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https://www.readbyqxmd.com/read/28346529/human-amnion-epithelial-cells-modulate-the-inflammatory-response-to-ventilation-in-preterm-lambs
#1
Jacqueline M Melville, Courtney A McDonald, Robert J Bischof, Graeme R Polglase, Rebecca Lim, Euan M Wallace, Graham Jenkin, Timothy J Moss
Ventilation of preterm neonates causes pulmonary inflammation that can contribute to lung injury, propagate systemically and result in long-term disease. Modulation of this initial response may reduce lung injury and its sequelae. We aimed to determine the effect of human amnion epithelial cells (hAECs) on immune activation and lung injury in preterm neonatal lambs. Preterm lambs received intratracheal hAECs (90x106) or vehicle, prior to 2 h of mechanical ventilation. Within 5 min of ventilation onset, lambs also received intravenous hAECs (90x106) or vehicle...
2017: PloS One
https://www.readbyqxmd.com/read/28346524/rare-mutations-and-potentially-damaging-missense-variants-in-genes-encoding-fibrillar-collagens-and-proteins-involved-in-their-production-are-candidates-for-risk-for-preterm-premature-rupture-of-membranes
#2
Bhavi P Modi, Maria E Teves, Laurel N Pearson, Hardik I Parikh, Piya Chaemsaithong, Nihar U Sheth, Timothy P York, Roberto Romero, Jerome F Strauss
Preterm premature rupture of membranes (PPROM) is the leading identifiable cause of preterm birth with ~ 40% of preterm births being associated with PPROM and occurs in 1% - 2% of all pregnancies. We hypothesized that multiple rare variants in fetal genes involved in extracellular matrix synthesis would associate with PPROM, based on the assumption that impaired elaboration of matrix proteins would reduce fetal membrane tensile strength, predisposing to unscheduled rupture. We performed whole exome sequencing (WES) on neonatal DNA derived from pregnancies complicated by PPROM (49 cases) and healthy term deliveries (20 controls) to identify candidate mutations/variants...
2017: PloS One
https://www.readbyqxmd.com/read/28343600/comparison-of-late-mortality-among-twins-versus-singletons-with-congenital-heart-defects
#3
Anne Maria Herskind, Lisbeth Aagaard Larsen, Dorthe Almind Pedersen, Kaare Christensen
In 2014, in the United States, nearly 7% of newborns were twins. Congenital heart defects (CHDs) are more frequent in both monozygotic and dizygotic twins than in singletons. Still, the longer-term prognosis for CHD twins is unknown. Here we assess the mortality pattern for CHD twins up to age 36 years and compare it with that for non-CHD twins, non-CHD co-twins, and CHD singletons. We identified all twins and a 5% random sample of all singletons born in Denmark from 1977 to 2009 by linking Danish national population and health registers...
March 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28342715/prediction-of-neonatal-respiratory-morbidity-by-quantitative-ultrasound-lung-texture-analysis-a-multicenter-study
#4
Montse Palacio, Elisenda Bonet-Carne, Teresa Cobo, Alvaro Perez-Moreno, Joan Sabrià, Jute Richter, Marian Kacerovsky, Bo Jacobsson, Raúl A García-Posada, Fernando Bugatto, Ramon Santisteve, Àngels Vives, Mauro Parra-Cordero, Edgar Hernandez-Andrade, José Luis Bartha, Pilar Carretero-Lucena, Kai Lit Tan, Rogelio Cruz-Martínez, Minke Burke, Suseela Vavilala, Igor Iruretagoyena, Juan Luis Delgado, Mauro Schenone, Josep Vilanova, Francesc Botet, George Sh Yeo, Jon Hyett, Jan Deprest, Roberto Romero, Eduard Gratacos
BACKGROUND: Prediction of neonatal respiratory morbidity may be useful to plan delivery in complicated pregnancies. The limited predictive performance of the current diagnostic tests together with the risks of an invasive procedure, limit the use of fetal lung maturity assessment. OBJECTIVE: To evaluate the performance of quantitative ultrasound texture analysis (quantusFLM®) to predict neonatal respiratory morbidity in preterm and early-term (<39.0 weeks) deliveries ...
March 22, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28337875/the-pig-as-a-model-for-premature-infants-the-importance-of-immunoglobulin-supplementation-for-growth-and-development
#5
A Socha-Banasiak, S Pierzynowski, J Woliński, D Grujic, M Boryczka, P Grzesiak, P Szczurek, E Czkwianianc, B Westrom, K Goncharova
Preterm human neonates, contrary to preterm piglets, obtain immunoglobulins from their mothers via the placenta during intrauterine development. However, one should note that the majority of trans-placental transfer of immunoglobulins in humans takes place during the last trimester of pregnancy. It is also known that the feeding of limited amounts of colostrum or systemic infusion of small amounts of serum improves the survival of preterm and full-term piglets. Full-term piglets deprived of their mother’s immunoglobulins exhibit strong apathy and develop watery diarrhoea, often resulting in death...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28335649/plasma-growth-arrest-specific-6-levels-in-term-and-preterm-newborns
#6
E Eksi Alp, N Altinkaya, Z Cagman, F Uras
OBJECTIVE: Growth Arrest-Specific 6 (GAS6) is a vitamin K-dependent protein. Despite a similar structure to Protein S, it has no anticoagulant activity. An association between GAS6 and some diseases for adults has been reported. In the absence of prospective clinical studies of GAS6 in neonates, so far, the objective of this study is to obtain, for the first time, plasma GAS6 levels before and after vitamin K1 prophylaxis in full-term and pre-term newborns. METHODS: 80 newborn (40 term and 40 preterm) were recruited for this study...
March 23, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28330503/caffeine-modulates-glucocorticoid-induced-expression-of-ctgf-in-lung-epithelial-cells-and-fibroblasts
#7
Markus Fehrholz, Kirsten Glaser, Christian P Speer, Silvia Seidenspinner, Barbara Ottensmeier, Steffen Kunzmann
BACKGROUND: Although caffeine and glucocorticoids are frequently used to treat chronic lung disease in preterm neonates, potential interactions are largely unknown. While anti-inflammatory effects of glucocorticoids are well defined, their impact on airway remodeling is less characterized. Caffeine has been ascribed to positive effects on airway inflammation as well as remodeling. Connective tissue growth factor (CTGF, CCN2) plays a key role in airway remodeling and has been implicated in the pathogenesis of chronic lung diseases such as bronchopulmonary dysplasia (BPD) in preterm infants...
March 23, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28329335/pertussis-antibody-transfer-to-preterm-neonates-after-second-versus-third-trimester-maternal-immunization
#8
Christiane S Eberhardt, Geraldine Blanchard-Rohner, Barbara Lemaître, Christophe Combescure, Véronique Othenin-Girard, Antonina Chilin, Jean Petre, Begoña Martinez de Tejada, Claire-Anne Siegrist
Preterm infants are most vulnerable to pertussis. Whether they might benefit from maternal immunization is unknown. Extending our previous results in term neonates, this observational study demonstrates that second- rather than third-trimester maternal vaccination results in higher birth anti-pertussis toxin titers in preterm neonates.
March 14, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28326198/could-perinatal-asphyxia-induce-a-synaptopathy-new-highlights-from-an-experimental-model
#9
REVIEW
María Inés Herrera, Matilde Otero-Losada, Lucas Daniel Udovin, Carlos Kusnier, Rodolfo Kölliker-Frers, Wanderley de Souza, Francisco Capani
Birth asphyxia also termed perinatal asphyxia is an obstetric complication that strongly affects brain structure and function. Central nervous system is highly susceptible to oxidative damage caused by perinatal asphyxia while activation and maturity of the proper pathways are relevant to avoiding abnormal neural development. Perinatal asphyxia is associated with high morbimortality in term and preterm neonates. Although several studies have demonstrated a variety of biochemical and molecular pathways involved in perinatal asphyxia physiopathology, little is known about the synaptic alterations induced by perinatal asphyxia...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28326082/neonatal-group-b-streptococcal-disease-in-otherwise-healthy-infants-failure-of-specific-neonatal-immune-responses
#10
Alessandro Borghesi, Mauro Stronati, Jacques Fellay
Only a small proportion of newborn infants exposed to a pathogenic microorganism develop overt infection. Susceptibility to infection in preterm infants and infants with known comorbidities has a likely multifactorial origin and can be often attributed to the concurrence of iatrogenic factors, environmental determinants, underlying pathogenic processes, and probably genetic predisposition. Conversely, infection occurring in otherwise healthy full-term newborn infants is unexplained in most cases. Microbial virulence factors and the unique characteristics of the neonatal immune system only partially account for the interindividual variability in the neonatal immune responses to pathogens...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28324904/quantifying-neonatal-sucking-performance-promise-of-new-methods
#11
Gilson J Capilouto, Tommy J Cunningham, David R Mullineaux, Eleonora Tamilia, Christos Papadelis, Peter J Giannone
Neonatal feeding has been traditionally understudied so guidelines and evidence-based support for common feeding practices are limited. A major contributing factor to the paucity of evidence-based practice in this area has been the lack of simple-to-use, low-cost tools for monitoring sucking performance. We describe new methods for quantifying neonatal sucking performance that hold significant clinical and research promise. We present early results from an ongoing study investigating neonatal sucking as a marker of risk for adverse neurodevelopmental outcomes...
April 2017: Seminars in Speech and Language
https://www.readbyqxmd.com/read/28324053/hepatic-insulin-resistance-and-altered-gluconeogenic-pathway-in-premature-baboons
#12
Lisa McGill-Vargas, Amalia Gastaldelli, Hanyu Liang, Diana Anzueto Guerra, Teresa Johnson-Pais, Steven Seidner, Donald McCurnin, Giovanna Muscogiuri, Ralph DeFronzo, Nicolas Musi, Cynthia Blanco
Premature infants have altered glucose regulation early in life and increased risk for diabetes in adulthood. Although prematurity leads to an increased risk of diabetes and metabolic syndrome in adult life, the role of hepatic glucose regulation and adaptation to an early extra-uterine environment in preterm infants remain unknown. The purpose of this study was to investigate developmental differences in glucose metabolism, hepatic protein content and gene expression of key insulin signaling/gluconeogenic molecules...
January 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28324040/cord-blood-adipocyte-fatty-acid-binding-protein-levels-correlate-with-gestational-age-and-birth-weight-in-neonates
#13
Kyoung Eun Joung, Sule Umit Cataltepe, Zoe Michael, Helen Christou, Christos S Mantzoros
Context: Infants born small for gestational age (SGA) have increased risk for obesity and metabolic syndrome in future life, but the underlying mechanisms are not fully elucidated. Adipocyte fatty acid binding protein, is an adipokine that has been implicated in modulation of insulin sensitivity and lipid metabolism. Higher plasma AFABP levels are associated with increased risk of metabolic syndrome and cardiovascular morbidity in adults. Alterations in AFABP levels during fetal growth have not been characterized...
January 31, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322431/exploring-societal-solidarity-in-the-context-of-extreme-prematurity
#14
Manya J Hendriks, Hans Ulrich Bucher, Sabine D Klein, Jürg C Streuli, Ruth Baumann-Hölzle, Jean-Claude Fauchère
QUESTION: Extreme prematurity can result in long-term disabilities. Its impact on society is often not taken into account and deemed controversial. Our study examined attitudes of the Swiss population regarding extreme prematurity and people's perspectives regarding the question of solidarity with disabled people. METHODS: We conducted a nationwide representative anonymous telephone survey with 1210 Swiss residents aged 18 years or older. We asked how people estimate their own personal solidarity, the solidarity of their social environment and the solidarity across the country with disabled persons...
March 21, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28320216/a-neurologic-dysfunction-scoring-protocol-for-jaundiced-neonates-requiring-exchange-transfusion
#15
Bolajoko O Olusanya, Folashade B Osibanjo, Adeniyi A Ajiboye, Oluwafemi E Ayodele, Adebanke A Odunsi, Serah M Olaifa, Abieyuwa A Emokpae
AIM: To evaluate the performance of a neurologic assessment protocol among jaundiced infants requiring exchange transfusion (ET). METHODS: We identified infants in a referral children's hospital who received ET and those who met the American Academy of Pediatrics (AAP) criteria for ET based on total serum bilirubin (TSB) levels. The performance of a bilirubin-induced neurologic dysfunction (BIND-M) scoring protocol for acute bilirubin encephalopathy (ABE) in detecting infants treated with ET in both groups was investigated by logistic regression analysis and c-statistic...
March 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28319128/serious-adverse-neonatal-outcomes-such-as-5-minute-apgar-score-of-zero-and-seizures-or-severe-neurologic-dysfunction-are-increased-in-planned-home-births-after-cesarean-delivery
#16
Amos Grünebaum, Laurence B McCullough, Birgit Arabin, Frank A Chervenak
The United States is with 37,451 home births in 2014 the country with the largest absolute number of home births among all developed countries. The purpose of this study was to examine the occurrence and risks of a 5-minute Apgar score of zero and neonatal seizures or serious neurologic dysfunction in women with a history of prior cesarean delivery for planned home vaginal birth after cesarean (VBAC), compared to hospital VBAC and hospital birth cesarean deliveries for term normal weight infants in the United States from 2007-2014...
2017: PloS One
https://www.readbyqxmd.com/read/28318973/the-dual-nature-of-early-life-experience-on-somatosensory-processing-in-the-human-infant-brain
#17
Nathalie L Maitre, Alexandra P Key, Olena D Chorna, James C Slaughter, Pawel J Matusz, Mark T Wallace, Micah M Murray
Every year, 15 million preterm infants are born, and most spend their first weeks in neonatal intensive care units (NICUs) [1]. Although essential for the support and survival of these infants, NICU sensory environments are dramatically different from those in which full-term infants mature and thus likely impact the development of functional brain organization [2]. Yet the integrity of sensory systems determines effective perception and behavior [3, 4]. In neonates, touch is a cornerstone of interpersonal interactions and sensory-cognitive development [5-7]...
March 15, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28316118/late-preterm-birth-has-direct-and-indirect-effects-on-infant-gut-microbiota-development-during-the-first-six-months-of-life
#18
M Forsgren, E Isolauri, S Salminen, S Rautava
AIM: Preterm infants display aberrant gut microbial colonisation. We investigated whether the differences in gut microbiota between late preterm and full-term infants results from prematurity or external exposures. METHODS: This study comprised 43 late preterm infants (34(0/7) - 36(6/7) ) and 75 full-term infants based on faecal samples collected following birth and at two to four weeks and six months of age. We assessed clinically relevant bacteria using quantitative polymerase chain reaction...
March 17, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28314860/a-newborn-screening-method-for-cerebrotendinous-xanthomatosis-using-bile-alcohol-glucuronides-and-metabolite-ratios
#19
Frédéric M Vaz, Albert H Bootsma, Willem Kulik, Aad Verrips, Ron A Wevers, Peter C Schielen, Andrea E DeBarber, Hidde H Huidekoper
Cerebrotendinous xanthomatosis (CTX) is a treatable neurodegenerative metabolic disorder of bile acid synthesis where symptoms can be prevented if treatment with chenodeoxycholic acid supplementation is initiated early in life, making CTX an excellent candidate for newborn screening. We developed a new dried blood spot screening assay for this disorder based on different ratios between the accumulating cholestanetetrol glucuronide (tetrol) and specific bile acids/bile acid intermediates, without the need for derivatization...
March 17, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28303621/distal-skin-vasodilation-promotes-rapid-sleep-onset-in-preterm-neonates
#20
Lucile Barcat, Pauline Decima, Emilie Bodin, Stephane Delanaud, Erwan Stephan-Blanchard, Andre Leke, Jean-Pierre Libert, Pierre Tourneux, Veronique Bach
Although sleep is of paramount importance for preterm neonates, care of the latter in a neonatal intensive care unit does not favour sleep. Given that several studies in adults have described a 'vegetative preparedness to sleep' (in which distal skin vasodilation before lights-out promotes rapid sleep onset), we looked at whether or not this process operates in preterm neonates. Sleep propensity was assessed in terms of the duration of a spontaneous episode of wakefulness (W). Skin temperatures at six body sites (the abdomen, pectoral region, eye, hand, thigh and foot) were measured (using infrared thermography) during nocturnal polysomnography in 29 9-day-old preterm neonates (postmenstrual age: 209 ± 9 days)...
March 17, 2017: Journal of Sleep Research
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