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https://www.readbyqxmd.com/read/27926496/the-therapeutic-potential-of-targeting-the-pi3k-pathway-in-pediatric-brain-tumors
#1
REVIEW
Hazel A Rogers, Jasper Estranero, Keshni Gudka, Richard G Grundy
Central nervous system tumors are the most common cancer type in children and the leading cause of cancer related deaths. There is therefore a need to develop novel treatments. Large scale profiling studies have begun to identify alterations that could be targeted therapeutically, including the phosphoinositide 3-kinase (PI3K) signaling pathway, which is one of the most commonly activated pathways in cancer with many inhibitors under clinical development. PI3K signaling has been shown to be aberrantly activated in many pediatric CNS neoplasms...
December 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27922098/comparison-of-432-pseudomonas-strains-through-integration-of-genomic-functional-metabolic-and-expression-data
#2
Jasper J Koehorst, Jesse C J van Dam, Ruben G A van Heck, Edoardo Saccenti, Vitor A P Martins Dos Santos, Maria Suarez-Diez, Peter J Schaap
Pseudomonas is a highly versatile genus containing species that can be harmful to humans and plants while others are widely used for bioengineering and bioremediation. We analysed 432 sequenced Pseudomonas strains by integrating results from a large scale functional comparison using protein domains with data from six metabolic models, nearly a thousand transcriptome measurements and four large scale transposon mutagenesis experiments. Through heterogeneous data integration we linked gene essentiality, persistence and expression variability...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27920147/accumbens-nnos-interneurons-regulate-cocaine-relapse
#3
Alexander C W Smith, Michael D Scofield, Jasper A Heinsbroek, Cassandra D Gipson, Daniela Neuhofer, Doug J Roberts-Wolfe, Sade Spencer, Neringa M Stankeviciute, Rachel Smith, Nicholas P Allen, Melissa R Lorang, William C Griffin, Heather A Boger, Peter W Kalivas
: Relapse to drug use can be initiated by drug-associated cues. The intensity of cue-induced relapse is correlated with the induction of transient synaptic potentiation (t-SP) at glutamatergic synapses on medium spiny neurons (MSNs) in the nucleus accumbens core (NAcore), and requires spillover of glutamate from prefrontal cortical afferents. We used a rodent self-administration/reinstatement model of relapse to show that cue-induced t-SP and reinstated cocaine-seeking result from glutamate spillover initiating a metabotropic glutamate receptor 5 (mGluR5)-dependent increase in nitric oxide (NO) production...
December 5, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27920116/frequency-of-a-positive-family-history-of-colorectal-cancer-in-general-practice-a-cross-sectional-study
#4
Jasper Plath, Andrea Siebenhofer, Insa Koné, Marlene Hechtner, Sylvia Schulz-Rothe, Martin Beyer, Ferdinand M Gerlach, Corina Guethlin
BACKGROUND: Evidence on the frequency of a positive family history of colorectal cancer (CRC) among individuals aged <55 years is lacking. General practice setting might be well suited for the identification of individuals in this above-average risk group. OBJECTIVE: To determine the frequency of a reported positive family history of CRC among patients aged 40 to 54 years in a general practice setting. METHODS: We conducted a cross-sectional study in 21 general practices in Germany...
December 5, 2016: Family Practice
https://www.readbyqxmd.com/read/27919437/fertile-lifespan-characteristics-and-all-cause-and-cause-specific-mortality-among-postmenopausal-women-the-rotterdam-study
#5
Loes Jaspers, Maryam Kavousi, Nicole S Erler, Albert Hofman, Joop S E Laven, Oscar H Franco
OBJECTIVE: To characterize the relation between established and previously unexplored characteristics of the fertile life with all-cause and cause-specific mortality. DESIGN: Prospective cohort study. SETTING: Not applicable. PATIENT(S): A total of 4,076 postmenopausal women. INTERVENTION(S): Women's fertile lifespan (age at menarche to menopause), number of children, maternal age at first and last child, maternal lifespan (interval between maternal age at first and last child), postmaternal fertile lifespan (interval between age at last child and menopause), lifetime cumulative number of menstrual cycles, and unopposed cumulative endogenous estrogen (E) exposure...
December 2, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27919398/what-is-needed-to-implement-a-web-based-audit-and-feedback-intervention-with-outreach-visits-to-improve-care-quality-a-concept-mapping-study-among-cardiac-rehabilitation-teams
#6
Mariëtte M van Engen-Verheul, Niels Peek, Joke A Haafkens, Erik Joukes, Tom Vromen, Monique W M Jaspers, Nicolette F de Keizer
INTRODUCTION: Evidence on successful quality improvement (QI) in health care requires quantitative information from randomized clinical trials (RCTs) on the effectiveness of QI interventions, but also qualitative information from professionals to understand factors influencing QI implementation. OBJECTIVE: Using a structured qualitative approach, concept mapping, this study determines factors identified by cardiac rehabilitation (CR) teams on what is needed to successfully implement a web-based audit and feedback (A&F) intervention with outreach visits to improve the quality of CR care...
January 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/27911440/the-prey-s-scent-volatile-organic-compound-mediated-interactions-between-soil-bacteria-and-their-protist-predators
#7
Kristin Schulz-Bohm, Stefan Geisen, E R Jasper Wubs, Chunxu Song, Wietse de Boer, Paolina Garbeva
Protists are major predators of bacteria in soils. However, it remains unknown how protists sense their prey in this highly complex environment. Here, we investigated whether volatile organic compounds (VOCs) of six phylogenetic distinct soil bacteria affect the performance of three different soil protists and how that relates to direct feeding interactions. We observed that most bacteria affected protist activity by VOCs. However, the response of protists to the VOCs was strongly dependent on both the bacterial and protist interacting partner...
December 2, 2016: ISME Journal
https://www.readbyqxmd.com/read/27910319/initial-operation-of-a-newly-developed-multichord-motional-stark-effect-diagnostic-in-kstar
#8
J Chung, J Ko, H Wi, M Messmer, S Schenkelaars, M Scheffer, R J E Jaspers
A photo-elastic modulator based 25-chord motional Stark effect (MSE) diagnostic has been successfully developed and commissioned in Korea Superconducting Tokamak Advanced Research. The diagnostic measures the radial magnetic pitch angle profile of the Stark splitting of a D-alpha line at 656.1 nm by the electric field associated with the neutral deuterium heating beam. A tangential view of the neutral beam provides a good spatial resolution of 1-3 cm for covering the major radius from 1.74 m to 2.28 m, and the time resolution is achieved at 10 ms...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910235/the-impact-of-caregiver-mediated-jasper-on-child-restricted-and-repetitive-behaviors-and-caregiver-responses
#9
Clare Harrop, Amanda Gulsrud, Wendy Shih, Lilit Hovsepyan, Connie Kasari
Restricted and repetitive behaviors (RRBs) are a core feature of autism spectrum disorder (ASD). Compared to the social-communication impairments children show, we know less about why children engage in these repetitive actions and behaviors and how to help children (and their caregivers) with these behaviors. As a result, early intervention has typically focused on social-communication. In this study, we were interested in understanding how child RRBs changed following an intervention that targeted social-communication behaviors and if the training caregivers received changed how they responded to their child's RRBs...
December 2, 2016: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/27905921/systematic-review-of-the-role-of-angiopoietin-1-and-angiopoietin-2-in-plasmodium-species-infections-biomarkers-or-therapeutic-targets
#10
Gerdie M de Jong, Jasper J Slager, Annelies Verbon, Jaap J van Hellemond, Perry J J van Genderen
BACKGROUND: Levels of both angiopoietin-1 (Ang-1) and angiopoietin-2 (Ang-2) correlate with malaria disease severity and are proposed as biomarkers and possible therapeutic targets. To establish their role in malaria, a systematic review was performed of the literature on Ang-1 and Ang-2 with regard to their potential as biomarkers in malaria and discuss their possible place in adjuvant treatment regimens. METHODS: Ten electronic databases were systematically searched to identify studies investigating Ang-1 and Ang-2 in human and murine malaria in both clinical and experimental settings...
December 1, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27903634/distinct-receptor-tyrosine-kinase-subsets-mediate-anti-her2-drug-resistance-in-breast-cancer
#11
Peter B Alexander, Rui Chen, Chang Gong, Lifeng Yuan, Jeff S Jasper, Yi Ding, Geoffrey J Markowitz, Pengyuan Yang, Xin Xu, Donald P McDonnell, Erwei Song, Xiao-Fan Wang
Targeted inhibitors of the human epidermal growth factor receptor 2 (HER2) such as trastuzumab and lapatinib are among the first examples of molecularly targeted cancer therapy and have proven largely effective for the treatment of HER2-positive breast cancers. However, approximately half of those patients either do not respond to these therapies or develop secondary resistance. Although a few signaling pathways have been implicated, a comprehensive understanding of mechanisms underlying HER2 inhibitor drug resistance is still lacking...
November 30, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27898729/rna-contaminates-glycosaminoglycans-extracted-from-cells-and-tissues
#12
Jasper J van Gemst, Markus A Loeven, Mark J J de Graaf, Jo H M Berden, Ton J Rabelink, Cornelis H Smit, Johan van der Vlag
Glycosaminoglycans (GAGs) are linear negatively charged polysaccharides and important components of extracellular matrices and cell surface glycan layers such as the endothelial glycocalyx. The GAG family includes sulfated heparin, heparan sulfate (HS), dermatan sulfate (DS), chondroitin sulfate (CS), keratan sulfate, and non-sulfated hyaluronan. Because relative expression of GAGs is dependent on cell-type and niche, isolating GAGs from cell cultures and tissues may provide insight into cell- and tissue-specific GAG structure and functions...
2016: PloS One
https://www.readbyqxmd.com/read/27896389/-attitudes-and-experiences-regarding-physician-assisted-suicide-a-survey-among-members-of-the-german-association-for-palliative-medicine
#13
Maximiliane Jansky, Birgit Jaspers, Lukas Radbruch, Friedemann Nauck
BACKGROUND: The need to regulate physician-assisted suicide (PAS) and organizations offering assisted suicide has been controversially debated in Germany. Before the German parliament voted on various drafts in November 2015, the German Association for Palliative Medicine surveyed its members on their attitudes and experiences regarding PAS. METHOD: Items for the survey were derived from the literature and consented in a focus group. LITERATURE SEARCH: 2005-2015 - PubMed: PAS [Title/Abstract] UND survey (all countries), grey literature...
November 28, 2016: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/27894016/adolescents-who-engage-in-active-school-transport-are-also-more-active-in-other-contexts-a-space-time-investigation
#14
Tom Stewart, Scott Duncan, Jasper Schipperijn
BACKGROUND: Although active school travel (AST) is important for increasing moderate-to-vigorous physical activity (MVPA), it is unclear how AST is related to context-specific physical activity and non-school travel. This study investigated how school travel is related to physical activity and travel behaviours across time- and space-classified domains. METHODS: A total of 196 adolescents wore a Global Positioning System receiver and an accelerometer for 7 days...
November 25, 2016: Health & Place
https://www.readbyqxmd.com/read/27885399/absolute-oral-bioavailability-of-selexipag-a-novel-oral-prostacyclin-ip-receptor-agonist
#15
Priska Kaufmann, Noémie Hurst, Béatrice Astruc, Jasper Dingemanse
PURPOSE: The aim of this single-center, open-label study was to assess the absolute bioavailability of an oral (tablet) versus intravenous (i.v.) formulation of selexipag in healthy subjects. METHODS: A pilot phase in three healthy male subjects, which preceded the main study, consisted of a single 20-minute i.v. infusion of 50 μg selexipag. Its objectives were to ensure the safety of the i.v. formulation and to select the i.v. dose for the main study. The main study had a randomized, two-way crossover design in 16 healthy male subjects...
November 24, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27884765/efficacy-of-clarithromycin-naproxen-oseltamivir-combination-in-the-treatment-of-patients-hospitalized-for-influenza-a-h3n2-infection-an-open-label-randomized-controlled-phase-2b-3-trial
#16
Ivan Fn Hung, Kelvin Kw To, Jasper Fw Chan, Vincent Cc Cheng, Kevin Sh Liu, Anthony Tam, Tuen-Ching Chan, Anna Jinxia Zhang, Patrick Li, Tin-Lun Wong, Ricky Zhang, Michael Ks Cheung, William Leung, Johnson Yn Lau, Manson Fok, Honglin Chen, Kwok-Hung Chan, Kwok-Yung Yuen
BACKGROUND: Influenza causes excessive hospitalizations and deaths. Single agent treatment with oseltamivir in severe influenza might be insufficient. The study assessed the efficacy and safety of oseltamivir-clarithromycin-naproxen combination for treatment of serious influenza. METHODS: From February to April 2015, we conducted a prospective open-label randomized-controlled trial. Adult patients hospitalized for A(H3N2) influenza were randomly assigned to a 2-day combination of clarithromycin 500mg, naproxen 200mg and oseltamivir 75mg twice daily, followed by 3 days of oseltamivir; or oseltamivir 75mg twice daily without placebos for 5 days as control (1:1)...
November 21, 2016: Chest
https://www.readbyqxmd.com/read/27884655/zika-virus-infection-in-dexamethasone-immunosuppressed-mice-demonstrating-disseminated-infection-with-multi-organ-involvement-including-orchitis-effectively-treated-by-recombinant-type-i-interferons
#17
Jasper Fuk-Woo Chan, Anna Jinxia Zhang, Chris Chung-Sing Chan, Cyril Chik-Yan Yip, Winger Wing-Nga Mak, Houshun Zhu, Vincent Kwok-Man Poon, Kah-Meng Tee, Zheng Zhu, Jian-Piao Cai, Jessica Oi-Ling Tsang, Kenn Ka-Heng Chik, Feifei Yin, Kwok-Hung Chan, Kin-Hang Kok, Dong-Yan Jin, Rex Kwok-Him Au-Yeung, Kwok-Yung Yuen
BACKGROUND: Disseminated or fatal Zika virus (ZIKV) infections were reported in immunosuppressed patients. Existing interferon-signaling/receptor-deficient mouse models may not be suitable for evaluating treatment effects of recombinant interferons. METHODS: We developed a novel mouse model for ZIKV infection by immunosuppressing BALB/c mice with dexamethasone. RESULTS: Dexamethasone-immunosuppressed male mice (6-8weeks) developed disseminated infection as evidenced by the detection of ZIKV-NS1 protein expression and high viral loads in multiple organs...
November 12, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27884470/the-first-exposure-assessment-of-legacy-and-unrestricted-brominated-flame-retardants-in-predatory-birds-of-pakistan
#18
Naeem Akhtar Abbasi, Igor Eulaers, Veerle Leontina Bernard Jaspers, Muhammad Jamshed Iqbal Chaudhry, Adrien Frantz, Per Lennart Ambus, Adrian Covaci, Riffat Naseem Malik
The exposure to legacy polybrominated diphenyl ethers (PBDEs), hexabromocyclododecanes (HBCDDs) and unrestricted 1,2-bis (2,4,6-tribromophenoxy) ethane (BTBPE), bis (2-ethylhexyl)-2,3,4,5-tetrabromophthalate (BEH-TEBP) and 2-ethylhexyl-2,3,4,5-tetrabromo-benzoate (EH-TBB) was examined in tail feathers of 76 birds belonging to ten predatory species inhabiting Pakistan. In addition, different feather types of six individuals of Black kite (Milvus migrans) were compared for their brominated flame retardant (BFR) levels...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27884016/expression-profiling-of-budding-cells-in-colorectal-cancer-reveals-an-emt-like-phenotype-and-molecular-subtype-switching
#19
Linde De Smedt, Sofie Palmans, Daan Andel, Olivier Govaere, Bram Boeckx, Dominiek Smeets, Eva Galle, Jasper Wouters, David Barras, Madeleine Suffiotti, Jeroen Dekervel, Thomas Tousseyn, Gert De Hertogh, Hans Prenen, Sabine Tejpar, Diether Lambrechts, Xavier Sagaert
BACKGROUND: Tumour budding, described as the presence of single cells or small clusters of up to five tumour cells at the invasive margin, is established as a prognostic marker in colorectal carcinoma. In the present study, we aimed to investigate the molecular signature of tumour budding cells and the corresponding tumour bulk. METHODS: Tumour bulk and budding areas were microdissected and processed for RNA-sequencing. As little RNA was obtained from budding cells, a special low-input mRNA library preparation protocol was used...
November 24, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27878602/-he-is-not-that-important-anymore-general-practitioners-in-a%C3%A2-specialized-palliative-home-care-setting-from-a%C3%A2-patient-s-point-of-view
#20
Sven Schwabe, Gülay Ates, Benjamin Ewert, Jeroen Hasselaar, Michaela Hesse, Lisa Linge-Dahl, Birgit Jaspers, Lukas Radbruch
BACKGROUND: The outpatient medical care of palliative patients (PPs) has always fallen within the duties of general practitioners. Since the specialized palliative out-patient care (SAPV) legislation in 2007 palliative home care teams (PCTs) were established, providing holistic medical, nursing, and psychosocial support for patients with life-limiting illness and their care providers. OBJECTIVES: The article explores the role of GPs in palliative home care settings with PCTs from the patient's perspective...
November 23, 2016: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
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