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https://www.readbyqxmd.com/read/29729847/siope-brain-tumor-group-consensus-guideline-on-craniospinal-target-volume-delineation-for-high-precision-radiotherapy
#1
Thankamma Ajithkumar, Gail Horan, Laetitia Padovani, Nicky Thorp, Beate Timmermann, Claire Alapetite, Lorenza Gandola, Monica Ramos, Karen Van Beek, Melissa Christiaens, Yasmin Lassen-Ramshad, Henriette Magelssen, Kristina Nilsson, Frank Saran, Barbara Rombi, Rolf Kortmann, Geert O Janssens
OBJECTIVE: To develop a consensus guideline for craniospinal target volume (TV) delineation in children and young adults participating in SIOPE studies in the era of high-precision radiotherapy. METHODS AND MATERIALS: During four consensus meetings (Cambridge, Essen, Liverpool, and Marseille), conventional field-based TV has been translated into image-guided high-precision craniospinal TV by a group of expert paediatric radiation oncologists and enhanced by MRI images of liquor distribution...
May 2, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29698060/dosimetric-comparison-of-five-different-techniques-for-craniospinal-irradiation-across-15-european-centers-analysis-on-behalf-of-the-siop-e-btg-radiotherapy-working-group
#2
Enrica Seravalli, Mirjam Bosman, Yasmin Lassen-Ramshad, Anne Vestergaard, Foppe Oldenburger, Jorrit Visser, Efi Koutsouveli, Chryssa Paraskevopoulou, Gail Horan, Thankamma Ajithkumar, Beate Timmermann, Carolina-Sofia Fuentes, Gillian Whitfield, Thomas Marchant, Laetitia Padovani, Eloise Garnier, Lorenza Gandola, Silvia Meroni, Bianca A W Hoeben, Martijn Kusters, Claire Alapetite, Sandra Losa, Farid Goudjil, Henriette Magelssen, Morten Egeberg Evensen, Frank Saran, Gregory Smyth, Barbara Rombi, Roberto Righetto, Rolf-Dieter Kortmann, Geert O Janssens
PURPOSE: Conventional techniques (3D-CRT) for craniospinal irradiation (CSI) are still widely used. Modern techniques (IMRT, VMAT, TomoTherapy® , proton pencil beam scanning [PBS]) are applied in a limited number of centers. For a 14-year-old patient, we aimed to compare dose distributions of five CSI techniques applied across Europe and generated according to the participating institute protocols, therefore representing daily practice. MATERIAL AND METHODS: A multicenter (n = 15) dosimetric analysis of five different techniques for CSI (3D-CRT, IMRT, VMAT, TomoTherapy® , PBS; 3 centers per technique) was performed using the same patient data, set of delineations and dose prescription (36...
April 26, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29675406/bio-oil-hydrotreatment-for-enhancing-solubility-in-biodiesel-and-the-oxydation-stability-of-resulting-blends
#3
Lucía Botella, Filip Stankovikj, José L Sánchez, Alberto Gonzalo, Jesús Arauzo, Manuel Garcia-Pérez
The major challenge for the pyrolytic conversion of lignocellulosic materials into crude bio-oil is the poor quality of the final product. Several strategies (addition of solvents, production of emulsions, and extraction with biodiesel) have been studied to improve its fuel properties. The extraction with biodiesel is an interesting solution because it allows direct utilization of some bio-oil fractions as fuels. However, fraction extracted with biodiesel is typically between 10 and 18 wt. %. In this paper we studied mild hydrotreatment of pyrolysis oil to enhance its solubility in biodiesel...
2018: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29674605/brain-training-games-enhance-cognitive-function-in-healthy-subjects
#4
Abdulrahman Al-Thaqib, Fahad Al-Sultan, Abdullah Al-Zahrani, Fahad Al-Kahtani, Khalid Al-Regaiey, Muhammad Iqbal, Shahid Bashir
BACKGROUND Brain training games (BTG) are believed to play a major role in improving cognitive functions. The current study evaluated if BTG showed positive impact on attention and memory functions compared with baseline visit in healthy subjects. MATERIAL AND METHODS The study was carried out from October 2015 until April 2016 in the Department of Physiology, College of Medicine, King Saud University and in King Khalid University Hospital (KKUH), Riyadh, Saudi Arabia. We enrolled 51 normal healthy subjects to use a computerized cognitive training game (Lumosity) for exercises that target a range of cognitive functions, including attention, processing speed, visual memory, and executive functions for about 15 min per day, at least 7 days per week, for 3 weeks...
April 20, 2018: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/29552179/prognostic-significance-of-copy-number-alterations-detected-by-multi-link-probe-amplification-of-multiple-genes-in-adult-acute-lymphoblastic-leukemia
#5
Qiuyun Fang, Tian Yuan, Yan Li, Juan Feng, Xiaoyuan Gong, Qinghua Li, Xingli Zhao, Kaiqi Liu, Kejing Tang, Zheng Tian, Qi Zhang, Ying Wang, Bingcheng Liu, Min Wang, Kun Ru, Jianxiang Wang, Yingchang Mi
The multiplex ligation-dependent probe amplification (MLPA) method was used to detect the copy number alterations (CNAs) of IKAROS family zinc finger 1 ( IKZF1 ), paired box 5 ( PAX5 ), ETS variant 6 ( ETV6 ), RB transcriptional corepressor 1 ( RB1 ), BTG anti-proliferation factor 1 ( BTG1 ), early B-cell factor 1 ( EBF1 ), cyclin dependent kinase inhibitor 2A/2B ( CDKN2A/2B ) and cytokine receptor like factor 2 ( CRLF2 ) genes in 87 adults with acute lymphoblastic leukemia (ALL) in China. The effects of CNAs on prognosis were analyzed...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29545693/effect-of-bilateral-lower-limb-strengthening-exercise-on-balance-and-walking-in-hemiparetic-patients-after-stroke-a-randomized-controlled-trial
#6
Hye Joo Jeon, Byong Yong Hwang
[Purpose] To evaluate the effect of bilateral lower limb strengthening designed to improve balance and walking in stroke patients. [Subjects and Methods] Twenty hemiparetic stroke patients were divided into two groups: a unilateral therapy group (UTG) (n=10) and a bilateral therapy group (BTG) (n=10). The UTG completed strength training only in the paretic lower limb. The BTG completed strength training in the paretic and non-paretic lower limbs. Assessment tools included the functional reach test (FRT), the Berg balance scale (BBS), the timed up and go (TUG) test, and a 10-meter walk test (10MWT)...
February 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29521714/comparison-of-antivenom-dosing-strategies-for-rattlesnake-envenomation
#7
Meghan B Spyres, Aaron B Skolnik, Elizabeth C Moore, Richard D Gerkin, Angela Padilla-Jones, Anne-Michelle Ruha
OBJECTIVES: This study compares maintenance with clinical- and laboratory-triggered (as-needed [PRN]) antivenom dosing strategies with regard to patient-centered outcomes after rattlesnake envenomation. DESIGN: This is a retrospective cohort study of adult rattlesnake envenomations treated at a regional toxicology center. Data on demographics, envenomation details, antivenom administration, length of stay, and laboratory and clinical outcomes were compared between the PRN and maintenance groups...
June 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29441724/prmt5-promotes-cell-proliferation-by-inhibiting-btg2-expression-via-the-erk-signaling-pathway-in-hepatocellular-carcinoma
#8
Hai Jiang, Yue Zhu, Zhenyu Zhou, Junyang Xu, Shaowen Jin, Kang Xu, Heyun Zhang, Qing Sun, Jie Wang, Junyao Xu
Increasing evidence suggests that PRMT5, a protein arginine methyltransferase, has roles in cell growth regulation and cancer development. However, the role of PRMT5 in hepatocellular carcinoma (HCC) progression remains unclear. Here, we showed that PRMT5 expression was frequently upregulated in HCC tissues, and its expression was inversely correlated with overall survival in HCC patients. PRMT5 knockdown markedly inhibited in vitro HCC proliferation and in vivo tumorigenesis. We revealed that the mechanism of PRMT5-induced proliferation was partially mediated by BTG downregulation, leading to cell cycle arrest during the G1 phase in HCC cells...
March 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29173807/association-between-hemostatic-markers-serum-lipid-fractions-and-progression-of-cerebral-small-vessel-disease-a-2-year-follow-up-study
#9
Jacek Staszewski, Renata Piusińska-Macoch, Bogdan Brodacki, Ewa Skrobowska, Adam Stępień
INTRODUCTION: Little is known if hemostatic markers and serum lipid fractions can predict further radiological progression beyond vascular risk factors in cerebral small vessel disease (SVD). We investigated whether they are associated with SVD radiological progression and if they are related to different SVD clinical manifestations. METHODS: A single-center, prospective, cohort study with 2 years of radiological follow-up was performed in consecutive patients with different SVD manifestations...
January 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29102752/prognostic-factors-for-the-survival-outcome-of-bilateral-thalamic-glioma-an-integrated-survival-analysis
#10
Xiaodong Niu, Tianwei Wang, Yuan Yang, Youjun Gan, Jiaoming Li, Yanhui Liu, Qing Mao
OBJECTIVE: The aim of this study was to perform an integrated survival analysis of patients with bilateral thalamic glioma and to assess the influence of various prognostic factors on overall survival. METHODS: A literature search of PubMed, Web of Science, and Google Scholar was performed for literature in English published from 1964 to May 2017. Detailed information including demographics, clinical characteristics, treatments, critical events, and time to events for survival analysis were extracted from the included articles...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29092226/influence-of-the-photonic-nanojet-of-microspheres-on-microsphere-imaging
#11
Songlin Yang, Fengge Wang, Yong-Hong Ye, Yang Xia, Yun Deng, Jianguo Wang, Yurong Cao
The imaging properties of BaTiO3 glass (BTG) microspheres in the diameter range of 5-50 µm which are fully immersed in a polydimethylsiloxane layer are experimentally studied. Our experimental results show that for both Blu-ray disc samples and the single-layer hexagonally close-packed microsphere array samples, with the increase of the diameter of BTG microspheres, the range of focal image positions (RFIP) increases linearly. When the diameter of BTG microspheres increases from 5 to 50 μm, the RFIP changes from 4 to 25 μm...
October 30, 2017: Optics Express
https://www.readbyqxmd.com/read/29076521/btg1-low-expression-in-pancreatic-ductal-adenocarcinoma-is-associated-with-a-poorer-prognosis
#12
Yufang Huang, Jiawei Zheng, Ting Tan, Li Song, Shanshan Huang, Yan Zhang, Lin Lin, Jingnan Liu, Peichan Zheng, Xiong Chen, Xi Chen, Xuenong Ouyang
OBJECTIVE: BTG1 is a member of the TOB/BTG protein family, which is a transducer of ErbB-2 and TOB2. It is known to inhibit tumor genesis, but its role in pancreatic ductal adenocarcinoma (PDAC) is still unknown. The purpose of this study is to investigate the expression of BTG1 protein in PDAC and to determine its prognostic significance. METHODS: Immunohistochemistry is used to determine the protein expression of the BTG1 gene in 79 surgically resected PDAC. The association of BTG1 expression with all the patients' clinicopathologic parameters, including survival, was analyzed using statistical software...
October 25, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29066805/uptake-of-glucose-conjugated-mgmt-inhibitors-in-cancer-cells-role-of-flippases-and-type-iv-p-type-atpases
#13
Karl-Heinz Tomaszowski, Nadja Hellmann, Viviane Ponath, Hiroyuki Takatsu, Hye-Won Shin, Bernd Kaina
The DNA repair protein O6 -methylguanine-DNA-methyltransferase (MGMT) is a key determinant of cancer resistance. The MGMT inhibitors O6 -benzylguanine (O6 BG) and O6 -(4-bromothenyl)guanine (O6 BTG) failed to enhance the therapeutic response due to toxic side effects when applied in combination with alkylating chemotherapeutics, indicating a need of inhibitor targeting. We assessed MGMT targeting that relies on conjugating the inhibitors O6 BG and O6 BTG to ß-D-glucose, resulting in O6 BG-Glu and O6 BTG-Glu, respectively...
October 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28922388/expression-and-prognosis-analyses-of-the-tob-btg-antiproliferative-apro-protein-family-in-human-cancers
#14
Yuru Bai, Lu Qiao, Ning Xie, Yongquan Shi, Na Liu, Jinhai Wang
BACKGROUND: Despite advances in early diagnosis and treatment, cancer remains the major cause of mortality in the world. The Tob/BTG antiproliferative (APRO) protein family is reported to participate in diverse human diseases. However, there's little known about their expression and prognostic values in most human cancers. METHODS: We performed a detailed cancer vs. normal analysis. The mRNA expression levels of APRO family in various cancers were analyzed via the Oncomine database...
2017: PloS One
https://www.readbyqxmd.com/read/28834778/outcomes-of-radioembolization-for-unresectable-hepatocellular-carcinoma-in-patients-with-marginal-functional-hepatic-reserve
#15
Derek M Biederman, Raghuram Posham, Raisa J Durrani, Joseph J Titano, Rahul S Patel, Nora E Tabori, Francis S Nowakowski, Aaron M Fischman, Robert A Lookstein, Edward Kim
PURPOSE: To evaluate the outcomes of radioembolization (RE) as a therapy for unresectable hepatocellular carcinoma (HCC) in patients with marginal functional hepatic reserve. METHODS: A retrospective review of 471 patients (1/2010-7/2015) treated with RE (Therasphere, BTG, UK) was performed. A total of 36 patients (mean age: 66.1±9.3, male: 86.1%) underwent therapy for HCC with a MELD≥15 (median: 16, range: 15-22). Baseline demographics of the study cohort were as follows: etiology (HCV: 26, 72...
January 2018: Clinical Imaging
https://www.readbyqxmd.com/read/28701697/peptidomics-of-an-in-vitro-digested-%C3%AE-gal-carrying-protein-revealed-ige-reactive-peptides
#16
D Apostolovic, M Krstic, J Mihailovic, M Starkhammar, T Cirkovic Velickovic, C Hamsten, M van Hage
The mammalian carbohydrate galactose-α1,3-galactose (α-Gal) causes a novel form of food allergy, red meat allergy, where patients experience severe allergic reactions several hours after red meat consumption. Here we explored gastric digestion of α-Gal glycoproteins using an in vitro model. Bovine thyroglobulin (BTG), a typical α-Gal carrying glycoprotein, was digested with pepsin. The resulting peptides were characterised by SDS PAGE, immunoblot and ImmunoCAP using sera from 20 red meat allergic patients...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28648803/sorafenib-in-combination-with-transarterial-chemoembolisation-in-patients-with-unresectable-hepatocellular-carcinoma-tace-2-a-randomised-placebo-controlled-double-blind-phase-3-trial
#17
Tim Meyer, Richard Fox, Yuk Ting Ma, Paul J Ross, Martin W James, Richard Sturgess, Clive Stubbs, Deborah D Stocken, Lucy Wall, Anthony Watkinson, Nigel Hacking, T R Jeffry Evans, Peter Collins, Richard A Hubner, David Cunningham, John Neil Primrose, Philip J Johnson, Daniel H Palmer
BACKGROUND: Transarterial chemoembolisation (TACE) is the standard of care for patients with intermediate stage hepatocellular carcinoma, while the multikinase inhibitor sorafenib improves survival in patients with advanced disease. We aimed to determine whether TACE with sorafenib improves progression-free survival versus TACE with placebo. METHODS: We did a multicentre, randomised, placebo-controlled, phase 3 trial (TACE 2) in 20 hospitals in the UK for patients with unresectable, liver-confined hepatocellular carcinoma...
June 22, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28631637/an-integrated-genomic-profile-that-includes-copy-number-alterations-is-highly-predictive-of-minimal-residual-disease-status-in-childhood-precursor-b-lineage-acute-lymphoblastic-leukemia
#18
Nikhil Patkar, P G Subramanian, Prashant Tembhare, Sneha Mandalia, Gaurav Chaterjee, Nikhil Rabade, Rohan Kodgule, Karishma Chopra, Asma Bibi, Swapnali Joshi, Shruti Chaudhary, Russel Mascerhenas, Pratibha Kadam-Amare, Gaurav Narula, Brijesh Arora, Shripad Banavali, Sumeet Gujral
INTRODUCTION: Copy number alterations (CNA) have been described in childhood precursor B-lineage acute lymphoblastic leukemia (B-ALL) which in conjunction with chromosomal abnormalities drive leukemogenesis. There is no consensus on the clinical incorporation of CNA in B-ALL. An integrated genomic classification (IGC) has been proposed which includes CNA and cytogenetics. METHODS: We correlated this IGC with immunophenotypic minimal residual disease (MRD) as well as other standard criteria for 245 patients of B-ALL such as National Cancer Institute (NCI) risk, D+8 prednisolone response, cytogenetics, and ploidy status...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28613020/integrated-gene-expression-profiling-and-chromatin-immunoprecipitation-followed-by-sequencing-analysis-of-the-c-terminal-binding-protein-in-breast-cancer
#19
Lu Chen, Yang Yang, Liwei Xu, Rui Liu, Yali Wang
AIM: This study explored the possible mechanisms of the transcriptional regulatory activities of C-terminal binding protein (CtBP) and the role of CtBP in the pathogenesis of breast cancer. METHODS: Microarray data of GSE36529, including three CtBP-knockdown breast cancer MCF-7 cell samples, three control knockdown samples and data of CtBP binding profile in MCF-7 cells, was downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were screened between CtBP-knockdown MCF-7 cell samples and controls...
June 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28591869/alternative-splicing-of-cnot7-diversifies-ccr4-not-functions
#20
Clément Chapat, Kamel Chettab, Pierre Simonet, Peng Wang, Pierre De La Grange, Muriel Le Romancer, Laura Corbo
The CCR4-associated factor CAF1, also called CNOT7, is a catalytic subunit of the CCR4-NOT complex, which has been implicated in all aspects of the mRNA life cycle, from mRNA synthesis in the nucleus to degradation in the cytoplasm. In human cells, alternative splicing of the CNOT7 gene yields a second CNOT7 transcript leading to the formation of a shorter protein, CNOT7 variant 2 (CNOT7v2). Biochemical characterization indicates that CNOT7v2 interacts with CCR4-NOT subunits, although it does not bind to BTG proteins...
August 21, 2017: Nucleic Acids Research
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