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https://www.readbyqxmd.com/read/29025303/serum-surfactant-protein-d-as-a-marker-for-bronchopulmonary-dysplasia
#1
Suja Vinod, Andrew Gow, Barry Weinberger, Debra Potak, Mark Hiatt, Shaku Chandra, Thomas Hegyi
BACKGROUND: Lung epithelial cells express surfactant protein D (SP-D), a calcium-dependent lectin that plays an important role in antibody-independent pulmonary host defense. Previous studies have shown that it is found in the peripheral circulation in patients with pulmonary disease, likely because of translocation into the blood when lung epithelial barriers are disrupted by inflammation or acute injury. In adults, serum SP-D levels are biomarkers for the progression and severity of chronic lung disease...
October 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28990324/involvement-of-stanniocalcins-in-the-deregulation-of-glycaemia-in-obese-mice-and-type-2-diabetic-patients
#2
José Javier López, Isaac Jardín, Carlos Cantonero Chamorro, Manuel Luis Duran, María José Tarancón Rubio, Maria Reyes Panadero, Francisca Jiménez, Rocio Montero, María José González, Manuel Martínez, María Jose Hernández, José María Brull, Antonio Jesús Corbacho, Elena Delgado, María Purificación Granados, Luis Gómez-Gordo, Juan Antonio Rosado, Pedro Cosme Redondo
Stanniocalcins are expressed in the pancreas tissue, and it was suggested a direct correlation between circulating insulin and STC2 concentrations in human. Here, we show a significant correlation between STC1 and both glycaemia and glycosylated haemoglobin among DM2 patients, while DM2 patients who present the greatest glycosylated haemoglobin values exhibited the lowest STC2 expression. However, treatment of patients with antiglycaemic drugs does not significantly modify the expression of both STCs. On the other hand, STC2(-/-) mice that exhibited neonatal and adult overweight further presented deregulated glycaemia when they were feed with a hypercaloric diet (breeding pellet, BP)...
October 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28988159/chest-compression-during-sustained-inflation-versus-3-1-chest-compression-ventilation-ratio-during-neonatal-cardiopulmonary-resuscitation-a-randomised-feasibility-trial
#3
Georg M Schmölzer, Megan O Reilly, Caroline Fray, Sylvia van Os, Po-Yin Cheung
BACKGROUND: Current neonatal resuscitation guidelines recommend 3:1 compression:ventilation (C:V) ratio. Recently, animal studies reported that continuous chest compressions (CC) during a sustained inflation (SI) significantly improved return of spontaneous circulation (ROSC). The approach of CC during SI (CC+SI) has not been examined in the delivery room during neonatal resuscitation. HYPOTHESIS: It is a feasibility study to compare CC+SI versus 3:1 C:V ratio during neonatal resuscitation in the delivery room...
October 7, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28984256/neonatal-endocrine-labomas-pitfalls-and-challenges-in-reporting-neonatal-hormonal-reports
#4
Sachin Chittawar, Deep Dutta, Deepak Khandelwal, Rajiv Singla
This review highlights pitfalls and challenges in interpreting neonatal hormone reports. Pre-analytical errors contribute to nearly 50% of all errors. Modern chemiluminescence assay are more accurate, have lower risk of Hook's effect, but continue to have problems of assay interference. Liquid chromatography mass spectroscopy is gold standard for most hormone assays. Neonatal hypoglycemia diagnostic cut-offs are lower than adults. Random growth hormone testing is of value in diagnosing growth hormone deficiency in neonates...
September 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28971976/recent-advances-in-our-understanding-of-the-mechanisms-of-late-lung-development-and-bronchopulmonary-dysplasia
#5
David Emanuel Surate Solaligue, José Alberto Rodríguez-Castillo, Katrin Ahlbrecht, Rory E Morty
The objective of lung development is to generate an organ of gas exchange that provides both a thin gas diffusion barrier and a large gas diffusion surface area, which concomitantly generates a steep gas-diffusion concentration gradient. As such, the lung is perfectly structured to undertake the function of gas exchange: a large number of small alveoli provide extensive surface area within the limited volume of the lung, and a delicate alveolo-capillary barrier brings circulating blood into close proximity to the inspired air...
September 28, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28965435/early-rescue-neopuff-for-infants-with-transient-tachypnea-of-newborn-a-randomized-controlled-trial
#6
Amani Mahmoud Osman, Rania Ali El-Farrash, Enas Hussein Mohammed
OBJECTIVE: To examine the efficacy of early continuous positive airway pressure (CPAP), delivered using a T-piece based infant resuscitator (Neopuff) via a face mask, in reducing the severity and duration of transient tachypnea of newborn (TTN) as well as testing a hypothesis suggesting that rapid clearance of fetal lung fluid to the circulation via CPAP would increase plasma B-type natriuretic peptide (BNP). METHODS: A randomized-controlled trial (NCT01859533) was conducted on 64 late preterm/term neonates, delivered by cesarean section and presented by respiratory distress shortly after birth...
October 1, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28954835/retrospective-uk-multicentre-study-of-the-pregnancy-outcomes-of-women-with-a-fontan-repair
#7
Matthew Cauldwell, Philip J Steer, Samantha Bonner, Omar Asghar, Lorna Swan, Kenneth Hodson, Catherine E G Head, Adam Daniel Jakes, Nicola Walker, Margaret Simpson, Aidan P Bolger, Farah Siddiqui, Katherine M English, Lucy Maudlin, Dilip Abraham, Andrew J Sands, Aarthi R Mohan, Stephanie L Curtis, Louise Coats, Mark R Johnson
BACKGROUND: The population of women of childbearing age palliated with a Fontan repair is increasing. The aim of this study was to describe the progress of pregnancy and its outcome in a cohort of patients with a Fontan circulation in the UK. METHODS: A retrospective study of women with a Fontan circulation delivering between January 2005 and November 2016 in 10 specialist adult congenital heart disease centres in the UK. RESULTS: 50 women had 124 pregnancies, resulting in 68 (54...
September 27, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28952523/comparative-n-glycosylation-analysis-of-the-fc-portions-of-a-chimeric-human-coagulation-factor-viii-and-immunoglobulin-g1
#8
Christoph Kannicht, Mario Kröning, Barbara A Solecka-Witulska, Guido Kohla, Julia Rosenlöcher
Prevention and treatment of bleeding in patients suffering from hemophilia A are inconvenient due to repeated intravenous infusions owing to the short half-life of coagulation factor VIII (FVIII) in circulation. Besides (glyco-)pegylation of the FVIII molecule, a bioengineering approach comprises the protein fusion to Fc-immunoglobulin (Ig)G that mediate protection from clearance or degradation via binding to the neonatal Fc receptor. While human-like N-glycosylation of recombinant FVIII is known to be crucial for the clotting factor's quality and function, the particular glycosylation of the fused Fc portion has not been investigated in detail so far, despite its known impact on Fcγ receptor binding...
May 17, 2017: Bioengineering
https://www.readbyqxmd.com/read/28934858/metabolism-nutrition-and-redox-signaling-of-hydroxyproline
#9
Zhenlong Wu, Yongqing Hou, Zhaolai Dai, Chien-An Hu, Guoyao Wu
SIGNIFICANCE: Hydroxyproline is a structurally and physiologically important imino acid in animals. It is provided from diets and endogenous synthesis, and its conversion into glycine is enhances the production of glutathione, DNA, heme, and protein. Furthermore, oxidation of hydroxyproline by hydroxyproline oxidase plays an important role in cell antioxidative reactions, survival, and homeostasis. Understanding the mechanisms whereby hydroxyproline participates in metabolism and cell signaling can improve the nutrition and health of animals and humans...
September 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28932922/decreased-ocular-blood-flow-after-photocoagulation-therapy-in-neonatal-retinopathy-of-prematurity
#10
Tadashi Matsumoto, Takashi Itokawa, Tomoaki Shiba, Masahiko Tomita, Kotaro Hine, Norio Mizukaki, Hitoshi Yoda, Yuichi Hori
PURPOSE: To evaluate the relationships between optic nerve head blood flow, expressed as mean blur rate (MBR) measured by laser speckle flowgraphy (LSFG), and photocoagulation therapy in neonates with retinopathy of prematurity (ROP). STUDY DESIGN: Case series study. METHODS: We studied 5 ROP neonates either during sleep or under sedation both before and after photocoagulation, and evaluated 8 eyes in which the circulation could be measured three times consecutively...
September 20, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28931909/organ-specific-regulation-of-atp7a-abundance-is-coordinated-with-systemic-copper-homeostasis
#11
Haarin Chun, Tracy Catterton, Heejeong Kim, Jaekwon Lee, Byung-Eun Kim
Copper (Cu) is an essential cofactor for various enzymatic activities including mitochondrial electron transport, iron mobilization, and peptide hormone maturation. Consequently, Cu dysregulation is associated with fatal neonatal disease, liver and cardiac dysfunction, and anemia. While the Cu transporter ATP7A plays a major role in both intestinal Cu mobilization to the periphery and prevention of Cu over-accumulation, it is unclear how regulation of ATP7A contributes to Cu homeostasis in response to systemic Cu fluctuation...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28925890/the-use-of-hemodynamic-and-cerebral-monitoring-to-study-pharmacodynamics-in-neonates
#12
A Smits, L Thewissen, A Dereymaeker, E Dempsey, A Caicedo, Gunnar Naulaers
BACKGROUND: Drugs acting on the cardiovascular and central nervous system often display relatively fast clinical responses, which may differ in neonates compared to children and adults. Introduction of bedside monitoring tools might be of additional value in the pharmacodynamic (PD) assessment of such drugs in neonates. METHODS: We aim to provide an overview of the frequently used monitoring tools to assess drug effects on the hemodynamic status as well as the cerebral circulation, oxygenation and cerebral metabolism in neonates...
September 18, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28919687/presence-and-characterization-of-escherichia-coli-virulence-genes-isolated-from-diseased-pigs-in-the-central-region-of-argentina
#13
Fernando A Bessone, Gabriela Bessone, Sebastián Marini, María B Conde, Fabrisio E Alustiza, Gustavo Zielinski
BACKGROUND: The main pathogen of neonatal and post weaning diarrhea and edema disease (ED) is Escherichia coli and pathotypes involved are enterotoxigenic, enteropathogenic, and shiga toxigenic (ETEC, EPEC, and STEC, respectively). Those diseases cause economic loss in pig production. AIM: The aim of this work was to evaluate the presence of strains expressing virulence markers genes and the antibiotic susceptibility profiles of E. coli from clinical cases of post weaning diarrhea and ED in farms in the central area of Argentina...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28919619/comparison-of-serum-bilirubin-with-transcutaneous-bilirubinometry-in-late-preterm-and-term-newborn
#14
N Nahar, M A Mannan, A C Dey, F Ahmed, K A Khan, I Jahan, S K Dey, M Shahidullah
Neonatal jaundice or hyperbilirubinemia is a common occurrence in newborns. It can progress to develop kernicterus unless intervention is initiated. Severity and decision for management are usually based on serum bilirubin which needs blood sampling. Transcutaneous bilirubin measurement is a noninvasive technique and correlates closely with serum bilirubin. This Cross sectional study was done in the Department of Neonatology, Bangabandhu Sheikh Mujib Medical University from March 2013 to August 2014 to evaluate the transcutaneous bilirubin in comparison to serum bilirubin...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28915527/palliative-therapies-for-congenital-heart-disease-with-ductus-dependent-pulmonary-circulation
#15
Shi-Min Yuan
In neonates, the management of ductus dependent pulmonary circulation is challenging. There have been three palliative therapies for this lesion: the modified Blalock-Taussig shunt, ductal stenting and prostaglandin E infusions, for maintaining the ductal patency before definite operations. Debates remain with regard to the indications and disadvantages of three palliative therapies. The aim of this article is to give a brief review of these three palliative therapies.
September 15, 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28901177/evaluation-of-an-fcrn-affinity-chromatographic-method-for-igg1-type-antibodies-and-evaluation-of-igg-variants
#16
Florian Cymer, Tilman Schlothauer, Alexander Knaupp, Hermann Beck
AIM: The neonatal Fc-receptor (FcRn) mediates long serum half-life of therapeutic IgG-type antibodies. This interaction represents a critical quality attribute in terms of pharmacokinetics and should be covered by respective quality control strategies. Antibodies are taken up by cells unspecifically and can bind to FcRn in early endosomes preventing lysosomal degradation and allowing release back into circulation. Reflecting this complex cycle in an in vitro assay strategy represents a challenging task...
September 13, 2017: Bioanalysis
https://www.readbyqxmd.com/read/28899350/epidemiological-profile-and-obstetric-outcomes-of-patients-with-peripartum-congestive-heart-failure-in-taiwan-a-retrospective-nationwide-study
#17
Ying-Jen Chang, Chung-Han Ho, Jen-Yin Chen, Ming-Ping Wu, Chia-Hung Yu, Jhi-Joung Wang, Chia-Ming Chen, Chin-Chen Chu
BACKGROUND: During pregnancy, the hyperdynamic physiology of circulation can exacerbate many cardiovascular disorders. Congestive heart failure (CHF) usually occurs during late pregnancy, which is significantly associated with a high level of maternal and neonatal morbidities and mortalities. The profile of women who develop peripartum CHF (PCHF) is unknown. We investigated the epidemiological profiles of PCHF. METHODS: In this retrospective cohort study, PCHF patients were identified using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes in Taiwan's National Health Insurance Research Database...
September 12, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28893652/a-new-threat-to-human-reproduction-system-posed-by-zika-virus-zikv-from-clinical-investigations-to-experimental-studies
#18
REVIEW
Xiangdong Li, Wenqiang Ma, Gary Wong, Shuoqian Ma, Shihua Li, Yuhai Bi, George F Gao
Zika virus (ZIKV) was first isolated in 1947 from a rhesus monkey in the Zika forest of Uganda. ZIKV has since been silently circulating in a number of equatorial countries for over 50 years. The largest outbreak in humans occurred in Brazil in 2015-2016. Unlike its flavivirus relatives, sexual and post-transfusion transmissions of ZIKV have been reported. In addition, fetal infection can result in microcephaly and congenital Zikv syndrome has been reported in neonates. Moreover, ZIKV RNA can persist for at least 6 months in semen and 11 weeks in vaginal secretions after the infection, suggesting potential tropism for the male and female genital tracts...
September 8, 2017: Virus Research
https://www.readbyqxmd.com/read/28892882/circulating-protein-carbonyls-antioxidant-enzymes-and-related-trace-minerals-among-preterms-with-respiratory-distress-syndrome
#19
Ahmed El-Abd Ahmed, Eman Ahmed Abd-Elmawgood, Mohammed H Hassan
INTRODUCTION: Information about oxidative stress in preterms with Respiratory Distress Syndrome (RDS) is defective, so various researches in this area are required, which may open new roads in understanding the pathogenesis of the disease, hence provide additional helpful therapeutic approaches. AIM: To assess and compare the plasma level of protein carbonyls as a marker for oxidant status and the antioxidant enzymes; Superoxide Dismutase (SOD) and Glutathione Peroxidase (GPx) and the related trace minerals in the form of Copper (Cu), Zinc (Zn) and Selenium (Se) as markers for antioxidant status, in preterms with and without RDS...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28879605/in-vitro-evaluation-of-limitations-and-possibilities-for-the-future-use-of-intracorporeal-gas-exchangers-placed-in-the-upper-lobe-position
#20
Erin Schumer, Klaus Höffler, Christian Kuehn, Mark Slaughter, Axel Haverich, Bettina Wiegmann
The lack of donor organs has led to the development of alternative "destination therapies", such as a bio-artificial lung (BA) for end-stage lung disease. Ultimately aiming at a fully implantable BA, general capabilities and limitations of different oxygenators were tested based on the model of BA positioning at the right upper lobe. Three different-sized oxygenators (neonatal, paediatric, and adult) were tested in a mock circulation loop regarding oxygenation and decarboxylation capacities for three respiratory pathologies...
September 6, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
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