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https://www.readbyqxmd.com/read/28919249/dosimetric-predictors-for-acute-esophagitis-during-radiation-therapy-for-lung-cancer-results-of-a-large-statewide-observational-study
#1
Peter Paximadis, Matthew Schipper, Martha Matuszak, Mary Feng, Shruti Jolly, Thomas Boike, Inga Grills, Larry Kestin, Benjamin Movsas, Kent Griffith, Gregory Gustafson, Jean Moran, Teamour Nurushev, Jeffrey Radawski, Lori Pierce, James Hayman
PURPOSE: The purpose of this study is to identify dosimetric variables that best predict for acute esophagitis in patients treated for locally advanced non-small cell lung cancer in a prospectively accrued statewide consortium. METHODS AND MATERIALS: Patients receiving definitive radiation therapy for stage II-III non-small cell lung cancer within the Michigan Radiation Oncology Quality Consortium were included in the analysis. Dose-volume histogram data were analyzed to determine absolute volumes (cc) receiving doses from 10 to 60 Gy (V10, V20, V30, V40, V50, and V60), as well as maximum dose to 2 cc (D2cc), mean dose (MD), and generalized equivalent uniform dose (gEUD)...
July 19, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28910384/correction-rare-hiv-1-transmitted-founder-lineages-identified-by-deep-viral-sequencing-contribute-to-rapid-shifts-in-dominant-quasispecies-during-acute-and-early-infection
#2
Gustavo H Kijak, Eric Sanders-Buell, Agnes-Laurence Chenine, Michael A Eller, Nilu Goonetilleke, Rasmi Thomas, Sivan Leviyang, Elizabeth A Harbolick, Meera Bose, Phuc Pham, Celina Oropeza, Kultida Poltavee, Anne Marie O'Sullivan, Erik Billings, Melanie Merbah, Margaret C Costanzo, Joanna A Warren, Bonnie Slike, Hui Li, Kristina K Peachman, Will Fischer, Feng Gao, Claudia Cicala, James Arthos, Leigh A Eller, Robert J O'Connell, Samuel Sinei, Lucas Maganga, Hannah Kibuuka, Sorachai Nitayaphan, Mangala Rao, Mary A Marovich, Shelly J Krebs, Morgane Rolland, Bette T Korber, George M Shaw, Nelson L Michael, Merlin L Robb, Sodsai Tovanabutra, Jerome H Kim
[This corrects the article DOI: 10.1371/journal.ppat.1006510.].
September 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28898695/identification-of-gpc2-as-an-oncoprotein-and-candidate-immunotherapeutic-target-in-high-risk-neuroblastoma
#3
Kristopher R Bosse, Pichai Raman, Zhongyu Zhu, Maria Lane, Daniel Martinez, Sabine Heitzeneder, Komal S Rathi, Nathan M Kendsersky, Michael Randall, Laura Donovan, Sorana Morrissy, Robyn T Sussman, Doncho V Zhelev, Yang Feng, Yanping Wang, Jennifer Hwang, Gonzalo Lopez, Jo Lynne Harenza, Jun S Wei, Bruce Pawel, Tricia Bhatti, Mariarita Santi, Arupa Ganguly, Javed Khan, Marco A Marra, Michael D Taylor, Dimiter S Dimitrov, Crystal L Mackall, John M Maris
We developed an RNA-sequencing-based pipeline to discover differentially expressed cell-surface molecules in neuroblastoma that meet criteria for optimal immunotherapeutic target safety and efficacy. Here, we show that GPC2 is a strong candidate immunotherapeutic target in this childhood cancer. We demonstrate high GPC2 expression in neuroblastoma due to MYCN transcriptional activation and/or somatic gain of the GPC2 locus. We confirm GPC2 to be highly expressed on most neuroblastomas, but not detectable at appreciable levels in normal childhood tissues...
September 11, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28867147/lmo1-synergizes-with-mycn-to-promote-neuroblastoma-initiation-and-metastasis
#4
Shizhen Zhu, Xiaoling Zhang, Nina Weichert-Leahey, Zhiwei Dong, Cheng Zhang, Gonzalo Lopez, Ting Tao, Shuning He, Andrew C Wood, Derek Oldridge, Choong Yong Ung, Janine H van Ree, Amish Khan, Brittany M Salazar, Edroaldo Lummertz da Rocha, Mark W Zimmerman, Feng Guo, Hong Cao, Xiaonan Hou, S John Weroha, Antonio R Perez-Atayde, Donna S Neuberg, Alexander Meves, Mark A McNiven, Jan M van Deursen, Hu Li, John M Maris, A Thomas Look
A genome-wide association study identified LMO1, which encodes an LIM-domain-only transcriptional cofactor, as a neuroblastoma susceptibility gene that functions as an oncogene in high-risk neuroblastoma. Here we show that dβh promoter-mediated expression of LMO1 in zebrafish synergizes with MYCN to increase the proliferation of hyperplastic sympathoadrenal precursor cells, leading to a reduced latency and increased penetrance of neuroblastomagenesis. The transgenic expression of LMO1 also promoted hematogenous dissemination and distant metastasis, which was linked to neuroblastoma cell invasion and migration, and elevated expression levels of genes affecting tumor cell-extracellular matrix interaction, including loxl3, itga2b, itga3, and itga5...
September 11, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28864401/implementing-radiation-dose-volume-liver-response-in-biomechanical-deformable-image-registration
#5
Daniel F Polan, Mary Feng, Theodore S Lawrence, Randall K Ten Haken, Kristy K Brock
PURPOSE: Understanding anatomic and functional changes in the liver resulting from radiation therapy is fundamental to the improvement of normal tissue complication probability models needed to advance personalized medicine. The ability to link pretreatment and posttreatment imaging is often compromised by significant dose-dependent volumetric changes within the liver that are currently not accounted for in deformable image registration (DIR) techniques. This study investigated using delivered dose, in combination with other patient factors, to biomechanically model longitudinal changes in liver anatomy for follow-up care and re-treatment planning...
June 27, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28843139/sources-distribution-bioavailability-toxicity-and-risk-assessment-of-heavy-metal-loid-s-in-complementary-medicines
#6
REVIEW
Shiv Bolan, Anitha Kunhikrishnan, Balaji Seshadri, Girish Choppala, Ravi Naidu, Nanthi S Bolan, Yong Sik Ok, Ming Zhang, Chun-Guang Li, Feng Li, Barry Noller, Mary Beth Kirkham
The last few decades have seen the rise of alternative medical approaches including the use of herbal supplements, natural products, and traditional medicines, which are collectively known as 'Complementary medicines'. However, there are increasing concerns on the safety and health benefits of these medicines. One of the main hazards with the use of complementary medicines is the presence of heavy metal(loid)s such as arsenic (As), cadmium (Cd), lead (Pb), and mercury (Hg). This review deals with the characteristics of complementary medicines in terms of heavy metal(loid)s sources, distribution, bioavailability, toxicity, and human risk assessment...
August 23, 2017: Environment International
https://www.readbyqxmd.com/read/28796864/individualized-adaptive-stereotactic-body-radiotherapy-for-liver-tumors-in-patients-at-high-risk-for-liver-damage-a-phase-2-clinical-trial
#7
Mary Feng, Krithika Suresh, Matthew J Schipper, Latifa Bazzi, Edgar Ben-Josef, Martha M Matuszak, Neehar D Parikh, Theodore H Welling, Daniel Normolle, Randall K Ten Haken, Theodore S Lawrence
Importance: Patients with preexisting liver dysfunction could benefit the most from personalized therapy for liver tumors to balance maximal tumor control and minimal risk of liver failure. We designed an individualized adaptive trial testing the hypothesis that adapting treatment based on change in liver function could optimize the therapeutic index for each patient. Objective: To characterize the safety and efficacy of individualized adaptive stereotactic body radiotherapy (SRBT) for liver tumors in patients who have preexisting liver dysfunction...
August 10, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28759651/rare-hiv-1-transmitted-founder-lineages-identified-by-deep-viral-sequencing-contribute-to-rapid-shifts-in-dominant-quasispecies-during-acute-and-early-infection
#8
Gustavo H Kijak, Eric Sanders-Buell, Agnes-Laurence Chenine, Michael A Eller, Nilu Goonetilleke, Rasmi Thomas, Sivan Leviyang, Elizabeth A Harbolick, Meera Bose, Phuc Pham, Celina Oropeza, Kultida Poltavee, Anne Marie O'Sullivan, Erik Billings, Melanie Merbah, Margaret C Costanzo, Joanna A Warren, Bonnie Slike, Hui Li, Kristina K Peachman, Will Fischer, Feng Gao, Claudia Cicala, James Arthos, Leigh A Eller, Robert J O'Connell, Samuel Sinei, Lucas Maganga, Hannah Kibuuka, Sorachai Nitayaphan, Mangala Rao, Mary A Marovich, Shelly J Krebs, Morgane Rolland, Bette T Korber, George M Shaw, Nelson L Michael, Merlin L Robb, Sodsai Tovanabutra, Jerome H Kim
In order to inform the rational design of HIV-1 preventive and cure interventions it is critical to understand the events occurring during acute HIV-1 infection (AHI). Using viral deep sequencing on six participants from the early capture acute infection RV217 cohort, we have studied HIV-1 evolution in plasma collected twice weekly during the first weeks following the advent of viremia. The analysis of infections established by multiple transmitted/founder (T/F) viruses revealed novel viral profiles that included: a) the low-level persistence of minor T/F variants, b) the rapid replacement of the major T/F by a minor T/F, and c) an initial expansion of the minor T/F followed by a quick collapse of the same minor T/F to low frequency...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28753811/risk-of-upgrading-and-upstaging-among-10-000-patients-with-gleason-3-4-favorable-intermediate-risk-prostate-cancer
#9
David D Yang, Brandon A Mahal, Vinayak Muralidhar, Michelle D Nezolosky, Marie E Vastola, Shelby A Labe, Ninjin Boldbaatar, Martin T King, Neil E Martin, Peter F Orio, Clair J Beard, Karen E Hoffman, Quoc-Dien Trinh, Daniel E Spratt, Felix Y Feng, Paul L Nguyen
BACKGROUND: It is unknown whether active surveillance can be safely offered to patients with Gleason 3+4 favorable intermediate-risk (FIR) prostate cancer. OBJECTIVE: To examine the incidence and predictors of upgrading and upstaging among patients with Gleason 3+4 FIR disease. DESIGN, SETTING, AND PARTICIPANTS: The study involved 10 089 patients in the National Cancer Database diagnosed from 2010 to 2012 with Gleason 3+4 disease, prostate-specific antigen (PSA) <10ng/ml, and cT1c-2a prostate cancer with <50% positive biopsy cores (PBCs) who underwent radical prostatectomy...
June 17, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28741793/telomerase-enzyme-deficiency-promotes-metabolic-dysfunction-in-murine-hepatocytes-upon-dietary-stress
#10
Raquel M Alves-Paiva, Sachiko Kajigaya, Xingmin Feng, Jichun Chen, Marie Desierto, Susan Wong, Danielle M Townsley, Flávia S Donaires, Adeline Bertola, Bin Gao, Neal S Young, Rodrigo T Calado
BACKGROUND & AIMS: Short telomeres and genetic telomerase defects are risk factors for some human liver diseases, ranging from non-alcoholic fatty liver disease and non-alcoholic steatohepatitis to cirrhosis. In murine models, telomere dysfunction has been shown to metabolically compromise hematopoietic cells, liver and heart via the activation of the p53-PGC axis. METHODS: Tert- and Terc-deficient mice were challenged with liquid high-fat diet. Liver metabolic contents were analysed by CE-TOFMS and liver fat content was confirmed by confocal and electronic microscopy...
July 25, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28740896/the-big-data-effort-in-radiation-oncology-data-mining-or-data-farming
#11
REVIEW
Charles S Mayo, Marc L Kessler, Avraham Eisbruch, Grant Weyburne, Mary Feng, James A Hayman, Shruti Jolly, Issam El Naqa, Jean M Moran, Martha M Matuszak, Carlos J Anderson, Lynn P Holevinski, Daniel L McShan, Sue M Merkel, Sherry L Machnak, Theodore S Lawrence, Randall K Ten Haken
Although large volumes of information are entered into our electronic health care records, radiation oncology information systems and treatment planning systems on a daily basis, the goal of extracting and using this big data has been slow to emerge. Development of strategies to meet this goal is aided by examining issues with a data farming instead of a data mining conceptualization. Using this model, a vision of key data elements, clinical process changes, technology issues and solutions, and role for professional societies is presented...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28729300/rapamycin-is-highly-effective-in-murine-models-of-immune-mediated-bone-marrow-failure
#12
Xingmin Feng, Zenghua Lin, Wanling Sun, Maile K Hollinger, Marie J Desierto, Keyvan Keyvanfar, Daniela Malide, Pawel Muranski, Jichun Chen, Neal S Young
Acquired aplastic anemia, the prototypical bone marrow failure disease, is characterized by pancytopenia and marrow hypoplasia. Most aplastic anemia patients respond to immunosuppressive therapy, usually as anti-thymocyte globulin and cyclosporine, but some relapse on cyclosporine withdrawal or require long-term administration of cyclosporine to maintain blood counts. In the current study, we tested efficacy of rapamycin as a new or alternative treatment in mouse models of immune-mediated bone marrow failure...
July 20, 2017: Haematologica
https://www.readbyqxmd.com/read/28707002/epigenetic-regulation-of-cellular-and-cytomegalovirus-genes-during-myeloid-cell-development
#13
Xue-Feng Liu, Mary Hummel, Michael Abecassis
Myeloid cells are important cell types that carry human cytomegalovirus. Latent viral DNA is present in CD34+ progenitor cells and their derived monocytes. However, differentiation of latently infected monocytes to mature macrophages or dendritic cells causes reactivation of latent viruses. During hematopoietic development, pluripotent genes are repressed, and lineage specific genes are activated in a step-wise manner. This process is governed by cell-type specific chromatin states. Enhancers in the hematopoietic system are highly dynamic and established by pioneer (first tier) transcription factors (TFs), which set the stage for second and third tier TF binding...
March 2017: Internal Medicine Review (Washington, D.C.: Online)
https://www.readbyqxmd.com/read/28705990/systemic-pan-ampk-activator-mk-8722-improves-glucose-homeostasis-but-induces-cardiac-hypertrophy
#14
Robert W Myers, Hong-Ping Guan, Juliann Ehrhart, Aleksandr Petrov, Srinivasa Prahalada, Effie Tozzo, Xiaodong Yang, Marc M Kurtz, Maria Trujillo, Dinko Gonzalez Trotter, Danqing Feng, Shiyao Xu, George Eiermann, Marie A Holahan, Daniel Rubins, Stacey Conarello, Xiaoda Niu, Sandra C Souza, Corin Miller, Jinqi Liu, Ku Lu, Wen Feng, Ying Li, Ronald E Painter, James A Milligan, Huaibing He, Franklin Liu, Aimie Ogawa, Douglas Wisniewski, Rory J Rohm, Liyang Wang, Michelle Bunzel, Ying Qian, Wei Zhu, Hongwu Wang, Bindu Bennet, Lisa LaFranco Scheuch, Guillermo E Fernandez, Cai Li, Michael Klimas, Gaochao Zhou, Margaret van Heek, Tesfaye Biftu, Ann Weber, David E Kelley, Nancy Thornberry, Mark D Erion, Daniel M Kemp, Iyassu K Sebhat
5'-Adenosine monophosphate-activated protein kinase (AMPK) is a master regulator of energy homeostasis in eukaryotes. Despite three decades of investigation, the biological roles of AMPK and its potential as a drug target remain incompletely understood, largely because of a lack of optimized pharmacological tools. We developed MK-8722, a potent, direct, allosteric activator of all 12 mammalian AMPK complexes. In rodents and rhesus monkeys, MK-8722-mediated AMPK activation in skeletal muscle induced robust, durable, insulin-independent glucose uptake and glycogen synthesis, with resultant improvements in glycemia and no evidence of hypoglycemia...
August 4, 2017: Science
https://www.readbyqxmd.com/read/28698670/urinary-extracellular-domain-of-neurotrophin-receptor-p75-as-a-biomarker-for-amyotrophic-lateral-sclerosis-in-a-chinese-cohort
#15
Rui Jia, Stephanie Shepheard, Jiaoting Jin, Fangfang Hu, Xing Zhao, Li Xue, Li Xiang, Huaguang Qi, Qiumin Qu, Feng Guo, Mary-Louise Rogers, Jingxia Dang
To comprehensively assess whether p75(ECD) in urine could be a candidate biomarker for ALS evaluation. Urine samples were collected from 101 ALS patients, 108 patients with other neurological disease (OND) and 97 healthy controls. 61 ALS patients were followed up with clinical data including ALSFRS-r every 6 to 12 months, 23 ALS patients died and 17 ALS patients lost touch during follow up period. Enzyme-linked immunoassay was employed to determine urine p75(ECD) concentration. The ALSFRS-r was employed to assess the severity of ALS...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28696275/a-lectin-receptor-like-kinase-mediates-pattern-triggered-salicylic-acid-signaling
#16
Xuming Luo, Ning Xu, Junkai Huang, Feng Gao, Huasong Zou, Marie Boudsocq, Gitta Coaker, Jun Liu
Plant surface-localized pathogen recognition receptors (PRRs) perceive conserved microbial features, termed pathogen-associated molecular patterns (PAMPs), resulting in disease resistance. PAMP perception leads to calcium influx, MAPK activation, a burst of reactive oxygen species (ROS) mediated by RbohD, accumulation of the defense hormone salicylic acid (SA), and callose deposition. Lectin receptor-like kinases (LecRKs) belong to a specific PRR family and are important players in plant innate immunity. Here, we report that LecRK-IX...
August 2017: Plant Physiology
https://www.readbyqxmd.com/read/28672128/exploring-pathways-linking-greenspace-to-health-theoretical-and-methodological-guidance
#17
REVIEW
Iana Markevych, Julia Schoierer, Terry Hartig, Alexandra Chudnovsky, Perry Hystad, Angel M Dzhambov, Sjerp de Vries, Margarita Triguero-Mas, Michael Brauer, Mark J Nieuwenhuijsen, Gerd Lupp, Elizabeth A Richardson, Thomas Astell-Burt, Donka Dimitrova, Xiaoqi Feng, Maya Sadeh, Marie Standl, Joachim Heinrich, Elaine Fuertes
BACKGROUND: In a rapidly urbanizing world, many people have little contact with natural environments, which may affect health and well-being. Existing reviews generally conclude that residential greenspace is beneficial to health. However, the processes generating these benefits and how they can be best promoted remain unclear. OBJECTIVES: During an Expert Workshop held in September 2016, the evidence linking greenspace and health was reviewed from a transdisciplinary standpoint, with a particular focus on potential underlying biopsychosocial pathways and how these can be explored and organized to support policy-relevant population health research...
October 2017: Environmental Research
https://www.readbyqxmd.com/read/28659469/atm-loss-leads-to-synthetic-lethality-in-brca1-brct-mutant-mice-associated-with-exacerbated-defects-in-homology-directed-repair
#18
Chun-Chin Chen, Elizabeth M Kass, Wei-Feng Yen, Thomas Ludwig, Mary Ellen Moynahan, Jayanta Chaudhuri, Maria Jasin
BRCA1 is essential for homology-directed repair (HDR) of DNA double-strand breaks in part through antagonism of the nonhomologous end-joining factor 53BP1. The ATM kinase is involved in various aspects of DNA damage signaling and repair, but how ATM participates in HDR and genetically interacts with BRCA1 in this process is unclear. To investigate this question, we used the Brca1(S1598F) mouse model carrying a mutation in the BRCA1 C-terminal domain of BRCA1. Whereas ATM loss leads to a mild HDR defect in adult somatic cells, we find that ATM inhibition leads to severely reduced HDR in Brca1(S1598F) cells...
July 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28655159/two-distinct-metacommunities-characterize-the-gut-microbiota-in-crohn-s-disease-patients
#19
Qing He, Yuan Gao, Zhuye Jie, Xinlei Yu, Janne Marie Laursen, Liang Xiao, Ying Li, Lingling Li, Faming Zhang, Qiang Feng, Xiaoping Li, Jinghong Yu, Chuan Liu, Ping Lan, Ting Yan, Xin Liu, Xun Xu, Huanming Yang, Jian Wang, Lise Madsen, Susanne Brix, Jianping Wang, Karsten Kristiansen, Huijue Jia
Background: The inflammatory intestinal disorder Crohn's disease (CD) has become a health challenge worldwide. The gut microbiota closely interacts with the host immune system, but its functional impact in CD is unclear. Except for studies on a small number of CD patients, analyses of the gut microbiota in CD have used 16S rDNA amplicon sequencing. Here we employed metagenomic shotgun sequencing to provide a detailed characterization of the compositional and functional features of the CD microbiota, comprising also unannotated bacteria, and investigated its modulation by exclusive enteral nutrition (EEN)...
June 26, 2017: GigaScience
https://www.readbyqxmd.com/read/28652555/novel-orthodontic-cement-containing-dimethylaminohexadecyl-methacrylate-with-strong-antibacterial-capability
#20
Xiaodong Feng, Ning Zhang, Hockin H K Xu, Michael D Weir, Mary Anne S Melo, Yuxing Bai, Ke Zhang
Orthodontic treatments increase the incidence of white spot lesions. The objectives of this study were to develop an antibacterial orthodontic cement to inhibit demineralization, and to evaluate its enamel shear bond strength and anti-biofilm properties. Novel antibacterial monomer dimethylaminohexadecyl methacrylate (DMAHDM) was synthesized and incorporated into Transbond XT at 0, 1.5 and 3% by mass. Anti-biofilm activity was assessed using a human dental plaque microcosm biofilm model. Shear bond strength and adhesive remnant index were also tested...
June 23, 2017: Dental Materials Journal
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