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anemia AND memory AND children

Marianne Wessling-Resnick
What effects might arise from early life exposures to high iron? This review considers the specific effects of high iron on the brain, stem cells, and the process of erythropoiesis and identifies gaps in our knowledge of what molecular damage may be incurred by oxidative stress that is imparted by high iron status in early life. Specific areas to enhance research on this topic include the following: longitudinal behavioral studies of children to test associations between iron exposures and mood, emotion, cognition, and memory; animal studies to determine epigenetic changes that reprogram brain development and metabolic changes in early life that could be followed through the life course; and the establishment of human epigenetic markers of iron exposures and oxidative stress that could be monitored for early origins of adult chronic diseases...
December 2017: American Journal of Clinical Nutrition
Kasiani C Myers, Sharon Sauter, Xue Zhang, Jacob J Bleesing, Stella M Davies, Susanne I Wells, Parinda A Mehta, Ashish Kumar, Daniel Marmer, Rebecca Marsh, Darron Brown, Melinda Butsch Kovacic
BACKGROUND: Fanconi anemia (FA) is a rare genetic disorder characterized by genome instability, bone marrow failure, and cancer predisposition. Previously, small studies have reported heterogeneous immune dysfunction in FA. PROCEDURE: We performed a detailed immunologic assessment in a large FA cohort who have not undergone bone marrow transplantation or developed malignancies. Comprehensive quantitative and functional immunologic assessment of 29 FA individuals was compared to healthy age-matched controls...
November 2017: Pediatric Blood & Cancer
Evans Raballah, Prakasha Kempaiah, Zachary Karim, George O Orinda, Michael F Otieno, Douglas J Perkins, John Michael Ong'echa
In Plasmodium falciparum holoendemic transmission regions of western Kenya, life-threatening pediatric malaria manifests primarily as severe malarial anemia (SMA, Hb≤6.0 g/dL with any density parasitemia). To determine the role that CD4+ T-cell-driven inflammatory responses have in the pathogenesis of SMA, peripheral CD4+ T-cell populations and their intracellular production of pro-inflammatory cytokines (IFN-γ and IL-17) were characterized in children aged 12-36 months of age stratified into two groups: non-severe malarial anemia (non-SMA, Hb≥6...
2017: PloS One
Samantha Nunes, Nayara Argollo, Marivania Mota, Camilo Vieira, Eduardo Pondé de Sena
BACKGROUND: Individuals with sickle cell anemia may suffer symptomatic or silent cerebral infarcts leading to neurocognitive complications. This study investigated the cognitive and intellectual performance of children and adolescents with sickle cell anemia. METHODS: The socioeconomic status, clinical aspects and behavioral profile of 15 young individuals with sickle cell anemia were evaluated. The Wechsler Intelligence Scale for Children, the Developmental Neuropsychological Assessment Test, and the Child Behavior Checklist were applied...
January 2017: Revista Brasileira de Hematologia e Hemoterapia
Somashekhar Marutirao Nimbalkar, Dipen Vasudev Patel, Ajay Gajanan Phatak
OBJECTIVE: Micronutrient deficiencies can lead to anemia, growth restriction, and poor motor and cognitive development. A clinical trial was planned to assess the impact of nutritional supplementation on cognitive measures in preschool children. Conducting clinical trials in children is difficult due to underlying laws, hesitation of the research community, and difficult enrollment. We carried out a questionnaire-based feasibility survey to assess the interest of parents towards participation in such a nutrition-based study...
2016: PloS One
Olubusola B Oluwole, Robert B Noll, Daniel G Winger, Olu Akinyanju, Enrico M Novelli
BACKGROUND: Cognitive impairment is a major neurological complication of sickle cell anemia (SCA) in the United States, but there are limited studies of cognitive impairment in Nigeria, the country with the highest SCA burden. We hypothesized that children from Nigeria with SCA have worse cognitive functioning than comparison children and explored the association between lower cognitive functioning and key laboratory demographic and socioeconomic variables among children with SCA. PROCEDURE: We conducted a cross-sectional survey, supplemented by anthropomorphic and laboratory data, among a convenience sample of children from Nigeria with and without SCA...
November 2016: Pediatric Blood & Cancer
Gauthamen Rajendran, Padinharath Krishnakumar, Moosa Feroze, Veluthedath Kuzhiyil Gireeshan
OBJECTIVE: To study the cognitive functions and psychological problems in children with Sickle cell anemia (SCA). METHODS: Children with SCA were compared with an age, sex- and community- matched control group of children with no SCA. Malins Intelligence Scale for Indian children, modified PGI memory scale, and Childhood Psychopathology Measurement Schedule were used to assess cognitive functions and psychological problems. RESULTS: Verbal quotient, performance quotient and intelligence quotient in SCA group were 77, 81, 78, respectively versus 92, 95, 93, respectively in non-SCA group (P <0...
June 8, 2016: Indian Pediatrics
Palittiya Sintusek, Voranush Chongsrisawat, Yong Poovorawan
OBJECTIVE: Wilson's disease (WD) is a rare autosomal recessive disorder characterized by copper accumulation. Clinical presentations are extraordinarily diverse, and currently no single diagnostic test can confirm WD with high accuracy. A complete understanding of the presentations and improved diagnostic methods are important for disease management. The authors' aimed to examine disease characteristics, management, and treatment outcome of WD in children, especially when genetic analysis and liver copper measurements were limited...
February 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
Wilson L Mandala, Chisomo L Msefula, Esther N Gondwe, James J Gilchrist, Stephen M Graham, Paul Pensulo, Grace Mwimaniwa, Meraby Banda, Terrie E Taylor, Elizabeth E Molyneux, Mark T Drayson, Steven A Ward, Malcolm E Molyneux, Calman A MacLennan
Lymphocytes are implicated in immunity and pathogenesis of severe malaria. Since lymphocyte subsets vary with age, assessment of their contribution to different etiologies can be difficult. We immunophenotyped peripheral blood from Malawian children presenting with cerebral malaria, severe malarial anemia, and uncomplicated malaria (n = 113) and healthy aparasitemic children (n = 42) in Blantyre, Malawi, and investigated lymphocyte subset counts, activation, and memory status. Children with cerebral malaria were older than those with severe malarial anemia...
November 18, 2015: Clinical and Vaccine Immunology: CVI
Lindsay M Anderson, Taryn M Allen, Courtney D Thornburg, Melanie J Bonner
Children with sickle cell disease (SCD) report fatigue in addition to acute and chronic pain, which can decrease overall health-related quality of life (HRQL). The primary objective of the current study was to investigate the relationship between fatigue and HRQL. Given limited prior research, secondary objectives included investigation of associations between fatigue and functional outcomes, including child neurocognitive and social-emotional functioning. Children aged 8 to 16 years (N=32) and a caregiver completed measures of fatigue, HRQL, pain, and neurocognitive and social-emotional functioning...
November 2015: Journal of Pediatric Hematology/oncology
Ioannis Bakoyiannis, Eleana Gkioka, Afrodite Daskalopoulou, Laskarina-Maria Korou, Despina Perrea, Vasilios Pergialiotis
Iron deficiency (ID) is a major public health problem worldwide among children aged 0-12 months. Several factors seem to contribute to the iron-deficient state in infancy, including insufficient antenatal and neonatal iron supplementation, exclusive breastfeeding, and early umbilical cord clamping after birth. The most concerning complications of ID, except for anemia, are related to altered long-term neurodevelopment. Clinical studies have shown a negative impact of ID anemia on fetal and neonatal behavior including impairments of motor maturity, autonomic response, memory/learning, and mood...
2015: Reviews in the Neurosciences
Hylemariam Mihiretie, Bineyam Taye, Aster Tsegaye
Background. Anemia is one of the most commonly observed hematological abnormalities and an independent prognostic marker of HIV disease. The aim of this study was to determine the magnitude of anemia and associated factors among pediatric HIV/AIDS patients attending Zewditu Memorial Hospital (ZMH) ART Clinic in Addis Ababa, Ethiopia. Methods. A cross-sectional study was conducted among pediatric HIV/AIDS patients of Zewditu Memorial Hospital (ZMH) between August 05, 2013, and November 25, 2013. A total of 180 children were selected consecutively...
2015: Anemia
Hylemariam Mihiretie Mengist, Bineyam Taye, Aster Tsegaye
BACKGROUND: Intestinal parasites (IPs) are major concerns in most developing countries where HIV/AIDS cases are concentrated and almost 80% of AIDS patients die of AIDS-related infections. In the absence of highly active antiretroviral therapy (HAART), HIV/AIDS patients in developing countries unfortunately continue to suffer from the consequences of opportunistic and other intestinal parasites. The aim of the study was to determine the prevalence of intestinal parasites in relation to CD4+ T cells levels and anemia among HAART initiated and HAART naïve pediatric HIV patients in a Model ART center in Addis Ababa, Ethiopia...
2015: PloS One
Howard M Lederman, Margaret A Connolly, Ram Kalpatthi, Russell E Ware, Winfred C Wang, Lori Luchtman-Jones, Myron Waclawiw, Jonathan C Goldsmith, Andrea Swift, James F Casella
BACKGROUND AND OBJECTIVE: Susceptibility to encapsulated bacteria is well known in sickle cell disease (SCD). Hydroxyurea use is common in adults and children with SCD, but little is known about hydroxyurea's effects on immune function in SCD. Because hydroxyurea inhibits ribonucleotide reductase, causing cell cycle arrest at the G1-S interface, we postulated that hydroxyurea might delay transition from naive to memory T cells, with inhibition of immunologic maturation and vaccine responses...
October 2014: Pediatrics
Alecia J Leonard, Kerry A Chalmers, Clare E Collins, Amanda J Patterson
Rates of iron deficiency are high amongst healthy young women. Cognitive impairment occurs secondary to iron deficiency in infants and children, but evaluation of the impact on cognition among young women is inconsistent. The aim was to determine the suitability of the IntegNeuro test battery for assessing cognitive function in iron-deficient and iron-sufficient young women. A pilot double-blinded, placebo-controlled intervention trial was conducted in iron-deficient (serum ferritin ≤ 20 μg/L and haemoglobin > 120 g/L) and iron-sufficient young women (18-35 years)...
June 2014: Nutrients
Paul Bangirana, Robert O Opoka, Michael J Boivin, Richard Idro, James S Hodges, Regilda A Romero, Elsa Shapiro, Chandy C John
BACKGROUND: Cerebral malaria (CM) is associated with long-term neurocognitive impairment in children ≥5 years of age. No prospective studies to date have assessed neurocognitive impairment in children with CM <5 years of age, or in children with severe malarial anemia (SMA), a form of severe malaria estimated to affect as many as 5 million children annually. METHODS: Children <5 years of age presenting to Mulago Hospital, Kampala, Uganda, with CM (n = 80) or SMA (n = 86) were assessed for overall cognitive ability, attention, and associative memory 1 week after discharge and 6 and 12 months later...
August 1, 2014: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Mary Iampietro, Tania Giovannetti, Reem Tarazi
Children with sickle cell disease (SCD) suffer from systemic processes (e.g., chronic anemia, recurrent hypoxic-ischemic events, chronic inflammation) that have been associated with neurocognitive impairment in a range of clinical populations, but which have been largely understudied in relation to specific domains of cognitive functioning in children with SCD. This review focuses on episodic memory, as the hippocampus may be especially vulnerable to the systemic processes associated with SCD. The first part of the paper outlines the pathophysiology of SCD and briefly reviews the extant literature on academic and cognitive functioning in children with SCD, emphasizing the dearth of research on episodic memory...
June 2014: Neuropsychology Review
Ashley B Breton, Julia A Fox, Mary P Brownson, Matthew D McEchron
OBJECTIVES: Developmental iron deficiency (ID) has been shown to put children at risk for compromised learning and memory capacity, and it has also been shown to impair hippocampus-dependent forms of memory as well as hippocampal synaptic transmission. Catecholamines are known to play a pivotal role in memory consolidation, and studies have demonstrated that perinatal ID alters dopaminergic systems in various brain areas. It is not known, however, whether perinatal ID impairs dopaminergic synaptic plasticity in learning and memory structures such as the hippocampus...
August 2015: Nutritional Neuroscience
Florencia Lopez Boo, Giordano Palloni, Sergio Urzua
This paper estimates the cost-benefit ratio for an integrated early childhood development program in Nicaragua (PAININ). Using longitudinal data, we estimate the average treatment effects of PAININ including micronutrient sprinkles on the prevalence of anemia and hemoglobin levels among disadvantaged children aged 6-36 months. We also estimate the effects of PAININ excluding sprinkles on cognitive outcomes among children aged 2.5-5 years. In the younger age group the program reduced anemia by 4 percentage points after 8 months and nearly 6 percentage points after 1 year; the latter is a 26% decrease in anemia...
January 2014: Annals of the New York Academy of Sciences
Memorie Nichols, Aryeh D Stein, Judith Lupo Wold
OBJECTIVES: We evaluated the health status of migrant farmworkers' children served by the Farm Worker Family Health Program (FWFHP) in Moultrie, Georgia. METHODS: We analyzed data from children aged 0 to 16 years examined through the FWFHP from 2003 to 2011 (n across years = 179-415). We compared their prevalence of overweight, obesity, elevated blood pressure, anemia, and stunting with that of children in the United States and Mexico. RESULTS: Across study years, prevalence of overweight, obesity, elevated blood pressure, anemia, and stunting ranged from 13...
February 2014: American Journal of Public Health
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