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Developmental programming

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https://www.readbyqxmd.com/read/29684828/identification-of-candidate-genes-mediating-apple-fruit-cracking-resistance-following-the-application-of-gibberellic-acids-4-7-and-the-cytokinin-6-benzyladenine
#1
Mukul Joshi, Ravi Singh Baghel, Edna Fogelman, Raphael A Stern, Idit Ginzberg
Calyx-end cracking in 'Pink Lady' apple is treated by a solution of gibberellic acids 4 and 7 (GA4+7 ) and the cytokinin 6-benzyladenine (BA). Although the GA4+7 and BA mixture is applied early in apple fruit development, it mitigates cracking that becomes evident in the mature fruit, implying a long-term treatment effect. The reduced incidence of peel cracking is associated with increased epidermal cell density, which is maintained until fruit maturation. Presently, the expression of genes that have been previously reported to be associated with epidermal cell patterning and cuticle formation, or cracking resistance, was monitored in the peel during fruit development and following GA4+7 and BA treatment...
April 14, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29684673/exercise-as-a-therapeutic-intervention-to-optimize-fetal-weight
#2
REVIEW
Laura M Reyes, Margie H Davenport
The Developmental Origins of Health and Disease suggest the in utero environment programs offspring obesity and cardiovascular disease. Therefore, there is a need to implement safe therapeutic interventions that do not involve the intake of medications or biological products during pregnancy that can improve maternal and fetal health. Prenatal exercise is established to promote maternal and fetal health. It is generally recommended that women accumulate at least 150 minutes per week of moderate-intensity exercise...
April 20, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29682999/age-of-cannabis-use-onset-and-adult-drug-abuse-symptoms-a-prospective-study-of-common-risk-factors-and-indirect-effects
#3
Charlie Rioux, Natalie Castellanos-Ryan, Sophie Parent, Frank Vitaro, Richard Ernest Tremblay, Jean Richard Séguin
The present study examined 1) whether the associations between cannabis use (CU) age of onset and drug abuse by 28 y remain when controlling for risk factors in childhood, adolescence and early adulthood; and 2) the developmental pathways from early risk factors to drug abuse problems. Participants from a longitudinal sample of boys of low socioeconomic status ( N = 1,030) were followed from 6 to 28 y. We examined the self-reported CU onset between the ages of 13 and 17 y and drug abuse symptoms by 28 y. The odds of developing any drug abuse symptoms by 28 y were reduced by 31% for each year of delayed CU onset (OR = 0...
January 1, 2018: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/29681251/behavior-problems-in-sexually-abused-preschoolers-over-a-1-year-period-the-mediating-role-of-attachment-representations
#4
Florence Charest, Martine Hébert, Annie Bernier, Rachel Langevin, Raphaële Miljkovitch
According to the developmental psychopathology framework, adverse childhood experiences, including child sexual abuse (CSA), may alter the course of normal development in children. Attachment security has been identified as a protective factor against psychopathology and may thus play a critical role in predicting victims' adaptation. The main objective of the present study was to investigate the mediating effect of attachment representations in the relation between CSA and behavior problems over a 1-year period...
April 23, 2018: Development and Psychopathology
https://www.readbyqxmd.com/read/29679279/role-of-inositol-polyphosphates-in-programed-cell-death-in-dictyostelium-discoideum-and-its-developmental-life-cycle
#5
Qudes Al-Anbaky, Zeiyad Al-Karakooly, Richard Connor, Lisa Williams, Azure Yarbrough, John Bush, Nawab Ali
Programed cell death or apoptosis is a key developmental process that maintains tissue homeostasis in multicellular organisms. Inositol polyphosphates (InsPs) are key signaling molecules known to regulate a variety of cellular processes including apoptosis in such organisms. The signaling role of InsPs in unicellular organisms such as Dictyostelium discoideum (D. discoideum) is not well understood. We investigated whether InsPs also play any role in apoptosis in D. discoideum and whether InsPs-mediated apoptosis follows a mechanism similar to that present in higher multicellular eukaryotes...
April 20, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29678948/an-rnai-screen-identifies-new-genes-required-for-normal-morphogenesis-of-larval-chordotonal-organs
#6
Abeer Hassan, Yael Timerman, Rana Hamdan, Nitzan Sela, Adel Avetisyan, Naomi Halachmi, Adi Salzberg
The proprioceptive chordotonal organs (ChO) of a fly larva respond to mechanical stimuli generated by muscle contractions and consequent deformations of the cuticle. The ability of the ChO to sense the relative displacement of its epidermal attachment sites likely depends on the correct mechanical properties of the accessory (cap and ligament) and attachment cells that connect the sensory unit (neuron and scolopale cell) to the cuticle. The genetic programs dictating the development of ChO cells with unique morphologies and mechanical properties are largely unknown...
April 20, 2018: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29678068/a-mobile-early-stimulation-program-to-support-children-with-developmental-delays-in-brazil
#7
Raquel da Luz Dias, Kátia Cristina Correa Guimarães Silva, Marcela Raquel de Oliveira Lima, João Guilherme Bezerra Alves, Syed Sibte Raza Abidi
Developmental delay is a deviation development from the normative milestones during the childhood and it may be caused by neurological disorders. Early stimulation is a standardized and simple technique to treat developmental delays in children (aged 0-3 years), allowing them to reach the best development possible and to mitigate neuropsychomotor sequelae. However, the outcomes of the treatment depending on the involvement of the family, to continue the activities at home on a daily basis. To empower and educate parents of children with neurodevelopmental delays to administer standardized early stimulation programs at home, we developed a mobile early stimulation program that provides timely and evidence-based clinical decision support to health professionals and a personalized guidance to parents about how to administer early stimulation to their child at home...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29677476/cd4-helper-and-cd8-cytotoxic-t-cell-differentiation
#8
Ichiro Taniuchi
A fundamental question in developmental immunology is how bipotential thymocyte precursors generate both CD4+ helper and CD8+ cytotoxic T cell lineages. The MHC specificity of αβ T cell receptors (TCRs) on precursors is closely correlated with cell fate-determining processes, prompting studies to characterize how variations in TCR signaling are linked with genetic programs establishing lineage-specific gene expression signatures, such as exclusive CD4 or CD8 expression. The key transcription factors ThPOK and Runx3 have been identified as mediating development of helper and cytotoxic T cell lineages, respectively...
April 26, 2018: Annual Review of Immunology
https://www.readbyqxmd.com/read/29675077/a-tale-of-treatable-infantile-neuroregression-and-diagnostic-dilemma-with-glutaric-aciduria-type-i
#9
Sangeetha Yoganathan, Mugil Varman, Samuel Philip Oommen, Maya Thomas
Nutritional deficiencies related neurological manifestations are not uncommon in infants and children. Here, we describe an infant with Vitamin B12 deficiency due to depleted maternal Vitamin B12 status presenting with progressive encephalopathy and extrapyramidal signs. Diagnosis of infantile tremor syndrome was established in our patient based on the clinical and biochemical parameters. Magnetic resonance imaging had shown frontotemporal atrophy with widened Sylvian fissures and prominent cerebrospinal fluid spaces...
October 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29674595/developmental-and-oncogenic-programs-in-h3k27m-gliomas-dissected-by-single-cell-rna-seq
#10
Mariella G Filbin, Itay Tirosh, Volker Hovestadt, McKenzie L Shaw, Leah E Escalante, Nathan D Mathewson, Cyril Neftel, Nelli Frank, Kristine Pelton, Christine M Hebert, Christine Haberler, Keren Yizhak, Johannes Gojo, Kristof Egervari, Christopher Mount, Peter van Galen, Dennis M Bonal, Quang-De Nguyen, Alexander Beck, Claire Sinai, Thomas Czech, Christian Dorfer, Liliana Goumnerova, Cinzia Lavarino, Angel M Carcaboso, Jaume Mora, Ravindra Mylvaganam, Christina C Luo, Andreas Peyrl, Mara Popović, Amedeo Azizi, Tracy T Batchelor, Matthew P Frosch, Maria Martinez-Lage, Mark W Kieran, Pratiti Bandopadhayay, Rameen Beroukhim, Gerhard Fritsch, Gad Getz, Orit Rozenblatt-Rosen, Kai W Wucherpfennig, David N Louis, Michelle Monje, Irene Slavc, Keith L Ligon, Todd R Golub, Aviv Regev, Bradley E Bernstein, Mario L Suvà
Gliomas with histone H3 lysine27-to-methionine mutations (H3K27M-glioma) arise primarily in the midline of the central nervous system of young children, suggesting a cooperation between genetics and cellular context in tumorigenesis. Although the genetics of H3K27M-glioma are well characterized, their cellular architecture remains uncharted. We performed single-cell RNA sequencing in 3321 cells from six primary H3K27M-glioma and matched models. We found that H3K27M-glioma primarily contain cells that resemble oligodendrocyte precursor cells (OPC-like), whereas more differentiated malignant cells are a minority...
April 20, 2018: Science
https://www.readbyqxmd.com/read/29674189/maternal-pre-eclampsia-and-long-term-offspring-health-is-there-a-shadow-cast
#11
REVIEW
Sarah M Goffin, José G B Derraik, Katie M Groom, Wayne S Cutfield
Pre-eclampsia is a common pregnancy disorder with important short-term complications for mother and baby. Evidence suggests pre-eclampsia also has implications for the mother beyond pregnancy, as well as long-term effects on offspring health. Limited research has linked pre-eclampsia with changes in offspring blood pressure, BMI, and stroke risk. Underpinning mechanisms are poorly understood, but developmental programming may be involved. Research in this area has been hindered by difficulties in defining pre-eclampsia and problems with study design...
February 7, 2018: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29673874/origins-of-lifetime-health-around-the-time-of-conception-causes-and-consequences
#12
REVIEW
Tom P Fleming, Adam J Watkins, Miguel A Velazquez, John C Mathers, Andrew M Prentice, Judith Stephenson, Mary Barker, Richard Saffery, Chittaranjan S Yajnik, Judith J Eckert, Mark A Hanson, Terrence Forrester, Peter D Gluckman, Keith M Godfrey
Parental environmental factors, including diet, body composition, metabolism, and stress, affect the health and chronic disease risk of people throughout their lives, as captured in the Developmental Origins of Health and Disease concept. Research across the epidemiological, clinical, and basic science fields has identified the period around conception as being crucial for the processes mediating parental influences on the health of the next generation. During this time, from the maturation of gametes through to early embryonic development, parental lifestyle can adversely influence long-term risks of offspring cardiovascular, metabolic, immune, and neurological morbidities, often termed developmental programming...
April 16, 2018: Lancet
https://www.readbyqxmd.com/read/29673391/parenting-resilient-kids-park-an-online-parenting-program-to-prevent-anxiety-and-depression-problems-in-primary-school-aged-children-study-protocol-for-a-randomised-controlled-trial
#13
Luwishennadige Madhawee N Fernando, Wan Hua Sim, Anthony F Jorm, Ron Rapee, Katherine A Lawrence, Marie B H Yap
BACKGROUND: Preventive efforts targeting childhood anxiety and depression symptoms have the potential to alter the developmental trajectory of depression and anxiety disorders across the lifespan. Substantial previous research suggests that modifiable parenting factors such as parental aversiveness and over-involvement are associated with childhood anxiety, depressive and internalising symptoms, indicating that parents can play a critical role in prevention. The Parenting Resilient Kids study is a new evidence-based online parenting program designed to prevent anxiety and depression problems in primary school-aged children by reducing family-based risk factors and enhancing protective factors through increased positive interactions between parent and child...
April 19, 2018: Trials
https://www.readbyqxmd.com/read/29672864/menin-regulates-the-serine-biosynthetic-pathway-in-ewing-sarcoma
#14
Laurie K Svoboda, Selina Shiqing K Teh, Sudha Sud, Samuel Kerk, Aaron Zebolsky, Sydney Treichel, Dafydd Thomas, Christopher J Halbrook, Ho-Joon Lee, Daniel Kremer, Li Zhang, Szymon Klossowski, Armand R Bankhead, Brian Magnuson, Mats Ljungman, Tomasz Cierpicki, Jolanta Grembecka, Costas A Lyssiotis, Elizabeth R Lawlor
Developmental transcription programs are epigenetically regulated by multi-protein complexes, including the menin- and MLL-containing trithorax (TrxG) complexes, which promote gene transcription by depositing the H3K4me3 activating mark at target gene promoters. We recently reported that in Ewing sarcoma, MLL1 (lysine methyltransferase 2A, KMT2A) and menin are overexpressed and function as oncogenes. Small molecule inhibition of the menin-MLL interaction leads to loss of menin and MLL1 protein expression and to inhibition of growth and tumorigenicity...
April 19, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29672859/applying-a-developmental-framework-to-the-self-regulatory-difficulties-of-young-children-with-prenatal-alcohol-exposure-a-review
#15
Natasha Reid, Christie L M Petrenko
Prenatal alcohol exposure (PAE) can be associated with significant difficulties in self-regulatory abilities. As such, interventions have been developed that focus on improving varying aspects of self-regulation for this population. The application of a multi-level theoretical framework that describes the development of self-regulation during early childhood could further advance the field. First, this framework could assist in elucidating mechanisms in the trajectories of early adjustment problems in this population and second, informing the development of more precise assessment and interventions for those affected by PAE...
April 19, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29672338/effects-of-a-care-coordination-intervention-with-children-with-neurodevelopmental-disabilities-and-their-families
#16
Jeanne W McAllister, Rebecca McNally Keehn, Rylin Rodgers, Philani Brian Mpofu, Patrick O Monahan, Thomas M Lock
: Care coordination is integral to improving the health of children and families. Using a Shared Plan of Care (SPoC) as a care coordination activity is recommended, but related research on outcomes in pediatric populations with complex medical conditions is scarce. OBJECTIVE: This study explores family outcomes associated with implementation of a care coordination/SPoC intervention with a population of children with neurodevelopmental disabilities and their families. METHODS: Children aged 2 to 10 years with a neurodevelopmental disability (autism spectrum disorder: 60...
April 17, 2018: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/29672192/palliative-care-experiences-and-needs-of-direct-care-workers
#17
Jinsook Kim, Jennifer A Gray
BACKGROUND: As people with intellectual and developmental disabilities (PWIDD) are living longer and experience chronic health conditions, there is greater likelihood that direct care workers (DCWs) will need to provide palliative care services. OBJECTIVE: The purpose of this study was to explore DCWs' experience with palliative care and challenges they faced. DESIGN: This study was an exploratory, descriptive study using qualitative methods...
April 19, 2018: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/29669782/the-respiratory-environment-diverts-the-development-of-antiviral-memory-cd8-t-cells
#18
Hillary L Shane, Katie L Reagin, Kimberly D Klonowski
Our understanding of memory CD8+ T cells has been largely derived from acute, systemic infection models. However, memory CD8+ T cells generated from mucosal infection exhibit unique properties and, following respiratory infection, are not maintained in the lung long term. To better understand how infection route modifies memory differentiation, we compared murine CD8+ T cell responses to a vesicular stomatitis virus (VSV) challenge generated intranasally (i.n.) or i.v. The i.n. infection resulted in greater peak expansion of VSV-specific CD8+ T cells...
April 18, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29669249/the-transcription-factor-runx3-establishes-chromatin-accessibility-of-cis-regulatory-landscapes-that-drive-memory-cytotoxic-t-lymphocyte-formation
#19
Dapeng Wang, Huitian Diao, Adam J Getzler, Walter Rogal, Megan A Frederick, Justin Milner, Bingfei Yu, Shane Crotty, Ananda W Goldrath, Matthew E Pipkin
T cell receptor (TCR) stimulation of naive CD8+ T cells initiates reprogramming of cis-regulatory landscapes that specify effector and memory cytotoxic T lymphocyte (CTL) differentiation. We mapped regions of hyper-accessible chromatin in naive cells during TCR stimulation and discovered that the transcription factor (TF) Runx3 promoted accessibility to memory CTL-specific cis-regulatory regions before the first cell division and was essential for memory CTL differentiation. Runx3 was specifically required for accessibility to regions highly enriched with IRF, bZIP and Prdm1-like TF motifs, upregulation of TFs Irf4 and Blimp1, and activation of fundamental CTL attributes in early effector and memory precursor cells...
April 17, 2018: Immunity
https://www.readbyqxmd.com/read/29668891/maternal-polycystic-ovarian-syndrome-and-early-offspring-development
#20
Griffith A Bell, Rajeshwari Sundaram, Sunni L Mumford, Hyojun Park, James Mills, Erin M Bell, Miranda Broadney, Edwina H Yeung
STUDY QUESTION: Is maternal polycystic ovarian syndrome (PCOS) associated with developmental delays in offspring? SUMMARY ANSWER: Offspring of mothers with PCOS were at higher risk of failure on the Ages and Stages Questionnaire (ASQ). WHAT IS KNOWN ALREADY: There is growing evidence that offspring of mothers with PCOS may be at higher risk for developmental disorders due to potential exposure to hyperandrogenism and insulin resistance. Few studies exist regarding maternal PCOS and early childhood development in the USA...
April 13, 2018: Human Reproduction
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