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https://www.readbyqxmd.com/read/28220995/development-of-hydrogels-for-regenerative-engineering
#1
REVIEW
Xiaofei Guan, Meltem Avci-Adali, Emine Alarçin, Hao Cheng, Sara Saheb Kashaf, Yuxiao Li, Aditya Chawla, Hae Lin Jang, Ali Khademhosseini
The aim of regenerative engineering is to restore complex tissues and biological systems through convergence in the fields of advanced biomaterials, stem cell science, and developmental biology. Hydrogels are one of the most attractive biomaterials for regenerative engineering, since they can be engineered into tissue mimetic 3D scaffolds to support cell growth due to their similarity to native extracellular matrix. Advanced nano- and micro-technologies have dramatically increased the ability to control properties and functionalities of hydrogel materials by facilitating biomimetic fabrication of more sophisticated compositions and architectures, thus extending our understanding of cell-matrix interactions at the nanoscale...
February 21, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28219280/disability-diversity-and-autism-philosophical-perspectives-on-health
#2
Lidia Ripamonti
This paper aims to explore the connection between health and developmental disorders, particularly in regard to the notion of 'neurodiversity', which considers high-functioning autism not as a lifelong disability but a neurological form within a diversity of human minds. In recent years, autistic activist movements have called for a more positive, humanizing, identity-first language when describing this condition, rejecting negative language such as 'disorder', 'deficit', and 'impairment', and instead describing autism as a way of being, part of one's personal identity, which does not always need to be cured...
April 2016: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
https://www.readbyqxmd.com/read/28215288/applications-of-dynamic-systems-theory-to-cognition-and-development-new-frontiers
#3
S Perone, V R Simmering
A central goal in developmental science is to explain the emergence of new behavioral forms. Researchers consider potential sources of behavioral change depending partly on their theoretical perspective. This chapter reviews one perspective, dynamic systems theory, which emphasizes the interactions among multiple components to drive behavior and developmental change. To illustrate the central concepts of dynamic systems theory, we describe empirical and computational studies from a range of domains, including motor development, the Piagetian A-not-B task, infant visual recognition, visual working memory capacity, and language learning...
2017: Advances in Child Development and Behavior
https://www.readbyqxmd.com/read/28204845/mirnas-target-databases-developmental-methods-and-target-identification-techniques-with-functional-annotations
#4
REVIEW
Nagendra Kumar Singh
PURPOSE: microRNA (miRNA) regulates diverse biological mechanisms and metabolisms in plants and animals. Thus, the discoveries of miRNA has revolutionized the life sciences and medical research.The miRNA represses and cleaves the targeted mRNA by binding perfect or near perfect or imperfect complementary base pairs by RNA-induced silencing complex (RISC) formation during biogenesis process. One miRNA interacts with one or more mRNA genes and vice versa, hence takes part in causing various diseases...
February 15, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28188562/non-obvious-influences-on-perception-action-abilities
#5
Michael T Turvey, Adam Sheya
The sciences of development and learning have been slow to acknowledge that absence of an identifiable experience that relates straightforwardly to a given perception-action ability need not mean that experience per se is irrelevant to the emergence of that ability. A recent study reveals that a difference in diet (plain vs. energy rich) leads to a difference in how rats navigate (use of geometry vs. use of features, respectively). It is a good example of how a seemingly unrelated experience (e.g., what the rats eat) can be a non-obvious yet crucial determiner of perception-action modes...
February 10, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28185806/the-effect-of-acute-and-chronic-exercise-on-cognitive-function-and-academic-performance-in-adolescents-a-systematic-review
#6
REVIEW
Joanna W Li, Helen O'Connor, Nicholas O'Dwyer, Rhonda Orr
OBJECTIVES: To investigate whether exercise, proposed to enhance neuroplasticity and potentially cognitive function (CF) and academic performance (AP), may be beneficial during adolescence when important developmental changes occur. DESIGN: Systematic review evaluating the impact of acute or chronic exercise on CF and AP in adolescents (13-18 years). METHODS: Nine databases (AMED, AusportMed, CINAHL, COCHRANE, Embase, Medline, Scopus, SPORTdiscus, Web of Science) were searched from earliest records to 31st October 2016, using keywords related to exercise, CF, AP and adolescents...
January 24, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28182485/-wolves-canis-lupus-and-dogs-canis-familiaris-differ-in-following-human-gaze-into-distant-space-but-respond-similar-to-their-packmates-gaze-correction-to-werhahn-et-al-2016
#7
(no author information available yet)
Reports an error in "Wolves (Canis lupus) and dogs (Canis familiaris) differ in following human gaze into distant space but respond similar to their packmates' gaze" by Geraldine Werhahn, Zsófia Virányi, Gabriela Barrera, Andrea Sommese and Friederike Range (Journal of Comparative Psychology, 2016[Aug], Vol 130[3], 288-298). In the article, the affiliations for the second and fifth authors should be Wolf Science Center, Ernstbrunn, Austria, and Comparative Cognition, Messerli Research Institute, University of Veterinary Medicine Vienna/ Medical University of Vienna/University of Vienna...
February 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28168720/external-morphogenesis-of-the-tardigrade-hypsibius-dujardini-as-revealed-by-scanning-electron-microscopy
#8
Vladimir Gross, Irene Minich, Georg Mayer
Tardigrada, commonly called water bears, is a taxon of microscopic panarthropods with five-segmented bodies and four pairs of walking legs. Although tardigrades have been known to science for several centuries, questions remain regarding many aspects of their biology, such as embryogenesis. Herein, we used scanning electron microscopy to document the external changes that occur during embryonic development in the tardigrade Hypsibius dujardini (Eutardigrada, Parachela, Hypsibiidae). Our results show an accelerated development of external features, with approximately 30 hrs separating the point at which external structures first become recognizable and a fully formed embryo...
February 6, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28166485/neuroimaging-and-occupational-therapy-bridging-the-gap-to-advance-rehabilitation-in-developmental-coordination-disorder
#9
Meisan Brown-Lum, Jill G Zwicker
Developmental coordination disorder (DCD) is a neurodevelopmental disorder characterized by poor motor skills that interfere with a child's ability to perform everyday activities. Little is known about the neural mechanisms that implicate DCD, making it difficult to understand why children with DCD struggle to learn motor skills and selecting the best intervention to optimize function. Neuroimaging studies that utilize magnetic resonance imaging techniques have the capacity to play a critical role in helping to guide clinicians to optimize functional outcomes of children with DCD using evidence-based rehabilitation interventions...
February 6, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28163912/the-benefits-of-youth-are-lost-on-the-young-cardiac-arrest-patient
#10
REVIEW
Brian Griffith, Patrick Kochanek, Cameron Dezfulian
Children and young adults tend to have reduced mortality and disability after acquired brain injuries such as trauma or stroke and across other disease processes seen in critical care medicine. However, after out-of-hospital cardiac arrest (OHCA), outcomes are remarkably similar across age groups. The consistent lack of witnessed arrests and a high incidence of asphyxial or respiratory etiology arrests among pediatric and young adult patients with OHCA account for a substantial portion of the difference in outcomes...
2017: F1000Research
https://www.readbyqxmd.com/read/28161313/development-of-large-scale-functional-networks-from-birth-to-adulthood-a-guide-to-neuroimaging-literature
#11
David S Grayson, Damien A Fair
The development of human cognition results from the emergence of coordinated brain activity betweeen distant brain areas. Network science, combined with non-invasive functional imaging, has generated unprecedented insights regarding the adult brain's functional organization, and promises to help elucidate the development of functional architectures supporting complex behavior. Here we review what is known about functional network development from birth until adulthood, particularly as understood through the use of resting-state functional connectivity MRI (rs-fcMRI)...
February 1, 2017: NeuroImage
https://www.readbyqxmd.com/read/28160274/new-directions-in-developmentally-informed-intervention-research-for-vulnerable-populations
#12
Hirokazu Yoshikawa, Mackenzie D M Whipps, Natalia M Rojas
This special section of Child Development brings together experts in developmental science and intervention research to incorporate current evidence on resilience for vulnerable populations and give concrete suggestions for action and research. This commentary synthesizes the contributions of the articles, noting themes such as simultaneous attention to multiple risk, protective, and promotive processes; integrating new principles from clinical and therapeutic interventions; and adapting intervention approaches for new populations...
February 3, 2017: Child Development
https://www.readbyqxmd.com/read/28131856/embryology-meets-molecular-biology-deciphering-the-apical-ectodermal-ridge
#13
REVIEW
Jamie M Verheyden, Xin Sun
More than sixty years ago, while studying feather tracks on the shoulder of the chick embryo, Dr. John Saunders used Nile Blue dye to stain the tissue. There, he noticed a darkly stained line of cells that neatly rims the tip of the growing limb bud. Rather than ignoring this observation, he followed it up by removing this tissue and found that it led to a striking truncation of the limb skeletons. This landmark experiment marks the serendipitous discovery of the apical ectodermal ridge (AER), the quintessential embryonic structure that drives the outgrowth of the limb...
January 25, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28130929/use-of-antenatal-corticosteroids-in-special-circumstances-a-comprehensive-review
#14
Everett F Magann, Kjell Haram, Songthip Ounpraseuth, Jan Helge Mortensen, Horace J Spencer, John C Morrison
OBJECTIVE: To determine in pregnancies complicated by preterm premature rupture of membranes (PPROM), hypertension, intrauterine growth restriction, multi-fetal gestations and pregnancies 23- 26 weeks≥ 34 weeks gestation whether antenatal corticosteroids benefit the fetus. DATA SOURCES: Literature review using PubMed, Web of Science, Clinical trials. gov, Cochrane Database of Systematic Reviews (1990 - 2015). METHODS OF STUDY SELECTION: Search terms linked special circumstances with corticosteroids...
January 28, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28130271/time-to-credit-gender-inequities-of-first-year-phd-students-in-the-biological-sciences
#15
David F Feldon, James Peugh, Michelle A Maher, Josipa Roksa, Colby Tofel-Grehl
Equitable gender representation is an important aspect of scientific workforce development to secure a sufficient number of individuals and a diversity of perspectives. Biology is the most gender equitable of all scientific fields by the marker of degree attainment, with 52.5% of PhDs awarded to women. However, equitable rates of degree completion do not translate into equitable attainment of faculty or postdoctoral positions, suggesting continued existence of gender inequalities. In a national cohort of 336 first-year PhD students in the biological sciences (i...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/28127390/weird-genotypes-don-t-discard-them-transmissible-cancer-could-be-an-explanation
#16
Florentine Riquet, Alexis Simon, Nicolas Bierne
Genetic chimerism is rarely considered in the analysis of population genetics data, because assumed to be an exceptionally rare, mostly benign, developmental accident. An unappreciated source of chimerism is transmissible cancer, when malignant cells have become independent parasites and can infect other individuals. Parasitic cancers were thought to be rare exceptions, only reported in dogs (Murgia et al., Cell, 2006, 126, 477; Rebbeck et al., Evolution, 2009, 63, 2340), Tasmanian devils (Pearse and Swift, Nature, 2006, 439, 549; Pye et al...
February 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/28109444/monitoring-protein-synthesis-in-caenorhabditis-elegans-using-silac
#17
M Miyagi
The static levels of proteins are the net results of their production and clearance regulated by the activities of proteins involved in their synthesis, degradation, and transportation. Therefore, the information on the rates of protein synthesis and clearance is needed to understand the underlying dynamic nature of a proteome. In this chapter, the experimental technique, we use in our laboratory for monitoring the synthesis of individual proteins in Caenorhabditis elegans (C. elegans) is described. The technique utilizes a preisotopically labeled amino acid ((13)C6-Lys) as a precursor for protein synthesis and monitors the kinetics of the precursor incorporation into the newly synthesized proteins...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28106045/identification-of-shared-and-unique-gene-families-associated-with-oral-clefts
#18
Noriko Funato, Masataka Nakamura
Oral clefts, the most frequent congenital birth defects in humans, are multifactorial disorders caused by genetic and environmental factors. Epidemiological studies point to different etiologies underlying the oral cleft phenotypes, cleft lip (CL), CL and/or palate (CL/P) and cleft palate (CP). More than 350 genes have syndromic and/or nonsyndromic oral cleft associations in humans. Although genes related to genetic disorders associated with oral cleft phenotypes are known, a gap between detecting these associations and interpretation of their biological importance has remained...
January 20, 2017: International Journal of Oral Science
https://www.readbyqxmd.com/read/28095647/new-generation-mass-spectrometry-expands-the-toolbox-of-cell-and-developmental-biology
#19
REVIEW
Camille Lombard-Banek, Erika P Portero, Rosemary M Onjiko, Peter Nemes
Systems cell biology understanding of development requires characterization of all the molecules produced in the biological system. Decades of research and new-generation sequencing provided functional information on key genes and transcripts. However, there is less information available on how differential gene expression translates into the domains of functionally important proteins, peptides, and metabolites, and how changes in these molecules impact development. Mass spectrometry (MS) is the current technology of choice for the detection and quantification of large numbers of proteins and metabolites, because it requires no use of antibodies, functional probes, or a priori knowledge of molecules produced in the system...
January 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28079529/leveraging-the-skills-of-nurses-and-the-power-of-language-nutrition-to-ensure-a-better-future-for-children
#20
REVIEW
Ashley Darcy Mahoney, Lauren Head Zauche, Sunny Hallowell, Arianne Weldon, Jennifer Stapel-Wax
BACKGROUND: Early language exposure is critical for language acquisition and significantly influences a child's literacy skills. However, preterm infants may experience language deprivation in the neonatal intensive care unit. Nurses are vital to helping parents understand their critical role in early language development. PURPOSE: To discuss the impact of language-rich interactions and interventions that promote early language exposure, or Language Nutrition, by parents and caregivers on the long-term developmental, language, and educational outcomes of high-risk infants...
February 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
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