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Iron and neonate

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https://www.readbyqxmd.com/read/28623611/deferiprone-rescues-behavioral-deficits-induced-by-mild-iron-exposure-in-a-mouse-model-of-alpha-synuclein-aggregation
#1
Eleonora Carboni, Lars Tatenhorst, Lars Tönges, Elisabeth Barski, Vivian Dambeck, Mathias Bähr, Paul Lingor
Parkinson's disease (PD) is the most common neurodegenerative movement disorder, and its causes remain unknown. A major hallmark of the disease is the increasing presence of aggregated alpha-synuclein (aSyn). Furthermore, there is a solid consensus on iron (Fe) accumulation in several regions of PD brains during disease progression. In our study, we focused on the interaction of Fe and aggregating aSyn in vivo in a transgenic mouse model overexpressing human aSyn bearing the A53T mutation (prnp.aSyn.A53T). We utilized a neonatal iron-feeding model to exacerbate the motor phenotype of the transgenic mouse model...
June 16, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/28622781/-iron-requirements-during-the-first-6-months-of-life
#2
A Lapillonne, O Becquet
Because of the postnatal redistribution of the iron store, the term infant born after an uneventful pregnancy virtually needs no iron during its first 6 months of life. On the other hand, several factors, such as duration of gestation, gender, mother's iron status, alteration of the iron placental transfer, significantly influence the iron store at birth. Because of their reduced body store at birth and their higher demand during catch-up growth, low birth weight infants should receive an iron supplement, which should be started earlier and given at a higher dose in the more premature infants...
May 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28583802/cyp1b1-deletion-and-retinol-deficiency-coordinately-suppress-mouse-liver-lipogenic-genes-and-hepcidin-expression-during-post-natal-development
#3
Meghan Maguire, Michele Campaigne Larsen, Yee Hoon Foong, Sherry Tanumihardjo, Colin R Jefcoate
Cyp1b1 deletion and gestational vitamin A deficiency (GVAD) redirect adult liver gene expression. A matched sufficient pre- and post-natal diet, which has high carbohydrate and normal iron content (LF12), increased inflammatory gene expression markers in adult livers that were suppressed by GVAD and Cyp1b1 deletion. At birth on the LF12 diet, Cyp1b1 deletion and GVAD each suppress liver expression of the iron suppressor, hepcidin (Hepc), while increasing stellate cell activation markers and suppressing post-natal increases in lipogenesis...
June 2, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28561815/effects-of-therapeutic-hypothermia-on-white-matter-injury-from-murine-neonatal-hypoxia-ischemia
#4
Elliot Koo, R Ann Sheldon, Byong Sop Lee, Zinaida S Vexler, Donna M Ferriero
BackgroundTherapeutic hypothermia (TH) is the standard of care for neonates with hypoxic-ischemic encephalopathy, but it is not fully protective in the clinical setting. Hypoxia-ischemia (HI) may cause white matter injury (WMI), leading to neurological and cognitive dysfunction.MethodsP9 mice were subjected to HI as previously described. Pups underwent 3.5 h of systemic hypothermia or normothermia. Cresyl violet and Perl's iron staining for histopathological scoring of brain sections was completed blindly on all brains...
May 31, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28532720/the-dietary-composition-of-women-who-delivered-preterm-and-full-term-infants
#5
Wioletta Waksmańska, Rafał Bobiński, Izabela Ulman-Włodarz, Anna Pielesz, Monika Mikulska
OBJECTIVES: Literature data show that excess and primary deficiency in particular nutrients, vitamins and minerals may lead to pre-eclampsia, gestational diabetes, hypertension and neural tube defects in the foetus. The aim of the study was to determine differences in average daily consumption of selected nutrients during pregnancy in women who did not supplement their diet and to evaluate the influence of dietary habits on the occurrence of pre-term delivery and hypertension in pregnant women...
June 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28526433/risk-of-low-birth-weight-and-micronutrient-deficiencies-in-neonates-from-mothers-after-gastric-bypass-a-case-control-study
#6
Geraldine Gascoin, Maxime Gerard, Agnès Sallé, Guillaume Becouarn, Stephanie Rouleau, Loïc Sentilhes, Régis Coutant
BACKGROUND: An increased risk of small-for-gestational-age infants after maternal bariatric surgery has been shown. The risk of micronutrients deficiencies in these neonates is unclear. OBJECTIVE: To screen for micronutrients deficiencies in newborns of mothers with gastric bypass. SETTINGS: University hospital in Angers, France. METHODS: This study compared the clinical and cord blood biological characteristics of 56 newborns of mothers with prior Roux-en-Y gastric bypass (RYGB) and 56 newborns of nonobese healthy mothers after normal pregnancy (controls), followed between January 3, 2008 and October 31, 2012...
March 27, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28512386/oxidative-stress-biomarkers-establishment-of-reference-values-for-isoprostanes-aopp-and-npbi-in-cord-blood
#7
Mariangela Longini, Elisa Belvisi, Fabrizio Proietti, Francesco Bazzini, Giuseppe Buonocore, Serafina Perrone
Oxidative stress (OS) is a common pathogenic factor involved in the onset of several diseases in humans, from immunologic disorders to malignancy, being a serious public health problem. In perinatal period, OS has been associated with adverse outcome of pregnancy and neonatal diseases. Dangerous effects of OS are mediated by increased production of free radicals (FRs) following various mechanisms, such as hypoxia, ischemia reperfusion, hyperoxia, inflammation, mitochondrial dysfunction, Fenton chemistry, and prostaglandin metabolism...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28510997/impact-of-m-health-application-used-by-community-health-volunteers-on-improving-utilization-of-maternal-newborn-and-child-health-care-services-in-a-rural-area-of-uttar-pradesh-india
#8
Shankar Prinja, Ruby Nimesh, Aditi Gupta, Pankaj Bahuguna, Madhu Gupta, Jarnail Singh Thakur
OBJECTIVE: To raise the quality of counselling by community health volunteers resulting in improved uptake of maternal, neonatal and child health services (MNCH), an m-health application was introduced under a project named 'Reducing Maternal and Newborn Deaths (ReMiND)' in district Kaushambi in India. We report the impact of this project on coverage of key MNCH services. METHODS: A pre and post quasi-experimental design was undertaken to assess the impact of intervention...
May 16, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28505363/impact-of-high-iron-intake-on-cognition-and-neurodegeneration-in-humans-and-in-animal-models-a-systematic-review
#9
Sonal Agrawal, Kiersten L Berggren, Eileen Marks, Jonathan H Fox
Accumulation of brain iron is linked to aging and protein-misfolding neurodegenerative diseases. High iron intake may influence important brain health outcomes in later life. The aim of this systematic review was to examine evidence from animal and human studies of the effects of high iron intake or peripheral iron status on adult cognition, brain aging, and neurodegeneration. MEDLINE, Scopus, CAB Abstracts, the Cochrane Central Register of Clinical Trials, and OpenGrey databases were searched. Studies investigating the effect of elevated iron intake at all postnatal life stages in mammalian models and humans on measures of adult brain health were included...
May 15, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28503958/neonatal-management-and-outcome-in-alloimmune-hemolytic-disease
#10
Isabelle M C Ree, Vivianne E H J Smits-Wintjens, Johanna G van der Bom, Jeanine M M van Klink, Dick Oepkes, Enrico Lopriore
Hemolytic disease of the fetus and newborn (HDFN) occurs when fetal and neonatal erythroid cells are destroyed by maternal erythrocyte alloantibodies, it leads to anemia and hydrops in the fetus, and hyperbilirubinemia and kernicterus in the newborn. Postnatal care consists of intensive phototherapy and exchange transfusions to treat severe hyperbilirubinemia and top-up transfusions to treat early and late anemia. Other postnatal complications have been reported such as thrombocytopenia, iron overload and cholestasis requiring specific management...
June 5, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28494220/effects-of-recombinant-human-lactoferrin-on-osteoblast-growth-and-bone-status-in-piglets
#11
Qiuling Li, Jie Zhao, Wenping Hu, Jianwu Wang, Tian Yu, Yunping Dai, Ning Li
Lactoferrin (LF), an ~80 kDa iron-binding glycoprotein, modulates many biological effects, including antimicrobial and immunomodulatory activities. Recently, it was shown that LF also regulates bone cell activity, suggesting its therapeutic effect on postmenopausal bone loss. However, a minimal amount is known regarding the effects of recombinant human LF (rhLF) supplementation on bone status in young healthy infants. We found osteoblast cell differentiation was significantly promoted in vitro. Furthermore, treatment of human osteoblast cells with rhLF rapidly induced phosphorylation of p44/p42 mitogen-activated protein kinase (p44/p42 MAPK, ERK1/2)...
May 11, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28491927/iron-supplements-for-infants-at-risk-for-iron-deficiency
#12
Brianna C MacQueen, Vickie L Baer, Danielle M Scott, Con Yee Ling, Elizabeth A O'Brien, Caitlin Boyer, Erick Henry, Robert E Fleming, Robert D Christensen
Professional societies have published recommendations for iron dosing of preterm neonates, but differences exist between guidelines. To help develop standardized guidelines, we performed a 10-year analysis of iron dosing in groups at risk for iron deficiency: IDM (infants of diabetic mothers), SGA (small for gestational age), and VLBW premature neonates (very low birth weight, <1500 g). We analyzed iron dosing after red cell transfusions and erythropoiesis-stimulating agents (ESA). Of IDM, 11.8% received iron in the hospital; 9...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28480843/prognostic-risk-of-obstetric-and-perinatal-complications-in-pregnant-women-with-thyroid-dysfunction
#13
N Morchiladze, B Tkeshelashvili, T Gagua, D Gagua
Maternal thyroid pathology takes important role in obstetric and peri-neonatal morbidity structure. Despite of the number of studies conducted in the field of thyroid disorders of pregnant females, the definition of influence of thyroid gland dysfunction on maternal and neonatal health still remains actual. The mentioned topics draw specific interest in the aspect of prognosticaiton of complications and unfavorable outcome. Aim of the study - to define the specificities of gestation period and determine the prognostic risk of obstetric and perinatal complications in pregnant females with thyroid pathology...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28468867/medication-errors-by-caregivers-at-home-in-neonates-discharged-from-the-neonatal-intensive-care-unit
#14
Ritanshu Solanki, Nivedita Mondal, Thulasingam Mahalakshmy, Vishnu Bhat
OBJECTIVE: To determine the frequency of medication errors by caregivers at home in neonates discharged from the neonatal intensive care unit and to identify the associated risk factors. METHODS: A descriptive, cross-sectional study was conducted in the High Risk Newborn Follow-up Clinic of our institute, on a sample of 166 children, <3 months old. The medications prescribed (syrup preparations of vitamin D, multivitamins, calcium, iron and levetiracetam, tablet L-thyroxine and ursodeoxycholic acid and human milk fortifier powder) were noted from the discharge summary...
May 3, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28435981/-iron-metabolism-and-neonatal-hypoxic-ischemic-brain-damage
#15
Kai-Yu Xu, Fan Li
Iron is an essential element for nervous system development, and maintaining a normal iron level in nervous system is controlled by multiple factors. Recent studies reported that iron dysregulation and the following iron metabolic pathways played an important role in hypoxic ischemic brain damage (HIBD) in neonates. Circulatory iron level is altered after hypoxia-ischemia exposure, which may cause abnormal iron deposition in the nervous system followed by neuronal injury. Finding the causing factors for abnormal iron metabolism after hypoxia-ischemia exposure, as well as understanding the mechanisms how iron metabolism contributes to HIBD, will shed lights on HIBD prevention and treatment...
April 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28433798/randomized-trial-of-early-erythropoietin-supplementation-after-preterm-birth-iron-metabolism-and-outcome
#16
O M Peltoniemi, E Anttila, T Kaukola, G Buonocore, M Hallman
BACKGROUND: Excess of iron and oxidant injury shortly after birth may be associated with neonatal morbidities in preterm infants. AIMS: The aim was to determine whether administration of erythropoietin without iron supplementation decreases iron load and morbidity. STUDY DESIGN AND SUBJECTS: In a randomized trial, we administered erythropoietin (EPO 250IU/kg daily during the first 6days of life) or placebo to 39 preterm infants (BW 700-1500g, GA≤30...
April 20, 2017: Early Human Development
https://www.readbyqxmd.com/read/28407219/multiple-micronutrient-supplementation-for-women-during-pregnancy
#17
REVIEW
Batool A Haider, Zulfiqar A Bhutta
BACKGROUND: Multiple-micronutrient (MMN) deficiencies often coexist among women of reproductive age in low- to middle-income countries. They are exacerbated in pregnancy due to the increased demands, leading to potentially adverse effects on the mother and developing fetus. Though supplementation with MMNs has been recommended earlier because of the evidence of impact on pregnancy outcomes, a consensus is yet to be reached regarding the replacement of iron and folic acid supplementation with MMNs...
April 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28399115/neonatal-mouse-hippocampus-phlebotomy-induced-anemia-diminishes-and-treatment-with-erythropoietin-partially-rescues-mammalian-target-of-rapamycin-signaling
#18
Diana J Wallin, Tara G Zamora, Michelle Alexander, Kathleen M Ennis, Phu V Tran, Michael K Georgieff
BackgroundPhlebotomy-induced anemia (PIA) is common in premature infants and affects neurodevelopment. PIA alters hippocampal metabolism in neonatal mice through tissue hypoxia and iron deficiency. The mammalian target of rapamycin (mTOR) pathway senses the status of critical metabolites (e.g., oxygen, iron), thereby regulating hippocampal growth and function. We determined the effect of PIA and recombinant human erythropoietin (rHuEpo) treatment on mTOR signaling and expression of genes related to mTOR pathway functions...
May 31, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28377269/multivitamin-use-and-adverse-birth-outcomes-in-high-income-countries-a-systematic-review-and-meta-analysis
#19
REVIEW
Hanne T Wolf, Hanne K Hegaard, Lene D Huusom, Anja B Pinborg
BACKGROUND: In high-income countries, a healthy diet is widely accessible. However, a change toward a poor-quality diet with a low nutritional value in high-income countries has led to an inadequate vitamin intake during pregnancy. OBJECTIVE: We conducted a systematic review and meta-analysis to evaluate the association between multivitamin use among women in high-income countries and the risk of adverse birth outcomes (preterm birth [primary outcome], low birthweight, small for gestational age, stillbirth, neonatal death, perinatal mortality, and congenital anomalies without further specification)...
April 2, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28367192/correlation-between-maternal-and-childhood-vitb12-folic-acid-and-ferritin-levels
#20
Fatima Zeeshan, Attia Bari, Saima Farhan, Uzma Jabeen, Ahsan Waheed Rathore
OBJECTIVE: To determine the correlation between serum folic acid, vitamin B12 and ferritin of mother and child and to study various neonatal risk factors as a cause of anemia in children. METHODS: One hundred eighty children two months to two years of age admitted in the department of Pediatric Medicine of The Children's Hospital and The Institute of Child Health Lahore from January 2013 to January 2015 with common medical conditions having anemia were included...
January 2017: Pakistan Journal of Medical Sciences Quarterly
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