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https://www.readbyqxmd.com/read/27919073/mitochondrial-replacement-in-human-oocytes-carrying-pathogenic-mitochondrial-dna-mutations
#1
Eunju Kang, Jun Wu, Nuria Marti Gutierrez, Amy Koski, Rebecca Tippner-Hedges, Karen Agaronyan, Aida Platero-Luengo, Paloma Martinez-Redondo, Hong Ma, Yeonmi Lee, Tomonari Hayama, Crystal Van Dyken, Xinjian Wang, Shiyu Luo, Riffat Ahmed, Ying Li, Dongmei Ji, Refik Kayali, Cengiz Cinnioglu, Susan Olson, Jeffrey Jensen, David Battaglia, David Lee, Diana Wu, Taosheng Huang, Don P Wolf, Dmitry Temiakov, Juan Carlos Izpisua Belmonte, Paula Amato, Shoukhrat Mitalipov
Maternally inherited mitochondrial (mt)DNA mutations can cause fatal or severely debilitating syndromes in children, with disease severity dependent on the specific gene mutation and the ratio of mutant to wild-type mtDNA (heteroplasmy) in each cell and tissue. Pathogenic mtDNA mutations are relatively common, with an estimated 778 affected children born each year in the United States. Mitochondrial replacement therapies or techniques (MRT) circumventing mother-to-child mtDNA disease transmission involve replacement of oocyte maternal mtDNA...
November 30, 2016: Nature
https://www.readbyqxmd.com/read/27918230/mechanisms-of-cross-talk-between-the-diet-the-intestinal-microbiome-and-the-undernourished-host
#2
Helene Velly, Robert A Britton, Geoffrey A Preidis
Undernutrition remains one of the most pressing global health challenges today, contributing to nearly half of all deaths in children under five years of age. Although insufficient dietary intake and environmental enteric dysfunction are often inciting factors, evidence now suggests that unhealthy gut microbial populations perpetuate the vicious cycle of pathophysiology that results in persistent growth impairment in children. The metagenomics era has facilitated new research identifying an altered microbiome in undernourished hosts and has provided insight into a number of mechanisms by which these alterations may affect growth...
December 5, 2016: Gut Microbes
https://www.readbyqxmd.com/read/27916873/the-effect-of-low-dose-iron-and-zinc-intake-on-child-micronutrient-status-and-development-during-the-first-1000-days-of-life-a-systematic-review-and-meta-analysis
#3
REVIEW
Nicolai Petry, Ibironke Olofin, Erick Boy, Moira Donahue Angel, Fabian Rohner
Adequate supply of micronutrients during the first 1000 days is essential for normal development and healthy life. We aimed to investigate if interventions administering dietary doses up to the recommended nutrient intake (RNI) of iron and zinc within the window from conception to age 2 years have the potential to influence nutritional status and development of children. To address this objective, a systematic review and meta-analysis of randomized and quasi-randomized fortification, biofortification, and supplementation trials in women (pregnant and lactating) and children (6-23 months) delivering iron or zinc in doses up to the recommended nutrient intake (RNI) levels was conducted...
November 30, 2016: Nutrients
https://www.readbyqxmd.com/read/27913921/language-difficulty-at-school-entry-and-the-trajectories-of-hyperactivity-inattention-problems-from-ages-4-to-11-evidence-from-a-population-representative-cohort-study
#4
Shaun Goh Kok Yew, Richard O'Kearney
Latent growth curve modelling was used to contrast the developmental trajectories of hyperactivity-inattention (H-I) problems across childhood for children with a language difficulty at the start of school and those with typical language and to examine if the presence of a language difficulty moderates the associations of child, parent and peer predictors with these trajectories. Unconditional and language-status conditional latent growth curves of H-I problems were estimated for a large nationally representative cohort of children, comprising 1627 boys (280 - language difficulty) and 1609 girls (159 - language difficulty) measured at age 4 to 5, 6 to 7, 8 to 9 and 10 to 11...
December 3, 2016: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/27913773/pediatric-nutrition-assessment-anthropometrics-to-zinc
#5
Kelly Green Corkins, Erin E Teague
Pediatric patients with chronic illnesses or diseases or who require long-term nutrition support are most vulnerable to nutrition-related issues. Malnutrition in a pediatric patient may negatively affect long-term growth and development. Children also become malnourished much more quickly than adults. A comprehensive nutrition assessment that includes food and nutrition-related history, anthropometric measurements, biochemical data, medical tests and procedures, nutrition-focused physical findings, and patient history should be completed on these patients as no one parameter is a comprehensive indicator of nutrition status...
December 2, 2016: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/27912735/the-effect-of-early-measles-vaccination-at-4-5%C3%A2-months-of-age-on-growth-at-9-and-24%C3%A2-months-of-age-in-a-randomized-trial-in-guinea-bissau
#6
S M Rasmussen, S Biering-Sørensen, S Byberg, A Andersen, M Bjerregaard-Andersen, A Rodrigues, C S Benn, C L Martins, P Aaby
BACKGROUND: Providing an early, additional measles vaccine (MV) at 4.5 months of age has been shown to reduce child mortality in low-income countries. We studied the effects on growth at 9 and 24 months of age. METHODS: A randomized controlled trial was conducted in Guinea-Bissau from 2003-2007 including 6,648 children. Children were randomized 1:1:1 to receive Edmonston-Zagreb measles vaccine at 4.5 and 9 months of age (group A), no vaccine at 4.5 months and Edmonston-Zagreb measles vaccine at 9 months (group B), or no vaccine at 4...
December 3, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27910260/impact-of-small-quantity-lipid-based-nutrient-supplements-on-infant-and-young-child-feeding-practices-at-18%C3%A2-months-of-age-results-from-four-randomized-controlled-trials-in-africa
#7
Mary Arimond, Souheila Abbeddou, Chiza Kumwenda, Harriet Okronipa, Jaimie Hemsworth, Elizabeth Yakes Jimenez, Eugenia Ocansey, Anna Lartey, Ulla Ashorn, Seth Adu-Afarwuah, Stephen A Vosti, Sonja Y Hess, Kathryn G Dewey
Optimal infant and young child feeding (IYCF) practices can help ensure nutrient adequacy and support healthy growth and development. Small-quantity lipid-based nutrient supplements (SQ-LNS) have been proposed to help fill nutrient gaps, but little is known about the impact of provision of SQ-LNS on breastfeeding or complementary feeding practices. In the context of four coordinated randomized controlled nutrient supplementation trials in diverse sites in Africa, we compared IYCF practices at infant age 18 months (after 9-12 months of supplementation) between those receiving and not receiving SQ-LNS...
December 2, 2016: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/27908489/parental-smoking-during-pregnancy-shortens-offspring-s-legs
#8
E Żądzińska, S Kozieł, B Borowska-Strugińska, I Rosset, A Sitek, W Lorkiewicz
One of the most severe detrimental environmental factors acting during pregnancy is foetal smoke exposure. The aim of this study was to assess the effect of maternal, paternal and parental smoking during pregnancy on relative leg length in 7- to 10-year-old children. The research conducted in the years 2001-2002 included 978 term-born children, 348 boys and 630 girls, at the age of 7-10 years. Information concerning the birth weight of a child was obtained from the health records of the women. Information about the mother's and the father's smoking habits during pregnancy and about the mothers' education level was obtained from a questionnaire...
June 29, 2016: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/27900779/mosaic-nras-q61r-mutation-in-a-child-with-giant-congenital-melanocytic-naevus-epidermal-naevus-syndrome-and-hypophosphataemic-rickets
#9
R Ramesh, N Shaw, E K Miles, B Richard, I Colmenero, C Moss
The association of hypophosphataemic rickets with verrucous epidermal naevus (EN) and elevated fibroblast growth factor 23 levels is known as cutaneous-skeletal hypophosphataemia syndrome (CSHS), and can be caused by somatic activating mutations in RAS genes. We report a unique patient with CSHS associated with giant congenital melanocytic naevus (CMN), neurocutaneous melanosis and EN syndrome, manifesting as facial linear sebaceous naevus, developmental delay and ocular dermoids. An activating mutation Q61R in the NRAS gene was found in affected skin and ocular tissue but not blood, implying that the disparate manifestations are due to a multilineage activating mutation (mosaic RASopathy)...
November 30, 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27899001/drug-interventions-for-the-treatment-of-obesity-in-children-and-adolescents
#10
REVIEW
Emma Mead, Greg Atkinson, Bernd Richter, Maria-Inti Metzendorf, Louise Baur, Nicholas Finer, Eva Corpeleijn, Claire O'Malley, Louisa J Ells
BACKGROUND: Child and adolescent obesity has increased globally, and can be associated with significant short- and long-term health consequences. OBJECTIVES: To assess the efficacy of drug interventions for the treatment of obesity in children and adolescents. SEARCH METHODS: We searched CENTRAL, MEDLINE, Embase, PubMed (subsets not available on Ovid), LILACS as well as the trial registers ICTRP (WHO) and ClinicalTrials.gov. Searches were undertaken from inception to March 2016...
November 29, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27898606/facial-nerve-meningioma-a-cause-of-pediatric-facial-weakness
#11
Nicholas L Deep, Sharon H Gnagi, David F Carpentieri, P David Adelson, Peter A Weisskopf
OBJECTIVE: To present an unusual case of a temporal bone meningioma with intrafascicular spread throughout the temporal facial nerve from cerebellopontine angle (CPA) to stylomastoid foramen. PATIENT: Four-year-old female with progressive facial weakness and normal hearing. MAIN OUTCOME MEASURE: Clinical, radiological, and histopathological findings of temporal bone meningiomas. RESULTS: A patient presented with progressive facial weakness and normal hearing...
November 24, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27896427/predictors-of-motor-developmental-milestones-during-the-first-year-of-life
#12
Trine Flensborg-Madsen, Erik Lykke Mortensen
: Studies suggest that both pre- and postnatal factors are predictors of age of attaining milestones in infancy. However, no studies evaluate the comparative strength of these predictors and the amount of the variance in development they explain. This study aimed to conduct a systematic evaluation of a broad selection of possible predictors of age at milestone attainment and to identify factors that explain significant inter-individual variance. Mothers of 5765 children of the Copenhagen Perinatal Cohort (1959-61) recorded 12 developmental milestones prospectively during the child's first year of life...
November 28, 2016: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27891832/cortisol-in-human-milk-predicts-child-bmi
#13
Jennifer Hahn-Holbrook, Tran Bao Le, Anna Chung, Elysia Poggi Davis, Laura M Glynn
OBJECTIVE: Breastfeeding has been linked to lower rates of childhood obesity. Human milk contains cortisol, known to regulate glucose storage and metabolism. The aim of this study was to to test the hypothesis that early exposure to cortisol in human breast milk helps to modulate infant body mass index (BMI) trajectories over the first 2 years of life. METHODS: Growth curve modeling was used to examine whether infant exposure to cortisol in human milk at 3 months predicted changes in child body mass index percentile (BMIP) at 6, 12, and 24 months of age in 51 breastfeeding mother-child pairs...
December 2016: Obesity
https://www.readbyqxmd.com/read/27891590/bi-allelic-iars-mutations-in-a-child-with-intra-uterine-growth-retardation-neonatal-cholestasis-and-mild-developmental-delay
#14
Naama Orenstein, Karin Weiss, Stephanie N Oprescu, Rivka Shapira, Dvora Kidron, Lina Vanagaite-Basel, Anthony Antonellis, Maximilian Muenke
Recently, bi-allelic mutations in cytosolic isoleucyl-tRNA synthetase (IARS) have been described in three individuals with growth delay, hepatic dysfunction, and neurodevelopmental disabilities. Here we report an additional subject with this condition identified by whole-exome sequencing. Our findings support the association between this disorder and neonatal cholestasis with distinct liver pathology. Furthermore, we provide functional data on two novel missense substitutions and expand the phenotype to include mild developmental delay, skin hyper-elasticity, and hypervitaminosis D...
November 28, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/27891309/evaluation-of-dental-and-bone-age-in-iron-deficient-anemic-children-of-south-india
#15
Vinod Kumar, Harish Haridas, Prahlad Hunsigi, Umar Farooq, Sridhar R Erugula, Kranti K R Ealla
AIMS AND OBJECTIVES: Dental and bone age is very essential for the dental practitioner in planning treatments and is an extra source of information for the pediatrician, orthopedician, and endocrinologist. There are few published data regarding collation between dental age, bone age, and chronological age in iron-deficiency anemic children. This study has been undertaken to evaluate and compare dental age, bone age, and chronological age in children with iron-deficiency anemia. MATERIALS AND METHODS: One hundred iron-deficiency anemic children were selected in the age group of 8-14 years...
September 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27891191/birth-weight-for-gestational-age-is-associated-with-dna-methylation-at-birth-and-in-childhood
#16
Golareh Agha, Hanine Hajj, Sheryl L Rifas-Shiman, Allan C Just, Marie-France Hivert, Heather H Burris, Xihong Lin, Augusto A Litonjua, Emily Oken, Dawn L DeMeo, Matthew W Gillman, Andrea A Baccarelli
BACKGROUND: Both higher and lower fetal growth are associated with cardio-metabolic health later in life, suggesting that prenatal developmental programming determines long-term cardiovascular disease risk. Epigenetic mechanisms, which orchestrate fetal growth and development, may offer insight on the early programming of health and disease. We investigated whether birth weight-for-gestational is associated with DNA methylation at birth and mid-childhood, measured via the Infinium 450K array...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27889923/normal-radiological-unossified-hip-joint-space-and-femoral-head-size-development-during-growth-in-675-children-and-adolescents
#17
Veronika Wegener, Gabriele Jorysz, Andreas Arnoldi, Sandra Utzschneider, Bernd Wegener, Volkmar Jansson, Bernhard Heimkes
Evaluation of hip joint space width during child growth is important to aid in the early diagnosis of hip pathology in children. We established reference values for hip joint space and femoral head size for each age. Hip joint space development during growth was retrospectively investigated medial and cranial in 1350 hip joints of children using standard anteroposterior supine plain pelvic radiographs. Maximum capital femoral epiphysis diameter and femoral radii were further more investigated. Hip joint space values show a slow decline during growth...
November 7, 2016: Clinical Anatomy
https://www.readbyqxmd.com/read/27889732/distal-renal-tubular-acidosis-associated-with-celiac-disease-and-thyroiditis
#18
Amit Kumar Satapathy, Sapna Mittal, Vandana Jain
BACKGROUND: Association of distal renal tubular acidosis (RTA) with autoimmune diseases is extremely rare in children. CASE CHARACTERISTICS: 12-year-old girl with distal RTA. Despite resolution of acidosis on bicarbonate, she continued to have poor growth and delayed puberty. Investigations revealed autoimmune thyroiditis and celiac disease. OUTCOME: Levothyroxine and gluten-free diet were initiated. Child gained height and weight and had onset of puberty after gluten withdrawal...
November 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27889728/pediatric-inflammatory-bowel-disease
#19
Akshay Kapoor, Vidyut Bhatia, Anupam Sibal
Background: The incidence of inflammatory bowel disease is increasing in the pediatric population worldwide. NEED AND PURPOSE OF REVIEW: There is paucity of high quality scientific data regarding pediatric inflammatory bowel disease. Most of the guidelines are offshoots of work done in adults, which have been adapted over time to diagnose and treat pediatric patients. This is in part related to the small numbers in pediatric inflammatory bowel disease and less extensive collaboration for multicentric trials both nationally and internationally...
November 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27886192/phytanic-acid-attenuates-insulin-like-growth-factor-1-activity-via-nitric-oxide-mediated-%C3%AE-secretase-activation-in-rat-aortic-smooth-muscle-cells-possible-implications-for-pathogenesis-of-infantile-refsum-disease
#20
Gursev S Dhaunsi, Mayra Alsaeid, Saghir Akhtar
BACKGROUND: Infantile Refsum disease (IRD), a peroxisomal disease with defective phytanic acid oxidation, causes neurological impairment and development delay. Insulin-like growth factor-1 (IGF-1) regulates child development and to understand molecular mechanism(s) of IRD, we examined the effect of PA on IGF-1 activity. METHODS: BrdU incorporation was measured in rat aortic smooth muscle cell (SMC) cultures following treatment with fetal bovine serum (FBS), basic fibroblast growth factor (bFGF), platelet-derived growth factor (PDGF) or IGF-1 in the absence or presence of PA...
November 25, 2016: Pediatric Research
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