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https://www.readbyqxmd.com/read/29562782/immunological-and-differentiation-properties-of-amniotic-cells-are-retained-after-immobilization-in-pectin-gel
#1
Antonietta R Silini, Valentina Spoldi, Silvia De Munari, Elsa Vertua, Fabiola Munarin, Paola Petrini, Silvia Farè, Ornella Parolini
Mesenchymal stromal cells from the human amniotic membrane (i.e., human amniotic mesenchymal stromal cells [hAMSCs]) of term placenta are increasingly attracting attention for their applications in regenerative medicine. Osteochondral defects represent a major clinical problem with lifelong chronic pain and compromised quality of life. Great promise for osteochondral regeneration is held in hydrogel-based constructs that have a flexible composition and mimic the physiological structure of cartilage. Cell loading within a hydrogel represents an advantage for regenerative purposes, but the encapsulation steps can modify cell properties...
January 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29550133/short-communication-model-for-metritis-severity-predicts-that-disease-misclassification-underestimates-projected-milk-production-losses
#2
M M McCarthy, M W Overton
The objective of this research was to determine the effect of disease misclassification on the estimated effect of metritis on milk production. Misclassification introduces bias that usually results in an underestimation of the association between exposure (disease) and the outcome of interest (milk production). This distorted measure of association results from the comparison of an affected population (some of which may not truly be affected) to a nonaffected population (which often includes affected subjects that are unidentified)...
March 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29525517/retained-products-of-conception-what-is-the-risk-for-recurrence-on-subsequent-pregnancies
#3
Noam Smorgick, Avital Mittler, Ido Ben-Ami, Ron Maymon, Zvi Vaknin, Moty Pansky
OBJECTIVE: To investigate whether women who were surgically treated for retained products of conception (RPOC) by either suction curettage or hysteroscopy are at risk for recurrent RPOC on their subsequent pregnancies. STUDY DESIGN: Retrospective analysis of 442 women surgically treated for RPOC following delivery or abortion by suction curettage (N = 63, 14.3%) or hysteroscopy (N = 379, 85.7%). Information on subsequent pregnancies and their outcomes was available for 161 (36...
March 5, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29518709/metabolic-predictors-of-peri-partum-diseases-and-their-association-with-parity-in-dairy-cows
#4
Gretel Ruprechter, Maria de Lourdes Adrien, Alejandro Larriestra, Otavio Meotti, Chester Batista, Ana Meikle, Mirela Noro
The predictive values of plasma non-esterified fatty acid (NEFA), beta-hydroxybutyrate (BHB), cholesterol, albumin and calcium to predict risk of peripartum diseases in primiparous (PP) and multiparous (MP) Holstein cows was investigated. Besides it was assessed if the health status interacted with parity on body condition score and metabolic profiles during the transition period. Dairy cows (126 PP and 182 MP) from a commercial dairy free stall herd (loose-housing system) were weekly body condition scored and tail bled for metabolites determination from -3 to +4 weeks relative to calving...
February 19, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29510809/aetiology-and-treatment-of-severe-postpartum-haemorrhage
#5
Hellen McKinnon Edwards
This thesis is comprised of three studies focusing on severe postpartum haemorrhage (PPH). PPH is a major cause of maternal morbidity and mortality worldwide. Risk factors include retained placenta, prolonged duration of the third stage of labour, previous caesarean section, and operative vaginal delivery. Occurrence and development of PPH are, however, unpredictable and can sometimes give rise to massive haemorrhage or even hysterectomy and maternal death. Severe haemorrhage can lead to coagulopathy causing further haemorrhage and requiring substitution with blood transfusions...
March 2018: Danish Medical Journal
https://www.readbyqxmd.com/read/29485679/development-of-the-teamobs-pph-targeting-clinical-performance-in-postpartum-hemorrhage
#6
Lise Brogaard, Lone Hvidman, Kim Hinshaw, Ole Kierkegaard, Tanja Manser, Peter Musaeus, Julie Arafeh, Kay I Daniels, Amy E Judy, Niels Uldbjerg
INTRODUCTION: This study aimed to develop a valid and reliable TeamOBS-PPH tool for assessing clinical performance in the management of postpartum hemorrhage (PPH). The tool was evaluated using video-recordings of teams managing PPH in both real-life and simulated settings. MATERIAL AND METHODS: A Delphi panel consisting of 12 obstetricians from the UK, Norway, Sweden, Iceland, and Denmark achieved consensus on a) the elements to include in the assessment tool, b) the weighting of each element, and c) the final tool...
February 27, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29454686/differential-effects-of-a-single-dose-of-oral-calcium-based-on-postpartum-plasma-calcium-concentration-in-holstein-cows
#7
B M Leno, R C Neves, I M Louge, M D Curler, M J Thomas, T R Overton, J A A McArt
Our objectives were to determine (1) the effect of a single dose of an oral Ca bolus within 24 h after parturition on plasma Ca concentration, (2) the response of primiparous (PP) and multiparous (MP) cows to this supplementation strategy, and (3) differential responses based on plasma Ca at enrollment. For objective 1, cows from 1 commercial dairy in New York State were enrolled within 19 h after parturition (mean ± standard deviation = 8.3 ± 5.3 h) and randomized within parity group (first, second, and ≥third) to control [CON (n = 25); no placebo] or a single dose bolus treatment [BOL (n = 25); 3 oral Ca boluses supplying 54 to 64 g of Ca]...
February 14, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29425317/human-cervical-mucus-plugs-exhibit-insufficiencies-in-antimicrobial-activity-towards-group-b-streptococcus
#8
Jay Vornhagen, Phoenicia Quach, Verónica Santana-Ufret, Varchita Alishetti, Alyssa Brokaw, Blair Armistead, Hai Qing Tang, James W MacDonald, Theodor K Bammler, Kristina M Adams Waldorf, Niels Uldbjerg, Lakshmi Rajagopal
Preterm birth is a leading cause of neonatal mortality and lacks an effective therapy. Ascending microbial infections from the lower genital tract lead to infection of the placenta, amniotic fluid and fetus causing preterm birth or stillbirth. Directly in the path of an ascending infection is the cervical mucus plug (CMP), a dense mucoid structure in the cervical canal with potential antimicrobial properties. In this study, we aimed to define the components of CMP responsible for antimicrobial activity against a common lower genital tract organism associated with preterm birth and stillbirths, namely Group B Streptococcus (GBS)...
February 7, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29402304/comprehensive-characterization-of-chorionic-villi-derived-mesenchymal-stromal-cells-from-human-placenta
#9
Mónica S Ventura Ferreira, Michaela Bienert, Katrin Müller, Björn Rath, Tamme Goecke, Christian Opländer, Till Braunschweig, Petra Mela, Tim H Brümmendorf, Fabian Beier, Sabine Neuss
BACKGROUND: Studies in which mesenchymal stromal cells (MSC) from the placenta are compared with multiple MSC types from other sources are rare. The chorionic plate of the human placenta is mainly composed of fetal blood vessels embedded in fetal stroma tissue, lined by trophoblastic cells and organized into chorionic villi (CV) structures. METHODS: We comprehensively characterized human MSC collected from postnatal human chorionic villi of placenta (CV-MSC) by analyzing their growth and proliferation potential, differentiation, immunophenotype, extracellular matrix production, telomere length, aging phenotype, and plasticity...
February 5, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29397174/short-communication-test-of-the-relationship-between-prepartum-milk-leakage-and-blood-calcium-concentration-in-holstein-cows-an-observational-study
#10
Ehsan Mahjoubi, Davood Zahmatkesh, Mehdi Hossein-Yazdi, Mohammad Hadi Khabbazan, Mohammad Reza Samadian
Prepartum milk leakage happens in some pregnant dairy cows close to calving. It has been hypothesized that low blood Ca is a cause of this event. To investigate the possible reason(s) of milk leakage, 137 multiparous pregnant Holstein cows were enrolled in the experiment and categorized by the presence (72 heads; leak group) or lack (65 heads; control group) of milk leakage before calving. The concentrations of Ca and P and the length of the teat were measured for all cows. Data showed that Ca concentration was not different between cows in the leak group (7...
January 31, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29367080/human-igg-lacking-effector-functions-demonstrate-lower-fcrn-binding-and-reduced-transplacental-transport
#11
Nigel M Stapleton, Sylvia S Armstrong-Fisher, Jan Terje Andersen, C Ellen van der Schoot, Charlene Porter, Kenneth R Page, Donald Falconer, Masja de Haas, Lorna M Williamson, Michael R Clark, Gestur Vidarsson, Kathryn L Armour
We have previously generated human IgG1 antibodies that were engineered for reduced binding to the classical Fcγ receptors (FcγRI-III) and C1q, thereby eliminating their destructive effector functions (constant region G1Δnab). In their potential use as blocking agents, favorable binding to the neonatal Fc receptor (FcRn) is important to preserve the long half-life typical of IgG. An ability to cross the placenta, which is also mediated, at least in part, by FcRn is desirable in some indications, such as feto-maternal alloimmune disorders...
March 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29353142/mirna-185-regulates-the-vegfa-signaling-pathway-in-dairy-cows-with-retained-fetal-membranes
#12
REVIEW
C Y Zheng, X Zou, H J Lin, B C Zhao, M L Zhang, C H Luo, S X Fu
Retention of fetal membranes (RFM) of cows is an important reproductive disturbance, and is related to miRNAs. Vascular endothelial growth factor (VEGF)A, regulated by miRNA-185, can activate arachidonic acid (ARA) release via the VEGFA signaling pathway, which influences RFM. The aim of this study was to explore the pathogenic mechanism of RFM by investigating the regulatory relationship between miRNA-185 and the VEGFA signaling pathway. Serum samples of healthy Holstein dairy cows (n = 20) and RFM cows (n = 12), with a similar age, parity, weight, and milk yield, were collected to detect VEGFA and ARA concentrations at 6, 12, and 24 h after calving...
April 1, 2018: Theriogenology
https://www.readbyqxmd.com/read/29320553/undiagnosed-abnormal-postpartum-blood-loss-incidence-and-risk-factors
#13
RANDOMIZED CONTROLLED TRIAL
Aude Girault, Catherine Deneux-Tharaux, Loic Sentilhes, Françoise Maillard, François Goffinet
BACKGROUND: We aimed to evaluate the incidence of undiagnosed abnormal postpartum blood loss (UPPBL) after vaginal delivery, identify the risk factors and compare them to those of postpartum haemorrhage (PPH). METHOD: The study population included women who participated in a randomized controlled trial of women with singleton low-risk pregnancy who delivered vaginally after 35 weeks' gestation (n = 3917). Clinical PPH was defined as postpartum blood loss ≥ 500 mL measured by using a collector bag and UPPBL was defined by a peripartum change in haemoglobin ≥ 2 g/dL in the absence of clinical PPH...
2018: PloS One
https://www.readbyqxmd.com/read/29316351/gestational-triphenyl-phosphate-exposure-in-c57bl-6-mice-perturbs-expression-of-insulin-like-growth-factor-signaling-genes-in-maternal-and-fetal-liver
#14
Nicola A Philbrook, Victoria E Restivo, Christine L Belanger, Louise M Winn
Triphenyl phosphate (TPhP) is an organophosphorus flame retardant and plasticizer that has been added to numerous consumer products in recent years. TPhP is not overtly toxic, however recent studies have suggested that it may have metabolic disrupting effects following developmental exposure. The present study aimed to investigate the developmental and potential metabolic effects of TPhP in a murine model. C57Bl/6 dams were exposed on gestational days (GD) 8, 10, 12, and 14 to 0, 5, 25, or 50 mg/kg TPhP via intraperitoneal injection...
April 3, 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29274983/effects-of-prepartum-dietary-cation-anion-difference-and-source-of-vitamin-d-in-dairy-cows-health-and-reproductive-responses
#15
N Martinez, R M Rodney, E Block, L L Hernandez, C D Nelson, I J Lean, J E P Santos
The objectives of the experiment were to evaluate the effects of feeding diets with distinct dietary cation-anion difference (DCAD) levels and supplemented with 2 sources of vitamin D during the prepartum transition period on postpartum health and reproduction in dairy cows. The hypotheses were that feeding acidogenic diets prepartum would reduce the risk of hypocalcemia and other diseases, and the benefits of a negative DCAD treatment on health would be potentiated by supplementing calcidiol compared with cholecalciferol...
March 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29273378/safety-and-efficacy-of-preoperative-abdominal-aortic-balloon-occlusion-in-placenta-increta-and-or-percreta
#16
Wenjuan Sun, Shuhong Duan, Gang Xin, Juan Xiao, Fanzhen Hong, Haijie Hong, Yuange Wu, Yongping Xu
BACKGROUND: With the increase of cesarean deliveries globally, the incidence of placenta adhesive disorder has been on the rise greatly which is associated closely with maternal and infant morbidity and mortality. We sought to investigate the safety and efficacy of preoperative transfemoral balloon occlusion of abdominal aorta in cesarean section of women with placenta increta or percreta. METHODS: We conducted a retrospective study of 31 patients with placenta increta or percreta diagnosed by ultrasound and/or magnetic resonance imaging...
February 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29211918/decellularized-human-placenta-supports-hepatic-tissue-and-allows-rescue-in-acute-liver-failure
#17
Zurab Kakabadze, Anne Kakabadze, David Chakhunashvili, Lika Karalashvili, Ekaterine Berishvili, Yogeshwar Sharma, Sanjeev Gupta
Tissue engineering with scaffolds to form transplantable organs is of wide interest. Decellularized tissues have been tested for this purpose, although supplies of healthy donor tissues, vascular recellularization for perfusion and tissue homeostasis in engineered organs pose challenges. We hypothesized decellularized human placenta will be suitable for tissue engineering. The universal availability and unique structures of placenta for accommodating tissue, including presence of embedded vessels, were major attractions...
December 6, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29197351/maternal-characteristics-and-birth-outcomes-resulting-from-births-before-arrival-at-health-facilities-in-nkangala-district-south-africa-a-case-control-study
#18
Sikhulile Khupakonke, Andy Beke, Donald H A Amoko
BACKGROUND: Risks of severe, avoidable maternal and neonatal complications at birth are increased if the birth occurs before arrival at the health facility and in the absence of skilled birth attendants. Birth Before Arrival (BBA) is a preventable phenomenon still common in modern-day practice despite extensive improvements made in obstetric care and in accessibility to healthcare in South Africa. This study aimed to determine the risk factors and outcomes in mothers and babies associated with being born before arrival at hospitals...
December 2, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29196998/isolation-and-characterization-of-extracellular-vesicles-from-ex-vivo-cultured-human-placental-explants
#19
Mancy Tong, Lawrence W Chamley
Ex vivo culture of human placental explants has long allowed placentologists to study the milieu of soluble factors secreted by the human placenta throughout gestation while retaining the correct three-dimensional structure of the placental villi. Here, we detail the placental explant culture method employed in our laboratory to collect extracellular vesicles which are known to be released by the human placenta throughout pregnancy from 6 weeks of gestation. Using this method, at least three different populations of placental extracellular vesicles can be simultaneously collected from each placental sample, allowing for comparative analysis of the cargos and downstream effects of the different types of extracellular vesicles produced by the human placenta...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29178045/considering-choline-as-methionine-precursor-lipoproteins-transporter-hepatic-promoter-and-antioxidant-agent-in-dairy-cows
#20
REVIEW
Imtiaz Hussain Raja Abbasi, Farzana Abbasi, Rab N Soomro, Mohamed E Abd El-Hack, Mervat A Abdel-Latif, Wen Li, Ren Hao, Feifei Sun, Bello M Bodinga, Khawar Hayat, Junhu Yao, Yangchun Cao
During the transition period, fatty liver syndrome may be caused in cows undergo negative energy balance, ketosis or hypocalcemia, retained placenta or mastitis problems. During the transition stage, movement of non-esterified fatty acids (NEFA) increases into blood which declines the hepatic metabolism or reproduction and consequently, lactation performance of dairy cows deteriorates. Most of studies documented that, choline is an essential nutrient which plays a key role to decrease fatty liver, NEFA proportion, improve synthesis of phosphatidylcholine, maintain lactation or physiological function and work as anti-oxidant in the transition period of dairy cows...
November 25, 2017: AMB Express
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