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https://www.readbyqxmd.com/read/28531213/perfusion-mr-imaging-detection-of-carcinoma-arising-from-preexisting-salivary-gland-pleomorphic-adenoma-by-computer-assisted-analysis-of-time-signal-intensity-maps
#1
Ikuo Katayama, Sato Eida, Shuichi Fujita, Yuka Hotokezaka, Misa Sumi, Takashi Nakamura
Tumor perfusion can be evaluated by analyzing the time-signal intensity curve (TIC) after dynamic contrast-enhanced (DCE) MR imaging. Accordingly, TIC profiles are characteristic of some benign and malignant salivary gland tumors. A carcinoma ex pleomorphic adenoma (CXPA) arises from a long-standing pleomorphic adenoma (PA) and has a distinctive prognostic risk depending on the tumor growth potential such as invasion beyond the preexisting capsule. Differentiating CXPA from PA can be very challenging. In this study, we have attempted to discriminate CXPA from PA based on a two-dimensional TIC mapping algorithm...
2017: PloS One
https://www.readbyqxmd.com/read/28529244/identification-of-tumor-initiating-cells-derived-from-two-canine-rhabdomyosarcoma-cell-lines
#2
Takuya Evan Kishimoto, Shoko Yashima, Rei Nakahira, Eri Onozawa, Daigo Azakami, Makoto Ujike, Kazuhiko Ochiai, Toshiyuki Ishiwata, Kimimasa Takahashi, Masaki Michishita
Cancer stem cells or tumor-initiating cells (TICs) are a small subpopulation of cells that have the capacity to self-renew, differentiate and initiate tumors. These cells may function in tumor initiation, aggression and recurrence. Whether spheres derived from canine rhabdomyosarcoma cells have stem cell-like properties is unclear. We induced sphere formation in the canine rhabdomyosarcoma cell lines, CMS-C and CMS-J, and characterized the spheres in vitro and in vivo. Sphere-forming cells were more resistant to vincristine, mitoxantrone and doxorubicin than adherent cells...
May 21, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28526679/succession-of-transiently-active-tumor-initiating-cell-clones-in-human-pancreatic-cancer-xenografts
#3
Claudia R Ball, Felix Oppel, Karl Roland Ehrenberg, Taronish D Dubash, Sebastian M Dieter, Christopher M Hoffmann, Ulrich Abel, Friederike Herbst, Moritz Koch, Jens Werner, Frank Bergmann, Naveed Ishaque, Manfred Schmidt, Christof von Kalle, Claudia Scholl, Stefan Fröhling, Benedikt Brors, Wilko Weichert, Jürgen Weitz, Hanno Glimm
Although tumor-initiating cell (TIC) self-renewal has been postulated to be essential in progression and metastasis formation of human pancreatic adenocarcinoma (PDAC), clonal dynamics of TICs within PDAC tumors are yet unknown. Here, we show that long-term progression of PDAC in serial xenotransplantation is driven by a succession of transiently active TICs producing tumor cells in temporally restricted bursts. Clonal tracking of individual, genetically marked TICs revealed that individual tumors are generated by distinct sets of TICs with very little overlap between subsequent xenograft generations...
May 19, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28521251/the-protective-effect-of-character-maturity-in-child-aggressive-antisocial-behavior
#4
Nóra Kerekes, Örjan Falk, Sven Brändström, Henrik Anckarsäter, Maria Råstam, Björn Hofvander
BACKGROUND: Childhood aggressive antisocial behavior (CD) is one of the strongest predictors of mental health problems and criminal behavior in adulthood. The aims of this study were to describe personality profiles in children with CD, and to determine the strength of association between defined neurodevelopmental symptoms, dimensions of character maturity and CD. METHODS: A sample of 1886 children with a close to equal distribution of age (9 or 12) and gender, enriched for neurodevelopmental and psychiatric problems were selected from the nationwide Child and Adolescent Twin Study in Sweden...
April 29, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28514232/ppar%C3%AE-agonists-attenuate-trigeminal-neuropathic-pain
#5
Danielle N Lyons, Liping Zhang, Robert J Danaher, Craig S Miller, Karin N Westlund
The aim of this study is to investigate the role of peroxisome proliferator-activated receptor-gamma isoform (PPARγ), in trigeminal neuropathic pain utilizing a novel mouse trigeminal inflammatory compression (TIC) injury model. The study determined that the PPARγ nuclear receptor plays a significant role in trigeminal nociception transmission, evidenced by: (1) Intense PPARγ immunoreactivity is expressed 3 weeks after TIC nerve injury in the spinal trigeminal caudalis, the termination site of trigeminal nociceptive nerve fibers...
May 16, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28512337/powder-metallurgy-processing-of-a-wxtativcr-high-entropy-alloy-and-its-derivative-alloys-for-fusion-material-applications
#6
Owais Ahmed Waseem, Ho Jin Ryu
The WxTaTiVCr high-entropy alloy with 32at.% of tungsten (W) and its derivative alloys with 42 to 90at.% of W with in-situ TiC were prepared via the mixing of elemental W, Ta, Ti, V and Cr powders followed by spark plasma sintering for the development of reduced-activation alloys for fusion plasma-facing materials. Characterization of the sintered samples revealed a BCC lattice and a multi-phase structure. The selected-area diffraction patterns confirmed the formation of TiC in the high-entropy alloy and its derivative alloys...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28504577/lactobacillus-fermentum-im12-attenuates-inflammation-in-mice-by-inhibiting-nf-%C3%AE%C2%BAb-stat3-signalling-pathway
#7
S-M Lim, H M Jang, S-E Jang, M J Han, D-H Kim
In the present study, we isolated Lactobacillus fermentum IM12 from human gut microbiota, which strongly inhibited interleukin (IL)-6 expression and STAT3 activation in lipopolysaccharide (LPS)-stimulated murine peritoneal macrophages, and examined its anti-inflammatory effect in mice with carrageenan-induced hind-paw oedema (CIE) or 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis (TIC). Oral administration of IM12 (0.2×10(9), 1×10(9) or 5×10(9) cfu/mouse, once a day for 3 days) in mice with CIE significantly suppressed the increase of oedema volume and thickness, as well as myeloperoxidase activity and IL-6, IL-17, NO, and prostaglandin E2 levels in the carrageenan-stimulated paw...
May 15, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28503194/what-are-effective-strategies-for-implementing-trauma-informed-care-in-youth-inpatient-psychiatric-and-residential-treatment-settings-a-realist-systematic-review
#8
REVIEW
Stephanie A Bryson, Emma Gauvin, Ally Jamieson, Melanie Rathgeber, Lorelei Faulkner-Gibson, Sarah Bell, Jana Davidson, Jennifer Russel, Sharlynne Burke
BACKGROUND: Many young people who receive psychiatric care in inpatient or residential settings in North America have experienced various forms of emotional trauma. Moreover, these settings can exacerbate trauma sequelae. Common practices, such as seclusion and restraint, put young people at risk of retraumatization, development of comorbid psychopathology, injury, and even death. In response, psychiatric and residential facilities have embraced trauma-informed care (TIC), an organizational change strategy which aligns service delivery with treatment principles and discrete interventions designed to reduce rates of retraumatization through responsive and non-coercive staff-client interactions...
2017: International Journal of Mental Health Systems
https://www.readbyqxmd.com/read/28502600/the-puzzling-question-of-inhibitory-control-in-tourette-syndrome-a-meta-analysis
#9
REVIEW
Simon Morand-Beaulieu, Stéphanie Grot, Jacob Lavoie, Julie B Leclerc, David Luck, Marc E Lavoie
Tourette syndrome (TS) is a neuropsychiatric disorder involving motor and phonic tics. Inhibitory control is a key issue in TS, and many disruptive or impulsive behaviors might arise from inhibitory deficits. However, conflicting findings regarding TS patients' inhibitory performance in neuropsychological tasks have been reported throughout the literature. Therefore, this meta-analysis aimed to evaluate inhibitory control through neuropsychological tasks, and to analyze the factors modulating inhibitory deficits...
May 11, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28498821/clinical-significance-of-mskcc-nomogram-on-guiding-the-application-of-touch-imprint-cytology-and-frozen-section-in-intraoperative-assessment-of-breast-sentinel-lymph-nodes
#10
Lisha Sun, Guanglei Chen, Yizhen Zhou, Lei Zhang, Zining Jin, Weiguang Liu, Guangping Wu, Feng Jin, Kai Li, Bo Chen
The widely practiced intra-operative methods for rapid evaluation and detection of sentinel lymph node (SLN) status include frozen section (FS) and touch imprint cytology (TIC). This study optimized the use of TIC and FS in the intra-operative detection of breast SLNs based on the Memorial Sloan Kettering Cancer Center (MSKCC) nomogram. Three hundred forty-two SLNs were removed from 79 patients. SLN metastatic probability was assessed by the MSKCC nomogram. The SLNs underwent intra-operative TIC and FS, as well as routine post-operative paraffin sections (RPSs)...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28495246/clonidine-adhesive-patch-for-the-treatment-of-tic-disorders-a-systematic-review-and-meta-analysis
#11
Shuai Wang, Yan-Zhao Wei, Jianhong Yang, Yuming Zhou, Yi Zheng
OBJECTIVE: The aim of this study was to evaluate the efficacy and safety of clonidine adhesive patch for tic disorders (TDs). METHODS: Medline, Embase, Cochrane central register of controlled trials and Chinese databases of CBM, CNKI were searched from inception to 08.2016 for randomized controlled studies (RCTs), open-label control studies of clonidine adhesive patch versus other medications or/and placebo for TDs. The cochrane Handbook for Systematic Reviews of Interventions was used to guide our study...
April 7, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28492951/information-and-communications-technologies-ict-problematic-use-of-internet-video-games-mobile-phones-instant-messaging-and-social-networks-using-multicage-tic
#12
Eduardo J Pedrero Pérez, José María Ruiz Sánchez de León, Gloria Rojo Mota, Marcos Llanero Luque, Jara Pedrero Aguilar, Sara Morales Alonso, Carmen Puerta García
Use/abuse of Information and Communications Technologies (ICT) has in recent years become a topic of great interest. Current discussion addresses whether it must be considered addictive behaviour and if it is a problem that primarily affects adolescents and youth. This study aims to understand the problems that affect people of all ages in controlling the use of these ICTs and whether they are related to mental health problems, stress and difficulties in executive control of behaviour. A survey was administered through social networks and email, using the MULTICAGE-ICT, a questionnaire that explores problems in the use of Internet, mobile phones, video games, instant messaging and social networks...
April 12, 2017: Adicciones
https://www.readbyqxmd.com/read/28489939/prevalence-of-chronic-stress-in-general-practitioners-and-practice-assistants-personal-practice-and-regional-characteristics
#13
Anja Viehmann, Christine Kersting, Anika Thielmann, Birgitta Weltermann
BACKGROUND: The majority of studies investigating stress in primary care have focused either on general practitioners (GPs) or practice assistants (PAs), but did not measure stress on a practice level. We analyzed the prevalence of chronic stress for both professional groups and on a practice level and investigated personal, practice, and regional characteristics. METHODS: Chronic stress was measured in GPs and PAs from 136 German practices using the standardized, self-administered TICS-SSCS questionnaire (12 items)...
2017: PloS One
https://www.readbyqxmd.com/read/28483714/purposeless-oral-activity-induced-by-meta-chlorophenylpiperazine-m-cpp-undefined-tic-like-behaviors
#14
Deborah S Kreiss, Philippe De Deurwaerdère
BACKGROUND: The pathophysiological hypothesis underlying tic disorders in Tourette syndrome (TS) is that basal ganglia are not capable of properly filtering cortical information, leading patients with difficulties in inhibiting unwanted behaviors or impulses. One of the main challenges for furthering such a hypothesis is to find appropriate animal models summarizing some aspects of the disease. METHODS: It has been established for more than 25 years in rodents that the prototypical serotonin (5-HT) agonist meta-chlorophenylpiperazine (m-CPP) elicits purposeless oral movements including chewing behavior...
May 5, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28481735/characterization-of-new-functionalized-calcium-carbonate-polycaprolactone-composite-material-for-application-in-geometry-constrained-drug-release-formulation-development
#15
Leonie Wagner-Hattler, Joachim Schoelkopf, Jörg Huwyler, Maxim Puchkov
A new mineral-polymer composite (FCC-PCL) performance is assessed to produce complex geometries to aid in development of controlled release tablet formulations. The mechanical characteristics of a developed material such as compactibility, compressibility and elastoplastic deformation were measured. The results and comparative analysis versus other common excipients suggest efficient formation of a complex, stable and impermeable geometries for constrained drug release modifications under compression. The performance of the proposed composite material has been tested by compacting it into a geometrically altered tablet (Tablet-In-Cup, TIC) and the drug release was compared to commercially available product...
May 8, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28480861/development-of-the-g-c-m-s-m-s-method-for-qualitative-and-quantitative-determination-of-clozapine-in-human-blood
#16
K Sivsivadze, M Jokhadze, P Tushurashvili, T Murtazashvili, N Imnadze
A simple, rapid, selective, sensitive gas chromatography-mass spectrometry (GC-MS/MS) method was developed and validated for the determination of clozapine in human blood. For isolation was used solid phase extraction. The calibration standards range was 5-1500ng/mL. Analysis was carried out on a gas chromatograph Agilent 7000A Quadrupole GC-MS/MS. GC run conditions - capillary column HP-5MS, 30m × 0.25mm, coated with a 0.25μm film, column temperature from 50°C to 305°C with an increase of 10°C/min; the injection port and the transfer line temperature were 310°C; carrier gas - helium at flow rate of 1...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28480849/impact-of-internet-gambling-on-mental-and-psychological-health-of-children-of-various-ages
#17
M Khundadze, N Geladze, N Kapanadze
The aim of the study was to assess the impact of internet gambling on children's mental and physical health and find correlation between the age, duration of internet use and type of comorbidity associated with internet gambling. The study assessed 50 patients with internet gambling (35 boys, 15 girls) from 2013-2016 y. The age range was 3-15 years. 15 patients were from 3-7 y of age, 20 patients from 7-12 y and 15 - from 12-15 y of age. The core problem common for all patients were internet overuse by computer games, mobile device and other gadgets...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28480568/literature-review-of-trauma-informed-care-implications-for-mental-health-nurses-working-in-acute-inpatient-settings-in-australia
#18
Allyson Wilson, Marie Hutchinson, John Hurley
Trauma-informed care (TIC) is increasingly recognized as an approach to improving consumers' experience of, and outcomes from, mental health services. Deriving consensus on the definition, successful approaches, and consumer experiences of TIC is yet to be attained. In the present study, we sought to clarify the challenges experienced by mental health nurses in embedding TIC into acute inpatient settings within Australia. A systematic search of electronic databases was undertaken to identify primary research conducted on the topic of TIC...
May 7, 2017: International Journal of Mental Health Nursing
https://www.readbyqxmd.com/read/28477287/the-current-understanding-of-trauma-induced-coagulopathy-tic-a-focused-review-on-pathophysiology
#19
REVIEW
Stefano Giordano, Luca Spiezia, Elena Campello, Paolo Simioni
The emergency management of acute severe bleeding in trauma patients has changed significantly in recent years. In particular, greater attention is now being devoted to a prompt assessment of coagulation alterations, which allows for immediate haemostatic resuscitation procedures when necessary. The importance of an early trauma-induced coagulopathy (TIC) diagnosis has led physicians to increase the efforts to better understand the pathophysiological alterations observed in the haemostatic system after traumatic injuries...
May 5, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28472652/de-novo-coding-variants-are-strongly-associated-with-tourette-disorder
#20
A Jeremy Willsey, Thomas V Fernandez, Dongmei Yu, Robert A King, Andrea Dietrich, Jinchuan Xing, Stephan J Sanders, Jeffrey D Mandell, Alden Y Huang, Petra Richer, Louw Smith, Shan Dong, Kaitlin E Samocha, Benjamin M Neale, Giovanni Coppola, Carol A Mathews, Jay A Tischfield, Jeremiah M Scharf, Matthew W State, Gary A Heiman
Whole-exome sequencing (WES) and de novo variant detection have proven a powerful approach to gene discovery in complex neurodevelopmental disorders. We have completed WES of 325 Tourette disorder trios from the Tourette International Collaborative Genetics cohort and a replication sample of 186 trios from the Tourette Syndrome Association International Consortium on Genetics (511 total). We observe strong and consistent evidence for the contribution of de novo likely gene-disrupting (LGD) variants (rate ratio [RR] 2...
May 3, 2017: Neuron
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