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https://www.readbyqxmd.com/read/28346472/can-group-based-reassuring-information-alter-low-back-pain-behavior-a-cluster-randomized-controlled-trial
#1
Pernille Frederiksen, Aage Indahl, Lars L Andersen, Kim Burton, Rasmus Hertzum-Larsen, Tom Bendix
BACKGROUND: Low back pain (LBP) is common in the population and multifactorial in nature, often involving negative consequences. Reassuring information to improve coping is recommended for reducing the negative consequences of LBP. Adding a simple non-threatening explanation for the pain (temporary muscular dysfunction) has been successful at altering beliefs and behavior when delivered with other intervention elements. This study investigates the isolated effect of this specific information on future occupational behavior outcomes when delivered to the workforce...
2017: PloS One
https://www.readbyqxmd.com/read/28336809/lectin-galactoside-binding-soluble-3-binding-protein-promotes-17-n-allylamino-17-demethoxygeldanamycin-resistance-through-pi3k-akt-pathway-in-lung-cancer-cell-line
#2
Jong Kyu Woo, Jeong-Eun Jang, Ju-Hee Kang, Je Kyung Seong, Yeo Sung Yoon, Hyoung-Chin Kim, Sang-Jin Lee, Seun Hyun Oh
Heat shock protein 90 (HSP90) stabilizing oncoproteins has been an attractive target in cancer therapy. 17-N-Allylamino-17-demethoxygeldanamycin (17-AAG), HSP90 inhibitor, was tested in phase II/III clinical trials, but due to lack of efficacy, clinical evaluation of 17-AAG has achieved limited success which led to resistance to 17-AAG. However, the mechanism of 17-AAG resistance has not clearly been identified. Here, we identified LGALS3BP (Lectin, galactoside-binding, soluble, 3 binding protein), a secretory glycoprotein, as a 17-AAG resistance factor...
March 23, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28333944/mechanisms-of-glycosylase-induced-genomic-instability
#3
Daniel E Eyler, Kylie A Burnham, Thomas E Wilson, Patrick J O'Brien
Human alkyladenine DNA glycosylase (AAG) initiates base excision repair (BER) to guard against mutations by excising alkylated and deaminated purines. Counterintuitively, increased expression of AAG has been implicated in increased rates of spontaneous mutation in microsatellite repeats. This microsatellite mutator phenotype is consistent with a model in which AAG excises bulged (unpaired) bases, altering repeat length. To directly test the role of base excision in AAG-induced mutagenesis, we conducted mutation accumulation experiments in yeast overexpressing different variants of AAG and detected mutations via high-depth genome resequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28325062/personal-experiences-of-the-criminal-justice-system-by-individuals-with-autism-spectrum-disorders
#4
Sissel Berge Helverschou, Kari Steindal, Jim Aage Nøttestad, Patricia Howlin
The processes of arrest, investigation, trial and imprisonment are often extremely difficult for individuals with autism spectrum disorders. In this study, nine offenders with autism spectrum disorders were interviewed about the circumstance surrounding the criminal acts, their views of the arrest, the police interrogation, the trial and the defence and their experiences of being in prison and/or life following the offence. The nine individuals described a range of different and often negative experiences with the Criminal Justice System...
March 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28319291/high-risk-of-overdose-death-following-release-from-prison-variations-in-mortality-during-a-15-year-observation-period
#5
Anne Bukten, Marianne Riksheim Stavseth, Svetlana Skurtveit, Aage Tverdal, John Strang, Thomas Clausen
BACKGROUND AND AIMS: The time post-release from prison involves elevated mortality, especially overdose deaths. Variations in overdose mortality both by time since release from prison and time of release has not been sufficiently investigated. Our aims were to estimate and compare overdose death rates at time intervals after prison release and to estimate the effect on overdose death rates over calendar time. DESIGN, SETTING, PARTICIPANTS, MEASUREMENTS: This 15-year cohort study includes all persons (n= 91,090) released from prison (01...
March 20, 2017: Addiction
https://www.readbyqxmd.com/read/28306192/histone-deacetylase-activity-mediates-acquired-resistance-towards-structurally-diverse-hsp90-inhibitors
#6
Ryan C Chai, Jessica L Vieusseux, Benjamin J Lang, Chau H Nguyen, Michelle M Kouspou, Kara L Britt, John T Price
Heat Shock Protein 90 (HSP90) regulates multiple signaling pathways critical for tumor growth. As such, HSP90 inhibitors have been shown to act as effective anticancer agents in preclinical studies but, for a number of reasons, the same effect has not been observed in the clinical trials to date. One potential reason for this may the presence of de novo or acquired resistance within the tumors. To investigate mechanisms of resistance, we generated resistant cell lines through gradual dose escalation of the HSP90 inhibitor 17-AAG...
March 17, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28298235/clinical-and-molecular-surveillance-of-drug-resistant-vivax-malaria-in-myanmar-2009-2016
#7
Myat Htut Nyunt, Jin-Hee Han, Bo Wang, Khin Myo Aye, Kyin Hla Aye, Seong-Kyun Lee, Ye Htut, Myat Phone Kyaw, Kay Thwe Han, Eun-Taek Han
BACKGROUND: One of the major challenges for control and elimination of malaria is ongoing spread and emergence of drug resistance. While epidemiology and surveillance of the drug resistance in falciparum malaria is being explored globally, there are few studies on drug resistance vivax malaria. METHODS: To assess the spread of drug-resistant vivax malaria in Myanmar, a multisite, prospective, longitudinal study with retrospective analysis of previous therapeutic efficacy studies, was conducted...
March 16, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28270446/external-cause-mortality-among-21-609-norwegian-male-military-peacekeepers-deployed-to-lebanon-between-1978-and-1998
#8
Leif Aage Strand, Jan Ivar Martinsen, Elin Anita Fadum, Einar Kristian Borud
OBJECTIVE: To investigate external-cause mortality among 21 609 Norwegian male military peacekeepers deployed to Lebanon during 1978-1998. METHODS: The cohort was followed from the 1st day of deployment through 2013, and mortality during deployment and post discharge was assessed using SMRs calculated from national rates in Norway. Poisson regression was used to see the effect of high-conflict versus low-conflict exposure. RESULTS: For the total cohort, external-cause mortality was within expected values during deployment (SMR=0...
March 7, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28254016/the-fruit-of-annona-squamosa-l-as-a-source-of-environmental-neurotoxins-from-quantification-of-squamocin-to-annotation-of-annonaceous-acetogenins-by-lc-ms-ms-analysis
#9
Natacha Bonneau, Lamia Baloul, Idensi Bajin Ba Ndob, François Sénéjoux, Pierre Champy
Annonaceous acetogenins (AAGs) are neurotoxins possibly responsible for atypical Parkinsonism/dementia clusters, via the consumption of edible Annonaceae fruits. Their presence was investigated in fruit pulps of Annona squamosa from different locations. Qualitative analysis of other AAGs was performed. We here report the identification of squamocin in batches from Asia, the Caribbean Basin and the Indian Ocean. This molecule was quantified by HPLC-UV, evidencing a content of 13.5-36.4mg/fruit. HPLC-ESI-Q-TOF allowed the detection of 25 different raw formulas matching with AAGs...
July 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28239659/hsp90-regulation-of-fibroblast-activation-in-pulmonary-fibrosis
#10
Vishwaraj Sontake, Yunguan Wang, Rajesh K Kasam, Debora Sinner, Geereddy B Reddy, Anjaparavanda P Naren, Francis X McCormack, Eric S White, Anil G Jegga, Satish K Madala
Idiopathic pulmonary fibrosis (IPF) is a severe fibrotic lung disease associated with fibroblast activation that includes excessive proliferation, tissue invasiveness, myofibroblast transformation, and extracellular matrix (ECM) production. To identify inhibitors that can attenuate fibroblast activation, we queried IPF gene signatures against a library of small-molecule-induced gene-expression profiles and identified Hsp90 inhibitors as potential therapeutic agents that can suppress fibroblast activation in IPF...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28236106/progesterone-requires-heat-shock-protein-90-hsp90-in-human-sperm-to-regulate-motility-and-acrosome-reaction
#11
Vrushali Sagare-Patil, Rashmi Bhilawadikar, Mosami Galvankar, Kusum Zaveri, Indira Hinduja, Deepak Modi
PURPOSE: The aims of this paper were to study whether heat shock protein 90 (HSP90) is a regulator of sperm functions and to determine its association with oligoasthenozoospermia. METHODS: The levels of HSP90 in sperm lysates were measured by ELISA. Localization of HSP90 and its isoforms was evaluated by immunofluorescence. Sperm motility and kinetics were assessed by computer-assisted sperm analysis. Acrosome reaction was determined by lectin staining. RESULTS: The levels of HSP90 were lower in oligoasthenozoospermic men and correlated positively with the number of motile spermatozoa...
February 24, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28225183/protective-effects-of-araloside-c-against-myocardial-ischaemia-reperfusion-injury-potential-involvement-of-heat-shock-protein-90
#12
Min Wang, Yu Tian, Yu-Yang Du, Gui-Bo Sun, Xu-Dong Xu, Hai Jiang, Hui-Bo Xu, Xiang-Bao Meng, Jing-Yi Zhang, Shi-Lan Ding, Miao-di Zhang, Ming-Hua Yang, Xiao-Bo Sun
The present study was designed to investigate whether Araloside C, one of the major triterpenoid compounds isolated from Aralia elata known to be cardioprotective, can improve heart function following ischaemia/reperfusion (I/R) injury and elucidate its underlying mechanisms. We observed that Araloside C concentration-dependently improved cardiac function and depressed oxidative stress induced by I/R. Similar protection was confirmed in isolated cardiomyocytes characterized by maintaining Ca(2+) transients and cell shortening against I/R...
February 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28214088/a-case-of-seropositive-autoimmune-autonomic-ganglionopathy-with-diffuse-esophageal-spasm
#13
Nobutoshi Morimoto, Sakuma Takahashi, Tomoki Inaba, Motonori Takamiya, Yasuhiko Kageyama, Mizuki Morimoto, Yoshiaki Takahashi, Hirotake Nishimura, Shunya Nakane, Koji Abe
Autoimmune autonomic ganglionopathy (AAG) is an immune-mediated disorder that leads to various autonomic failures associated with anti-ganglionic acetylcholine receptor antibodies (anti-gAChR-Abs). Diffuse esophageal spasm (DES) is an uncommon esophageal motility disorder. We herein report the case of a 68-year-old woman with DES as a partial symptom of AAG. She presented with chronic esophageal transit failure, constipation, and numbness of the hands and feet, Adie's pupil, thermal hypoalgesia, and decreased deep tendon reflexes...
February 14, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28206819/norrisk-2-a-norwegian-risk-model-for-acute-cerebral-stroke-and-myocardial-infarction
#14
Randi Selmer, Jannicke Igland, Inger Ariansen, Aage Tverdal, Inger Njølstad, Kari Furu, Grethe S Tell, Tor Ole Klemsdal
Background Guidelines for the prevention of cardiovascular disease recommend the estimation of an individual's total risk. We have developed a new model for the prediction of the 10-year risk of incident acute myocardial infarction or cerebral stroke based on Norwegian data, NORRISK 2. Design The model was based on 10-year follow-up of a large population-based cohort (CONOR) through linkage to the CVDNOR project, a database of cardiovascular disease hospital discharge diagnoses and mortality in Norway in 1994-2009...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28182573/amplified-canonical-transforming-growth-factor-%C3%AE-signalling-via-heat-shock-protein-90-in-pulmonary-fibrosis
#15
Zaneta Sibinska, Xia Tian, Martina Korfei, Baktybek Kojonazarov, Janina Susanne Kolb, Walter Klepetko, Djuro Kosanovic, Malgorzata Wygrecka, Hossein Ardeschir Ghofrani, Norbert Weissmann, Friedrich Grimminger, Werner Seeger, Andreas Guenther, Ralph T Schermuly
Interstitial lung fibroblast activation coupled with extracellular matrix production is a pathological signature of idiopathic pulmonary fibrosis (IPF), and is governed by transforming growth factor (TGF)-β/Smad signalling. We sought to define the role of heat shock protein (HSP)90 in profibrotic responses in IPF and to determine the therapeutic effects of HSP90 inhibition in a murine model of pulmonary fibrosis.We investigated the effects of HSP90 inhibition in vitro by applying 17-AAG (17-allylamino-17-demethoxygeldanamycin) to lung fibroblasts and A549 cells and in vivo by administering 17-DMAG (17-dimethylaminoethylamino-17-demethoxygeldanamycin) to mice with bleomycin-induced pulmonary fibrosis...
February 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28153791/hdac6-deacetylates-p53-at-lysines-381-382-and-differentially-coordinates-p53-induced-apoptosis
#16
Hyun-Wook Ryu, Dong-Hee Shin, Dong Hoon Lee, Junjeong Choi, Gyoonhee Han, Kang Young Lee, So Hee Kwon
HDAC6-selective inhibitors represent promising new cancer therapeutic agents, but their precise mechanisms of action are not well understood. In particular, p53's role in HDAC6 inhibitor-induced effects has not been fully elucidated. In this study, we show that an HDAC6-selective inhibitor, A452, increased wild-type p53 levels by destabilizing MDM2, but decreased mutant p53 by inducing MDM2 and inhibiting Hsp90-mutant p53 complex formation. Interestingly, HDAC6 levels inversely correlated with p53 acetylation at lysines 381/382 associated with p53 functional activation...
January 30, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28143869/stabilization-of-notch1-by-the-hsp90-chaperon-is-crucial-for-t-cell-leukemogenesis
#17
Zhaojing Wang, Yufeng Hu, Daibiao Xiao, Jingchao Wang, Chuntao Liu, Yisheng Xu, Xiaomeng Shi, Peng Jiang, Liang Huang, Peng Li, Hudan Liu, Guoliang Qing
PURPOSE: Notch1 deregulation is assuming a focal role in T-cell acute lymphoblastic leukemia (T-ALL). Despite tremendous advances in our understanding of Notch1 transcriptional programs, the mechanisms by which Notch1 stability and turnover are regulated remain obscure. The goal of the present study is to identify intracellular Notch1 (ICN1, the activated form of Notch1) binding partner(s) regulating its stability and activity. EXPERIMENTAL DESIGN: We employed immunoaffinity purification to identify ICN1-associating partner and used co-immunoprecipitation to verify the endogenous protein interaction...
January 31, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28137820/pharmacokinetics-of-clindamycin-in-obese-and-non-obese-children
#18
Michael J Smith, Daniel Gonzalez, Jennifer L Goldman, Ram Yogev, Janice E Sullivan, Michael D Reed, Ravinder Anand, Karen Martz, Katherine Berezny, Daniel K Benjamin, P Brian Smith, Michael Cohen-Wolkowiez, Kevin Watt
Although obesity is prevalent among children in the United States, pharmacokinetic (PK) data in obese children are limited. Clindamycin is a commonly used antibiotic that may require dose adjustment in obese children due to its lipophilic properties. We performed a clindamycin population PK analysis using data from three separate trials. A total of 420 samples from 220 children, 76 of whom had a body mass index ≥ 95(th) percentile for age, were included in the analysis. As compared to other metrics, total body weight (TBW) was the most robust measure of body size...
January 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28137667/identification-of-novel-autoantigens-via-mass-spectroscopy-based-antibody-mediated-identification-of-autoantigens-ms-amida-using-immune-thrombocytopenic-purpura-itp-as-a-model-disease
#19
Julian Kamhieh-Milz, Viktor Sterzer, Hatice Celik, Omid Khorramshahi, Reham Fadl Hassan Moftah, Abdulgabar Salama
Immune thrombocytopenic purpura (ITP) is one of the best characterized autoimmune diseases. Autoantibodies (AABs) against platelet antigens are considered as the diagnostic hallmark of ITP, but are detectable in only 50% of patients. We designed and applied a novel proteomic approach termed Mass Spectroscopy-based Antibody-Mediated Identification of Autoantigens (MS-AMIDA) for platelet antigens. Patients were separated into patients with classical AABs [ITP(+)] and patients without AABs [ITP(-)]. Altogether, 181 potential AAGs were found in ITP(+) and 135 AAGs in ITP(-), with 34 and 23 AAGs reproducibly found in two runs of MS-AMIDA...
March 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28129160/infill-optimization-for-additive-manufacturing-approaching-bone-like-porous-structures
#20
Jun Wu, Niels Aage, Ruediger Westermann, Ole Sigmund
Porous structures such as trabecular bone are widely seen in nature. These structures are lightweight and exhibit strong mechanical properties. In this paper, we present a method to generate bone-like porous structures as lightweight infill for additive manufacturing. Our method builds upon and extends voxel-wise topology optimization. In particular, for the purpose of generating sparse yet stable structures distributed in the interior of a given shape, we propose upper bounds on the localized material volume in the proximity of each voxel in the design domain...
January 23, 2017: IEEE Transactions on Visualization and Computer Graphics
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