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https://www.readbyqxmd.com/read/29346342/attention-deficit-hyperactivity-disorder-medication-prescription-claims-among-privately-insured-women-aged-15-44-years-united-states-2003-2015
#1
Kayla N Anderson, Elizabeth C Ailes, Melissa Danielson, Jennifer N Lind, Sherry L Farr, Cheryl S Broussard, Sarah C Tinker
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder that affects individuals across the lifespan. ADHD medication use among pregnant women is increasing (1), but consensus about the safety of ADHD medication use during pregnancy is lacking. Given that nearly half of U.S. pregnancies are unintended (2), and early pregnancy is a critical period for fetal development, examining trends in ADHD medication prescriptions among reproductive-aged women is important to quantify the population at risk for potential exposure...
January 19, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29345597/pediatric-markers-of-adult-cardiovascular-disease
#2
Micah Olson, Melissa Chambers, Gabe Shaibi
Cardiovascular disease (CVD) is the leading cause of mortality in the United States . Atherosclerotic CV events do not occur until adulthood, except in the context of rare genetic disorders such as homozygous familial hypercholesterolemia. However, the atherogenic process that leads to CVD begins in childhood and progresses throughout the lifespan . The degree of atherosclerosis early in life is associated with established risk factors for CVD (e.g. family history, obesity, dyslipidemia), indicating that the development and progression of atherosclerosis in childhood is driven by genetic as well as environmental factors...
January 16, 2018: Current Pediatric Reviews
https://www.readbyqxmd.com/read/29345197/neonatal-hyperoxia-depletes-pulmonary-vein-cardiomyocytes-in-adult-mice-via-mitochondrial-oxidation
#3
Min Yee, Ethan David Cohen, William Domm, George A Porter, Andrew N McDavid, Michael A O'Reilly
Supplemental oxygen given to preterm infants has been associated with permanently altering postnatal lung development. Now that these individuals are reaching adulthood, there is growing concern that early-life oxygen exposure may also promote cardiovascular disease through poorly understood mechanisms. We previously reported that adult mice exposed to 100% oxygen between postnatal days 0-4 develop pulmonary hypertension defined pathologically by capillary rarefaction, dilation of arterioles and veins, cardiac failure, and a reduced lifespan...
January 18, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29338042/a-pharmacological-screen-for-compounds-that-rescue-the-developmental-lethality-of-a-drosophila-atm-mutant
#4
Stacey A Rimkus, David A Wassarman
Ataxia-telangiectasia (A-T) is a neurodegenerative disease caused by mutation of the A-T mutated (ATM) gene. ATM encodes a protein kinase that is activated by DNA damage and phosphorylates many proteins, including those involved in DNA repair, cell cycle control, and apoptosis. Characteristic biological and molecular functions of ATM observed in mammals are conserved in Drosophila melanogaster. As an example, conditional loss-of-function ATM alleles in flies cause progressive neurodegeneration through activation of the innate immune response...
2018: PloS One
https://www.readbyqxmd.com/read/29337875/aux-iaa-gene-family-in-plants-molecular-structure-regulation-and-function
#5
REVIEW
Jie Luo, Jing-Jing Zhou, Jin-Zhi Zhang
Auxin plays a crucial role in the diverse cellular and developmental responses of plants across their lifespan. Plants can quickly sense and respond to changes in auxin levels, and these responses involve several major classes of auxin-responsive genes, including the Auxin/Indole-3-Acetic Acid (Aux/IAA) family, the auxin response factor (ARF) family, small auxin upregulated RNA (SAUR), and the auxin-responsive Gretchen Hagen3 (GH3) family. Aux/IAA proteins are short-lived nuclear proteins comprising several highly conserved domains that are encoded by the auxin early response gene family...
January 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29336544/identification-of-collateral-sensitivity-to-dihydroorotate-dehydrogenase-inhibitors-in-i-plasmodium-falciparum-i
#6
Leila Saxby Ross, Maria Jose Lafuente-Monasterio, Tomoyo Sakata-Kato, Rebecca E K Mandt, Francisco-Javier Gamo, Dyann F Wirth, Amanda K Lukens
Drug resistance has been reported for every antimalarial in use highlighting the need for new strategies to protect the efficacy of therapeutics in development. We have previously shown that resistance can be suppressed with a population biology trap: by identifying situations where resistance to one compound confers hypersensitivity to another (collateral sensitivity), we can design combination therapies that not only kill the parasite, but also guide its evolution away from resistance. We applied this concept to the Plasmodium falciparum dihydroorotate dehydrogenase (PfDHODH) enzyme, a well validated antimalarial target with inhibitors in the development pipeline...
January 16, 2018: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29335528/exd2-governs-germ-stem-cell-homeostasis-and-lifespan-by-promoting-mitoribosome-integrity-and-translation
#7
Joana Silva, Suvi Aivio, Philip A Knobel, Laura J Bailey, Andreu Casali, Maria Vinaixa, Isabel Garcia-Cao, Étienne Coyaud, Alexis A Jourdain, Pablo Pérez-Ferreros, Ana M Rojas, Albert Antolin-Fontes, Sara Samino-Gené, Brian Raught, Acaimo González-Reyes, Lluís Ribas de Pouplana, Aidan J Doherty, Oscar Yanes, Travis H Stracker
Mitochondria are subcellular organelles that are critical for meeting the bioenergetic and biosynthetic needs of the cell. Mitochondrial function relies on genes and RNA species encoded both in the nucleus and mitochondria, and on their coordinated translation, import and respiratory complex assembly. Here, we characterize EXD2 (exonuclease 3'-5' domain-containing 2), a nuclear-encoded gene, and show that it is targeted to the mitochondria and prevents the aberrant association of messenger RNAs with the mitochondrial ribosome...
January 15, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/29335381/the-fetal-programming-of-telomere-biology-hypothesis-an-update
#8
REVIEW
Sonja Entringer, Karin de Punder, Claudia Buss, Pathik D Wadhwa
Research on mechanisms underlying fetal programming of health and disease risk has focused primarily on processes that are specific to cell types, organs or phenotypes of interest. However, the observation that developmental conditions concomitantly influence a diverse set of phenotypes, the majority of which are implicated in age-related disorders, raises the possibility that such developmental conditions may additionally exert effects via a common underlying mechanism that involves cellular/molecular ageing-related processes...
March 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29334305/twelve-tips-for-teaching-a-comprehensive-disease-focused-course-with-a-global-perspective-a-sickle-cell-disease-example
#9
Dominique Bulgin, Paula Tanabe, Monika Asnani, Charmaine D M Royal
A disease-focused course entitled "Understanding Sickle Cell Disease: A Biopsychosocial Approach" addressed the complex nature of SCD using patient-centered, global and interdisciplinary approaches. Sickle cell disease (SCD) is a rare inherited blood disorder that requires multidisciplinary care. Worldwide 20-25 million individuals have SCD, which is associated with a shortened lifespan due to many medical complications and social and behavioral health challenges. Health care professionals often have limited knowledge of SCD as they typically learn about it within the context of their own disciplines...
January 15, 2018: Medical Teacher
https://www.readbyqxmd.com/read/29330147/genetic-ablation-of-rbm38-promotes-lymphomagenesis-in-the-context-of-mutant-p53-by-downregulating-pten
#10
Jin Zhang, Enshun Xu, Cong Ren, Hee Jung Yang, Yanhong Zhang, Wenqiang Sun, Xiangmudong Kong, Weici Zhang, Mingyi Chen, Eric C Huang, Xinbin Chen
Mutant p53 exerts gain-of-function effects that drive metastatic progression and therapeutic resistance, but the basis for these effects remain obscure. The RNA binding protein RBM38 limits translation of mutant p53 and is often ablated in tumors harboring it. Here we show how loss of Rbm38 significantly alters cancer susceptibility in mutant p53 knock-in mice, by shortening lifespan, altering tumor incidence and promoting T cell lymphomagenesis. Loss of Rbm38 enhanced mutant p53 expression and decreased expression of the tumor suppressor Pten, a key regulator of T cell development...
January 12, 2018: Cancer Research
https://www.readbyqxmd.com/read/29329429/how-to-convene-an-international-health-or-development-commission-ten-key-steps
#11
Gavin Yamey, Lawrence H Summers, Dean T Jamison, Jessica Brinton
The Commission on Investing in Health (CIH), an international group of 25 economists and global health experts, published its Global Health 2035 report in The Lancet in December 2013. The report laid out an ambitious investment framework for achieving a "grand convergence" in health-a universal reduction in deaths from infectious diseases and maternal and child health conditions-within a generation. This article captures ten key elements that the CIH found important to its process and successful outcomes. The elements are presented in chronological order, from inception to post-publication activities...
January 10, 2018: Health Policy and Planning
https://www.readbyqxmd.com/read/29329412/lhx8-ablation-leads-to-massive-autophagy-of-mouse-oocytes-associated-with-dna-damage
#12
Emanuele Pelosi, Laura D'Ignazio, Marc Michel, Melissa Beyer, Kassimier Thompson, Antonino Forabosco, David Schlessinger
Following proliferation of oogonia in mammals, great numbers of germ cells are discarded, primarily by apoptosis, while the remainder form primordial follicles (the ovarian reserve) that determine fertility and reproductive lifespan. More massive, rapid, and essentially total loss of oocytes, however, occurs when the transcription factor Lhx8 is ablated-though the cause and mechanism of germ cell loss from the Lhx8-/- ovaries has been unknown. We found that Lhx8-/- ovaries maintain the same number of germ cells throughout embryonic development; rapid decrease in the pool of oocytes starts shortly before birth...
January 10, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29327979/the-general-motor-ability-hypothesis-an-old-idea-revisited
#13
Beth Hands, Fleur McIntyre, Helen Parker
While specific motor abilities have become a popular explanation for motor performance, the older, alternate notion of a general motor ability should be revisited. Current theories lack consensus, and most motor assessment tools continue to derive a single composite score to represent motor capacity. In addition, results from elegant statistical procedures such as higher order factor analyses, cluster analyses, and Item Response Theory support a more global motor ability. We propose a contemporary model of general motor ability as a unidimensional construct that is emergent and fluid over an individual's lifespan, influenced by both biological and environmental factors...
January 1, 2018: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29327630/the-specter-of-the-primitive
#14
Gregory S Rizzolo
Traditional psychoanalytic theories of development hold that the adult neurotic can regress, or has already regressed, to the childhood arrests and/or fixations in which his pathology originated. More recent critiques have called this possibility into question. It is unlikely that anyone can roll back the additions and modifications of lifespan development in a full-fledged return to the needs, wishes, and anxieties of childhood. By regression, though, some analysts mean not a full-fledged return to an earlier developmental phase, but a non-phase-specific slip into primitive fantasies and defenses...
December 2017: Journal of the American Psychoanalytic Association
https://www.readbyqxmd.com/read/29325780/longitudinal-atlas-for-normative-human-brain-development-and-aging-over-the-lifespan-using-quantitative-susceptibility-mapping
#15
Yuyao Zhang, Hongjiang Wei, Matthew J Cronin, Naying He, Fuhua Yan, Chunlei Liu
Longitudinal brain atlases play an important role in the study of human brain development and cognition. Existing atlases are mainly based on anatomical features derived from T1-and T2-weighted MRI. A 4D developmental quantitative susceptibility mapping (QSM) atlas may facilitate the estimation of age-related iron changes in deep gray matter nuclei and myelin changes in white matter. To this end, group-wise co-registered QSM templates were generated over various age intervals from age 1-83 years old. Registration was achieved by combining both T1-weighted and QSM images...
January 8, 2018: NeuroImage
https://www.readbyqxmd.com/read/29325701/developmental-cognitive-neuroscience-using-latent-change-score-models-a-tutorial-and-applications
#16
REVIEW
Rogier A Kievit, Andreas M Brandmaier, Gabriel Ziegler, Anne-Laura van Harmelen, Susanne M M de Mooij, Michael Moutoussis, Ian M Goodyer, Ed Bullmore, Peter B Jones, Peter Fonagy, Ulman Lindenberger, Raymond J Dolan
Assessing and analysing individual differences in change over time is of central scientific importance to developmental neuroscience. However, the literature is based largely on cross-sectional comparisons, which reflect a variety of influences and cannot directly represent change. We advocate using latent change score (LCS) models in longitudinal samples as a statistical framework to tease apart the complex processes underlying lifespan development in brain and behaviour using longitudinal data. LCS models provide a flexible framework that naturally accommodates key developmental questions as model parameters and can even be used, with some limitations, in cases with only two measurement occasions...
November 22, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29325092/intravenous-administration-of-scaav9-hexb-normalizes-lifespan-and-prevents-pathology-in-sandhoff-disease-mice
#17
Natalia Niemir, Laura Rouvière, Aurore Besse, Marie T Vanier, Jasmin Dmytrus, Thibaut Marais, Stéphanie Astord, Jean-Philippe Puech, Ganna Panasyuk, Jonathan D Cooper, Martine Barkats, Catherine Caillaud
Sandhoff disease (SD) is a rare inherited disorder caused by a deficiency of β-hexosaminidase activity which is fatal because no effective treatment is available. A mouse model of Hexb deficiency reproduces the key pathognomonic features of SD patients with severe ubiquitous lysosomal dysfunction, GM2 accumulation, neuroinflammation and neurodegeneration, culminating in death at 4 months. Here, we show that a single intravenous neonatal administration of a self-complementary adeno-associated virus 9 vector (scAAV9) expressing the Hexb cDNA in SD mice is safe and sufficient to prevent disease development...
January 8, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29323266/aif-loss-deregulates-hematopoiesis-and-reveals-different-adaptive-metabolic-responses-in-bone-marrow-cells-and-thymocytes
#18
Lauriane Cabon, Audrey Bertaux, Marie-Noëlle Brunelle-Navas, Ivan Nemazanyy, Laurianne Scourzic, Laure Delavallée, Laura Vela, Mathieu Baritaud, Sandrine Bouchet, Cécile Lopez, Vu Quang Van, Kevin Garbin, Danielle Chateau, Françoise Gilard, Marika Sarfati, Thomas Mercher, Olivier A Bernard, Santos A Susin
Mitochondrial metabolism is a tightly regulated process that plays a central role throughout the lifespan of hematopoietic cells. Herein, we analyze the consequences of the mitochondrial oxidative phosphorylation (OXPHOS)/metabolism disorder associated with the cell-specific hematopoietic ablation of apoptosis-inducing factor (AIF). AIF-null (AIF-/Y ) mice developed pancytopenia that was associated with hypocellular bone marrow (BM) and thymus atrophy. Although myeloid cells were relatively spared, the B-cell and erythroid lineages were altered with increased frequencies of precursor B cells, pro-erythroblasts I, and basophilic erythroblasts II...
January 11, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29321040/automated-image-analysis-detects-aging-in-clinical-grade-mesenchymal-stromal-cell-cultures
#19
S Oja, P Komulainen, A Penttilä, J Nystedt, M Korhonen
BACKGROUND: Senescent cells are undesirable in cell therapy products due to reduced therapeutic activity and risk of aberrant cellular effects, and methods for assessing senescence are needed. Early-passage mesenchymal stromal cells (MSCs) are known to be small and spindle-shaped but become enlarged upon cell aging. Indeed, cell morphology is routinely evaluated during MSC production using subjective methods. We have therefore explored the possibility of utilizing automated imaging-based analysis of cell morphology in clinical cell manufacturing...
January 10, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29316527/contrasting-effects-of-individual-versus-combined-estrogen-and-progestogen-regimens-as-working-memory-load-increases-in-middle-aged-ovariectomized-rats-one-plus-one-does-not-equal-two
#20
Alesia V Prakapenka, Ryoko Hiroi, Alicia M Quihuis, Catie Carson, Shruti Patel, Claire Berns-Leone, Carly Fox, Rachael W Sirianni, Heather A Bimonte-Nelson
Most estrogen-based hormone therapies are administered in combination with a progestogen, such as Levonorgestrel (Levo). Individually, the estrogen 17β-estradiol (E2) and Levo can improve cognition in preclinical models. However, although these hormones are often given together clinically, the impact of the E2 + Levo combination on cognitive function has yet to be methodically examined. Thus, we investigated E2 + Levo treatment on a cognitive battery in middle-aged, ovariectomized rats. When administered alone, E2 and Levo treatments each enhanced spatial working memory relative to vehicle treatment, whereas the E2 + Levo combination impaired high working memory load performance relative to E2 only and Levo only treatments...
December 7, 2017: Neurobiology of Aging
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