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https://www.readbyqxmd.com/read/28731324/using-infrared-spectroscopy-and-multivariate-analysis-to-detect-antibiotics-resistant-escherichia-coli-bacteria
#1
Uraib Sharaha, Eladio Rodriguez-Diaz, Klaris Riesenberg, Irving J Bigio, Mahmoud Huleihel, Ahmad Salman
Bacterial pathogens are one of the primary causes of human morbidity worldwide. Historically, antibiotics have been highly effective against most bacterial pathogens; however, the increasing resistance of bacteria to a broad spectrum of commonly used antibiotics has become a global health-care problem. Early and rapid determination of bacterial susceptibility to antibiotics has become essential in many clinical settings, and, sometimes, can save lives. Currently classical procedures require at least 48 hours for determining bacterial susceptibility, which can constitute a life-threatening delay for effective treatment...
July 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28725119/vlbi-observations-of-gnss-satellites-from-scheduling-to-analysis
#2
Lucia Plank, Andreas Hellerschmied, Jamie McCallum, Johannes Böhm, Jim Lovell
The possibility of observing satellites with the very long baseline interferometry (VLBI) technique has been discussed for several years in the geodetic community, with observations of either existing satellites of the global navigation satellite systems or of satellites dedicated to realise a space tie. Such observations were carried out using the Australian telescopes in Hobart and Ceduna which, for the first time, integrated all the necessary steps: planning the observations (automated scheduling), correlation of the data and the generation of a series of time delay observables suitable for a subsequent geodetic analysis...
2017: Journal of Geodesy
https://www.readbyqxmd.com/read/28699502/chronic-wounds-innovations-in-diagnostics-and-therapeutics
#3
Marieke Haalboom
One of the major global health issues is the existence of chronic wounds. Chronic wounds are wounds that show a delayed, or even failed, healing process. The healing process often stagnates in the inflammatory phase or proliferative phase. Since traditional treatment methods have shown to be of limited effectiveness in chronic wound care, the focus has shifted to increase the knowledge of the wound healing process and the deficiencies encountered in chronic wounds. This increased knowledge has provided the opportunity for development of new diagnostics and therapeutics in chronic wound care that detect and treat specific deficiencies instead of one common treatment for all chronic wounds...
July 10, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28691434/universal-antiretroviral-therapy-for-hiv-infected-children-a-review-of-the-benefits-and-risks-to-consider-during-implementation
#4
Linda Barlow-Mosha, Victor Musiime, Mary-Ann Davies, Andrew J Prendergast, Philippa Musoke, George Siberry, Martina Penazzato
BACKGROUND: The 2016 World Health Organization (WHO) consolidated guidelines on the use of antiretroviral drugs for treating and preventing HIV infection, recommended to start all HIV-infected children on antiretroviral therapy (ART). Here, we explore the possible benefits and risks of implementing universal ART for all HIV-infected children and adolescents and outline some of the key considerations that led to the 2016 revision of WHO guidelines. METHODS: We conducted a review of the published data from 2000 to 2016, to ascertain the clinical and programmatic benefits, as well as the risks of implementing universal ART for all children...
June 27, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28691034/the-effects-of-time-lag-and-cure-rate-on-the-global-dynamics-of-hiv-1-model
#5
Nigar Ali, Gul Zaman, Abdullah, Aisha M Alqahtani, Ali Saleh Alshomrani
In this research article, a new mathematical model of delayed differential equations is developed which discusses the interaction among CD4 T cells, human immunodeficiency virus (HIV), and recombinant virus with cure rate. The model has two distributed intracellular delays. These delays denote the time needed for the infection of a cell. The dynamics of the model are completely described by the basic reproduction numbers represented by R0, R1, and R2. It is shown that if R0 < 1, then the infection-free equilibrium is locally as well as globally stable...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28687527/the-first-patient-with-sporadic-x-linked-intellectual-disability-with-de-novo-zdhhc9-mutation-identified-by-targeted-next-generation-sequencing
#6
Ji Yoon Han, In Goo Lee, Soyoung Shin, Myungshin Kim, Ja Hyun Jang, Joonhong Park
X-linked intellectual disability (XLID) is a genetically heterogeneous disorder involving more than 100 genes known to date. Here, we describe a Korean male infant with global developmental delay. He had neither facial dysmorphism nor skeletal abnormalities. Bayley scale of infant and toddler development third edition (Bayley-III) measured at age of 2 years revealed marked global developmental delays without Marfanoid habitus, structural brain abnormalities, or epilepsy. The patient's cognitive, motor, and language developmental ages were 8-9 months, 12 months, and 9 months, respectively...
July 4, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28685855/alcohol-exposure-during-pregnancy-altered-childhood-developmental-trajectories-in-a-rural-south-african-community
#7
Leigh-Anne Davies, Kate Cockcroft, Lynda Olinger, Matthew Chersich, Michael Urban, Candice M Chetty Makkan, Oliver H Turnbull, Leana Olivier, Denis Viljoen
AIM: This study examined the effects of prenatal alcohol exposure on childhood development trajectories in a rural South African community between 2003 and 2008. METHODS: We assessed 121 children at 7-12 months (year one) and 5-6 years (year five) using the Griffiths Mental Developmental Scales - Extended Revised, which measures sensorimotor, cognitive and social development, with lower scores indicating developmental delay. We also interviewed their mothers or caregivers...
July 7, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28685051/personalized-medicine-could-transform-healthcare
#8
Sunil Mathur, Joseph Sutton
Personalized medicine (PM) is about tailoring a treatment as individualized as the disease. The approach relies on identifying genetic, epigenomic, and clinical information that allows the breakthroughs in our understanding of how a person's unique genomic portfolio makes them vulnerable to certain diseases. PM approach is a complete extension of traditional approach (One-Size-Fits-All) to increasing our ability to predict which medical treatments will be safe and effective for individual patient, and which ones will not be, based on the patient's unique genetic profile...
July 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28681755/dravet-syndrome-with-scn1b-gene-mutation-a-rare-entity
#9
Devdeep Mukherjee, Swapan Mukherjee, Prabal Niyogi, Manas Mahapatra
Early infantile epileptic encephalopathy has a grave outcome. Dravet syndrome (DS), characterized by early onset, refractory seizures, and intellectual deficit is one of the variants of the condition. SCN1B gene mutation is one of the lesser known variants of DS. Increased awareness of genetic analysis has increased the early diagnosis of DS for an early prognostication as well as genetic counselling of parents. We present the case of a 7-month old male child who started having recurrent febrile, and thereafter, afebrile seizures, following administration of a vaccination at 3 months...
July 2017: Neurology India
https://www.readbyqxmd.com/read/28673451/a-prospective-proteomics-study-identified-potential-biomarkers-of-encapsulating-peritoneal-sclerosis-in-peritoneal-effluent
#10
Vasileios Zavvos, Anthony T Buxton, Caroline Evans, Mark Lambie, Simon J Davies, Nicholas Topley, Martin Wilkie, Angela Summers, Paul Brenchley, Dimitrios S Goumenos, Timothy S Johnson
Encapsulating peritoneal sclerosis (EPS) is a potentially devastating complication of peritoneal dialysis (PD). Diagnosis is often delayed due to the lack of effective and accurate diagnostic tools. We therefore examined peritoneal effluent for potential biomarkers that could predict or confirm the diagnosis of EPS and would be valuable in stratifying at-risk patients and driving appropriate interventions. Using prospectively collected samples from the Global Fluid Study and a cohort of Greek PD patients, we utilized 2D SDSPAGE/ MS and iTRAQ to identify changes in the peritoneal effluent proteome from patients diagnosed with EPS and controls matched for treatment exposure...
July 1, 2017: Kidney International
https://www.readbyqxmd.com/read/28667897/rate-of-force-development-and-muscle-activation-of-trunk-muscles-in%C3%A2-women-with-and-without-low-back-pain-a-case-control-study
#11
Denise Martineli Rossi, Mary Hellen Morcelli, Adalgiso Coscrato Cardozo, Benedito Sérgio Denadai, Mauro Gonçalves, Marcelo Tavella Navega
OBJECTIVE: To evaluate the rate of force development (RFD) and the rate of electromyography rise (RER) of global and local trunk muscles in women with and without low back pain. DESIGN: Cross-sectional study. SETTING: Laboratory setting. PARTICIPANTS: Twenty-eight women divided into low back pain (LBP, n = 14) and control groups (CG, n = 14) participated in this study. MAIN OUTCOME MEASURES: Subjects performed isometric contractions of trunk using an isokinetic dynamometer, and simultaneously the electromyography (EMG) signals were collected for global (rectus abdominis and longissimus thoracic) and local (internal oblique and multifidus) muscles...
July 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28667181/dnm1-encephalopathy-a-new-disease-of-vesicle-fission
#12
Sarah von Spiczak, Katherine L Helbig, Deepali N Shinde, Robert Huether, Manuela Pendziwiat, Charles Lourenço, Mark E Nunes, Dean P Sarco, Richard A Kaplan, Dennis J Dlugos, Heidi Kirsch, Anne Slavotinek, Maria R Cilio, Mackenzie C Cervenka, Julie S Cohen, Rebecca McClellan, Ali Fatemi, Amy Yuen, Yoshimi Sagawa, Rebecca Littlejohn, Scott D McLean, Laura Hernandez-Hernandez, Bridget Maher, Rikke S Møller, Elizabeth Palmer, John A Lawson, Colleen A Campbell, Charuta N Joshi, Diana L Kolbe, Georgie Hollingsworth, Bernd A Neubauer, Hiltrud Muhle, Ulrich Stephani, Ingrid E Scheffer, Sérgio D J Pena, Sanjay M Sisodiya, Ingo Helbig
OBJECTIVE: To evaluate the phenotypic spectrum caused by mutations in dynamin 1 (DNM1), encoding the presynaptic protein DNM1, and to investigate possible genotype-phenotype correlations and predicted functional consequences based on structural modeling. METHODS: We reviewed phenotypic data of 21 patients (7 previously published) with DNM1 mutations. We compared mutation data to known functional data and undertook biomolecular modeling to assess the effect of the mutations on protein function...
June 30, 2017: Neurology
https://www.readbyqxmd.com/read/28662915/a-new-patient-with-intermediate-severe-salla-disease%C3%A2-with-hypomyelination-a-literature-review-for-salla-disease
#13
Rebecca Barmherzig, Garrett Bullivant, Dawn Cordeiro, David S Sinasac, Susan Blaser, Saadet Mercimek-Mahmutoglu
BACKGROUND: Likely pathogenic variants in SLC17A5 results in allelic disorders of free sialic acid metabolism including (1) infantile free sialic acid storage disease with severe global developmental delay, coarse facial features, hepatosplenomegaly, and cardiomegaly; (2) intermediate severe Salla disease with moderate to severe global developmental delay, hypotonia, and hypomyelination with or without coarse facial features, and (3) Salla disease with normal appearance, mild cognitive dysfunction, and spasticity...
June 1, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28647496/a-comprehensive-complex-systems-approach-to-the-study-and-analysis-of-mammalian-cell-cycle-control-system-in-the-presence-of-dna-damage-stress
#14
Ali Abroudi, Sandhya Samarasinghe, Don Kulasiri
Not many models of mammalian cell cycle system exist due to its complexity. Some models are too complex and hard to understand, while some others are too simple and not comprehensive enough. Moreover, some essential aspects, such as the response of G1-S and G2-M checkpoints to DNA damage as well as the growth factor signalling, have not been investigated from a systems point of view in current mammalian cell cycle models. To address these issues, we bring a holistic perspective to cell cycle by mathematically modelling it as a complex system consisting of important sub-systems that interact with each other...
June 22, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28644135/evaluation-of-thromboelastometry-parameters-as-predictive-markers-for-sinusoidal-obstruction-syndrome-in-patients-undergoing-allogeneic-stem-cell-transplantation-for-acute-leukaemia
#15
Joanna Rupa-Matysek, Lidia Gil, Ewelina Wojtasińska, Zuzanna Kanduła, Adam Nowicki, Magdalena Matuszak, Mieczysław Komarnicki
Hepatic sinusoidal obstruction syndrome (previously named veno-occlusive disease, SOS/VOD) is a serious complication of allogeneic stem cell transplantation (HSCT). Early identification of patients at risk of SOS/VOD may possibly improve the outcome and reduce mortality. Rotation thromboelastometry (ROTEM) is global assay allowing for the precise assessment of both bleeding and thrombotic conditions, however, its usefulness in patients undergoing HSCT for acute leukaemia has not been studied.We evaluated the thromboelastometry parameters in patients undergoing allogeneic HSCT for acute leukaemia to identify candidate biomarkers of SOS/VOD occurrence...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28638259/global-alert-zika-virus-an-emerging-arbovirus
#16
REVIEW
Zulal Ozkurt, Esra Cinar Tanriverdi
Zika virus (ZIKV) is an arbovirus of the Flavivirus genus, and it has an envelope and a single RNA molecule. In early 2016, the World Health Organization declared ZIKV infection to be an emerging global health threat. The major transmission route of the virus to humans is Aedes mosquitoes. ZIKV can be transmitted between humans by transplacental, perinatal, and sexual routes and via blood and body fluids. ZIKV infection usually results in a mild and self-limiting disease with low-grade fever, conjunctivitis, and periorbital edema...
June 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28638151/the-crystal-structure-of-human-rogdi-provides-insight-into-the-causes-of-kohlschutter-t%C3%A3-nz-syndrome
#17
Hakbong Lee, Hanbin Jeong, Joonho Choe, Youngsoo Jun, Chunghun Lim, Changwook Lee
Kohlschutter-Tönz syndrome (KTS) is a rare autosomal-recessive disorder of childhood onset characterized by global developmental delay, spasticity, epilepsy, and amelogenesis imperfecta. Rogdi, an essential protein, is highly conserved across metazoans, and mutations in Rogdi are linked to KTS. However, how certain mutations in Rogdi abolish its physiological functions and cause KTS is not known. In this study, we determined the crystal structure of human Rogdi protein at atomic resolution. Rogdi forms a novel elongated curved structure comprising the α domain, a leucine-zipper-like four-helix bundle, and a characteristic β-sheet domain...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28635952/yunis-var%C3%A3-n-syndrome-caused-by-biallelic-vac14-mutations
#18
Matthew A Lines, Yoko Ito, Kristin D Kernohan, Wendy Mears, Julie Hurteau-Miller, Sunita Venkateswaran, Leanne Ward, Karine Khatchadourian, Jeff McClintock, Priya Bhola, Philippe M Campeau, Kym M Boycott, Jean Michaud, André Bp van Kuilenburg, Sacha Ferdinandusse, David A Dyment
Yunis-Varón syndrome (YVS) is an autosomal recessive disorder comprising skeletal anomalies, dysmorphism, global developmental delay and intracytoplasmic vacuolation in brain and other tissues. All hitherto-reported pathogenic variants affect FIG4, a lipid phosphatase involved in phosphatidylinositol (3,5)-bisphosphate [PtdIns(3,5)P2] metabolism. FIG4 interacts with PIKfyve, a lipid kinase, via the adapter protein VAC14; all subunits of the resulting complex are essential for PtdIns(3,5)P2 synthesis in the endolysosomal membrane compartment...
June 21, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28635076/supernumeraries-in-nicolaides-baraitser-syndrome
#19
Bouthayna Al-Tamimi, Stefan Abela, Huw G Jeremiah, Robert D Evans
BACKGROUND: Nicolaides-Baraitser Syndrome(NCBRS) is an extremely rare condition which has been reported in only a few cases. NCBRS is a distinct clinical condition with typical clinical features of pre- and post-natal global developmental delay, impaired speech, and seizures. Microcephaly, sparse hair, anteverted alae nasi, undefined philtrum, prominence of distal phalanges and interphalangeal joints, and short metacarpals are also typical of NCBRS. CASE REPORT: There are no reported cases in the literature of patients with NCBRS presenting with multiple dental impactions, and to the authors' knowledge, this is the 28th fully documented case of NCBRS and only 75 cases identified as potentially having NCBRS...
June 21, 2017: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/28625273/development-of-a-core-outcome-set-for-disease-modification-trials-in-mild-to-moderate-dementia-a-systematic-review-patient-and-public-consultation-and-consensus-recommendations
#20
Lucy Webster, Derek Groskreutz, Anna Grinbergs-Saull, Rob Howard, John T O'Brien, Gail Mountain, Sube Banerjee, Bob Woods, Robert Perneczky, Louise Lafortune, Charlotte Roberts, Jenny McCleery, James Pickett, Frances Bunn, David Challis, Georgina Charlesworth, Katie Featherstone, Chris Fox, Claire Goodman, Roy Jones, Sallie Lamb, Esme Moniz-Cook, Justine Schneider, Sasha Shepperd, Claire Surr, Jo Thompson-Coon, Clive Ballard, Carol Brayne, Orlaith Burke, Alistair Burns, Linda Clare, Peter Garrard, Patrick Kehoe, Peter Passmore, Clive Holmes, Ian Maidment, Fliss Murtagh, Louise Robinson, Gill Livingston
BACKGROUND: There is currently no disease-modifying treatment available to halt or delay the progression of the disease pathology in dementia. An agreed core set of the best-available and most appropriate outcomes for disease modification would facilitate the design of trials and ensure consistency across disease modification trials, as well as making results comparable and meta-analysable in future trials. OBJECTIVES: To agree a set of core outcomes for disease modification trials for mild to moderate dementia with the UK dementia research community and patient and public involvement (PPI)...
May 2017: Health Technology Assessment: HTA
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