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https://www.readbyqxmd.com/read/29330383/development-of-a-pet-radioligand-for-potassium-channels-to-image-cns-demyelination
#1
Pedro Brugarolas, Jorge E Sánchez-Rodríguez, Hsiu-Ming Tsai, Falguni Basuli, Shih-Hsun Cheng, Xiang Zhang, Andrew V Caprariello, Jerome J Lacroix, Richard Freifelder, Dhanabalan Murali, Onofre DeJesus, Robert H Miller, Rolf E Swenson, Chin-Tu Chen, Peter Herscovitch, Daniel S Reich, Francisco Bezanilla, Brian Popko
Central nervous system (CNS) demyelination represents the pathological hallmark of multiple sclerosis (MS) and contributes to other neurological conditions. Quantitative and specific imaging of demyelination would thus provide critical clinical insight. Here, we investigated the possibility of targeting axonal potassium channels to image demyelination by positron emission tomography (PET). These channels, which normally reside beneath the myelin sheath, become exposed upon demyelination and are the target of the MS drug, 4-aminopyridine (4-AP)...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330337/role-of-germline-aberrations-affecting-ctnna1-map3k6-and-myd88-in-gastric-cancer-susceptibility
#2
Robbert D A Weren, Rachel S van der Post, Ingrid P Vogelaar, J Han van Krieken, Liesbeth Spruijt, Jan Lubinski, Anna Jakubowska, Urszula Teodorczyk, Cora M Aalfs, Liselotte P van Hest, Carla Oliveira, Eveline J Kamping, Hans K Schackert, Guglielmina N Ranzani, Encarna B Gómez García, Frederik J Hes, Elke Holinski-Feder, Maurizio Genuardi, Margreet G E M Ausems, Rolf H Sijmons, Anja Wagner, Lizet E van der Kolk, Annemieke Cats, Inga Bjørnevoll, Nicoline Hoogerbrugge, Marjolijn J L Ligtenberg
BACKGROUND: In approximately 10% of all gastric cancer (GC) cases, a heritable cause is suspected. A subset of these cases have a causative germline CDH1 mutation; however, in most cases the cause remains unknown. Our objective was to assess to what extent these remaining cases may be explained by germline mutations in the novel candidate GC predisposing genes CTNNA1, MAP3K6 or MYD88. METHODS: We sequenced a large cohort of unexplained young and/or familial patients with GC (n=286) without a CDH1germline mutation for germline variants affecting CTNNA1, MAP3K6 and MYD88 using a targeted next-generation sequencing approach based on single-molecule molecular inversion probes...
January 12, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29330176/therapists-experiences-with-a-new-treatment-combining-physical-exercise-and-dietary-therapy-the-ped-t-for-eating-disorders-an-interview-study-in-a-randomised-controlled-trial-at-the-norwegian-school-of-sport-sciences
#3
Maria Bakland, Jorunn Sundgot-Borgen, Rolf Wynn, Jan H Rosenvinge, Annett Victoria Stornæs, Gunn Pettersen
OBJECTIVES: The aim of the current study is to explore how therapists running a guided physical exercise and dietary therapy programme (PED-t) experience their contribution to the treatment of patients with bulimia nervosa and binge eating disorder. METHODS: Ten therapists running the PED-t were semistructurally interviewed and the transcribed interviews were analysed using a systematic text condensation approach. SETTING: The study was run within the context of a randomised controlled trial at the Norwegian School of Sport Sciences...
January 11, 2018: BMJ Open
https://www.readbyqxmd.com/read/29329761/n-terminal-pro-b-type-natriuretic-peptide-for-monitoring-after-balloon-pulmonary-angioplasty-for-chronic-thromboembolic-pulmonary-hypertension
#4
Steffen D Kriechbaum, Christoph B Wiedenroth, Jan Sebastian Wolter, Regula Hütz, Moritz Haas, Andreas Breithecker, Fritz C Roller, Till Keller, Stefan Guth, Andreas Rolf, Christian W Hamm, Eckhard Mayer, Christoph Liebetrau
BACKGROUND: Balloon pulmonary angioplasty (BPA) is an emerging interventional treatment option for chronic thromboembolic pulmonary hypertension (CTEPH). The non-invasive monitoring of CTEPH patients is a clinical challenge. In this study we examined changes in N-terminal pro-B-type natriuretic peptide (NT-proBNP) in patients undergoing BPA for inoperable CTEPH and related them to peri-procedural success. METHODS: In this study we analyzed a total of 51 consecutive patients who underwent BPA treatment and completed a 6-month follow-up (6-MFU) between March 2014 and March 2017...
December 8, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29328905/diagnosis-and-care-of-patients-with-mild-haemophilia-practical-recommendations-for-clinical-management
#5
REVIEW
Gary Benson, Günter Auerswald, Gerry Dolan, Anne Duffy, Cedric Hermans, Rolf Ljung, Massimo Morfini, Silva Zupančić Šalek
Mild haemophilia is defined by factor levels between 0.05 and 0.40 IU/mL and is characterised by traumatic bleeds. Major issues associated with mild haemophilia are that it may not present for many years after birth, and that awareness, even within families, may be low. Methodological problems exist in diagnosis, such as inconsistencies in results obtained from different assays used to measure factor levels in mild haemophilia. Advances in genetic testing provide insight into diagnosis as well as the likelihood of inhibitor development, which is not uncommon in patients with mild or moderate haemophilia and can increase morbidity...
November 14, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/29326176/combinatorial-omics-analysis-reveals-perturbed-lysosomal-homeostasis-in-collagen-vii-deficient-keratinocytes
#6
Kerstin Thriene, Björn Andreas Grüning, Olivier Bornert, Anika Erxleben, Juna Leppert, Ioannis Athanasiou, Ekkehard Weber, Dimitra Kiritsi, Alexander Nyström, Thomas Reinheckel, Rolf Backofen, Cristina Has, Leena Bruckner-Tuderman, Joern Dengjel
The extracellular matrix protein collagen VII is part of the microenvironment of stratified epithelia and critical in organismal homeostasis. Mutations in the encoding gene COL7A1 lead to the skin disorder dystrophic epidermolysis bullosa (DEB), are linked to skin fragility and progressive inflammation-driven fibrosis that facilitates aggressive skin cancer. So far, these changes have been linked to mesenchymal alterations, the epithelial consequences of collagen VII loss remaining under-addressed. As epithelial dysfunction is a principal initiator of fibrosis, we performed a comprehensive transcriptome and proteome profiling of primary human keratinocytes to generate global and detailed images of dysregulated epidermal molecular pathways linked to loss of collagen VII...
January 11, 2018: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29325058/serum-carnitine-metabolites-and-incident-type-2-diabetes-mellitus-in-patients-with-suspected-stable-angina-pectoris
#7
Elin Strand, Eirik W Rebnord, Malin R Flygel, Vegard Lysne, Gard F T Svingen, Grethe S Tell, Kjetil H Løland, Rolf K Berge, Asbjørn Svardal, Ottar Nygård, Eva R Pedersen
Context: Carnitine and its metabolites are centrally involved in fatty acid metabolism. While elevated circulating concentrations have been observed in obesity and insulin resistance, prospective studies examining whether these metabolites are associated with incident type 2 diabetes mellitus (T2D) are sparse. Objective: We performed a comprehensive evaluation of metabolites along the carnitine pathway in relation to incident T2D. Design: A total of 2519 patients (73...
January 9, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29324638/molecular-research-on-drug-induced-liver-injury
#8
EDITORIAL
Rolf Teschke, Gaby Danan
Drugs may cause liver injury in a few susceptible individuals, but the molecular events that lead to this idiosyncratic, largely dose-independent and non-predictable drug-induced liver injury (DILI) are mostly unknown, since animal models to explore the pathogenetic mechanisms of human idiosyncratic DILI are not yet reliable.[...].
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324471/sellar-region-atypical-teratoid-rhabdoid-tumors-atrt-in-adults-display-dna-methylation-profiles-of-the-atrt-myc-subgroup
#9
Pascal D Johann, Susanne Bens, Florian Oyen, Rabea Wagener, Caterina Giannini, Arie Perry, Jack M Raisanen, Gerald F Reis, Sumihito Nobusawa, Kazunori Arita, Jörg Felsberg, Guido Reifenberger, Abbas Agaimy, Rolf Buslei, David Capper, Stefan M Pfister, Reinhard Schneppenheim, Reiner Siebert, Michael C Frühwald, Werner Paulus, Marcel Kool, Martin Hasselblatt
Atypical teratoid/rhabdoid tumor (ATRT) is a highly malignant brain tumor predominantly encountered in infants. Mutations of the SMARCB1 gene are the characteristic genetic lesion. A small group of ATRT stands out clinically, because these tumors are located in the sellar region of adults. To investigate if sellar region ATRT in adults represents a molecular distinct entity, we characterized molecular alterations in 7 sellar region ATRTs in adults as compared with 150 pediatric ATRTs and 47 pituitary adenomas using SMARCB1 sequencing, multiplex ligation-dependent probe amplification and fluorescence in situ hybridization as well as DNA methylation profiling...
January 10, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29324299/boys-with-conduct-problems-and-callous-unemotional-traits-neural-response-to-reward-and-punishment-and-associations-with-treatment-response
#10
Amy L Byrd, Samuel W Hawes, Jeffrey D Burke, Rolf Loeber, Dustin A Pardini
Abnormalities in reward and punishment processing are implicated in the development of conduct problems (CP), particularly among youth with callous-unemotional (CU) traits. However, no studies have examined whether CP children with high versus low CU traits exhibit differences in the neural response to reward and punishment. A clinic-referred sample of CP boys with high versus low CU traits (ages 8-11; n = 37) and healthy controls (HC; n = 27) completed a fMRI task assessing reward and punishment processing...
December 15, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29324063/granulomatous-lung-inflammation-is-nanoparticle-type-dependent
#11
Yves Pacheco, Marine Ponchon, Serge Lebecque, Alain Calender, Jean François Bernaudin, Dominique Valeyre, Marc Iglarz, Daniel S Strasser, Rolf Studer, Diego Freti, Toufiq Renno, Abederrazzaq Bentaher
BACKGROUND: Nanoparticles are increasingly suspected as a strong etiologic factor of granuloma formation. AIM OF THE STUDY: The aim of our study was to compare lung inflammatory response and histology changes following exposure of mice to two widely used nanoparticles: carbon nanotubes (MWCNT) and cadmium-based nanoparticles (QDOT705) in an attempt to better our understanding of granulomatous inflammation. MATERIALS AND METHODS: Various groups of mice were included: control mice and mice that were intranasally instilled with QDOT or MWCNT...
January 11, 2018: Experimental Lung Research
https://www.readbyqxmd.com/read/29323538/clinical-characteristics-and-outcomes-of-traditional-chinese-medicine-induced-liver-injury-a-systematic-review
#12
Ran Wang, Xingshun Qi, Eric Yoshida, Nahum Mendez-Sanchez, Rolf Teschke, Mingyu Sun, Xu Liu, Chunping Su, Jiao Deng, Han Deng, Feifei Hou, Xiaozhong Guo
BACKGROUNDS: Traditional Chinese medicine (TCM) is becoming increasingly popular and related adverse events are often ignored or underestimated. AIMS: This systematic review aimed to evaluate the clinical characteristics and outcomes of TCM-induced liver injury (TCM-ILI) and to estimate the proportion of TCM-ILI in all drug-induced liver injuries (DILI). METHODS: China National Knowledge Infrastructure, Wanfang, VIP, PubMed, and Embase databases were searched...
January 11, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29321098/spondylodiscitis-diagnosis-and-treatment-options
#13
Christian Herren, Norma Jung, Miguel Pishnamaz, Marianne Breuninger, Jan Siewe, Rolf Sobottke
BACKGROUND: A recent population-based study from Denmark showed that the incidence of spondylodiscitis rose from 2.2 to 5.8 per 100 000 persons per year over the period 1995-2008; the age-standardized incidence in Germany has been estimated at 30 per 250 000 per year on the basis of data from the Federal Statistical Office (2015). The early diagnosis and treatment of this condition are essential to give the patient the best chance of a good outcome, but these are often delayed because it tends to present with nonspecific manifestations, and fever is often absent...
December 25, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29321030/crabp1-c1ql1-and-lcn2-are-biomarkers-of-differentiated-thyroid-carcinoma-and-predict-extrathyroidal-extension
#14
Ricardo Celestino, Torfinn Nome, Ana Pestana, Andreas M Hoff, A Pedro Gonçalves, Luísa Pereira, Bruno Cavadas, Catarina Eloy, Trine Bjøro, Manuel Sobrinho-Simões, Rolf I Skotheim, Paula Soares
BACKGROUND: The prognostic variability of thyroid carcinomas has led to the search for accurate biomarkers at the molecular level. Follicular thyroid carcinoma (FTC) is a typical example of differentiated thyroid carcinomas (DTC) in which challenges are faced in the differential diagnosis. METHODS: We used high-throughput paired-end RNA sequencing technology to study four cases of FTC with different degree of capsular invasion: two minimally invasive (mFTC) and two widely invasive FTC (wFTC)...
January 10, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29319737/a-non-living-effective-model-for-microvascular-training
#15
Cristina Pires Camargo, Daniel Imbassahy de Sa Bittencourt de Camara E Silva, Fauze Camargo Maluf, Julio Morais-Besteiro, Rolf Gemperli
PURPOSE: To introduce a nonliving microvascular training model based on vessels diameter and feasibility. METHODS: We dissected ten oxen tongues, and divided the pedicles into three-thirds: proximal, middle and distal. We measured the external vessels diameter in all regions. We performed a descriptive statistical analysis. Three students (two beginner level and one intermediate level) performed this training. We evaluated the confidence, according Likert scale...
December 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29317443/a-mutation-in-ccdc39-causes-neonatal-hydrocephalus-with-abnormal-motile-cilia-development-in-mice
#16
Zakia Abdelhamed, Shawn M Vuong, Lauren Hill, Crystal Shula, Andrew Timms, David Beier, Kenneth Campbell, Francesco T Mangano, Rolf W Stottmann, June Goto
Pediatric hydrocephalus is characterized by an abnormal accumulation of cerebrospinal fluid (CSF) and is one of the most common congenital brain abnormalities. However, little is known about the molecular and cellular mechanisms regulating CSF flow in the developing brain. Through whole-genome sequencing analysis, we report that a homozygous splice site mutation in coiled-coil domain containing 39 (Ccdc39) is responsible for early postnatal hydrocephalus in the progressive hydrocephalus (prh) mouse mutant. Ccdc39 is selectively expressed in embryonic choroid plexus and ependymal cells on the medial wall of the forebrain ventricle, and the protein is localized to the axoneme of motile cilia...
January 9, 2018: Development
https://www.readbyqxmd.com/read/29317417/patients-and-therapists-experiences-with-a-new-treatment-programme-for-eating-disorders-that-combines-physical-exercise-and-dietary-therapy-the-ped-t-trial-a-qualitative-study-protocol
#17
Gunn Pettersen, Jan H Rosenvinge, Maria Bakland, Rolf Wynn, Therese Fostervold Mathisen, Jorunn Sundgot-Borgen
INTRODUCTION: Women with bulimia nervosa and binge eating disorder often suffer for many years before they seek professional help. Evidence-based treatments like cognitive-behavioural therapy (CBT) might be poorly accessible, and about 50% of those who receive CBT respond to it. Such outcome may reflect the heterogeneous nature of eating disorders, and addressing this heterogeneity calls for expanding the portfolio of treatment options. In particular, it is important to explore such options' acceptability, tolerability and affordability expressed through experiences with the treatment...
January 8, 2018: BMJ Open
https://www.readbyqxmd.com/read/29316319/protein-profile-in-aspergillus-nidulans-recombinant-strains-overproducing-heterologous-enzymes
#18
Mariane Paludetti Zubieta, Fabiano Jares Contesini, Marcelo Ventura Rubio, Any Elisa de Souza Schmidt Gonçalves, Jaqueline Aline Gerhardt, Rolf Alexander Prade, André Ricardo de Lima Damasio
Filamentous fungi are robust cell factories and have been used for the production of large quantities of industrially relevant enzymes. However, the production levels of heterologous proteins still need to be improved. Therefore, this article aimed to investigate the global proteome profiling of Aspergillus nidulans recombinant strains in order to understand the bottlenecks of heterologous enzymes production. About 250, 441 and 424 intracellular proteins were identified in the control strain Anid_pEXPYR and in the recombinant strains Anid_AbfA and Anid_Cbhl respectively...
January 8, 2018: Microbial Biotechnology
https://www.readbyqxmd.com/read/29315737/the-dissociative-post-traumatic-stress-disorder-ptsd-subtype-a-treatment-outcome-cohort-study-in-veterans-with-ptsd
#19
Joris F G Haagen, Allison van Rijn, Jeroen W Knipscheer, Niels van der Aa, Rolf J Kleber
OBJECTIVES: Dissociation is a prevalent phenomenon among veterans with post-traumatic stress disorder (PTSD) that may interfere with the effectiveness of treatment. This study aimed to replicate findings of a dissociative PTSD subtype, to identify corresponding patterns in coping style, symptom type, and symptom severity, and to investigate its impact on post-traumatic symptom improvement. METHODS: Latent profile analysis (LPA) was applied to baseline data from 330 predominantly (97%) male treatment-seeking veterans (mean age 39...
January 7, 2018: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/29314853/periodic-giant-polarization-gradients-in-doped-bifeo3-thin-films
#20
Marco Campanini, Rolf Erni, Chan-Ho Yang, Ramamoorthy Ramesh, Marta D Rossell
The ultimate challenge for the development of new multiferroics with enhanced properties lies in achieving nanoscale control of the coupling between different ordering parameters. In oxide-based multiferroics, substitutional cation dopants offer the unparalleled possibility to modify both the electric and magnetic properties at a local scale. Herein it is demonstrated the formation of a dopant-controlled polar pattern in BiFeO3 leading to the spontaneous instauration of periodic polarization waves. In particular, non-polar Ca-doped rich regions act as spacers between consecutive dopant-depleted regions displaying coupled ferroelectric states...
January 9, 2018: Nano Letters
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