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Laura dawson

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https://www.readbyqxmd.com/read/28202227/phase-i-trial-of-radiation-therapy-and-sorafenib-in-unresectable-liver-metastases
#1
Rebecca B Goody, Anthony M Brade, Lisa Wang, Tim Craig, James Brierley, Robert Dinniwell, Rebecca K S Wong, Charles Cho, John Kim, Zahra Kassam, Jolie Ringash, Jennifer J Knox, Laura A Dawson
BACKGROUND AND PURPOSE: To determine maximum tolerated dose (MTD) and toxicities of sorafenib combined with stereotactic radiotherapy (SBRT) or whole liver radiotherapy (WLRT) in patients with liver metastases. MATERIAL AND METHODS: Eligible patients had unresectable liver metastases. Sorafenib dose was escalated in 2 strata: I - SBRT: effective liver volume irradiated (Veff)<80% (30-60Gy in 6 fractions); II - WLRT: Veff>80% (21.6Gy in 6 fractions). Four weeks of sorafenib, with radiotherapy during weeks 2-3, was delivered at 3 escalating dose levels (200-400mg twice daily)...
February 12, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28198420/no-saturation-in-the-accumulation-of-alien-species-worldwide
#2
Hanno Seebens, Tim M Blackburn, Ellie E Dyer, Piero Genovesi, Philip E Hulme, Jonathan M Jeschke, Shyama Pagad, Petr Pyšek, Marten Winter, Margarita Arianoutsou, Sven Bacher, Bernd Blasius, Giuseppe Brundu, César Capinha, Laura Celesti-Grapow, Wayne Dawson, Stefan Dullinger, Nicol Fuentes, Heinke Jäger, John Kartesz, Marc Kenis, Holger Kreft, Ingolf Kühn, Bernd Lenzner, Andrew Liebhold, Alexander Mosena, Dietmar Moser, Misako Nishino, David Pearman, Jan Pergl, Wolfgang Rabitsch, Julissa Rojas-Sandoval, Alain Roques, Stephanie Rorke, Silvia Rossinelli, Helen E Roy, Riccardo Scalera, Stefan Schindler, Kateřina Štajerová, Barbara Tokarska-Guzik, Mark van Kleunen, Kevin Walker, Patrick Weigelt, Takehiko Yamanaka, Franz Essl
Although research on human-mediated exchanges of species has substantially intensified during the last centuries, we know surprisingly little about temporal dynamics of alien species accumulations across regions and taxa. Using a novel database of 45,813 first records of 16,926 established alien species, we show that the annual rate of first records worldwide has increased during the last 200 years, with 37% of all first records reported most recently (1970-2014). Inter-continental and inter-taxonomic variation can be largely attributed to the diaspora of European settlers in the nineteenth century and to the acceleration in trade in the twentieth century...
February 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28180185/precision-therapy-for-a-new-disorder-of-ampa-receptor-recycling-due-to-mutations-in-atad1
#3
Rebecca C Ahrens-Nicklas, George K E Umanah, Neal Sondheimer, Matthew A Deardorff, Alisha B Wilkens, Laura K Conlin, Avni B Santani, Addie Nesbitt, Jane Juulsola, Erica Ma, Ted M Dawson, Valina L Dawson, Eric D Marsh
OBJECTIVE: ATAD1 encodes Thorase, a mediator of α-amino-3-hydroxy-5-methylisoxazole-4-proprionate (AMPA) receptor recycling; in this work, we characterized the phenotype resulting from ATAD1 mutations and developed a targeted therapy in both mice and humans. METHODS: Using exome sequencing, we identified a novel ATAD1 mutation (p.E276X) as the etiology of a devastating neurologic disorder characterized by hypertonia, seizures, and death in a consanguineous family...
February 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28145162/early-use-of-corticosteroids-in-infants-with-a-clinical-diagnosis-of-pneumocystis-jiroveci-pneumonia-in-malawi-a-double-blind-randomised-clinical-trial
#4
Laura Newberry, Bernadette O'Hare, Neil Kennedy, Andrew Selman, Sofia Omar, Pamela Dawson, Kim Stevenson, Yo Nishihara, Samantha Lissauer, Elizabeth Molyneux
BACKGROUND: Pneumocystis jiroveci pneumonia (PJP) is the most common opportunistic infection in infants with vertically acquired HIV infection and the most common cause of death in HIV-infected infants. OBJECTIVES: To determine whether early administration of adjuvant corticosteroids in addition to standard treatment reduces mortality in infants with vertically acquired HIV and clinically diagnosed PJP when co-infection with cytomegalovirus and other pathogens cannot be excluded...
February 1, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28143794/home-sweet-home-parent-and-home-environmental-factors-in-adolescent-consumption-of-sugar-sweetened-beverages
#5
Laura M Bogart, Marc N Elliott, Allison J Ober, David J Klein, Jennifer Hawes-Dawson, Burton O Cowgill, Kimberly Uyeda, Mark A Schuster
OBJECTIVE: Sugar-sweetened beverages (SSBs) are key contributors to obesity among youth. We investigated associations among parental and home-related factors (parental attitudes and consumption; home availability) regarding three types of SSBs-soda, sports drinks, and fruit-flavored drinks-with consumption of each type of SSB in a general school-based sample of adolescents. METHODS: Data were collected across three school semesters, from 2009-2011. A total of 1,313 seventh-grade student-parent dyads participated...
January 28, 2017: Academic Pediatrics
https://www.readbyqxmd.com/read/28109627/a-final-report-of-a-phase-i-study-of-veliparib-abt-888-in-combination-with-low-dose-fractionated-whole-abdominal-radiation-therapy-ldfwar-in-patients-with-advanced-solid-malignancies-and-peritoneal-carcinomatosis-with-a-dose-escalation-in-ovarian-and-fallopian
#6
Kim A Reiss, Joseph M Herman, Deborah Armstrong, Marianna Zahurak, Anthony Fyles, Anthony Brade, Michael Milosevic, Laura A Dawson, Angela Scardina, Patricia Fischer, Amy Hacker-Prietz, Robert J Kinders, Lihua Wang, Alice Chen, Sarah Temkin, Naomi Horiba, Lee-Anne Stayner, Lillian L Siu, Nilofer S Azad
BACKGROUND: The combination of low-dose radiation therapy with PARP inhibition enhances anti-tumor efficacy through potentiating DNA damage. We combined low-dose fractionated whole abdominal radiation (LDFWAR) with ABT-888 in patients with peritoneal carcinomatosis with a dose escalation in ovarian and fallopian cancer patients (OV). METHODS: Patients were treated with veliparib, 40-400mg orally BID on days 1-21 of 3 28-day cycles on 6 dose levels. Dose levels 5 and 6 included only OV patients...
March 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28099414/neurotoxic-reactive-astrocytes-are-induced-by-activated-microglia
#7
Shane A Liddelow, Kevin A Guttenplan, Laura E Clarke, Frederick C Bennett, Christopher J Bohlen, Lucas Schirmer, Mariko L Bennett, Alexandra E Münch, Won-Suk Chung, Todd C Peterson, Daniel K Wilton, Arnaud Frouin, Brooke A Napier, Nikhil Panicker, Manoj Kumar, Marion S Buckwalter, David H Rowitch, Valina L Dawson, Ted M Dawson, Beth Stevens, Ben A Barres
Reactive astrocytes are strongly induced by central nervous system (CNS) injury and disease, but their role is poorly understood. Here we show that a subtype of reactive astrocytes, which we termed A1, is induced by classically activated neuroinflammatory microglia. We show that activated microglia induce A1 astrocytes by secreting Il-1α, TNF and C1q, and that these cytokines together are necessary and sufficient to induce A1 astrocytes. A1 astrocytes lose the ability to promote neuronal survival, outgrowth, synaptogenesis and phagocytosis, and induce the death of neurons and oligodendrocytes...
January 26, 2017: Nature
https://www.readbyqxmd.com/read/28087712/pdx1-dynamically-regulates-pancreatic-ductal-adenocarcinoma-initiation-and-maintenance
#8
Nilotpal Roy, Kenneth K Takeuchi, Jeanine M Ruggeri, Peter Bailey, David Chang, Joey Li, Laura Leonhardt, Sapna Puri, Megan T Hoffman, Shan Gao, Christopher J Halbrook, Yan Song, Mats Ljungman, Shivani Malik, Christopher V E Wright, David W Dawson, Andrew V Biankin, Matthias Hebrok, Howard C Crawford
Aberrant activation of embryonic signaling pathways is frequent in pancreatic ductal adenocarcinoma (PDA), making developmental regulators therapeutically attractive. Here we demonstrate diverse functions for pancreatic and duodenal homeobox 1 (PDX1), a transcription factor indispensable for pancreas development, in the progression from normal exocrine cells to metastatic PDA. We identify a critical role for PDX1 in maintaining acinar cell identity, thus resisting the formation of pancreatic intraepithelial neoplasia (PanIN)-derived PDA...
December 15, 2016: Genes & Development
https://www.readbyqxmd.com/read/28002826/the-capn2-capn8-locus-on-chromosome-1q-is-associated-with-variation-in-serum-alpha-carotene-concentrations
#9
Christopher R D'Adamo, Valerie J Dawson, Kathleen A Ryan, Laura M Yerges-Armstrong, Richard D Semba, Nanette I Steinle, Braxton D Mitchell, Alan R Shuldiner, Patrick F McArdle
BACKGROUND/AIMS: Alpha-carotene is a provitamin A carotenoid present in fruits and vegetables. Higher serum concentrations of α-carotene have been associated with lower risk of cancer and all-cause mortality. Previous studies have suggested that genetic variants influence serum concentrations of provitamin A carotenoids, but to date no variants have been robustly associated with serum α-carotene concentrations. The aim of this study was to identify genetic associations with serum α-carotene concentrations using the genome-wide association study (GWAS) approach...
December 22, 2016: Journal of Nutrigenetics and Nutrigenomics
https://www.readbyqxmd.com/read/27999683/a-preliminary-investigation-of-a-specialized-music-therapy-model-for-children-with-disabilities-delivered-in-a-classroom-setting
#10
Jenna Mendelson, Yasmine White, Laura Hans, Richard Adebari, Lorrie Schmid, Jan Riggsbee, Ali Goldsmith, Burcu Ozler, Kristen Buehne, Sarah Jones, Jennifer Shapleton, Geraldine Dawson
Music therapy is gaining popularity as an intervention strategy for children with developmental disabilities, including autism spectrum disorder (ASD). This study was a pilot investigation of a classroom-based music-based intervention, Voices Together®, for improving communication skills in children with ASD and children with intellectual disabilities. Four local public elementary school special education classrooms, serving 5 children with a classification of autistic disorder and 32 children with intellectual disability without autism, were randomly selected to receive one of two levels of exposure to Voices Together music therapy: "long-term" (15 weeks beginning in January 2015 (Time 1), n = 14) or "short-term" (7 weeks beginning 7 weeks later in February (Time 2), n = 17)...
2016: Autism Research and Treatment
https://www.readbyqxmd.com/read/27995086/hepatocellular-carcinoma-the-role-of-interventional-oncology
#11
REVIEW
Matteo Donadon, Luigi Solbiati, Laura Dawson, Aisling Barry, Gonzalo Sapisochin, Paul D Greig, Shuichiro Shiina, Andrea Fontana, Guido Torzilli
BACKGROUND: Hepatocellular carcinoma (HCC) remains a major health issue because of its increasing incidence and because of the complexity of its management. In addition to the traditional potentially curative treatments, i.e., liver transplantation and surgical resection, other new and emerging local therapies have been applied with promising results. SUMMARY: Radiotherapy (RT) and interstitial treatments, such as radiofrequency ablation (RFA), microwave ablation (MWA), and irreversible electroporation (IRE), have recently opened new and interesting treatment scenarios for HCC and are associated with promising results in selected patients...
November 2016: Liver Cancer
https://www.readbyqxmd.com/read/27899578/cosmic-somatic-cancer-genetics-at-high-resolution
#12
Simon A Forbes, David Beare, Harry Boutselakis, Sally Bamford, Nidhi Bindal, John Tate, Charlotte G Cole, Sari Ward, Elisabeth Dawson, Laura Ponting, Raymund Stefancsik, Bhavana Harsha, Chai Yin Kok, Mingming Jia, Harry Jubb, Zbyslaw Sondka, Sam Thompson, Tisham De, Peter J Campbell
COSMIC, the Catalogue of Somatic Mutations in Cancer (http://cancer.sanger.ac.uk) is a high-resolution resource for exploring targets and trends in the genetics of human cancer. Currently the broadest database of mutations in cancer, the information in COSMIC is curated by expert scientists, primarily by scrutinizing large numbers of scientific publications. Over 4 million coding mutations are described in v78 (September 2016), combining genome-wide sequencing results from 28 366 tumours with complete manual curation of 23 489 individual publications focused on 186 key genes and 286 key fusion pairs across all cancers...
January 4, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/27853612/new-genetic-and-morphological-evidence-suggests-a-single-hoaxer-created-piltdown-man
#13
Isabelle De Groote, Linus Girdland Flink, Rizwaan Abbas, Silvia M Bello, Lucia Burgia, Laura Tabitha Buck, Christopher Dean, Alison Freyne, Thomas Higham, Chris G Jones, Robert Kruszynski, Adrian Lister, Simon A Parfitt, Matthew M Skinner, Karolyn Shindler, Chris B Stringer
In 1912, palaeontologist Arthur Smith Woodward and amateur antiquarian and solicitor Charles Dawson announced the discovery of a fossil that supposedly provided a link between apes and humans: Eoanthropus dawsoni (Dawson's dawn man). The publication generated huge interest from scientists and the general public. However, 'Piltdown man's' initial celebrity has long been overshadowed by its subsequent infamy as one of the most famous scientific frauds in history. Our re-evaluation of the Piltdown fossils using the latest scientific methods (DNA analyses, high-precision measurements, spectroscopy and virtual anthropology) shows that it is highly likely that a single orang-utan specimen and at least two human specimens were used to create the fake fossils...
August 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27745984/phase-1-2-study-of-the-addition-of-cisplatin-to-adjuvant-chemotherapy-with-image-guided-high-precision-radiation-therapy-for-completely-resected-gastric-cancer
#14
Rebecca B Goody, Helen MacKay, Bethany Pitcher, Amit Oza, Lillian L Siu, John Kim, Rebecca K S Wong, Eric Chen, Carol Swallow, Jennifer Knox, Zahra Kassam, Bernard Cummings, Ron Feld, David Hedley, Geoffrey Liu, Monika K Krzyzanowska, Robert Dinniwell, Anthony M Brade, Laura A Dawson, Melania Pintilie, Jolie Ringash
PURPOSE: Locoregional recurrence is common after surgery for gastric cancer. Adjuvant therapy improves outcomes but with toxicity. This phase 1/2 study investigated infusional 5-fluorouracil (5-FU) in combination with biweekly cisplatin delivered concurrently with image guided high-precision radiation therapy. METHODS AND MATERIALS: Eligible patients had completely resected stage IB to IV (Union for International Cancer Control TNM 6th edition) nonmetastatic gastric adenocarcinoma...
December 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27727279/regulatory-t-cell-responses-in-participants-with-type-1-diabetes-after-a-single-dose-of-interleukin-2-a-non-randomised-open-label-adaptive-dose-finding-trial
#15
John A Todd, Marina Evangelou, Antony J Cutler, Marcin L Pekalski, Neil M Walker, Helen E Stevens, Linsey Porter, Deborah J Smyth, Daniel B Rainbow, Ricardo C Ferreira, Laura Esposito, Kara M D Hunter, Kevin Loudon, Kathryn Irons, Jennie H Yang, Charles J M Bell, Helen Schuilenburg, James Heywood, Ben Challis, Sankalpa Neupane, Pamela Clarke, Gillian Coleman, Sarah Dawson, Donna Goymer, Katerina Anselmiova, Jane Kennet, Judy Brown, Sarah L Caddy, Jia Lu, Jane Greatorex, Ian Goodfellow, Chris Wallace, Tim I Tree, Mark Evans, Adrian P Mander, Simon Bond, Linda S Wicker, Frank Waldron-Lynch
BACKGROUND: Interleukin-2 (IL-2) has an essential role in the expansion and function of CD4+ regulatory T cells (Tregs). Tregs reduce tissue damage by limiting the immune response following infection and regulate autoreactive CD4+ effector T cells (Teffs) to prevent autoimmune diseases, such as type 1 diabetes (T1D). Genetic susceptibility to T1D causes alterations in the IL-2 pathway, a finding that supports Tregs as a cellular therapeutic target. Aldesleukin (Proleukin; recombinant human IL-2), which is administered at high doses to activate the immune system in cancer immunotherapy, is now being repositioned to treat inflammatory and autoimmune disorders at lower doses by targeting Tregs...
October 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27703012/role-of-glycosyltransferases-modifying-type-b-flagellin-of-emerging-hypervirulent-clostridium-difficile-lineages-and-their-impact-on-motility-and-biofilm-formation
#16
Esmeralda Valiente, Laura Bouché, Paul Hitchen, Alexandra Faulds-Pain, Mario Songane, Lisa F Dawson, Elizabeth Donahue, Richard A Stabler, Maria Panico, Howard R Morris, Mona Bajaj-Elliott, Susan M Logan, Anne Dell, Brendan W Wren
Clostridium difficile is the principal cause of nosocomial infectious diarrhea worldwide. The pathogen modifies its flagellin with either a type A or type B O-linked glycosylation system, which has a contributory role in pathogenesis. We study the functional role of glycosyltransferases modifying type B flagellin in the 023 and 027 hypervirulent C. difficile lineages by mutagenesis of five putative glycosyltransferases and biosynthetic genes. We reveal their roles in the biosynthesis of the flagellin glycan chain and demonstrate that flagellar post-translational modification affects motility and adhesion-related bacterial properties of these strains...
December 2, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27666795/heritability-of-startle-reactivity-and-affect-modified-startle
#17
Devika Dhamija, Catherine Tuvblad, Michael E Dawson, Adrian Raine, Laura A Baker
Startle reflex and affect-modified startle reflex are used as indicators of defensive reactivity and emotional processing, respectively. The present study investigated the heritability of both the startle blink reflex and affect modification of this reflex in a community sample of 772 twins ages 14-15years old. Subjects were shown affective picture slides falling in three valence categories: negative, positive and neutral; crossed with two arousal categories: high arousal and low arousal. Some of these slides were accompanied with a loud startling noise...
September 22, 2016: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/27598801/image-guided-radiation-therapy-unlocking-the-future-through-knowledge-translation
#18
EDITORIAL
Caitlin Gillan, Meredith Giuliani, Nicole Harnett, Winnie Li, Laura A Dawson, Mary Gospodarowicz, David Jaffray
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27590060/from-food-to-pest-conversion-factors-determine%C3%A2-switches-between-ecosystem-services-and-disservices
#19
Laura Vang Rasmussen, Andreas E Christensen, Finn Danielsen, Neil Dawson, Adrian Martin, Ole Mertz, Thomas Sikor, Sithong Thongmanivong, Pheang Xaydongvanh
Ecosystem research focuses on goods and services, thereby ascribing beneficial values to the ecosystems. Depending on the context, however, outputs from ecosystems can be both positive and negative. We examined how provisioning services of wild animals and plants can switch between being services and disservices. We studied agricultural communities in Laos to illustrate when and why these switches take place. Government restrictions on land use combined with economic and cultural changes have created perceptions of rodents and plants as problem species in some communities...
March 2017: Ambio
https://www.readbyqxmd.com/read/27578825/whole-blood-mrna-in-prostate-cancer-reveals-a-four-gene-androgen-regulated-panel
#20
Benjamin C Thomas, Jonathan D Kay, Suraj Menon, Sarah L Vowler, Sarah N Dawson, Laura J Bucklow, Hayley J Luxton, Thomas Johnston, Charlie E Massie, Michelle Pugh, Anne Y Warren, Peter Barker, Keith Burling, Andy G Lynch, Anne George, Johanna Burge, Marie Corcoran, Sara Stearn, Alastair D Lamb, Naomi L Sharma, Greg L Shaw, David E Neal, Hayley C Whitaker
Due to increased sensitivity, the expression of circulating nucleotides is rapidly gaining popularity in cancer diagnosis. Whole blood mRNA has been used in studies on a number of cancers, most notably two separate studies that used whole blood mRNA to define non-overlapping signatures of prostate cancer that has become castration independent. Prostate cancer is known to rely on androgens for initial growth, and there is increasing evidence on the importance of the androgen axis in advanced disease. Using whole blood mRNA samples from patients with prostate cancer, we have identified the four-gene panel of FAM129A, MME, KRT7 and SOD2 in circulating mRNA that are differentially expressed in a discovery cohort of metastatic samples...
October 2016: Endocrine-related Cancer
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