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https://www.readbyqxmd.com/read/28800395/using-chemistry-to-target-neuroblastoma
#1
Jeanne N Hansen, Xingguo Li, Y George Zheng, Louis T Lotta, Abhishek Dedhe, Nina F Schor
Neuroblastoma is a cancer of the neural crest almost exclusively seen in childhood. While children with single, small primary tumors are often cured with surgery alone, the 65% of children with neuroblastoma whose disease has metastasized have less than a 50% chance of surviving five years after diagnosis. Innovative pharmacological strategies are critically needed for these children. Efforts to identify novel targets that afford ablation of neuroblastoma with minimal toxicity to normal tissues are underway...
August 11, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28796812/toxicological-and-bio-distribution-profile-of-a-gm-csf-expressing-double-targeted-chimeric-oncolytic-adenovirus-oncos-102-support-for-clinical-studies-on-advanced-cancer-treatment
#2
Lukasz Kuryk, Lotta Vassilev, Tuuli Ranki, Akseli Hemminki, Aila Karioja-Kallio, Onerva Levälampi, Antti Vuolanto, Vincenzo Cerullo, Sari Pesonen
The purpose of this work was to carry out preclinical toxicity and bio-distribution studies required for regulatory approval of a clinical trial application for Phase I clinical studies of ONCOS-102 (Ad5/3-D24-GM-CSF) for therapy of advanced cancers (NCT01598129). The study design, route of administration and dosage differs from the clinical protocol and in more detail, investigate bio-distribution and toxicological profile of ONCOS-102 treatment in animal model. The study was carried out in 300 hamsters divided into nine test groups-three bio-distribution groups and six groups for analysis of toxicity...
2017: PloS One
https://www.readbyqxmd.com/read/28795185/bio-psychosocial-factors-are-associated-with-pain-intensity-physical-functioning-and-ability-to-work-in-female-healthcare-personnel-with-recurrent-low-back-pain
#3
Annika Taulaniemi, Lotta Kuusinen, Kari Tokola, Markku Kankaanpää, Jaana H Suni
OBJECTIVE: To investigate associations of various bio-psychosocial factors with bodily pain, physical func-tioning, and ability to work in low back pain. DESIGN: Cross-sectional study. SUBJECTS: A total of 219 female healthcare workers with recurrent non-specific low back pain. METHODS: Associations between several physical and psychosocial factors and: (i) bodily pain, (ii) physical functioning and (iii) ability to work were studied...
August 9, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28778084/inhibition-of-chemerin-cmklr1-axis-in-neuroblastoma-cells-reduces-clonogenicity-and-cell-viability-in-vitro-and-impairs-tumor-growth-in-vivo
#4
Conny Tümmler, Igor Snapkov, Malin Wickström, Ugo Moens, Linda Ljungblad, Lotta Helena Maria Elfman, Jan-Olof Winberg, Per Kogner, John Inge Johnsen, Baldur Sveinbjørnsson
Pro-inflammatory cells, cytokines, and chemokines are essential in promoting a tumor supporting microenvironment. Chemerin is a chemotactic protein and a natural ligand for the receptors CMKLR1, GPR1, and CCRL2. The chemerin/CMKLR1 axis is involved in immunity and inflammation, and it has also been implicated in obesity and cancer.In neuroblastoma, a childhood tumor of the peripheral nervous system we identified correlations between high CMKLR1 and GPR1 expression and reduced overall survival probability. CMKLR1, GPR1, and chemerin RNA and protein were detected in neuroblastoma cell lines and neuroblastoma primary tumor tissue...
July 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28765260/tracing-cellular-origin-of-human-exosomes-using-multiplex-proximity-extension-assays
#5
Pia Larssen, Lotta Wik, Paulo Czarnewski, Maria Eldh, Liza Löf, K Göran Ronquist, Louise Dubois, Eva Freyhult, Caroline J Gallant, Johan Oelrich, Anders Larsson, Gunnar Ronquist, Eduardo J Villablanca, Ulf Landegren, Susanne Gabrielsson, Masood Kamali-Moghaddam
No abstract text is available yet for this article.
August 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28762081/ibrutinib-versus-previous-standard-of-care-an-adjusted-comparison-in-patients-with-relapsed-refractory-chronic-lymphocytic-leukaemia
#6
Lotta Hansson, Anna Asklid, Joris Diels, Sandra Eketorp-Sylvan, Johanna Repits, Frans Søltoft, Ulrich Jäger, Anders Österborg
This study explored the relative efficacy of ibrutinib versus previous standard-of-care treatments in relapsed/refractory patients with chronic lymphocytic leukaemia (CLL), using multivariate regression modelling to adjust for baseline prognostic factors. Individual patient data were collected from an observational Stockholm cohort of consecutive patients (n = 144) diagnosed with CLL between 2002 and 2013 who had received at least second-line treatment. Data were compared with results of the RESONATE clinical trial...
July 31, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28757008/high-occurrence-of-mecc-mrsa-in-wild-hedgehogs-erinaceus-europaeus-in-sweden
#7
Björn Bengtsson, Lotta Persson, Kerstin Ekström, Helle Ericsson Unnerstad, Henrik Uhlhorn, Stefan Börjesson
We investigated the occurrence of mecC-MRSA in wild hedgehogs (Erinaceus europaeus) in Sweden and characterized the obtained isolates. Samples from 55 hedgehogs from five counties of Sweden were cultivated selectively for MRSA and putative isolates were confirmed by real-time PCR detecting mecA, mecC, nuc and PVL genes. mecC-MRSA was confirmed in 35 (64%) animals from three geographically separated counties. Confirmed isolates were spa-typed and tested for antimicrobial susceptibility by broth microdilution...
August 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28740072/long-term-genomic-coevolution-of-host-parasite-interaction-in-the-natural-environment
#8
Elina Laanto, Ville Hoikkala, Janne Ravantti, Lotta-Riina Sundberg
Antagonistic coevolution of parasite infectivity and host resistance may alter the biological functionality of species, yet these dynamics in nature are still poorly understood. Here we show the molecular details of a long-term phage-bacterium arms race in the environment. Bacteria (Flavobacterium columnare) are generally resistant to phages from the past and susceptible to phages isolated in years after bacterial isolation. Bacterial resistance selects for increased phage infectivity and host range, which is also associated with expansion of phage genome size...
July 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28737627/direct-and-indirect-effectiveness-of-the-ten-valent-pneumococcal-conjugate-vaccine-against-carriage-in-a-cluster-randomized-trial
#9
Arto A Palmu, Maija Toropainen, Tarja Kaijalainen, Lotta Siira, Mika Lahdenkari, Heta Nieminen, Ritva K Syrjänen, Terhi M Kilpi, Jukka Jokinen
Finnish Invasive Pneumococcal disease (FinIP) vaccine trial was designed to evaluate effectiveness of ten-valent pneumococcal conjugate vaccine (PHiD-CV10, GSK). We conducted two satellite studies to evaluate PHiD-CV10 effectiveness against pneumococcal carriage in FinIP-vaccinated children (long-term direct and indirect effectiveness combined) and in their unvaccinated siblings (indirect effectiveness within the family).FinIP was a cluster-randomized trial, where >47000 children <19 months of age were recruited 2009-2010...
July 21, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28725159/importance-of-social-capital-at-the-workplace-for-return-to-work-among-women-with-a-history-of-long-term-sick-leave-a-cohort-study
#10
Ingela Rydström, Lotta Dalheim Englund, Lotta Dellve, Linda Ahlstrom
BACKGROUND: The workplace is an essential source of social capital for many people; it provides mutual support and gives meaning to life. However, few prospective studies have thoroughly investigated the importance of aspects of social capital in the workplace. The aim of this study was to investigate the associations between aspects of social capital (social support, sense of community, and quality of leadership) at the workplace, and work ability, working degree, and vitality among women with a history of long-term sick leave from human service organizations...
2017: BMC Nursing
https://www.readbyqxmd.com/read/28716906/virus-found-in-a-boreal-lake-links-ssdna-and-dsdna-viruses
#11
Elina Laanto, Sari Mäntynen, Luigi De Colibus, Jenni Marjakangas, Ashley Gillum, David I Stuart, Janne J Ravantti, Juha T Huiskonen, Lotta-Riina Sundberg
Viruses have impacted the biosphere in numerous ways since the dawn of life. However, the evolution, genetic, structural, and taxonomic diversity of viruses remain poorly understood, in part because sparse sampling of the virosphere has concentrated mostly on exploring the abundance and diversity of dsDNA viruses. Furthermore, viral genomes are highly diverse, and using only the current sequence-based methods for classifying viruses and studying their phylogeny is complicated. Here we describe a virus, FLiP (Flavobacterium-infecting, lipid-containing phage), with a circular ssDNA genome and an internal lipid membrane enclosed in the icosahedral capsid...
August 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28715366/continuous-wave-thulium-laser-for-heating-cultured-cells-to-investigate-cellular-thermal-effects
#12
Yoko Miura, Joachim Pruessner, Carla Lotta Mertineit, Katharina Kern, Michael Muenter, Moritz Moltmann, Veit Danicke, Ralf Brinkmann
An original method to heat cultured cells using a 1.94 µm continuous-wave thulium laser for biological assessment is introduced here. Thulium laser radiation is strongly absorbed by water, and the cells at the bottom of the culture dish are heated through thermal diffusion. A laser fiber with a diameter of 365 µm is set about 12 cm above the culture dish, without any optics, such that the laser beam diameter is almost equivalent to the inner diameter of the culture dish (30 mm). By keeping a consistent amount of culture medium in each experiment, it is possible to irradiate the cells with a highly reproducible temperature increase...
June 30, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28710095/acute-coronary-syndrome-in-new-onset-rheumatoid-arthritis-a-population-based-nationwide-cohort-study-of-time-trends-in-risks-and-excess-risks
#13
Marie Holmqvist, Lotta Ljung, Johan Askling
BACKGROUND: Acute coronary syndrome (ACS) and other cardiovascular diseases are the main drivers of the increased morbidity and preterm mortality in rheumatoid arthritis (RA). ACS in RA has been linked to inflammation and RA severity. During recent years and with new therapeutic options and treat-to-target strategies, increasing efforts have been made to reach RA remission as soon as possible after diagnosis, and the average level of RA disease activity has declined. Whether this has resulted in declining excess risks for RA comorbidities remains unclear...
July 14, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28706114/one-year-incidence-time-trends-and-predictors-of-recurrent-ischemic-stroke-in-sweden-from-1998-to-2010-an-observational-study
#14
Lisa Bergström, Anna-Lotta Irewall, Lars Söderström, Joachim Ögren, Katarina Laurell, Thomas Mooe
BACKGROUND AND PURPOSE: Recent data on the incidence, time trends, and predictors of recurrent ischemic stroke are limited for unselected patient populations. METHODS: Data for ischemic stroke patients were obtained from The Swedish Stroke Register (Riksstroke) between 1998 and 2009 and merged with The Swedish National Inpatient Register. A reference group of patients was created by Statistics Sweden. The ischemic stroke patient cohort was divided into 4 time periods...
July 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28705923/maternal-and-female-fetal-testosterone-levels-are-associated-with-maternal-age-and-gestational-weight-gain
#15
Theodora Kunovac-Kallak, Charlotte Hellgren, Alkistis Skalkidou, Lotta Sandelin-Francke, Kumari Ubhayasekera, Jonas Bergquist, Ove Axelsson, Erika Comasco, Rebecca Campbell, Inger Sundstrom Poromaa
OBJECTIVE: Prenatal androgen exposure has been suggested to play a role in polycystic ovary syndrome. Given the limited information on what maternal characteristics influence maternal testosterone levels, and the even less explored routes by which female fetus androgen exposure would occur, the aim of this study was to investigate the impact of maternal age, BMI, weight gain, depressed mood, and aromatase SNPs on testosterone levels in maternal serum and amniotic fluid of female fetuses...
July 13, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28702322/mitochondrial-transcription-factor-b2-is-essential-for-mitochondrial-and-cellular-function-in-pancreatic-%C3%AE-cells
#16
Lisa M Nicholas, Bérengère Valtat, Anya Medina, Lotta Andersson, Mia Abels, Inês G Mollet, Deepak Jain, Lena Eliasson, Nils Wierup, Malin Fex, Hindrik Mulder
OBJECTIVE: Insulin release from pancreatic β-cells is controlled by plasma glucose levels via mitochondrial fuel metabolism. Therefore, insulin secretion is critically dependent on mitochondrial DNA (mtDNA) and the genes it encodes. Mitochondrial transcription factor B2 (TFB2M) controls transcription of mitochondrial-encoded genes. However, its precise role in mitochondrial metabolism in pancreatic β-cells and, consequently, in insulin secretion remains unknown. METHODS: To elucidate the role of TFB2M in mitochondrial function and insulin secretion in vitro and in vivo, mice with a β-cell specific homozygous or heterozygous knockout of Tfb2m and rat clonal insulin-producing cells in which the gene was silenced were examined with an array of metabolic and functional assays...
July 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28686890/assessing-the-use-of-%C3%AE-18-o-in-phosphate-as-a-tracer-for-catchment-phosphorus-sources
#17
Karin Tonderski, Lotta Andersson, Göran Lindström, Rasmus St Cyr, Ronny Schönberg, Heinrich Taubald
Procedures for source apportionment of nutrients transported in rivers and streams are often uncertain and difficult to validate. In this study, we investigated if the oxygen isotope ratios in stream dissolved phosphate (δ(18)OP) can be used to distinguish between the phosphorus (P) originating from agricultural runoff and from rural sewage, at different periods of the year. Water was collected from septic tanks, drainage wells and the stream outlet in a small (7.3 km(2)) agricultural catchment to capture variations in the isotope signature at different flow events...
July 4, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28667186/analytically-sensitive-protein-detection-in-microtiter-plates-by-proximity-ligation-with-rolling-circle-amplification
#18
Tonge Ebai, Felipe Marques Souza de Oliveira, Liza Löf, Lotta Wik, Caroline Schweiger, Anders Larsson, Ulrich Keilholtz, Johannes Haybaeck, Ulf Landegren, Masood Kamali-Moghaddam
BACKGROUND: Detecting proteins at low concentrations in plasma can be crucial for early diagnosis. Current techniques used in clinical routine, such as sandwich ELISA, provide for protein detection because of a dependence on target recognition by pairs of antibodies, but detection of low protein concentrations is often called for. Proximity ligation assay with rolling circle amplification (PLARCA) is an adaptation of the proximity ligation assay (PLA) for analytically specific and sensitive protein detection via binding of target proteins by 3 antibodies, and signal amplification via rolling circle amplification (RCA) in microtiter wells, in a manner easily adapted to instrumentation in use in hospitals...
June 30, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28666077/is-rheumatoid-arthritis-a-mortal-disease
#19
EDITORIAL
Johan Askling, Marie Holmqvist, Lotta Ljung
No abstract text is available yet for this article.
June 30, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28665354/a-validation-study-of-an-interviewer-administered-short-food-frequency-questionnaire-in-assessing-dietary-vitamin-d-and-calcium-intake-in-swedish-children
#20
Lotta Söderberg, Torbjörn Lind, Pia Karlsland Åkeson, Ann-Kristin Sandström, Olle Hernell, Inger Öhlund
Vitamin D and calcium are essential nutrients with a range of biological effects of public health relevance. This study aimed to validate a short food frequency questionnaire (SFFQ) against a three-day food record (3D record), assessing the intake of vitamin D and calcium in Swedish children during wintertime. In a double-blinded, randomized food-based intervention study on the effect of feeding different daily doses of vitamin D supplement to 5-7-year-old children (n = 85), 79 (93%) participants completed SFFQ1 at baseline and SFFQ2 after the intervention, and 72 were informed to fill in a 3D record...
June 30, 2017: Nutrients
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