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https://www.readbyqxmd.com/read/28302170/identification-of-residues-important-for-the-activity-of-aldehyde-deformylating-oxygenase-through-investigation-into-the-structure-activity-relationship
#1
Qing Wang, Luyao Bao, Chenjun Jia, Mei Li, Jian-Jun Li, Xuefeng Lu
BACKGROUND: Aldehyde-deformylating oxygenase (ADO) is a key enzyme involved in the biosynthetic pathway of fatty alk(a/e)nes in cyanobacteria. However, cADO (cyanobacterial ADO) showed extreme low activity with the k cat value below 1 min(-1), which would limit its application in biofuel production. To identify the activity related key residues of cADO is urgently required. RESULTS: The amino acid residues which might affect cADO activity were identified based on the crystal structures and sequence alignment of cADOs, including the residues close to the di-iron center (Tyr39, Arg62, Gln110, Tyr122, Asp143 of cADO-1593), the protein surface (Trp 178 of cADO-1593), and those involved in two important hydrogen bonds (Gln49, Asn123 of cADO-1593, and Asp49, Asn123 of cADO-sll0208) and in the oligopeptide whose conformation changed in the absence of the di-iron center (Leu146, Asn149, Phe150 of cADO-1593, and Thr146, Leu148, Tyr150 of cADO-sll0208)...
March 16, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28301102/neural-correlates-of-language-variability-in-preschool-aged-boys-with-autism-spectrum-disorder
#2
Letitia R Naigles, Ryan Johnson, Ann Mastergeorge, Sally Ozonoff, Sally J Rogers, David G Amaral, Christine Wu Nordahl
Children with autism vary widely in their language abilities, yet the neural correlates of this language variability remain unclear, especially early in development. Diffusion tensor imaging (DTI) was used to examine diffusivity measures along the length of 18 major fiber tracts in 104 preschool-aged boys with autism spectrum disorder (ASD). The boys were assigned to subgroups according to their level of language development (Low: no/low language, Middle: small vocabulary, High: large vocabulary and grammar), based on their raw scores on the expressive language (EL) and receptive language (RL) sections of the Mullen Scales of Early Learning (MSEL)...
March 16, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28301091/shorter-sleep-duration-is-associated-with-social-impairment-and-comorbidities-in-asd
#3
Olivia J Veatch, James S Sutcliffe, Zachary E Warren, Brendan T Keenan, Melissa H Potter, Beth A Malow
Sleep disturbance, particularly insomnia, is common in children with autism spectrum disorders (ASD). Furthermore, disturbed sleep affects core symptoms and other related comorbidities. Understanding the causes and consequences of sleep disturbances in children with ASD is an important step toward mitigating these symptoms. To better understand the connection between sleep duration and ASD severity, we analyzed ASD-related symptoms using the Autism Diagnostic Interview-Revised (ADI-R), Autism Diagnostic Observation Schedule (ADOS), IQ scores, and parent reports of the average amount of time slept per night that were available in the medical histories of 2,714 children with ASD in the Simons Simplex Collection (SSC)...
March 16, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28296973/quantitative-analysis-of-disfluency-in-children-with-autism-spectrum-disorder-or-language-impairment
#4
Heather MacFarlane, Kyle Gorman, Rosemary Ingham, Alison Presmanes Hill, Katina Papadakis, Géza Kiss, Jan van Santen
Deficits in social communication, particularly pragmatic language, are characteristic of individuals with autism spectrum disorder (ASD). Speech disfluencies may serve pragmatic functions such as cueing speaking problems. Previous studies have found that speakers with ASD differ from typically developing (TD) speakers in the types and patterns of disfluencies they produce, but fail to provide sufficiently detailed characterizations of the methods used to categorize and quantify disfluency, making cross-study comparison difficult...
2017: PloS One
https://www.readbyqxmd.com/read/28266789/social-communication-in-children-with-autism-spectrum-disorder-asd-correlation-between-dsm-5-and-autism-classification-system-of-functioning-social-communication-acsf-sc
#5
Francesco Craig, Isabella Fanizza, Luigi Russo, Elisabetta Lucarelli, Lorenzo Alessandro, Maria Grazia Pasca, Antonio Trabacca
The aim of this study was to classify children with Autism Spectrum Disorder (ASD) according to Autism Classification System of Functioning: Social Communication (ACSF:SC) criteria, in order to investigate the association between social communication ability, ASD severity, adaptive functioning, cognitive abilities and psychoeducational profile. The severity of social communication impairment was specified through Diagnostic and Statistical Manual of Mental Disorders-5th edition (DSM-5) and ACSF:SC tool. The ADOS-2, Vineland-II and PEP-3 were administered to all participants...
March 7, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28265795/brief-report-the-ados-calibrated-severity-score-best-measures-autism-diagnostic-symptom-severity-in-pre-school-children
#6
Lisa D Wiggins, Brian Barger, Eric Moody, Gnakub Soke, Juhi Pandey, Susan Levy
The severity of autism spectrum disorder (ASD) is often measured by co-occurring conditions, such as intellectual disability or language delay, rather than deficits in social interaction, and restricted interests and repetitive behaviors. The Autism Diagnostic Observation Schedule calibrated severity score (ADOS CSS) was created to facilitate comparison of the diagnostic features of ASD independent of related conditions over time. We examined the relationship between the ADOS CSS, ADOS total score, and clinician rated degree of impairment (DOI) in the Study to Explore Early Development...
March 6, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28264487/investigating-autism-related-symptoms-in-children-with-prader-willi-syndrome-a-case-study
#7
Jeffrey A Bennett, Sandra Hodgetts, Michelle L Mackenzie, Andrea M Haqq, Lonnie Zwaigenbaum
Prader-Willi syndrome (PWS), a rare genetic disorder caused by the lack of expression of paternal genes from chromosome 15q11-13, has been investigated for autism spectrum disorder (ASD) symptomatology in various studies. However, previous findings have been variable, and no studies investigating ASD symptomatology in PWS have exclusively studied children. We aimed to characterize social communication functioning and other ASD-related symptoms in children with PWS, and assessed agreement across measures and rates of ASD diagnosis...
February 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28261479/neurocognitive-functions-and-social-functioning-in-young-females-with-recent-onset-anorexia-nervosa-and-recovered-individuals
#8
Mette Bentz, Jens Richardt Moellegaard Jepsen, Gry Kjaersdam Telléus, Ulla Moslet, Tine Pedersen, Cynthia M Bulik, Kerstin Jessica Plessen
BACKGROUND: Young individuals with anorexia nervosa (AN) or recovered from AN display impairments of social function. To date, however, it is not clear whether they differ from controls with respect to neurocognitive performance and whether those functions contribute to the compromised social function observed in individuals with AN. METHODS: We included 43 young females with first-episode AN, 28 individuals recovered from adolescent-onset AN, and 41 control individuals (14-22 yr), all without comorbid autism spectrum disorder...
2017: Journal of Eating Disorders
https://www.readbyqxmd.com/read/28261286/fenestration-closure-with-amplatzer-duct-occluder-ii-in-patients-after-total-cavo-pulmonary-connection
#9
Sebastian Góreczny, Paweł Dryżek, Gareth J Morgan, Anna Mazurek-Kula, Jacek J Moll, Jadwiga A Moll, Shakeel Qureshi, Tomasz Moszura
INTRODUCTION: Creation of a fenestration during completion of a total cavopulmonary connection (TCPC) has been associated with a reduction in early mortality and morbidity. However, the long-term benefits are negated by an associated limitation in exercise tolerance and the potential risks of thrombo-embolic complications. We sought to describe the safety and efficacy of an Amplatzer Duct Occluder II (ADO II) for transcatheter fenestration closure following TCPC. MATERIAL AND METHODS: Between January 2000 and July 2014, 102 patients underwent percutaneous closure of extra-cardiac TCPC fenestrations with a range of devices...
March 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28259011/clinical-use-of-biomarkers-in-breast-cancer-updated-guidelines-from-the-european-group-on-tumor-markers-egtm
#10
REVIEW
M J Duffy, N Harbeck, M Nap, R Molina, A Nicolini, E Senkus, F Cardoso
Biomarkers play an essential role in the management of patients with invasive breast cancer. For selecting patients likely to respond to endocrine therapy, both oestrogen receptors (ERs) and progesterone receptors (PRs) should be measured on all newly diagnosed invasive breast cancers. On the other hand, for selecting likely response to all forms of anti-HER2 therapy (trastuzumab, pertuzumab, lapatinib or ado-trastuzumab emtansine), determination of HER2 expression or gene copy number is mandatory. Where feasible, measurement of ER, PR and HER2 should be performed on recurrent lesions and the primary invasive tumour...
February 27, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28258658/transcatheter-closure-of-patent-ductus-arteriosus-using-the-amplatzer%C3%A2-duct-occluder-ii-ado-ii
#11
Daniel H Gruenstein, Makram Ebeid, Wolfgang Radtke, Phillip Moore, Ralf Holzer, Henri Justino
OBJECTIVES: The study purpose is to evaluate the safety and efficacy of the ADO II device for closure of patent ductus arteriosus (PDA) in children. BACKGROUND: Transcatheter treatment of PDA has been evolving for 40+ years and is the treatment of choice. The AMPLATZER™ Duct Occluder (ADO) device was developed for larger diameter ducts and is not ideal in all PDAs. ADO II was developed for small to moderate-sized ducts. METHODS: This is a single-arm, multicenter study evaluating safety and efficacy of the ADO II device...
March 4, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28251697/-biocompatible-neutral-ph-low-gdp-peritoneal-dialysis-solutions-much-ado-about-nothing
#12
Paraish S Misra, Sharon J Nessim, Jeffrey Perl
Adverse outcomes in peritoneal dialysis (PD), including PD related infections, the loss of residual kidney function (RKF), and longitudinal, deleterious changes in peritoneal membrane function continue to limit the long-term success of PD therapy. The observation that these deleterious changes occur upon exposure to conventional glucose-based PD solutions fuels the search for a more biocompatible PD solution. The development of a novel PD solution with a neutral pH, and lower in glucose degradation products (GDPs) compared to its conventional predecessors has been labeled a "biocompatible" solution...
March 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28251252/perimembranous-ventricular-septal-defect%C3%A2-device%C3%A2-closure-choosing%C3%A2-between-amplatzer-duct-occluder-i-and-ii
#13
Amal El-Sisi, R Sobhy, V Jaccoub, H Hamza
Transcatheter closure of perimembranous ventricular septal defects (pmVSDs) is a well-established procedure. Recently, Amplatzer duct occluders (ADO) I and II have been reported to close large series of pmVSDs successfully (off-label use). ADOs are economical compared with the standard Amplatzer VSD occluders, a major consideration in developing countries with low-budget programs. We report closure of symptomatic, hemodynamically significant pmVSDs using the ADOI and ADOII devices. Although there are no set criteria for choosing between ADOI and ADOII, the former's price tag includes snare and long sheath...
March 1, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28244013/impact-of-airflow-limitation-in-chronic-heart-failure
#14
S Bektas, F M E Franssen, V van Empel, N Uszko-Lencer, J Boyne, C Knackstedt, H P Brunner-La Rocca
BACKGROUND: Comorbidities are common in chronic heart failure (HF) patients, but diagnoses are often not based on objective testing. Chronic obstructive pulmonary disease (COPD) is an important comorbidity and often neglected because of shared symptoms and risk factors. Precise prevalence and consequences are not well known. Therefore, we investigated prevalence, pulmonary treatment, symptoms and quality of life (QOL) of COPD in patients with chronic HF. METHODS: 205 patients with stable HF for at least 1 month, aged above 50 years, were included from our outpatient cardiology clinic, irrespective of left ventricular ejection fraction...
February 27, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28238115/sex-differences-in-diagnosis-and-clinical-phenotypes-of-chinese-children-with-autism-spectrum-disorder
#15
Shihuan Wang, Hongzhu Deng, Cong You, Kaiyun Chen, Jianying Li, Chun Tang, Chaoqun Ceng, Yuanyuan Zou, Xiaobing Zou
The aim of this study was to explore the differences between boys and girls in the diagnosis and clinical phenotypes of autism spectrum disorder (ASD) in China's mainland. Children diagnosed with ASD (n = 1064, 228 females) were retrospectively included in the analysis. All children were assessed using the Autism Diagnostic Interview-Revised (ADI-R) and Autism Diagnostic Observation Schedule (ADOS). The results showed that girls scored significantly higher in ADI-R socio-emotional reciprocity than boys, and also scored lower in ADI-R and ADOS restricted and repetitive behaviors (RRBs)...
April 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28236776/evolving-landscape-of-human-epidermal-growth-factor-receptor-2-positive-breast-cancer-treatment-and-the-future-of-biosimilars
#16
REVIEW
Christian Jackisch, Philip Lammers, Ira Jacobs
Human epidermal growth factor receptor 2-positive (HER2+) breast cancer comprises approximately 15%-20% of all breast cancers and is associated with a poor prognosis. The introduction of anti-HER2 therapy has significantly improved clinical outcomes for patients with HER2+ breast cancer, and multiple HER2-directed agents (ie, trastuzumab, pertuzumab, lapatinib, and ado-trastuzumab emtansine [T-DM1]) are approved for clinical use in various settings. The treatment landscape for patients with HER2+ breast cancer is continuing to evolve...
April 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28235886/the-pearl-score-predicts-90-day-readmission-or-death-after-hospitalisation-for-acute-exacerbation-of-copd
#17
C Echevarria, J Steer, K Heslop-Marshall, S C Stenton, P M Hickey, R Hughes, M Wijesinghe, R N Harrison, N Steen, A J Simpson, G J Gibson, S C Bourke
BACKGROUND: One in three patients hospitalised due to acute exacerbation of COPD (AECOPD) is readmitted within 90 days. No tool has been developed specifically in this population to predict readmission or death. Clinicians are unable to identify patients at particular risk, yet resources to prevent readmission are allocated based on clinical judgement. METHODS: In participating hospitals, consecutive admissions of patients with AECOPD were identified by screening wards and reviewing coding records...
February 24, 2017: Thorax
https://www.readbyqxmd.com/read/28230183/drosophila-imaginal-disc-growth-factor-2-is-a-trophic-factor-involved-in-energy-balance-detoxification-and-innate-immunity
#18
Vaclav Broz, Lucie Kucerova, Lenka Rouhova, Jana Fleischmannova, Hynek Strnad, Peter J Bryant, Michal Zurovec
Drosophila imaginal disc growth factor 2 (IDGF2) is a member of chitinase-like protein family (CLPs) able to induce the proliferation of imaginal disc cells in vitro. In this study we characterized physiological concentrations and expression of IDGF2 in vivo as well as its impact on the viability and transcriptional profile of Drosophila cells in vitro. We show that IDGF2 is independent of insulin and protects cells from death caused by serum deprivation, toxicity of xenobiotics or high concentrations of extracellular adenosine (Ado) and deoxyadenosine (dAdo)...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229349/joint-attention-and-the-social-phenotype-of-school-aged-children-with-asd
#19
Peter Mundy, Stephanie Novotny, Lindsey Swain-Lerro, Nancy McIntyre, Matt Zajic, Tasha Oswald
The validity of joint attention assessment in school-aged children with ASD is unclear (Lord, Jones, Journal of Child Psychology and Psychiatry 53(5):490-509, 2012). This study examined the feasibility and validity of a parent-report measure of joint attention related behaviors in verbal children and adolescents with ASD. Fifty-two children with ASD and 34 controls were assessed with the Childhood Joint Attention Rating Scale (C-JARS). The C-JARS exhibited internally consistency, α = 0.88, and one factor explained 49% of the scale variance...
February 22, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28208057/vertical-alveolar-distraction-osteogenesis-of-the-atrophic-posterior-mandible-before-dental-implant-insertion
#20
Adi Rachmiel, Dekel Shilo, Dror Aizenbud, Omri Emodi
PURPOSE: Augmentation of deficient mandibular posterior alveolar ridges poses a great challenge because of extensive bone deficiency and the presence of the inferior alveolar nerve. This study sets its focus on vertical alveolar distraction osteogenesis (ADO) at the posterior mandible before dental implant placement. MATERIALS AND METHODS: The study included 21 sites in 18 patients with severe mandibular posterior alveolar ridge deficiency. A trapezoidal osteotomy was performed, and an extraosseous alveolar distraction device was fixed and activated after a 4-day latency period at a rate of 0...
January 21, 2017: Journal of Oral and Maxillofacial Surgery
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