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Frontiers in Pediatrics

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https://www.readbyqxmd.com/read/28083527/mechanotransduction-as-an-adaptation-to-gravity
#1
REVIEW
Tanbir Najrana, Juan Sanchez-Esteban
Gravity has played a critical role in the development of terrestrial life. A key event in evolution has been the development of mechanisms to sense and transduce gravitational force into biological signals. The objective of this manuscript is to review how living organisms on Earth use mechanotransduction as an adaptation to gravity. Certain cells have evolved specialized structures, such as otoliths in hair cells of the inner ear and statoliths in plants, to respond directly to the force of gravity. By conducting studies in the reduced gravity of spaceflight (microgravity) or simulating microgravity in the laboratory, we have gained insights into how gravity might have changed life on Earth...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28083526/intestinal-bacterial-colonization-in-the-first-2%C3%A2-weeks-of-life-of-nigerian-neonates-using-standard-culture-methods
#2
Allan Kigbu, Adebola E Orimadegun, Olukemi O Tongo, Georgina N Odaibo, David O Olaleye, Olusegun O Akinyinka
OBJECTIVE: The pattern and timing of development of intestinal microflora in Nigerian infants have been scarcely researched. This study was carried out to investigate the bacteria flora in the rectum of healthy neonates in Ibadan, Nigeria. PATIENTS AND METHODS: In this hospital-based longitudinal study, rectal swabs of 70 neonates were taken within 6-12 h of birth (day 1) and subsequently on days 3, 9, and 14. Information collected included maternal sociodemographic characteristics, antibiotic use for the neonates, and type of feeding during the first 14 days of life...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28066751/killing-two-cells-with-one-stone-pharmacologic-bcl-2-family-targeting-for-cancer-cell-death-and-immune-modulation
#3
REVIEW
Lindsey M Ludwig, Michele L Nassin, Abbas Hadji, James L LaBelle
A crucial component of regulating organismal homeostasis is maintaining proper cell number and eliminating damaged or potentially malignant cells. Apoptosis, or programed cell death, is the mechanism responsible for this equilibrium. The intrinsic apoptotic pathway is also especially important in the development and maintenance of the immune system. Apoptosis is essential for proper positive and negative selection during B- and T-cell development and for efficient contraction of expanded lymphocytes following an immune response...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28066750/influences-and-barriers-on-physical-activity-in-pediatric-oncology-patients
#4
REVIEW
Larrilyn Yelton, Shalini Forbis
OBJECTIVES: To determine the influence of family, peers, school, and physicians on exercise in pediatric oncology patients and evaluate the barriers to physical activity (PA) levels in this population. METHODS: A search of PubMed and Google Scholar resulted in 12 related articles. The articles were assessed for the influence of school systems, family, peers, self-efficacy, and physicians on exercise. Additionally, barriers and interventions to PA were also assessed...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28018896/factors-influencing-neurodevelopment-after-cardiac-surgery-during-infancy
#5
REVIEW
Hedwig Hubertine Hövels-Gürich
Short- and long-term neurodevelopmental (ND) disabilities with negative impact on psychosocial and academic performance, quality of life, and independence in adulthood are known to be the most common sequelae for surviving children after surgery for congenital heart disease (CHD). This article reviews influences and risk factors for ND impairment. For a long time, the search for independent risk factors was focused on the perioperative period and modalities of cardiopulmonary bypass (CPB). CPB operations to ensure intraoperative vital organ perfusion and oxygen supply with or without circulatory arrest or regional cerebral perfusion bear specific risks...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28018895/regional-differences-in-end-diastolic-volumes-between-3d-echo-and-cmr-in-hlhs-patients
#6
Alberto Gomez, Ozan Oktay, Daniel Rueckert, Graeme P Penney, Julia A Schnabel, John M Simpson, Kuberan Pushparajah
Ultrasound is commonly thought to underestimate ventricular volumes compared to magnetic resonance imaging (MRI), although the reason for this and the spatial distribution of the volume difference is not well understood. In this paper, we use landmark-based image registration to spatially align MRI and ultrasound images from patients with hypoplastic left heart syndrome and carry out a qualitative and quantitative spatial comparison of manual segmentations of the ventricular volume obtained from the respective modalities...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28008397/play-therapy-to-control-pain-and-suffering-in-pediatric-oncology
#7
Dorella Scarponi, Andrea Pession
No abstract text is available yet for this article.
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27990414/what-is-new-in-genetics-of-congenital-heart-defects
#8
REVIEW
Maria Cristina Digilio, Bruno Marino
Epidemiological studies, clinical observations, and advances in molecular genetics are contributing to the understanding of the etiology of congenital heart defects (CHDs). Several phenotype-genotype correlation studies have suggested that specific morphogenetic mechanisms put in motion by genes can result in a specific cardiac phenotype. The use of new technologies has increased the possibility of identification of new genes and chromosomal loci in syndromic and non-syndromic CHDs. There are a number of methods available for genetic research studies of CHDs, including cytogenetic analysis, linkage and association studies, copy number variation (CNV) and DNA micro-array analysis, and whole exome sequencing...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27965950/preterm-birth-during-influenza-season-is-associated-with-adverse-outcome-in-very-low-birth-weight-infants
#9
Christoph Härtel, Alexander Humberg, Dorothee Viemann, Anja Stein, Thorsten Orlikowsky, Jan Rupp, Matthias V Kopp, Egbert Herting, Wolfgang Göpel
OBJECTIVE: We investigated the relationship between influenza seasonality and outcome of very low birth weight infants (VLBWI) in a large observational cohort study of the German Neonatal Network. MATERIALS AND METHODS: Within the observational period (July 2009 until December 2014), five influenza seasons occurred (mean duration: 97 days, range: 48-131 days). We stratified VLBWI (n = 10,187) according to date of birth into three categories: (1) before influenza season, (2) during influenza season, and (3) 3 months after the end of the respective season...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27965949/a-novel-prototype-neonatal-resuscitator-that-controls-tidal-volume-and-ventilation-rate-a-comparative-study-of-mask-ventilation-in-a-newborn-manikin
#10
Anne Lee Solevåg, Enrico Haemmerle, Sylvia van Os, Katinka P Bach, Po-Yin Cheung, Georg M Schmölzer
The objective of this randomized controlled manikin trial was to examine tidal volume (VT) delivery and ventilation rate during mask positive pressure ventilation (PPV) with five different devices, including a volume-controlled prototype Next Step™ device for neonatal resuscitation. We hypothesized that VT and rate would be closest to target with the Next Step™. Twenty-five Neonatal Resuscitation Program providers provided mask PPV to a newborn manikin (simulated weight 1 kg) in a randomized order with a self-inflating bag (SIB), a disposable T-piece, a non-disposable T-piece, a stand-alone resuscitation system T-piece, and the Next Step™...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27965948/do-self-and-proxy-reports-of-cognitive-problems-reflect-intellectual-functioning-in-children-and-adolescents-with-congenital-heart-defects
#11
Sandra Buratti, Carmen Ryberg, Malin Broberg, Jan Sunnegårdh
AIM: Children with congenital heart defects (CHD) who suffer from cognitive impairments and school difficulties need to be identified as early as possible in order to set appropriate interventions in place that may enhance the school situation and quality of life for these children. Identifying children and adolescents at risk for cognitive difficulties requires specific screening tools. This study assessed such a tool - Pediatric Quality of Life Inventory Cardiac Module subscale: Cognitive Problems - to investigate whether proxy reported and self-reported cognitive problems were associated with measured intellectual functioning in children and adolescents with CHD treated with surgery or by catheter interventions...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27965947/commentary-blood-eosinophilia-is-associated-with-unfavorable-hospitalization-outcomes-in-children-with-bronchiolitis
#12
COMMENT
Amrita Dosanjh
No abstract text is available yet for this article.
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27933286/viral-infection-in-the-development-and-progression-of-pediatric-acute-respiratory-distress-syndrome
#13
REVIEW
Steven Nye, Richard J Whitley, Michele Kong
Viral infections are an important cause of pediatric acute respiratory distress syndrome (ARDS). Numerous viruses, including respiratory syncytial virus (RSV) and influenza A (H1N1) virus, have been implicated in the progression of pneumonia to ARDS; yet the incidence of progression is unknown. Despite acute and chronic morbidity associated with respiratory viral infections, particularly in "at risk" populations, treatment options are limited. Thus, with few exceptions, care is symptomatic. In addition, mortality rates for viral-related ARDS have yet to be determined...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27933285/developmental-profile-and-diagnoses-in-children-presenting-with-motor-stereotypies
#14
Francesco Cardona, Francesca Valente, Daniela Miraglia, Caterina D'Ardia, Valentina Baglioni, Flavia Chiarotti
INTRODUCTION: Motor stereotypies represent a typical example of the difficulty in distinguishing non-clinical behaviors (physiological and transient) from symptoms or among different disorders ["primary stereotypies," associated with autistic spectrum disorder (ASD), intellectual disabilities, genetic syndromes, and sensory impairment]. The aim of this study was to obtain an accurate assessment on the relationship between stereotypies and neurodevelopmental disorders. METHODS: We studied 23 children (3 girls), aged 36-95 months, who requested a consultation due to the persistence or increased severity of motor stereotypies...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27933284/-we-sometimes-hold-on-to-ours-professionals-views-on-factors-that-both-delay-and-facilitate-transition-to-adult-care
#15
Susie Aldiss, Hilary Cass, Judith Ellis, Faith Gibson
BACKGROUND: The transition from child to adult services is a crucial time in the health of young people who may potentially fall into a poorly managed "care gap." Health service provision, which fails to meet the needs of young people and families at this time of significant change, may result in deterioration in health or disengagement with services, which can have negative long-term consequences. Developing transitional care packages has become a focus of activity in the United Kingdom and elsewhere...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27933283/neonatal-diagnostics-toward-dynamic-growth-charts-of-neuromotor-control
#16
Elizabeth B Torres, Beth Smith, Sejal Mistry, Maria Brincker, Caroline Whyatt
The current rise of neurodevelopmental disorders poses a critical need to detect risk early in order to rapidly intervene. One of the tools pediatricians use to track development is the standard growth chart. The growth charts are somewhat limited in predicting possible neurodevelopmental issues. They rely on linear models and assumptions of normality for physical growth data - obscuring key statistical information about possible neurodevelopmental risk in growth data that actually has accelerated, non-linear rates-of-change and variability encompassing skewed distributions...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27909691/6q24-transient-neonatal-diabetes-how-to-manage-while-waiting-for-genetic-results
#17
Julie Fudvoye, Khaldoun Farhat, Virginie De Halleux, Corina Ramona Nicolescu
Diabetes, rare in the neonatal period, should be evoked in every newborn presenting with unexplained intrauterine and early postnatal growth retardation. This case report illustrates the clinical course and therapeutic approach of a newborn diagnosed with transient diabetes. The baby was born at 37 weeks of gestation with a severe intrauterine growth restriction. Except a mild macroglossia and signs of growth restriction, physical examination was normal. On the fifth day of life, hyperglycemia (180 mg/dl) was noted, and the next day, the diagnosis of diabetes was confirmed (high blood sugar, glucosuria, undetectable levels of insulin and C-peptide)...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27909690/intellectual-functioning-in-children-with-congenital-heart-defects-treated-with-surgery-or-by-catheter-interventions
#18
Carmen Ryberg, Jan Sunnegårdh, Maria Thorson, Malin Broberg
BACKGROUND: Studies suggest that children with congenital heart defects (CHD) are at risk for adverse intellectual functioning. However, factors related to lower intellectual functioning in this group are largely unknown. This study describes intellectual functioning in children with CHD in relation to severity of the heart defect, the child's age, and the socioeconomic status of the family (SES). METHODS: Two hundred twenty-eight children treated with surgery or by catheter technique were tested using the Wechsler intelligence scales to determine full scale IQ (FSIQ)...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27900314/renal-and-cardiovascular-morbidities-associated-with-apol1-status-among-african-american-and-non-african-american-children-with-focal-segmental-glomerulosclerosis
#19
Robert P Woroniecki, Derek K Ng, Sophie Limou, Cheryl A Winkler, Kimberly J Reidy, Mark Mitsnefes, Matthew G Sampson, Craig S Wong, Bradley A Warady, Susan L Furth, Jeffrey B Kopp, Frederick J Kaskel
BACKGROUND AND OBJECTIVES: African-American (AA) children with focal segmental glomerulosclerosis (FSGS) have later onset disease that progresses more rapidly than in non-AA children. It is unclear how APOL1 genotypes contribute to kidney disease risk, progression, and cardiovascular morbidity in children. DESIGN SETTING PARTICIPANTS AND MEASUREMENTS: We examined the prevalence of APOL1 genotypes and associated cardiovascular phenotypes among children with FSGS in the Chronic Kidney Disease in Children (CKiD) study; an ongoing multicenter prospective cohort study of children aged 1-16 years with mild to moderate kidney disease...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27843891/establishment-and-maintenance-of-the-human-na%C3%A3-ve-cd4-t-cell-compartment
#20
REVIEW
Susana L Silva, Ana E Sousa
The naïve CD4(+) T-cell compartment is considered essential to guarantee immune competence throughout life. Its replenishment with naïve cells with broad diverse receptor repertoire, albeit with reduced self-reactivity, is ensured by the thymus. Nevertheless, cumulative data support a major requirement of post-thymic proliferation both for the establishment of the human peripheral naïve compartment during the accelerated somatic growth of childhood, as well as for its lifelong maintenance. Additionally, a dynamic equilibrium is operating at the cell level to fine-tune the T-cell receptor threshold to activation and survival cues, in order to counteract the continuous naïve cell loss by death or conversion into memory/effector cells...
2016: Frontiers in Pediatrics
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