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https://www.readbyqxmd.com/read/28222105/stat3-cdc25a-dependent-cell-proliferation-promotes-embryonic-axis-extension-during-zebrafish-gastrulation
#1
Yinzi Liu, Diane S Sepich, Lilianna Solnica-Krezel
Cell proliferation has generally been considered dispensable for anteroposterior extension of embryonic axis during vertebrate gastrulation. Signal transducer and activator of transcription 3 (Stat3), a conserved controller of cell proliferation, survival and regeneration, is associated with human scoliosis, cancer and Hyper IgE Syndrome. Zebrafish Stat3 was proposed to govern convergence and extension gastrulation movements in part by promoting Wnt/Planar Cell Polarity (PCP) signaling, a conserved regulator of mediolaterally polarized cell behaviors...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28220136/novel-sources-of-witchweed-striga-resistance-from-wild-sorghum-accessions
#2
Dorothy A Mbuvi, Clet W Masiga, Eric Kuria, Joel Masanga, Mark Wamalwa, Abdallah Mohamed, Damaris A Odeny, Nada Hamza, Michael P Timko, Steven Runo
Sorghum is a major food staple in sub-Saharan Africa (SSA), but its production is constrained by the parasitic plant Striga that attaches to the roots of many cereals crops and causes severe stunting and loss of yield. Away from cultivated farmland, wild sorghum accessions grow as weedy plants and have shown remarkable immunity to Striga. We sought to determine the extent of the resistance to Striga in wild sorghum plants. Our screening strategy involved controlled laboratory assays of rhizotrons, where we artificially infected sorghum with Striga, as well as field experiments at three sites, where we grew sorghum with a natural Striga infestation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28215213/state-level-dietary-diversity-as-a-contextual-determinant-of-nutritional-status-of-children-in-india-a-multilevel-approach
#3
Kakoli Borkotoky, Sayeed Unisa, Ashish Kumar Gupta
This study aimed to identify the determinants of nutritional status of children in India with a special focus on dietary diversity at the state level. Household-level consumption data from three rounds of the Consumer Expenditure Survey of the National Sample Survey Organization (1993-2012) were used. Information on the nutritional status of children was taken from the National Family Health Survey (2005-06). Dietary diversity indices were constructed at the state level to examine diversity in quantity of food consumed and food expenditure...
February 20, 2017: Journal of Biosocial Science
https://www.readbyqxmd.com/read/28213698/rice-grassy-stunt-virus-p5-interacts-with-two-protein-components-of-the-plant-specific-cbl-cipk-ca-2-signaling-network-of-rice
#4
Guihong Xiong, Xiaojuan Liu, Ping Qiu, Xiaoyong Wu, Zhenguo Du, Jie Zhang, Liang Yang, Zujian Wu
Rice grassy stunt virus (RGSV) is a tenuivirus posing a threat to rice production in many South, Southeast, and East Asian countries. To date, no host factor interacting with RGSV has been reported. In this study, we screened a rice cDNA library with the GAL4-based yeast two-hybrid system using RGSV p5 as the bait. One of the candidate host factors interacting with RGSV p5 was found to be CBL-interacting protein kinase 25 (OsCIPK25), a member of the plant-specific CBL-CIPK Ca(2+) signaling network. The interaction between RGSV p5 and OsCIPK25, as well as OsCIPK5, which is closely related to OsCIPK25, was confirmed by their cellular co-localization and by a bimolecular fluorescence complementation assay in Nicotiana benthamiana cells...
February 17, 2017: Virus Genes
https://www.readbyqxmd.com/read/28212415/aflatoxin-exposure-during-the-first-36-months-of-life-was-not-associated-with-impaired-growth-in-nepalese-children-an-extension-of-the-mal-ed-study
#5
Nicole J Mitchell, Hui-Husan Hsu, Ram Krishna Chandyo, Binob Shrestha, Ladaporn Bodhidatta, Yu-Kang Tu, Yun-Yun Gong, Patricia A Egner, Manjeswori Ulak, John D Groopman, Felicia Wu
Exposure to aflatoxin, a mycotoxin common in many foods, has been associated with child growth impairment in sub-Saharan Africa. To improve our understanding of growth impairment in relation to aflatoxin and other risk factors, we assessed biospecimens collected in Nepalese children at 15, 24, and 36 months of age for aflatoxin exposure. Children (N = 85) enrolled in the Bhaktapur, Nepal MAL-ED study encompassed the cohort analysed in this study. Exposure was assessed through a plasma biomarker of aflatoxin exposure: the AFB1-lysine adduct...
2017: PloS One
https://www.readbyqxmd.com/read/28208965/long-term-outcomes-of-kangaroo-mother-care-in-very-low-birth-weight-infants
#6
Sunil Gavhane, Deepak Eklare, Haseeb Mohammad
INTRODUCTION: Kangaroo Mother Care (KMC) has been gaining acceptance as an effective alternative to incubator based Conventional Medical Care (CMC) in preterm or Low Birth Weight (LBW) infants especially in resource scarce developing countries. AIM: To report and analyse the long-term effects of KMC for relatively stable Very Low Birth Weight (VLBW) infants on nutritional indicators and feeding conditions at 6-12 months of corrected age. MATERIALS AND METHODS: This randomized controlled trial was done at a Level III Neonatal Intensive Care Unit (NICU) of a teaching institution in southern India...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208962/the-effect-of-nutritional-status-on-outcome-of-hospitalization-in-paediatric-liver-disease-patients
#7
Yasmeen Mansi, Shereen Abdel Ghaffar, Shaymaa Sayed, Hanaa El-Karaksy
INTRODUCTION: Liver is an important organ for metabolism. It has a major role in integrating the various biochemical pathways of metabolism. Thus, children with chronic liver disease are at high risk for developing undernutrition, with important prognostic implications. AIM: To evaluate the nutritional status of hospitalized paediatric liver disease patients and its effect on outcome. MATERIALS AND METHODS: We prospectively analysed the nutritional status of 59 consecutive patients during their first 24 hours of admission, at the Hepatology Unit, using the following indices: weight/age, height/age, weight/height, Body Mass Index (BMI), arm circumference and triceps skinfold, subcapular skinfold, and mid upper arm circumference...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208602/a-review-of-the-strain-diversity-and-pathogenesis-of-chicken-astrovirus
#8
REVIEW
Victoria J Smyth
Although a relatively recently emerged virus, identified only in 2004 as a separate species of avian astrovirus, chicken astrovirus (CAstV) has been associated with poor growth of broiler flocks, enteritis and diarrhea and is a candidate pathogen in cases of runting stunting syndrome. More recently CAstV has been implicated in cases of two other diseases of broilers as the sole etiological agent, namely severe kidney disease of young broilers with visceral gout and the "White Chicks" hatchery disease. Examination of the strains of CAstV associated with the two latter diseases reveals they are closely related genetically...
February 10, 2017: Viruses
https://www.readbyqxmd.com/read/28207774/association-between-the-infant-and-child-feeding-index-icfi-and-nutritional-status-of-6-to-35-month-old-children-in-rural-western-china
#9
Pengfei Qu, Baibing Mi, Duolao Wang, Ruo Zhang, Jiaomei Yang, Danmeng Liu, Shaonong Dang, Hong Yan
BACKGROUND: The objective of this study was to determine the relationship between the quality of feeding practices and children's nutritional status in rural western China. METHODS: A sample of 12,146 pairs of 6- to 35-month-old children and their mothers were recruited using stratified multistage cluster random sampling in rural western China. Quantile regression was used to analyze the relationship between the Infant and Child Feeding Index (ICFI) and children's nutritional status...
2017: PloS One
https://www.readbyqxmd.com/read/28207425/evidence-based-interventions-for-improvement-of-maternal-and-child-nutrition-in-low-income-settings-what-s-new
#10
Tyler Vaivada, Michelle F Gaffey, Jai K Das, Zulfiqar A Bhutta
PURPOSE OF REVIEW: Maternal and child malnutrition continues to disproportionately affect low and middle-income countries, contributing to high rates of morbidity, mortality, and suboptimal development. This article reviews evidence from recent systematic reviews and studies on the effectiveness of interventions to improve nutritional status in these especially vulnerable populations. RECENT FINDINGS: Macronutrients provided to expectant mothers in the form of balanced protein energy supplements can improve fetal growth and birth outcomes, and new research suggests that lipid nutrient supplements can reduce both stunting and wasting in newborns...
February 15, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28207339/measuring-socioeconomic-inequalities-with-predicted-absolute-incomes-rather-than-wealth-quintiles-a-comparative-assessment-using-child-stunting-data-from-national-surveys
#11
Günther Fink, Cesar G Victora, Kenneth Harttgen, Sebastian Vollmer, Luís Paulo Vidaletti, Aluisio J D Barros
OBJECTIVES: To compare the predictive power of synthetic absolute income measures with that of asset-based wealth quintiles in low- and middle-income countries (LMICs) using child stunting as an outcome. METHODS: We pooled data from 239 nationally representative household surveys from LMICs and computed absolute incomes in US dollars based on households' asset rank as well as data on national consumption and inequality levels. We used multivariable regression models to compare the predictive power of the created income measure with the predictive power of existing asset indicator measures...
February 16, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28205531/wnt5a-is-a-crucial-regulator-of-neurogenesis-during-cerebellum-development
#12
Chandramohan Subashini, Sivadasan Bindu Dhanesh, Chih-Ming Chen, Paul Ann Riya, Vadakkath Meera, Thulasi Sheela Divya, Rejji Kuruvilla, Kerstin Buttler, Jackson James
The role of Wnt5a has been extensively explored in various aspects of development but its role in cerebellar development remains elusive. Here, for the first time we unravel the expression pattern and functional significance of Wnt5a in cerebellar development using Wnt5a(-/-) and Nestin-Cre mediated conditional knockout mouse models. We demonstrate that loss of Wnt5a results in cerebellar hypoplasia and depletion of GABAergic and glutamatergic neurons. Besides, Purkinje cells of the mutants displayed stunted, poorly branched dendritic arbors...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28204897/characterization-of-tomato-apical-stunt-viroid-isolated-from-a-24-year-old-seed-lot-of-capsicum-annuum
#13
J Th J Verhoeven, H M S Koenraadt, M Westenberg, J W Roenhorst
Tomato apical stunt viroid (TASVd) has been identified in a 24-year old seed lot of Capsicum annuum produced in Taiwan. It is the first finding of TASVd in this plant species. The isolate could be discriminated from all reported isolates of TASVd based on its nucleotide sequence, which showed only 94.8% identity with the most related genotype of TASVd. This discrimination was substantiated by phylogenetic analysis. Inoculation of a RNA extract of contaminated seeds to healthy pepper plants showed that the infectivity of the viroid had remained over time...
February 15, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28201790/reaching-the-global-target-to-reduce-stunting-an-investment-framework
#14
Meera Shekar, Jakub Kakietek, Mary R D'Alimonte, Hilary E Rogers, Julia Dayton Eberwein, Jon Kweku Akuoku, Audrey Pereira, Shan Soe-Lin, Robert Hecht
No abstract text is available yet for this article.
February 14, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28198792/child-growth-according-to-maternal-and-child-hiv-status-in-zimbabwe
#15
Adetayo O Omoni, Robert Ntozini, Ceri Evans, Andrew J Prendergast, Lawrence H Moulton, Parul S Christian, Jean H Humphrey
BACKGROUND: Growth failure is common among HIV-infected infants, but there are limited data on the effects of HIV exposure or timing of HIV acquisition on growth. METHODS: 14110 infants were enrolled in the ZVITAMBO trial in Zimbabwe before the availability of antiretroviral therapy (ART) or co-trimoxazole. Anthropometric measurements were taken from birth through 12-24 months of age. Growth outcomes were compared between 5 groups of children: HIV-infected in utero (IU), intrapartum (IP) or postnatally (PN); HIV-exposed uninfected (HEU); and HIV-unexposed...
February 13, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28196362/practical-application-of-linear-growth-measurements-in-clinical-research-in-low-and-middle-income-countries%C3%A2
#16
Jan M Wit, John H Himes, Stef van Buuren, Donna M Denno, Parminder S Suchdev
BACKGROUND/AIMS: Childhood stunting is a prevalent problem in low- and middle-income countries and is associated with long-term adverse neurodevelopment and health outcomes. In this review, we define indicators of growth, discuss key challenges in their analysis and application, and offer suggestions for indicator selection in clinical research contexts. METHODS: Critical review of the literature. RESULTS: Linear growth is commonly expressed as length-for-age or height-for-age z-score (HAZ) in comparison to normative growth standards...
February 14, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28187062/risk-factors-for-growth-retardation-in-hiv-infected-senegalese-children-on-antiretroviral-treatment-the-anrs-12279-maggsen-pediatric-cohort-study
#17
Cecile Cames, Lea Pascal, Aminata Diack, Helene Mbodj, Baly Ouattara, Ndeye Rama Diagne, Ndeye Fatou Diallo, Philippe Msellati, Ngagne Mbaye, Haby Sy Signate
OBJECTIVES: We described prevalence and risk factors for wasting and stunting among HIV-infected children with a median duration of 3 years of antiretroviral therapy (ART) at the time of their enrollment in the cohort study. METHODS: Wasting and stunting at ART initiation and at enrollment were defined as weight-for-height/body mass index-for-age z-scores < -2 and height-for-age z-scores < -2, respectively. Logistic regression was used to assess risk factors for wasting and stunting...
December 13, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28183733/neuronal-ctgf-ccn2-negatively-regulates-myelination-in-a-mouse-model-of-tuberous-sclerosis-complex
#18
Ebru Ercan, Juliette M Han, Alessia Di Nardo, Kellen Winden, Min-Joon Han, Leonie Hoyo, Afshin Saffari, Andrew Leask, Daniel H Geschwind, Mustafa Sahin
Disruption of myelination during development has been implicated in a range of neurodevelopmental disorders including tuberous sclerosis complex (TSC). TSC patients with autism display impairments in white matter integrity. Similarly, mice lacking neuronal Tsc1 have a hypomyelination phenotype. However, the mechanisms that underlie these phenotypes remain unknown. In this study, we demonstrate that neuronal TSC1/2 orchestrates a program of oligodendrocyte maturation through the regulated secretion of connective tissue growth factor (CTGF)...
February 9, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28183307/development-and-validation-of-an-early-childhood-development-scale-for-use-in-low-resourced-settings
#19
Dana Charles McCoy, Christopher R Sudfeld, David C Bellinger, Alfa Muhihi, Geofrey Ashery, Taylor E Weary, Wafaie Fawzi, Günther Fink
BACKGROUND: Low-cost, cross-culturally comparable measures of the motor, cognitive, and socioemotional skills of children under 3 years remain scarce. In the present paper, we aim to develop a new caregiver-reported early childhood development (ECD) scale designed to be implemented as part of household surveys in low-resourced settings. METHODS: We evaluate the acceptability, test-retest reliability, internal consistency, and discriminant validity of the new ECD items, subscales, and full scale in a sample of 2481 18- to 36-month-old children from peri-urban and rural Tanzania...
February 9, 2017: Population Health Metrics
https://www.readbyqxmd.com/read/28183294/chloroplast-proteome-response-to-drought-stress-and-recovery-in-tomato-solanum-lycopersicum-l
#20
Rachele Tamburino, Monica Vitale, Alessandra Ruggiero, Mauro Sassi, Lorenza Sannino, Simona Arena, Antonello Costa, Giorgia Batelli, Nicola Zambrano, Andrea Scaloni, Stefania Grillo, Nunzia Scotti
BACKGROUND: Drought is a major constraint for plant growth and crop productivity that is receiving an increased attention due to global climate changes. Chloroplasts act as environmental sensors, however, only partial information is available on stress-induced mechanisms within plastids. Here, we investigated the chloroplast response to a severe drought treatment and a subsequent recovery cycle in tomato through physiological, metabolite and proteomic analyses. RESULTS: Under stress conditions, tomato plants showed stunted growth, and elevated levels of proline, abscisic acid (ABA) and late embryogenesis abundant gene transcript...
February 10, 2017: BMC Plant Biology
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