent-miscarriage-and-fetal-growth-restriction-due-to-placental-insufficiency-the-leading-cause-of-preeclampsia
#3
Takumi Sano, Yoshito Terai, Atsushi Daimon, Misa Nunode, Yoko Nagayasu, Atsuko Okamoto, Daisuke Fujita, Masami Hayashi, Masahide Ohmichi
INTRODUCTION: Placental insufficiency is one of the major risk factors for growth restriction and preeclampsia. The aim of this study is to investigate whether recombinant human Thrombomodulin(r-TM) improves fetal conditions and physiological outcomes. METHODS: We used CBA/J × BALB/C mice as a control and CBA/J × DBA/2 mice - a well-studied model of recurrent spontaneous miscarriage. Pregnant mice received daily subcutaneous injections of r-TM or saline from day 0-15...
May 2018: Placenta
https://www.readbyqxmd.com/read/29902449/timing-of-gestational-exposure-to-zika-virus-is-associated-with-postnatal-growth-restriction-in-a-murine-model
#4
Gregory C Valentine, Maxim D Seferovic, Stephanie W Fowler, Angela M Major, Rodion Gorchakov, Rebecca Berry, Alton G Swennes, Kristy O Murray, Melissa A Suter, Kjersti M Aagaard
BACKGROUND: Vertical transmission of Zika virus (ZIKV) leads to infection of neuroprogenitor cells and destruction of brain parenchyma. Recent evidence suggests that the timing of infection as well as host factors may affect vertical transmission. As a result, congenital ZIKV infection may only become clinically apparent in the postnatal period. OBJECTIVES: We sought to develop an outbred mouse model of ZIKV vertical transmission to determine if the timing of gestational ZIKV exposure yields phenotypic differences at birth and through adolescence...
June 11, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29896812/screening-for-pre-eclampsia-by-maternal-factors-and-biomarkers-at-11-13-weeks-gestation
#5
Min Yi Tan, Argyro Syngelaki, Liona C Poon, Daniel L Rolnik, Neil O'Gorman, Juan Luis Delgado, Ranjit Akolekar, Liountmila Konstantinidou, Maria Tsavdaridou, Slavyana Galeva, Ursula Ajdacka, Francisca S Molina, Nicola Persico, Jacques C Jani, Walter Plasencia, Elena Greco, George Papaioannou, Alan Wright, David Wright, Kypros H Nicolaides
OBJECTIVE: To examine the performance of screening for early-, preterm- and term-preeclampsia (PE) at 11-13 weeks' gestation by maternal factors and combinations of mean arterial pressure (MAP), uterine artery pulsatility index (UtA-PI), serum placental growth factor (PLGF) and serum pregnancy associated plasma protein-A (PAPP-A). METHODS: The data for this study were derived from three previously reported prospective non-intervention screening studies at 11+0 - 13+6 weeks' gestation in a combined total of 61,174 singleton pregnancies, including 1,770 (2...
June 13, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29896778/screening-for-pre-eclampsia-at-35-37-weeks-gestation
#6
Anca Panaitescu, Anca Ciobanu, Argyro Syngelaki, Alan Wright, David Wright, Kypros H Nicolaides
OBJECTIVE: To examine the performance of screening for preeclampsia (PE) at 35-37 weeks' gestation by maternal factors and combinations of mean arterial pressure (MAP), uterine artery pulsatility index (UtA-PI), serum placental growth factor (PLGF) and serum soluble fms-like tyrosine kinase-1 (sFLT). METHODS: This was a prospective observational study in women with singleton pregnancies attending for an ultrasound scan at 35+0 - 36+6 weeks as part of routine pregnancy care...
June 13, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29896240/effects-of-forkhead-box-protein-m1-on-trophoblast-invasion-and-its-role-in-preeclampsia-development
#7
Xuena Cui, Jin'e Xu, Yuzhi Ji, Xiuhong Song, Junhuan Wang, Lijuan Zhang, Shengmei Yang, Yuanhua Ye
The present study aimed to investigate the expression of the forkhead box protein M1 (FOXM1) in the placenta of patients with preeclampsia, and its effect on trophoblasts. A total of 28 patients with preeclampsia and 30 patients without preeclampsia (controls) who underwent cesarean section and were admitted to the Affiliated Hospital of Qingdao University between June 2013 and September 2016 were enrolled in the present study. The expression of FOXM1 in placental tissues was examined by reverse transcription-quantitative polymerase chain reaction, western blotting and immunohistochemistry...
July 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29895998/first-trimester-uterine-artery-pulsatility-index-and-maternal-serum-papp-a-and-plgf-in-prediction-of-preeclampsia-in-primigravida
#8
Mostafa Abdo Ahmed Salem, Islam Mohamed Magdi Ammar
Background: Preeclampsia is a heterogeneous disorder affecting different body systems and frequently associated with morbidity and mortality. Early preeclampsia prediction will reduce this associated morbidity and mortality as it will give the chance for frequent maternal and fetal surveillance and application of prophylactic procedures. Objective: The aim of this work is to evaluate the role of mean pulsatility index (PI) of the uterine arteries and maternal serum concentrations of pregnancy-associated plasma protein A (PAPP-A) and placental growth factor (PlGF) in early preeclampsia prediction in primigravida...
June 2018: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/29886319/analysis-of-hepatocyte-growth-factor-immunostaining-in-the-placenta-of-hiv-infected-normotensive-versus-preeclamptic-pregnant-women
#9
S B Cele, F Odun-Ayo, O A Onyangunga, J Moodley, T Naicker
OBJECTIVE: Hepatocyte Growth Factor (HGF) plays a role in the migration and morphogenesis of different cell types and tissues. Preeclampsia (PE) is associated with deficient trophoblast invasion and placental insufficiency; hence HGF production is expected to be compromised. This study therefore aimed to immunolocalize and morphometrically analyse placental HGF in normotensive versus PE pregnancies stratified by HIV status and gestational age. STUDY DESIGN: Normotensive (N; n = 40) and preeclamptic (PE; n = 80) women were stratified by HIV status (HIV- and HIV+), and gestational age i...
June 1, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29885854/immunohistochemical-determination-of-ang-1-ang-2-and-tie-2-in-placentas-of-sows-at-30-60-and-114-days-of-gestation-and-validation-through-a-bioinformatic-approach
#10
Fiorimanti Mariana Rita, Rabaglino María Belén, Cristofolini Andrea Lorena, Merkis Cecilia Inés
Angiopoietins (Ang-1, Ang-2) participate in vascular development and placental growth, both bind to Tie-2. This study aimed to determine the localization of angiopoietins in placental development of sows by immunohistochemistry and to validate the gene expression during gestation through a bioinformatic approach. Samples were collected from fifteen maternal-fetal interface from approximately 30 (n = 5), 60 (n = 5) and 114 (n = 5) days of gestation for immunohistochemistry. A bioinformatic approach was performed by re-analysis of public datasets to determine the increase or decrease of genes involved in angiogenesis during pregnancy...
June 2, 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29884106/second-trimester-maternal-serum-amniotic-fluid-nitric-oxide-and-vascular-endothelial-growth-factor-levels-in-relation-to-uterine-artery-doppler-indices-in-pregnancies-with-normal-outcome
#11
Emre Zafer, Cigdem Yenisey, Meryem Kurek Eken, Ezgi Ozdemir, Imran Kurt Omurlu, Hasan Yuksel
The aim of the present study was to explore the possible relations of maternal serum and amniotic fluid nitric oxide (NO) and of vascular endothelial growth factor A (VEGF-A) concentrations with uterine artery Doppler indices (UtADs) in a healthy second trimester obstetric population. In this regard, the levels of NO and VEGF-A were measured in maternal sera and the amniotic fluid samples were in 36 subjects who were in their early second trimester of pregnancy. The mean levels for VEGF-A were 110.3 ± 31...
June 8, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29882416/role-of-insulin-like-growth-factor-1-receptor-signaling-in-stem-cell-stemness-and-therapeutic-efficacy
#12
Chiao-Fang Teng, Long-Bin Jeng, Woei-Cherng Shyu
Evidence has emerged that stem cells represent a promising therapeutic tool for tissue engineering and regenerative medicine. Thus, identifying functional markers for selecting stem cells capable of superior self-renewal and pluripotency (or multipotency) and maintaining stem cell identity under appropriate culture conditions are critical for guiding the use of stem cells toward clinical applications. Many investigations have implicated the insulin-like growth factor 1 receptor (IGF1R) signaling in maintenance of stem cell characteristics and enhancement of stem cell therapy efficacy...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29870087/re-addition-of-n-terminal-pro-b-natriuretic-peptide-to-soluble-fms-like-tyrosine-kinase-1-placental-growth-factor-ratio-38-improves-prediction-of-pre-eclampsia-requiring-delivery-within-1-week-a-longitudinal-cohort-study-e-sabri%C3%A3-p-lequerica-fern%C3%A3-ndez-p-lafuente
#13
https://www.readbyqxmd.com/read/29867536/relationship-between-short-term-variability-stv-and-onset-of-cerebral-hemorrhage-at-ischemia-reperfusion-load-in-fetal-growth-restricted-fgr-mice
#14
Takahiro Minato, Takuya Ito, Yoshiyuki Kasahara, Sayaka Ooshio, Tomofumi Fushima, Akiyo Sekimoto, Nobuyuki Takahashi, Nobuo Yaegashi, Yoshitaka Kimura
Fetal growth restriction (FGR) is a risk factor exacerbating a poor neurological prognosis at birth. A disease exacerbating a poor neurological prognosis is cerebral palsy. One of the cause of this disease is cerebral hemorrhage including intraventricular hemorrhage. It is believed to be caused by an inability to autoregulate cerebral blood flow as well as immaturity of cerebral vessels. Therefore, if we can evaluate the function of autonomic nerve, cerebral hemorrhage risk can be predicted beforehand and appropriate delivery management may be possible...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29860275/effects-of-glycol-split-low-molecular-weight-heparin-on-placental-endothelial-and-anti-inflammatory-pathways-relevant-to-preeclampsia
#15
Jovian M Wat, Krista Hawrylyshyn, Dora Baczyk, Iain R Greig, John C Kingdom
Low molecular weight heparin (LMWH) is being investigated as a potential preventative therapy against preeclampsia. There is evidence suggesting that LMWH may prevent preeclampsia through anticoagulation-independent mechanisms. In this study, we compared the in vitro placental, endothelial, and anti-inflammatory effects of a LMWH (dalteparin) with a non-anticoagulant, glycol-split heparin derivative (gsHep). In contrast with dalteparin, gsHep did not interact with antithrombin III, possess significant anti-Factor Xa activity, or significantly prolong in vitro plasma clotting time...
May 30, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29859996/transgenerational-programming-of-nephron-deficits-and-hypertension
#16
REVIEW
Jessica F Briffa, Mary E Wlodek, Karen M Moritz
Exposure to a sub-optimal environment in the womb can result in poor fetal growth and impair the normal development of organs. The kidney, specifically the process of nephrogenesis, has been shown to be impacted by many common pregnancy exposures including an inadequate diet, poor placental function, maternal stress as well as maternal smoking and alcohol consumption. This can result in offspring being born with a reduced nephron endowment, which places these individuals at increased risk of hypertension and chronic kidney disease (CKD)...
May 31, 2018: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29851029/placental-growth-factor-as-an-indicator-of-fetal-growth-restriction-in-late-onset-small-for-gestational-age-pregnancies
#17
Ngaire Anderson, Monique De Laat, Samantha Benton, Peter Dadelszen, Lesley McCowan
BACKGROUND: At-risk small-for-gestational age (SGA) pregnancies in New Zealand are identified using Doppler ultrasound; fetuses with Doppler abnormalities are considered growth restricted (FGR). Low maternal placental growth factor (PlGF) has also been associated with late-onset FGR. AIMS: To investigate whether low PlGF at diagnosis of late-onset SGA identifies the same fetuses classified FGR by detailed Doppler studies, and the association between low PlGF and adverse pregnancy outcomes...
May 31, 2018: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29848205/reduced-foxm1-expression-limits-trophoblast-migration-and-angiogenesis-and-is-associated-with-preeclampsia
#18
Lara J Monteiro, Sofia Cubillos, Marianela Sanchez, Stephanie Acuña-Gallardo, Pía Venegas, Valentina Herrera, Eric W-F Lam, Manuel Varas-Godoy, Sebastián E Illanes
Trophoblast cells are often compared to highly invasive carcinoma cells due to their capacity to proliferate in hypoxic conditions and to exhibit analogous vascular, proliferative, migratory, and invasive capacities. Thus, genes that are important for tumorigenesis, such as forkhead box M1 ( FOXM1) may also be involved in processes of trophoblast invasion. Indeed, we found Foxm1 protein and messenger RNA (mRNA) levels decreased as gestational age increased in rat's placentae. Accordingly, when mimicking early placental events in vitro, protein and mRNA expression of FOXM1 increased from 21% to 8% O2 , reaching its highest expression at 3% oxygen tension, which reflects early implantation environment, and dropping to very low levels at 1% O2 ...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29844445/dexamethasone-induced-intra-uterine-growth-restriction-impacts-nostrin-and-its-downstream-effector-genes-in-the-rat-mesometrial-uterus
#19
Shreeta Chakraborty, Safirul Islam, Sarbani Saha, Rupasri Ain
Intra-Uterine Growth Restriction (IUGR) is a major cause of fetal and neonatal mortality. Understanding the impact of IUGR on utero-placental gene expression is key to developing effective therapy. In this report we elucidated the impact of IUGR on NOSTRIN and its downstream effector gene expression in the utero-placental compartments. We showed here that induction of IUGR by maternal dexamethasone administration in rats led to up-regulation of NOSTRIN transcript and protein in the mesometrial triangle of the uterus (MG) and not in other utero-placental compartments as compared to control...
May 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29812957/effects-of-l-carnitine-on-reproductive-performance-milk-composition-placental-development-and-igf-concentrations-in-blood-plasma-and-placental-chorions-in-sows
#20
Shihai Zhang, Min Tian, Hanqing Song, Kui Shi, Yijiang Wang, Wutai Guan
Recent studies have shown that L-carnitine supplementation of sows during pregnancy and lactation enhances their reproductive performance, but the underlying mechanisms are still needed to be further confirmed. This study was conducted to investigate the function of L-carnitine on placental development, milk nutrient content and release of hormones in sows. In this experiment, 40 multiparous crossbred sows (Yorkshire × Landrace) were allotted to two groups fed diets with or without a supplemental 50 mg/kg L-carnitine...
May 29, 2018: Archives of Animal Nutrition
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