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https://www.readbyqxmd.com/read/28815408/diphenyl-diselenide-modulates-nucleotidases-reducing-inflammatory-responses-in-the-liver-of-toxoplasma-gondii-infected-mice
#1
Pedro H Doleski, Daniela B R Leal, Vanessa S Machado, Nathieli B Bottari, Alessandra G Manzoni, Emerson A Casali, Cesar E J Moritz, Ana C A Rocha, Giovana Camillo, Fernanda F Vogel, Lenita M Stefani, Ricardo E Mendes, Aleksandro Schafer da Silva
The aim of this study was to verify the effect of diphenyl diselenide (PhSe)2 on hepatic nucleotidases and on the concentration of purines in mice infected by Toxoplasma gondii. The animals were divided into four groups: Group A (uninfected), Group B (uninfected and treated with (PhSe)2), Group C (infected), and Group D (infected and treated with (PhSe)2). The inoculation (groups C and D) was performed with 50 cysts of T. gondii (ME-49 strain). Mice from groups B and D were treated with 5 μmol kg(-1) of (PhSe)2...
August 16, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28803739/two-stage-reconstruction-of-the-severely-deficient-alveolar-ridge-bone-graft-followed-by-alveolar-distraction-osteogenesis
#2
A Rachmiel, O Emodi, D Aizenbud, D Rachmiel, D Shilo
Distraction osteogenesis for the augmentation of severe alveolar bone deficiency has gained popularity during the past two decades. In cases where the vertical bone height is not sufficient to create a stable transport segment, performing alveolar distraction osteogenesis (ADO) is not possible. In these severe cases, a two-stage treatment protocol is suggested: onlay bone grafting followed by ADO. An iliac crest onlay bone graft followed by ADO was performed in 13 patients: seven in the mandible and six in the maxilla...
August 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28795659/role-of-mycotoxins-in-the-pathobiology-of-autism-a-first-evidence
#3
Barbara De Santis, Carlo Brera, Alessandra Mezzelani, Sabina Soricelli, Francesca Ciceri, Giorgio Moretti, Francesca Debegnach, Maria Clara Bonaglia, Laura Villa, Massimo Molteni, Maria Elisabetta Raggi
OBJECTIVES: Gene-environment interaction is an emerging hypothesis to expound not only the autism pathogenesis but also the increased incidence of neurodevelopmental disorders (such as autistic spectrum disorder, attention-deficit, hyperactivity disorder). Among xenobiotics, mycotoxins are worldwide contaminants of food that provoke toxicological effects, crucially resembling several symptoms associated with autism such as oxidative stress, intestinal permeability, and inflammation. Here, we focused on a group of mycotoxins to test their role in the manifestation of autism, try to explain their mechanism of action, and discuss possible preventive and therapeutic interventions...
August 10, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28792117/intrinsic-functional-connectivity-variance-and-state-specific-under-connectivity-in-autism
#4
Heng Chen, Jason S Nomi, Lucina Q Uddin, Xujun Duan, Huafu Chen
Autism spectrum disorder (ASD) is a neurodevelopmental condition associated with altered brain connectivity. Previous neuroimaging research demonstrates inconsistent results, particularly in studies of functional connectivity in ASD. Typically, these inconsistent findings are results of studies using static measures of resting-state functional connectivity. Recent work has demonstrated that functional brain connections are dynamic, suggesting that static connectivity metrics fail to capture nuanced time-varying properties of functional connections in the brain...
August 9, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28782981/an-examination-of-the-precision-of-the-autism-diagnostic-observation-schedule-using-item-response-theory
#5
Megan Kuhfeld, Alexandra Sturm
The current study examined the reliability of the Autism Diagnostic Observation Schedule (ADOS) across the continuum of severity of autism spectrum disorder (ASD) core deficits. Modules 3 and 4 of the ADOS assess the deficits of ASD in 2 core domains (Social Affect and Restrictive and Repetitive Behaviors [RRB]) among verbally fluent children, adolescents, and adults, and ADOS diagnostic classification of ASD is based on a total score that combines the 2 domains. Currently, the total and domain scores are calculated using only a subset of the administered items...
August 7, 2017: Psychological Assessment
https://www.readbyqxmd.com/read/28774199/physical-activity-patterns-and-clusters-in-1001-patients-with-copd
#6
Rafael Mesquita, Gabriele Spina, Fabio Pitta, David Donaire-Gonzalez, Brenda M Deering, Mehul S Patel, Katy E Mitchell, Jennifer Alison, Arnoldus Jr van Gestel, Stefanie Zogg, Philippe Gagnon, Beatriz Abascal-Bolado, Barbara Vagaggini, Judith Garcia-Aymerich, Sue C Jenkins, Elisabeth Apm Romme, Samantha Sc Kon, Paul S Albert, Benjamin Waschki, Dinesh Shrikrishna, Sally J Singh, Nicholas S Hopkinson, David Miedinger, Roberto P Benzo, François Maltais, Pierluigi Paggiaro, Zoe J McKeough, Michael I Polkey, Kylie Hill, William D-C Man, Christian F Clarenbach, Nidia A Hernandes, Daniela Savi, Sally Wootton, Karina C Furlanetto, Li W Cindy Ng, Anouk W Vaes, Christine Jenkins, Peter R Eastwood, Diana Jarreta, Anne Kirsten, Dina Brooks, David R Hillman, Thaís Sant'Anna, Kenneth Meijer, Selina Dürr, Erica Pa Rutten, Malcolm Kohler, Vanessa S Probst, Ruth Tal-Singer, Esther Garcia Gil, Albertus C den Brinker, Jörg D Leuppi, Peter Ma Calverley, Frank Wjm Smeenk, Richard W Costello, Marco Gramm, Roger Goldstein, Miriam Tj Groenen, Helgo Magnussen, Emiel Fm Wouters, Richard L ZuWallack, Oliver Amft, Henrik Watz, Martijn A Spruit
We described physical activity measures and hourly patterns in patients with chronic obstructive pulmonary disease (COPD) after stratification for generic and COPD-specific characteristics and, based on multiple physical activity measures, we identified clusters of patients. In total, 1001 patients with COPD (65% men; age, 67 years; forced expiratory volume in the first second [FEV1], 49% predicted) were studied cross-sectionally. Demographics, anthropometrics, lung function and clinical data were assessed...
August 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/28770524/interactive-effects-of-prenatal-antidepressant-exposure-and-likely-gene-disrupting-mutations-on-the-severity-of-autism-spectrum-disorder
#7
Sean Ackerman, Sarah Schoenrbun, Caitlin Hudac, Raphael Bernier
To examine the interactive effects of two proposed risk factors which may contribute to symptom severity of Autism Spectrum Disorder (ASD): prenatal antidepressant exposure and likely gene-disrupting (LGD) mutations. Participants included 2748 individuals with ASD from the Simons Simplex Collection. We examined the effects of prenatal antidepressant exposure, maternal depression, presence of an LGD mutation and their interaction on ASD severity. We found a significant interactive effect between antidepressant exposure and the presence of an LGD mutation on ASD severity in the ADOS and ADI-R verbal communication domains...
August 2, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28768695/%C3%A2-strontium-ranelate-discontinued
#8
(no author information available yet)
▼ Strontium ranelate discontinued ● Limited treatment options for molluscum contagiosum ● Finasteride drug safety alert ● Does doxycycline delay the next COPD exacerbation? ● Support for WHO standards on reporting clinical trial results ● Delayed antibiotic prescription for lower respiratory tract infections ● Nystatin dose change - much ado about nothing?
August 2, 2017: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/28768693/nystatin-dose-change-much-ado-about-nothing
#9
(no author information available yet)
No abstract text is available yet for this article.
August 2, 2017: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/28764748/a-phase-i-trial-of-ganetespib-in-combination-with-paclitaxel-and-trastuzumab-in-patients-with-human-epidermal-growth-factor-receptor-2-her2-positive-metastatic-breast-cancer
#10
Komal Jhaveri, Rui Wang, Eleonora Teplinsky, Sarat Chandarlapaty, David Solit, Karen Cadoo, James Speyer, Gabriella D'Andrea, Sylvia Adams, Sujata Patil, Sofia Haque, Tara O'Neill, Kent Friedman, Francisco J Esteva, Clifford Hudis, Shanu Modi
BACKGROUND: Targeted therapies in HER2-positive metastatic breast cancer significantly improve outcomes but efficacy is limited by therapeutic resistance. HER2 is an acutely sensitive Heat Shock Protein 90 (HSP90) client and HSP90 inhibition can overcome trastuzumab resistance. Preclinical data suggest that HSP90 inhibition is synergistic with taxanes with the potential for significant clinical activity. We therefore tested ganetespib, a HSP90 inhibitor, in combination with paclitaxel and trastuzumab in patients with trastuzumab-refractory HER2-positive metastatic breast cancer...
August 2, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28757155/antibody-drug-conjugates-for-treatment-of-breast-cancer-novel-targets-and-diverse-approaches-in-adc-design
#11
REVIEW
Pamela A Trail, Gene M Dubowchik, Timothy Lowinger
Breast cancer is a heterogeneous group of malignancies with a spectrum of molecular subtypes, pathologies and outcomes that together comprise the most common non-cutaneous cancer in women. Currently, over 80% of breast cancer patients are diagnosed at relatively early stages of disease where there are encouraging data on outcomes and long term survival. However, there is currently no curative option for those patients with metastatic disease and there is a substantial medical need to identify effective and safe treatment options for these patients...
July 27, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28755032/diagnosing-asd-in-adults-without-id-accuracy-of-the-ados-2-and-the-adi-r
#12
Laura Fusar-Poli, Natascia Brondino, Matteo Rocchetti, Cristina Panisi, Umberto Provenzani, Stefano Damiani, Pierluigi Politi
Diagnosing autism spectrum disorder (ASD) in adulthood often represents a challenge in clinical practice. The aim of the present study was to evaluate the sensitivity and specificity of the ADOS and ADI-R in diagnosing ASD in adults. 113 subjects with an IQ of 70 or above were assessed through an extensive clinical evaluation. The ADOS-2 Module 4 and the ADI-R were separately administered by staff members blind to clinical judgment. Our results cautiously confirm the accuracy of ADOS-2 Module 4, while suggest that ADI-R might not be reliable in adults without intellectual disability...
July 28, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28747712/2-oxoadenosine-induces-cytotoxicity-through-intracellular-accumulation-of-2-oxo-atp-and-depletion-of-atp-but-not-via-the-p38-mapk-pathway
#13
Shinji Asada, Eiko Ohta, Yoriko Akimoto, Nona Abolhassani, Daisuke Tsuchimoto, Yusaku Nakabeppu
2-Oxoadenosine (2-oxo-Ado), an oxidized form of adenosine, is cytotoxic and induces growth arrest and cell death, which has potential as an anti-cancer drug. However, it is not well understood how 2-oxo-Ado exerts its cytotoxicity. We examined the effects of 2-oxo-Ado on non-tumour cells, namely immortalized mouse embryonic fibroblast lines, and investigated mechanisms by which 2-oxo-Ado exerts its cytotoxicity. We found that cell death induced by 2-oxo-Ado is classical caspase-dependent apoptosis, and requires its sequential intracellular phosphorylation catalysed by adenosine kinase (ADK) and adenylate kinase 2, resulting in intracellular accumulation of 2-oxo-ATP accompanied by accumulation of 2-oxo-Ado in RNA and depletion of ATP...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28746265/prevalence-of-rubella-antibodies-among-children-in-the-democratic-republic-of-the-congo
#14
Vivian H Alfonso, Reena H Doshi, Patrick Mukadi, Stephen G Higgins, Nicole A Hoff, Ado Bwaka, Guillaume Ngoie Mwamba, Emile Okitolonda, Jean-Jacques Muyembe, Sue Gerber, Anne W Rimoin
BACKGROUND: While generally mild in children, rubella infection in early pregnancy can lead to miscarriage, fetal death or congenital rubella syndrome (CRS). Rubella vaccination is not yet available as a part of routine immunization in the Democratic Republic of the Congo (DRC) and the burden of infection is unknown. METHODS: In collaboration with the 2013-2014 DRC Demographic and Health Survey (DHS), a serosurvey was carried out to assess population immunity to vaccine preventable diseases...
July 19, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28743609/expression-of-cd73-slows-down-migration-of-skin-dendritic-cells-affecting-the-sensitization-phase-of-contact-hypersensitivity-reactions-in-mice
#15
A Neuberger, S Ring, C Silva-Vilches, J Schrader, A Enk, K Mahnke
BACKGROUND: Application of haptens to the skin induces release of immune stimulatory ATP into the extracellular space. This "danger" signal can be converted to immunosuppressive adenosine (ADO) by the action of the ectonucleotidases CD39 and CD73, expressed by skin and immune cells. Thus, the expression and regulation of CD73 by skin derived cells may have crucial influence on the outcome of contact hypersensitivity (CHS) reactions. OBJECTIVE: To investigate the role of CD73 expression during 2,4,6-trinitrochlorobenzene (TNCB) induced CHS reactions...
July 9, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28738191/comparison-of-dental-implant-performance-following-vertical-alveolar-bone-augmentation-with-alveolar-distraction-osteogenesis-or-autogenous-onlay-bone-grafts-a-retrospective-cohort-study
#16
Kai Zhao, Feng Wang, Wei Huang, Yiqun Wu
PURPOSE: The aim of this retrospective study was to compare the performance of implants placed after alveolar distraction osteogenesis (ADO) or autogenous onlay bone grafting (AOBG) based on implant survival, peri-implant bone resorption, and clinical parameters. MATERIALS AND METHODS: From February 2008 to July 2012, 17 patients (6 women and 11 men) with implant placement after ADO (group 1, n = 8) or AOBG (group 2, n = 9) were included in this retrospective study...
July 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28737232/chlorinated-adenosine-analogue-induces-ampk-and-autophagy-in-chronic-lymphocytic-leukaemia-cells-during-therapy
#17
Christine M Stellrecht, Lisa S Chen, Mary L Ayres, Jennifer B Dennison, Shujun Shentu, Yuling Chen, Michael J Keating, William G Wierda, Varsha Gandhi
8-chloro-adenosine (8-Cl-Ado) is currently in phase-I clinical trials for acute myeloid leukaemia and chronic lymphocytic leukaemia (CLL). Previously, we demonstrated that treatment with 8-Cl-Ado leads to diminished ATP levels. We hypothesized that AMP-activated protein kinase (AMPK) signalling would be initiated in these cells, leading to induction of autophagy. AMPK activation and induction of autophagy were demonstrated during preclinical incubations in CLL cells with the analogues. Importantly, we extended similar observations in CLL lymphocytes during an 8-Cl-Ado phase-I trial...
July 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28735695/variation-in-the-early-trajectories-of-autism-symptoms-is-related-to-the-development-of-language-cognition-and-behavior-problems
#18
Janne C Visser, Nanda N J Rommelse, Martijn Lappenschaar, Iris J Servatius-Oosterling, Corina U Greven, Jan K Buitelaar
OBJECTIVE: The objectives of this study were to model more homogeneous subgroups within autism spectrum disorder (ASD) based on early trajectories of core symptoms; and to further characterize these subgroups in terms of trajectories of language, cognition, co-occurring (attention-deficit/hyperactivity disorder [ADHD]-related) traits and clinical outcome diagnosis. METHOD: Children (N = 203) referred for possible ASD at ages 1 to 4 years were assessed at three time points at intervals ranging from 9 months to 3 years...
August 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28709589/initial-experience-of-transcatheter-closure-of-subarterial-vsd-with-the-amplatzer-duct-occluder
#19
Tsung-Cheng Shyu, Ming-Chih Lin, Yeak-Wun Quek, Sheng-Je Lin, Hean-Pat Saw, Sheng-Ling Jan, Yun-Ching Fu
BACKGROUND: The traditional treatment of subarterial ventricular septal defect (VSD) is open heart surgery. This study aimed to evaluate the feasibility, safety and outcome of transcatheter closure with the Amplatzer duct occluder (ADO). METHODS: Between March 2012 and June 2015, a total of 16 patients (8 male and 8 female) with subarterial VSD who underwent transcatheter closure with the ADO were enrolled retrospectively. Their age ranged from 3.0 to 65.6 years, with the median of 35...
July 11, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28707408/complete-heart-block-following-transcatheter-closure-of-perimembranous-vsd-using-amplatzer-duct-occluder-ii
#20
Sanjiban Ghosh, Anuradha Sridhar, Muthukumaran Sivaprakasam
Long term follow up studies have shown that transcatheter closure of perimembranous Ventricular Septal Defect (PmVSD) can be done safely and successfully. One of the most serious complications of VSD device closure is complete atrioventricular block which has been reported in 3-18% is various studies following VSD device closure. Amplatzar Duct Occluder II (ADO-II) device is now commonly being used for closure of small to moderate sized PmVSD. Complete heart block has not been reported with ADO-II device. We are reporting 2 cases of complete heart block following transcatheter closure of PmVSD using ADO-II device where sinus rhythm was established following early surgical removal of the device...
July 14, 2017: Catheterization and Cardiovascular Interventions
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