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https://www.readbyqxmd.com/read/28429289/the-nature-and-consequences-of-cognitive-deficits-among-tobacco-smokers-with-hiv-a-comparison-to-tobacco-smokers-without-hiv
#1
Joseph D Harrison, Jessica A Dochney, Sonja Blazekovic, Frank Leone, David Metzger, Ian Frank, Robert Gross, Anita Hole, Karam Mounzer, Steven Siegel, Robert A Schnoll, Rebecca L Ashare
HIV-infected smokers lose more years of life to tobacco-related disease than HIV. Since neurocognitive deficits are common among those with HIV and are associated with smoking persistence, these deficits may be a unique barrier to smoking cessation among HIV-infected smokers. Documenting unique differences in and correlates of cognition among HIV-infected smokers is a critical step towards developing a population-specific tobacco cessation treatment. We compared neurocognitive function between HIV-infected (n = 103) and HIV-uninfected smokers (n = 70), accounting for demographic and smoking-related variables...
April 20, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28428017/outcomes-and-toxicity-following-high-dose-radiation-therapy-in-15-fractions-for-non-small-cell-lung-cancer
#2
Penny Fang, Cameron W Swanick, Todd A Pezzi, Zhongxing Liao, James Welsh, Steven H Lin, Daniel R Gomez
PURPOSE: Accelerated hypofractionated radiation therapy (AHRT) is increasingly used for select lung cancer patients. We evaluated clinical outcomes and predictors of pulmonary/esophageal toxicity in patients treated with ≥52.5 Gy in 15 fractions. METHODS AND MATERIALS: We evaluated 229 patients treated with radiation therapy doses ≥52.5 Gy in 15 fractions for non-small cell lung cancer from January 2009 through January 2016. Toxicity was scored using Common Terminology Criteria for Adverse Events, v4...
March 9, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28423530/patterns-of-failure-and-clinical-outcomes-of-definitive-radiotherapy-for-cervical-esophageal-cancer
#3
Lina Zhao, Yongchun Zhou, Yunfeng Mu, Guangjin Chai, Feng Xiao, Lina Tan, Steven H Lin, Mei Shi
PURPOSE: Because of the scarcity of cervical esophageal cancer (CEC), data for this disease entity is limited. We aim to evaluate the outcomes, prognostic factors and failure patterns of CEC treated by contemporary radiotherapy (RT). METHODS: We retrospectively analyzed 86 CEC patients consecutively treated between 2007 and 2015 by definitive RT with or without concurrent chemotherapy. RT was mainly delivered with Intensity Modulated Irradiation Therapy (IMRT) or Volumetric-Modulated Arc Therapy (VMAT)...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28391526/trans-ethnic-fine-mapping-of-genetic-loci-for-body-mass-index-in-the-diverse-ancestral-populations-of-the-population-architecture-using-genomics-and-epidemiology-page-study-reveals-evidence-for-multiple-signals-at-established-loci
#4
Lindsay Fernández-Rhodes, Jian Gong, Jeffrey Haessler, Nora Franceschini, Mariaelisa Graff, Katherine K Nishimura, Yujie Wang, Heather M Highland, Sachiko Yoneyama, William S Bush, Robert Goodloe, Marylyn D Ritchie, Dana Crawford, Myron Gross, Myriam Fornage, Petra Buzkova, Ran Tao, Carmen Isasi, Larissa Avilés-Santa, Martha Daviglus, Rachel H Mackey, Denise Houston, C Charles Gu, Georg Ehret, Khanh-Dung H Nguyen, Cora E Lewis, Mark Leppert, Marguerite R Irvin, Unhee Lim, Christopher A Haiman, Loic Le Marchand, Fredrick Schumacher, Lynne Wilkens, Yingchang Lu, Erwin P Bottinger, Ruth J L Loos, Wayne H-H Sheu, Xiuqing Guo, Wen-Jane Lee, Yang Hai, Yi-Jen Hung, Devin Absher, I-Chien Wu, Kent D Taylor, I-Te Lee, Yeheng Liu, Tzung-Dau Wang, Thomas Quertermous, Jyh-Ming J Juang, Jerome I Rotter, Themistocles Assimes, Chao A Hsiung, Yii-Der Ida Chen, Ross Prentice, Lewis H Kuller, JoAnn E Manson, Charles Kooperberg, Paul Smokowski, Whitney R Robinson, Penny Gordon-Larsen, Rongling Li, Lucia Hindorff, Steven Buyske, Tara C Matise, Ulrike Peters, Kari E North
Most body mass index (BMI) genetic loci have been identified in studies of primarily European ancestries. The effect of these loci in other racial/ethnic groups is less clear. Thus, we aimed to characterize the generalizability of 170 established BMI variants, or their proxies, to diverse US populations and trans-ethnically fine-map 36 BMI loci using a sample of >102,000 adults of African, Hispanic/Latino, Asian, European and American Indian/Alaskan Native descent from the Population Architecture using Genomics and Epidemiology Study...
April 8, 2017: Human Genetics
https://www.readbyqxmd.com/read/28385619/medical-students-assessment-of-eduard-pernkopf-s-atlas-topographical-anatomy-of-man
#5
Demetrius M Coombs, Steven J Peitzman
INTRODUCTION: To date, there has been no study examining the perceptions of first-year medical students regarding Eduard Pernkopf's atlas, particularly during their study of gross anatomy and prior to coursework in medical ethics. We present a discussion of Pernkopf's Atlas: Topographical Anatomy of Man from the perspective of U.S. medical students, and sought to determine whether medical students view Pernkopf's Topographical Anatomy of Man as a resource of greater accuracy, detail, and potential educational utility as compared to Netter's Atlas of Human Anatomy...
April 3, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28336078/what-is-the-negative-predictive-value-of-multiparametric-magnetic-resonance-imaging-in-excluding-prostate-cancer-at-biopsy-a-systematic-review-and-meta-analysis-from-the-european-association-of-urology-prostate-cancer-guidelines-panel
#6
REVIEW
Paul C Moldovan, Thomas Van den Broeck, Richard Sylvester, Lorenzo Marconi, Joaquim Bellmunt, Roderick C N van den Bergh, Michel Bolla, Erik Briers, Marcus G Cumberbatch, Nicola Fossati, Tobias Gross, Ann M Henry, Steven Joniau, Theo H van der Kwast, Vsevolod B Matveev, Henk G van der Poel, Maria De Santis, Ivo G Schoots, Thomas Wiegel, Cathy Yuhong Yuan, Philip Cornford, Nicolas Mottet, Thomas B Lam, Olivier Rouvière
CONTEXT: It remains unclear whether patients with a suspicion of prostate cancer (PCa) and negative multiparametric magnetic resonance imaging (mpMRI) can safely obviate prostate biopsy. OBJECTIVE: To systematically review the literature assessing the negative predictive value (NPV) of mpMRI in patients with a suspicion of PCa. EVIDENCE ACQUISITION: The Embase, Medline, and Cochrane databases were searched up to February 2016. Studies reporting prebiopsy mpMRI results using transrectal or transperineal biopsy as a reference standard were included...
March 20, 2017: European Urology
https://www.readbyqxmd.com/read/28314701/genitourinary-involvement-and-management-in-children-with-stevens-johnson-syndrome-and-toxic-epidermal-necrolysis
#7
J P Van Batavia, D I Chu, C J Long, M Jen, D A Canning, D A Weiss
BACKGROUND: Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are devastating hypersensitivity disorders that cause epidermal cell death and can affect all epidermal surfaces, including the urethra, vagina, labial and scrotal skin. Despite the well-described ocular and orofacial manifestations of SJS/TEN, there is a paucity of reports on the genitourinary (GU) symptoms and their management. Specifically, consulting services often ask the pediatric urology team if it is safe to place a urethral catheter, but there is no data in the literature to help guide management...
February 27, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28314141/assay-validation-of-the-cardiac-isoform-of-troponin-i-in-double-crested-cormorant-phalacrocorax-auritus-plasma-for-diagnosis-of-cardiac-damage
#8
Melissa Daigneault, Kendal E Harr, Karen M Dean, Steven J Bursian
Cardiac abnormalities, initially found in Deepwater Horizon weathered MC252 crude oil exposed Double Crested Cormorants (DCCOs) upon gross necropsy, were further investigated using echocardiography. Clinical and statistically significant changes including decreased ventricular myocardial contractility and arrhythmia were elucidated by echocardiography and interpreted by boarded cardiologists as potentially life threatening. The objective of this investigation was to initiate development of an antemortem, sensitive blood screening test for cardiac damage due to oil exposure of avian species...
March 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28275358/cognitive-penetration-and-attention
#9
Steven Gross
Zenon Pylyshyn argues that cognitively driven attentional effects do not amount to cognitive penetration of early vision because such effects occur either before or after early vision. Critics object that in fact such effects occur at all levels of perceptual processing. We argue that Pylyshyn's claim is correct-but not for the reason he emphasizes. Even if his critics are correct that attentional effects are not external to early vision, these effects do not satisfy Pylyshyn's requirements that the effects be direct and exhibit semantic coherence...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28193005/mapping-the-energetic-epitope-of-an-antibody-interleukin-23-interaction-with-hydrogen-deuterium-exchange-fast-photochemical-oxidation-of-proteins-mass-spectrometry-and-alanine-shave-mutagenesis
#10
Jing Li, Hui Wei, Stanley R Krystek, Derek Bond, Ty M Brender, Daniel Cohen, Jena Feiner, Nels Hamacher, Johanna Harshman, Richard Y-C Huang, Susan H Julien, Zheng Lin, Kristina Moore, Luciano Mueller, Claire Noriega, Preeti Sejwal, Paul Sheppard, Brenda Stevens, Guodong Chen, Adrienne A Tymiak, Michael L Gross, Lumelle A Schneeweis
Epitope mapping the specific residues of an antibody/antigen interaction can be used to support mechanistic interpretation, antibody optimization, and epitope novelty assessment. Thus, there is a strong need for mapping methods, particularly integrative ones. Here, we report the identification of an energetic epitope by determining the interfacial hot-spot that dominates the binding affinity for an anti-interleukin-23 (anti-IL-23) antibody by using the complementary approaches of hydrogen/deuterium exchange mass spectrometry (HDX-MS), fast photochemical oxidation of proteins (FPOP), alanine shave mutagenesis, and binding analytics...
February 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28186449/efficacy-and-outcomes-of-facial-nerve-sparing-treatment-approach-to-cerebellopontine-angle-meningiomas
#11
Randy S D'Amico, Matei A Banu, Petros Petridis, Alexandra S Bercow, Hani Malone, Moshe Praver, Tony J C Wang, Steven R Isaacson, Michael B Sisti
OBJECTIVE Advanced microsurgical techniques contribute to reduced morbidity and improved surgical management of meningiomas arising within the cerebellopontine angle (CPA). However, the goal of surgery has evolved to preserve the quality of the patient's life, even if it means leaving residual tumor. Concurrently, Gamma Knife radiosurgery (GKRS) has become an acceptable and effective treatment modality for newly diagnosed, recurrent, or progressive meningiomas of the CPA. The authors review their institutional experience with CPA meningiomas treated with GKRS, surgery, or a combination of surgery and GKRS...
February 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28169234/salvage-stereotactic-radiosurgery-for-recurrent-glioblastoma-multiforme-with-prior-radiation-therapy
#12
Douglas E Holt, Mark E Bernard, Kimmen Quan, David A Clump, Johnathan A Engh, Steven A Burton, Dwight E Heron
BACKGROUND: Glioblastoma multiforme (GBM) carries a poor prognosis with high recurrence rates. Salvage stereotactic radiosurgery (SRS) may be an effective treatment option. METHODS: We retrospectively reviewed 34 patients (41 lesions) treated with salvage SRS for recurrent GBM between 2004 and 2012. Initial surgical treatments were gross total resection (58%), subtotal resection (STR) (24%), and biopsy (18%). All patients were treated with prior radiation therapy...
October 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28127947/recommended-approaches-to-the-scientific-evaluation-of-ecotoxicological-hazards-and-risks-of-endocrine-active-substances
#13
Peter Matthiessen, Gerald T Ankley, Ronald C Biever, Poul Bjerregaard, Christopher Borgert, Kristin Brugger, Amy Blankinship, Janice Chambers, Katherine K Coady, Lisa Constantine, Zhichao Dang, Nancy D Denslow, David A Dreier, Steve Dungey, L Earl Gray, Melanie Gross, Patrick D Guiney, Markus Hecker, Henrik Holbech, Taisen Iguchi, Sarah Kadlec, Natalie K Karouna-Renier, Ioanna Katsiadaki, Yukio Kawashima, Werner Kloas, Henry Krueger, Anu Kumar, Laurent Lagadic, Annegaaike Leopold, Steven L Levine, Gerd Maack, Sue Marty, James Meador, Ellen Mihaich, Jenny Odum, Lisa Ortego, Joanne Parrott, Daniel Pickford, Mike Roberts, Christoph Schaefers, Tamar Schwarz, Keith Solomon, Tim Verslycke, Lennart Weltje, James R Wheeler, Mike Williams, Jeffrey C Wolf, Kunihiko Yamazaki
A SETAC Pellston Workshop(®) "Environmental Hazard and Risk Assessment Approaches for Endocrine-Active Substances (EHRA)" was held in February 2016 in Pensacola, Florida, USA. The primary objective of the workshop was to provide advice, based on current scientific understanding, to regulators and policy makers; the aim being to make considered, informed decisions on whether to select an ecotoxicological hazard- or a risk-based approach for regulating a given endocrine-disrupting substance (EDS) under review...
March 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28117173/polyanhydride-nanovaccine-against-swine-influenza-virus-in-pigs
#14
Santosh Dhakal, Jonathan Goodman, Kathryn Bondra, Yashavanth S Lakshmanappa, Jagadish Hiremath, Duan-Liang Shyu, Kang Ouyang, Kyung-Il Kang, Steven Krakowka, Michael J Wannemuehler, Chang Won Lee, Balaji Narasimhan, Gourapura J Renukaradhya
We have recently demonstrated the effectiveness of an influenza A virus (IAV) subunit vaccine based on biodegradable polyanhydride nanoparticles delivery in mice. In the present study, we evaluated the efficacy of ∼200nm polyanhydride nanoparticles encapsulating inactivated swine influenza A virus (SwIAV) as a vaccine to induce protective immunity against a heterologous IAV challenge in pigs. Nursery pigs were vaccinated intranasally twice with inactivated SwIAV H1N2 (KAg) or polyanhydride nanoparticle-encapsulated KAg (KAg nanovaccine), and efficacy was evaluated against a heterologous zoonotic virulent SwIAV H1N1 challenge...
January 20, 2017: Vaccine
https://www.readbyqxmd.com/read/28099841/targeted-inhibition-of-egfr-and-glutaminase-induces-metabolic-crisis-in-egfr-mutant-lung-cancer
#15
Milica Momcilovic, Sean T Bailey, Jason T Lee, Michael C Fishbein, Clara Magyar, Daniel Braas, Thomas Graeber, Nicholas J Jackson, Johannes Czernin, Ethan Emberley, Matthew Gross, Julie Janes, Andy Mackinnon, Alison Pan, Mirna Rodriguez, Melissa Works, Winter Zhang, Francesco Parlati, Susan Demo, Edward Garon, Kostyantyn Krysan, Tonya C Walser, Steven M Dubinett, Saman Sadeghi, Heather R Christofk, David B Shackelford
Cancer cells exhibit increased use of nutrients, including glucose and glutamine, to support the bioenergetic and biosynthetic demands of proliferation. We tested the small-molecule inhibitor of glutaminase CB-839 in combination with erlotinib on epidermal growth factor receptor (EGFR) mutant non-small cell lung cancer (NSCLC) as a therapeutic strategy to simultaneously impair cancer glucose and glutamine utilization and thereby suppress tumor growth. Here, we show that CB-839 cooperates with erlotinib to drive energetic stress and activate the AMP-activated protein kinase (AMPK) pathway in EGFR (del19) lung tumors...
January 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28058227/magnetic-resonance-imaging-of-the-transplanted-pediatric-heart-as-a-potential-predictor-of-rejection
#16
Steven C Greenway, Frederic Dallaire, Paul F Kantor, Anne I Dipchand, Rajiv R Chaturvedi, Monali Warade, Eugenie Riesenkampff, Shi-Joon Yoo, Lars Grosse-Wortmann
AIM: To evaluate cardiac magnetic resonance imaging (CMR) as a non-invasive tool to detect acute cellular rejection (ACR) in children after heart transplant (HT). METHODS: Thirty pediatric HT recipients underwent CMR at the time of surveillance endomyocardial biopsy (EMB) and results were compared to 14 non-transplant controls. Biventricular volumes, ejection fractions (EFs), T2-weighted signal intensities, native T1 times, extracellular volumes (ECVs) and presence of late gadolinium enhancement (LGE) were compared between patients and controls and between patients with International Society of Heart and Lung Transplantation (ISHLT) grade ≥ 2R rejection and those with grade 0/1R...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28040796/role-of-rpl39-in-metaplastic-breast-cancer
#17
Bhuvanesh Dave, Daniel D Gonzalez, Zhi-Bin Liu, Xiaoxian Li, Helen Wong, Sergio Granados, Nadeer E Ezzedine, Douglas H Sieglaff, Joe E Ensor, Kathy D Miller, Milan Radovich, Agda KarinaEtrovic, Steven S Gross, Olivier Elemento, Gordon B Mills, Michael Z Gilcrease, Jenny C Chang
BACKGROUND: Metaplastic breast cancer is one of the most therapeutically challenging forms of breast cancer because of its highly heterogeneous and chemoresistant nature. We have previously demonstrated that ribosomal protein L39 (RPL39) and its gain-of-function mutation A14V have oncogenic activity in triple-negative breast cancer and this activity may be mediated through inducible nitric oxide synthase (iNOS). The function of RPL39 and A14V in other breast cancer subtypes is currently unknown...
June 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28030710/association-of-radiologic-indicators-of-frailty-with-1-year-mortality-in-older-trauma-patients-opportunistic-screening-for-sarcopenia-and-osteopenia
#18
Stephen J Kaplan, Tam N Pham, Saman Arbabi, Joel A Gross, Mamatha Damodarasamy, Itay Bentov, Lisa A Taitsman, Steven H Mitchell, May J Reed
Importance: Assessment of physical frailty in older trauma patients admitted to the intensive care unit is often not feasible using traditional frailty assessment instruments. The use of opportunistic computed tomography (CT) scans to assess sarcopenia and osteopenia as indicators of underlying frailty may provide complementary prognostic information on long-term outcomes. Objective: To determine whether sarcopenia and/or osteopenia are associated with 1-year mortality in an older trauma patient population...
February 15, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28002401/reversible-methylation-of-m-6-am-in-the-5-cap-controls-mrna-stability
#19
Jan Mauer, Xiaobing Luo, Alexandre Blanjoie, Xinfu Jiao, Anya V Grozhik, Deepak P Patil, Bastian Linder, Brian F Pickering, Jean-Jacques Vasseur, Qiuying Chen, Steven S Gross, Olivier Elemento, Françoise Debart, Megerditch Kiledjian, Samie R Jaffrey
Internal bases in mRNA can be subjected to modifications that influence the fate of mRNA in cells. One of the most prevalent modified bases is found at the 5' end of mRNA, at the first encoded nucleotide adjacent to the 7-methylguanosine cap. Here we show that this nucleotide, N(6),2'-O-dimethyladenosine (m(6)Am), is a reversible modification that influences cellular mRNA fate. Using a transcriptome-wide map of m(6)Am we find that m(6)Am-initiated transcripts are markedly more stable than mRNAs that begin with other nucleotides...
January 19, 2017: Nature
https://www.readbyqxmd.com/read/27959688/real-world-evidence-what-is-it-and-what-can-it-tell-us
#20
Rachel E Sherman, Steven A Anderson, Gerald J Dal Pan, Gerry W Gray, Thomas Gross, Nina L Hunter, Lisa LaVange, Danica Marinac-Dabic, Peter W Marks, Melissa A Robb, Jeffrey Shuren, Robert Temple, Janet Woodcock, Lilly Q Yue, Robert M Califf
The term "real-world evidence" is widely used by those who develop medical products or who study, deliver, or pay for health care, but its specific meaning is elusive. We believe it refers to information on health care that is derived from multiple sources outside typical clinical research..
December 8, 2016: New England Journal of Medicine
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