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https://www.readbyqxmd.com/read/28549090/sigma-1-receptor-regulates-mitochondrial-function-in-glucose-and-oxygen-deprived-retinal-ganglion-cells
#1
Dorette Z Ellis, Linya Li, Yong Park, Shaoqing He, Brett Mueller, Thomas Yorio
Purpose: Understanding the role of mitochondria in retinal ganglion cells (RGCs) is relevant to human disease as studies have shown mitochondrial abnormalities in primary open-angle glaucoma patients. This study seeks to determine the effects of the sigma-1 receptor (σ-1r) and its agonists on mitochondrial function in oxygen- and glucose- deprived (OGD) purified neonatal RGCs. Methods: Retinal ganglion cells were isolated from rat pups and subjected to OGD in varying conditions in the presence or absence of σ-1r agonist and antagonist and following addition of an AAV2-σ-1r vector that was used to increase σ-1r expression...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28549058/histone-deacetylase-adaptation-in-single-ventricle-heart-disease-and-a-young-animal-model-of-right-ventricular-hypertrophy
#2
Weston W Blakeslee, Kimberly M Demos-Davies, Douglas D Lemon, Katharina M Lutter, Maria A Cavasin, Sam Payne, Karin Nunley, Carlin S Long, Timothy A McKinsey, Shelley D Miyamoto
BACKGROUNDHistone deacetylase (HDAC) inhibitors are promising therapeutics for various forms of cardiac disease. The purpose of this study was to assess cardiac HDAC catalytic activity and expression in children with single ventricle heart disease of right ventricular morphology (SV), as well as in a rodent model of right ventricular hypertrophy (RVH).METHODSHomogenates of RV explants from non-failing controls and SV children were assayed for HDAC catalytic activity and HDAC isoform expression. Postnatal 1-day old rat pups were placed in hypoxic conditions and echocardiographic analysis, gene expression, HDAC catalytic activity and isoform expression studies of the RV were performed...
May 26, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28546371/pediatric-aerosol-therapy
#3
Ariel Berlinski
Inhaled medications are the mainstay of therapy for many pediatric pulmonary diseases. Device and delivery technique selection is key to improving lung deposition of inhaled drugs. This paper will review the subject in relationship to several pediatric clinical situations: acute pediatric asthma, transnasal aerosol delivery, delivery through tracheostomies, and delivery during noninvasive and invasive mechanical ventilation. This review will focus on the pediatric age group and will not include neonates.
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28545656/cord-plasma-insulin-and-in-utero-exposure-to-ambient-air-pollution
#4
Narjes Madhloum, Bram G Janssen, Dries S Martens, Nelly D Saenen, Esmée Bijnens, Wilfried Gyselaers, Joris Penders, Charlotte Vanpoucke, Wouter Lefebvre, Michelle Plusquin, Tim S Nawrot
INTRODUCTION: Cardio-metabolic risk factors including insulin levels are at young age barely perceived as harmful, but over time these risk factors may track and lead to higher risk of metabolic syndrome. Studies showed that exposure to air pollution is associated with an increased risk of insulin resistance in childhood. We determined whether the origin of type 2 diabetes can be found in the early childhood by examining the levels of insulin in the neonatal cord blood and whether this can be considered as a disease marker for later life...
May 22, 2017: Environment International
https://www.readbyqxmd.com/read/28545266/-analysis-of-misssed-diagnosis-and-misdiagnosis-of-1-212-cases-with-placental-abruption
#5
D Xu, C Liang, J W Xu, J He
Objective: To investigate the risk factors and clinical manifestations of placental abruption, and to analyze the causes of missed diagnosis and misdiagnosis. Methods: A retrospective analysis was conducted in 135 584 women who delivered in Women's Hospital, School of Medicine, Zhejiang University from January 2005 to December 2015. The diagnosis of placental abruption was made in 1 212 cases. According to the consistency of prenatal and postnatal diagnosis, they were divided into 3 groups. (1) The diagnosis was consistent prenatally and postnatally in 715 cases(58...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28544683/comprehensive-genetic-study-of-cystic-fibrosis-in-slovak-patients-in-25-years-of-genetic-diagnostics
#6
Andrea Soltysova, Eva Tothova Tarova, Andrej Ficek, Marian Baldovic, Helena Polakova, Hana Kayserova, Ludevit Kadasi
INTRODUCTION: Cystic fibrosis (CF) has one of the longest histories in hereditary disease molecular diagnostics. However, identification of causative mutations in the CFTR gene is complicated by over two thousand currently identified mutations; with more still being discovered. Knowledge of mutation spectrum may improve effective routine diagnostics and is obligatory in mutation-specific treatment. OBJECTIVES: This study presents comprehensive mutation screening of the CFTR gene; with 275 unrelated, clinically confirmed and treated cystic fibrosis (CF) patients diagnosed in 25 years genetic testing in Slovakia...
May 20, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28544396/current-trends-in-racial-ethnic-and-healthcare-disparities-associated-with-pediatric-cardiac-surgery-outcomes
#7
Jennifer K Peterson, Yanjun Chen, Danh V Nguyen, Shaun P Setty
OBJECTIVE: Despite overall improvements in congenital heart disease outcomes, racial and ethnic disparities have continued. The purpose of this study is to examine the effect of race and ethnicity, as well as other risk factors on congenital heart surgery length of stay and in-hospital mortality. DESIGN: From the 2012 Healthcare Cost and Utilization Project Kids Inpatient Database (KID), we identified 13 130 records with Risk Adjustment in Congenital Heart Surgery complexity score-eligible procedures...
May 22, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28542743/neuroimaging-cardiovascular-physiology-and-functional-outcomes-in-infants-with-congenital-heart-disease
#8
REVIEW
Nathalie H P Claessens, Christopher J Kelly, Serena J Counsell, Manon J N L Benders
This review integrates data on brain dysmaturation and acquired brain injury using fetal and neonatal magnetic resonance imaging (MRI), including the contribution of cardiovascular physiology to differences in brain development, and the relationship between brain abnormalities and subsequent neurological impairments in infants with congenital heart disease (CHD). The antenatal and neonatal period are critical for optimal brain development; the developing brain is particularly vulnerable to haemodynamic disturbances during this time...
May 19, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28542713/withdrawn-infant-formulas-containing-hydrolysed-protein-for-prevention-of-allergic-disease-and-food-allergy
#9
REVIEW
David A Osborn, John Kh Sinn, Lisa J Jones
BACKGROUND: Allergy is common and may be associated with foods, including cow's milk formula (CMF). Formulas containing hydrolysed proteins have been used to treat infants with allergy. However, it is unclear whether hydrolysed formulas can be advocated for prevention of allergy in infants. OBJECTIVES: To compare effects on allergy and food allergy when infants are fed a hydrolysed formula versus CMF or human breast milk. If hydrolysed formulas are effective, to determine what type of hydrolysed formula is most effective, including extensively or partially hydrolysed formula (EHF/PHF)...
May 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28542664/-vertical-transmission-of-chikungunya-virus-infection-case-report
#10
Sara E Cardona-Correa, Lina María Castaño-Jaramillo, Augusto Quevedo-Vélez
Chikungunya virus infection is a disease transmitted by vectors, in which vertical transmission was described in years 2005-2006. An infection rate up to 49% in neonates born from mothers with active viremia during labor has been observed. Perinatal infection could results in serious complications and potential cognitive impairment. OBJECTIVE: To describe a newborn with Chikungunya virus infection secundary to vertical transmission. Clínical case: A female newborn is analyzed. She presented with fever and exanthema during her first week of life, elevation of transaminases and thrombocytopenia...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28542653/-folate-and-pregnancy-current-concepts-it-is-required-folic-acid-supplementation
#11
Erika Castaño, Raúl Piñuñuri, Sandra Hirsch, Ana María Ronco
Folate intake during pregnancy is essential for an adequate fetal and placental development and for the long time health of the individual. Its deficiency may induce fetal pathologies, including neural tube disease (NTD). Therefore, several countries implemented public policies to fortify foods with folic acid (FA). Chile started the fortification of wheat flour with FA in the year 2000, decreasing a 43% the prevalence of NTD. However, despite the high consumption of bread (the main fortified food with FA) by our population, a high number of pregnant women consume FA supplements, thus, over passing the maximal recommended FA intake...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28540525/identification-of-22q11-2-deletion-syndrome-via-newborn-screening-for-severe-combined-immunodeficiency
#12
Jessica C Barry, Terrence Blaine Crowley, Soma Jyonouchi, Jennifer Heimall, Elaine H Zackai, Kathleen E Sullivan, Donna M McDonald-McGinn
PURPOSE: Chromosome 22q11.2 deletion syndrome (22q11.2DS), the most common cause of DiGeorge syndrome, is quite variable. Neonatal diagnosis traditionally relies on recognition of classic features and cytogenetic testing, but many patients come to attention only following identification of later onset conditions, such as hypernasal speech due to palatal insufficiency and developmental and behavioral differences including speech delay, autism, and learning disabilities that would benefit from early interventions...
May 24, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28540257/dynamic-interaction-of-enterovirus-71-and-dendritic-cells-in-infected-neonatal-rhesus-macaques
#13
Ting Zhao, Zhixiao Zhang, Ying Zhang, Min Feng, Shengtao Fan, Lichun Wang, Longding Liu, Xi Wang, Qinglin Wang, Xiaolong Zhang, Jingjing Wang, Yun Liao, Zhanlong He, Shuaiyao Lu, Huai Yang, Qihan Li
Enterovirus 71 (EV71) is one of the main pathogens responsible for hand, foot, and mouth disease (HFMD). Infection with EV71 can lead to severe clinical disease via extensive infections of either the respiratory or alimentary tracts in children. Based on the previous pathological study of EV71 infections in neonatal rhesus macaques, our work using this animal model and an EV71 chimera that expresses enhanced green fluorescent protein (EGFP-EV71) primarily explored where EV71 localizes and proliferates, and the subsequent initiation of the pathological process...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28539438/discovery-of-a-prefusion-rsv-f-specific-monoclonal-antibody-that-provides-greater-in-vivo-protection-than-the-murine-precursor-of-palivizumab
#14
Min Zhao, Zi-Zheng Zheng, Man Chen, Kayvon Modjarrad, Wei Zhang, Lu-Ting Zhan, Jian-Li Cao, Yong-Peng Sun, Jason S McLellan, Barney S Graham, Ning-Shao Xia
Palivizumab, a humanized murine monoclonal antibody that recognizes antigenic site II on both the prefusion (pre-F) and postfusion (post-F) conformations of the RSV F glycoprotein, is the only prophylactic agent approved for RSV. However, its relatively low neutralizing potency and high cost has limited its use to a restricted population of infants at high risk of severe disease. Previously, we isolated a high potency neutralizing antibody, 5C4, that specifically recognizes antigenic site Ø at the apex of the pre-F trimer...
May 24, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28539405/tumor-susceptibility-gene-101-tsg101-regulates-predisposition-towards-apoptosis-via-escrt-machinery-accessory-proteins
#15
Zenia Kaul, Oishee Chakrabarti
ESCRT proteins are implicated in myriad cellular processes, including endosome formation, fusion of autophagosomes/amphisomes with lysosomes and apoptosis. The role played by these proteins in either facilitating or protecting against apoptosis is still unclear. In this study, while trying to understand how deficiency of Mahogunin RING Finger 1 (MGRN1) affects cell viability, we uncover a novel role for its interactor, the ESCRT-I protein, TSG101 - it directly participates in mitigating ER stress mediated apoptosis...
May 24, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28539207/effect-of-maternal-age-and-cardiac-disease-severity-on-outcome-of-pregnancy-in-women-with-congenital-heart-disease
#16
Eva Furenäs, Peter Eriksson, Ulla-Britt Wennerholm, Mikael Dellborg
BACKGROUND: There is an increasing prevalence of women with congenital heart defects reaching childbearing age. In western countries women tend to give birth at a higher age compared to some decades ago. We evaluated the CARdiac disease in PREGnancy (CARPREG) and modified World Health Organization (mWHO) risk classifications for cardiac complications during pregnancies in women with congenital heart defects and analyzed the impact of age on risk of obstetric and fetal outcome. METHODS: A single-center observational study of cardiac, obstetric, and neonatal complications with data from cardiac and obstetric records of pregnancies in women with congenital heart disease...
May 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28538366/preventing-necrotizing-enterocolitis-by-food-additives-in-neonates-a-network-meta-analysis-revealing-the-efficacy-and-safety
#17
Wentao Yu, Wu Sui, Linsong Mu, Wenying Yi, Haijuan Li, Liqin Wei, Weihong Yin
BACKGROUND: Necrotizing enterocolitis (NEC) is a serious multifactorial gastrointestinal disease which is often discovered in premature infants. Various additives have been used to prevent NEC; yet, their relative efficacy and safety remain disputed. This study aims to compare the efficacy and safety of 5 food additives, namely, probiotics, probiotics + fructo-oligosaccharides, pentoxifylline, arginine, and lactoferrin in preventing NEC in neonates. METHODS: Embase, PubMed, and Cochrane Library had been searched for all eligible randomized control trials...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28538089/central-hematocrit-levels-in-fetal-malnourished-term-infants
#18
Kerem Ertaş, Özgül Salihoğlu, Emrah Can, Sami Hatipoğlu, Şahin Hamilçikan
BACKROUND: Fetal malnutrition is especially important for common chronic diseases in adult life. They could potentially be prevented by achieving optimal fetal nutrition. OBJECTIVE: The aim of this study was to investigate hematocrit levels of malnourished, term, appropriate for gestational age (AGA) neonates. SUBJECTS AND METHODS: A total of 80 AGA neonates (between 10% and 90% percentiles interval according to birth week), born with spontaneous vaginal delivery between 37 and 42 weeks of gestation, detected by both last menstrual period and ultrasonography measurements, were included in the study...
May 23, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28537550/household-transmission-of-invasive-group-a-streptococcus-infections-in-england-a-population-based-study-2009-2011-to-2013
#19
Rachel Mearkle, Maria Saavedra-Campos, Theresa Lamagni, Martine Usdin, Juliana Coelho, Vicki Chalker, Shiranee Sriskandan, Rebecca Cordery, Chas Rawlings, Sooria Balasegaram
Invasive group A streptococcal infection has a 15% case fatality rate and a risk of secondary transmission. This retrospective study used two national data sources from England; enhanced surveillance (2009) and a case management system (2011-2013) to identify clusters of severe group A streptococcal disease. Twenty-four household pairs were identified. The median onset interval between cases was 2 days (range 0-28) with simultaneous onset in eight pairs. The attack rate during the 30 days after first exposure to a primary case was 4,520 per 100,000 person-years at risk (95% confidence interval (CI): 2,900-6,730) a 1,940 (95% CI: 1,240-2,880) fold elevation over the background incidence...
May 11, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28536811/listeriosis-during-pregnancy
#20
REVIEW
Mitko Madjunkov, Shahnaz Chaudhry, Shinya Ito
PURPOSE: Listeriosis is a rare foodborne illness caused by Listeria monocytogenes. It can be transmitted by consuming contaminated ready-to-eat food, long shelf-life products, deli meats, and soft cheeses. Listeria has a predilection to affect immunocompromised patients, elderly people, pregnant women and neonates. In particular, pregnant women are at ~18 times greater risk of infection than general population due to specific pregnancy-related suppressed cell-mediated immunity and placental tropism of L...
May 23, 2017: Archives of Gynecology and Obstetrics
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