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https://www.readbyqxmd.com/read/28441176/long-term-nitrite-inhalant-exposure-and-cancer-risk-in-msm
#1
Anupriya Dutta, Hajime Uno, Alex Holman, David R Lorenz, Steven M Wolinsky, Dana Gabuzda
OBJECTIVES: Nitrite inhalants (poppers) are commonly used recreational drugs among MSM and were previously associated with elevated rates of high-risk sexual behavior, HIV and human herpesvirus type 8 (HHV-8) seroconversion, and transient immunosuppressive effects in experimental models. Whether long-term popper use is associated with cancer risk among MSM in the HAART era is unclear. DESIGN: Prospective cohort study of cancer risk in 3223 HIV-infected and uninfected MSM in the Multicenter AIDS Cohort Study from 1996-2010...
May 15, 2017: AIDS
https://www.readbyqxmd.com/read/28440355/thyroid-ultrasound-state-of-the-art-part-2-focal-thyroid-lesions
#2
REVIEW
Manjiri Dighe, Richard Barr, Jörg Bojunga, Vito Cantisani, Maria Cristina Chammas, David Cosgrove, Xin Wu Cui, Yi Dong, Franziska Fenner, Maija Radzina, Sudhir Vinayak, Jun Mei Xu, Christoph F Dietrich
Accurate differentiation of focal thyroid nodules (FTL) and thyroid abnormalities is pivotal for proper diagnostic and therapeutic work-up. In these two part articles, the role of ultrasound techniques in the characterization of FTL and evaluation of diffuse thyroid diseases is described to expand on the recently published World Federation in Ultrasound and Medicine (WFUMB) thyroid elastography guidelines and review how this guideline fits into a complete thyroid ultrasound exam.
April 22, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28439836/prediction-of-mirna-mrna-interactions-using-mirgate
#3
Eduardo Andrés-León, Gonzalo Gómez-López, David G Pisano
miRGate ( http://mirgate.bioinfo.cnio.es /) is a freely available database that contains predicted and experimentally validated microRNA-messenger RNA (miRNA-mRNA) target pairs. This resource includes novel predictions from five well-established algorithms, but recalculated from a common and comprehensive sequence dataset. It includes all 3'-UTR sequences of all known genes of the three more widely employed genomes (human, mouse, and rat), and all annotated miRNA sequences from those genomes. Besides, it also contains predictions for all genes in human targeted by miRNA viruses such as Epstein-Barr and Kaposi sarcoma-associated herpes virus...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28438202/does-parental-and-adolescent-participation-in-an-e-health-lifestyle-modification-intervention-improves-weight-outcomes
#4
Andrew W Tu, Allison W Watts, Jean-Pierre Chanoine, Constadina Panagiotopoulos, Josie Geller, Rollin Brant, Susan I Barr, Louise Mâsse
BACKGROUND: Few studies have evaluated the effect of adherence to a lifestyle intervention on adolescent health outcomes. The objective of this study was to determine whether adolescent and parental adherence to components of an e-health intervention resulted in change in adolescent body mass index (BMI) and waist circumference (WC) z-scores in a sample of overweight/obese adolescents. METHODS: In total, 159 overweight/obese adolescents and their parents participated in an 8-month e-health lifestyle intervention...
April 24, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28438128/viral-aetiologies-of-acute-encephalitis-in-a-hospital-based-south-asian-population
#5
Janarthani Lohitharajah, Neelika Malavige, Carukshi Arambepola, Jithangi Wanigasinghe, Ranjanie Gamage, Padma Gunaratne, Pyara Ratnayake, Thashi Chang
BACKGROUND: The aetiological spectrum of acute encephalitis shows inter- and intra-geographical variations. We aimed to identify the viruses that cause infectious encephalitis in Sri Lanka, which represents a South Asian population. METHODS: A cross-sectional study was conducted among 99 patients with encephalitis/meningoencephalitis admitted to two tertiary-care hospitals in Colombo. Cerebrospinal fluid and serum were tested for conventional and emerging encephalitogenic viruses...
April 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28438080/guillain-barr%C3%A3-syndrome-in-pregnancy-a-case-report
#6
Misai Hukuimwe, Tawanda T Matsa, Muchabayiwa F Gidiri
Guillain-Barré syndrome is a rare condition in pregnancy which is characterised by symmetrical progressive ascending polyneuropathy. A case of a 16-year-old nulliparous woman who presented with rapidly progressive limb paralysis following an upper respiratory tract infection a week prior to presentation is discussed. She was intubated as she had developed respiratory failure and managed in the intensive care unit by a multidisciplinary team. Plasma exchange and intravenous immunoglobulin were not readily available so she was managed conservatively...
April 1, 2017: Women's Health
https://www.readbyqxmd.com/read/28436953/disruption-of-direct-3d-telomere-trf2-interaction-through-two-molecularly-disparate-mechanisms-is-a-hallmark-of-primary-hodgkin-and-reed-sternberg-cells
#7
Hans Knecht, Nathalie A Johnson, Tina Haliotis, Daniel Lichtensztejn, Sabine Mai
In classical Hodgkin's lymphoma (cHL), specific changes in the 3D telomere organization cause progression from mononuclear Hodgkin cells (H) to multinucleated Reed-Sternberg cells (RS). In a post-germinal center B-cell in vitro model, permanent latent membrane protein 1 (LMP1) expression, as observed in Epstein-Barr virus (EBV)-associated cHL, results in multinuclearity and complex chromosomal aberrations through downregulation of key element of the shelterin complex, the telomere repeat binding factor 2 (TRF2)...
April 24, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28435010/ribotypes-associated-with-clostridium-difficile-outbreaks-in-brazil-display-distinct-surface-protein-profiles
#8
Thais Gonçalves Ferreira, Hercules Moura, John R Barr, Regina M C Pilotto Domingues, Eliane de Oliveira Ferreira
Clostridium difficile is a spore-forming anaerobic intestinal pathogen that causes Clostridium difficile infection (CDI). C. difficile is the leading cause of toxin-mediated nosocomial antibiotic-associated diarrhea. The pathogenesis of CDI is attributed to two major virulence factors, TcdA and TcdB toxins, that cause the symptomatic infection. C. difficile also expresses a number of key proteins, including cell wall proteins (CWPs). S-layer proteins (SLPs) are CWPs that form a paracrystalline surface array that coats the surface of the bacterium...
April 20, 2017: Anaerobe
https://www.readbyqxmd.com/read/28433935/distinct-on-off-fluorescence-signals-from-dual-responsive-activatable-nanoprobes-allows-detection-of-inflammation-with-improved-contrast
#9
Mathieu L Viger, Guillaume Collet, Jacques Lux, Viet Anh Nguyen Huu, Monica Guma, Alexandra Foucault-Collet, Jason Olejniczak, Shivanjali Joshi-Barr, Gary S Firestein, Adah Almutairi
Visualization of biochemical changes associated with disease is of great clinical significance, as it should allow earlier, more accurate diagnosis than structural imaging, facilitating timely clinical intervention. Herein, we report combining stimuli-responsive polymers and near-infrared fluorescent dyes (emission max: 790 nm) to create robust activatable fluorescent nanoprobes capable of simultaneously detecting acidosis and oxidative stress associated with inflammatory microenvironments. The spectrally-resolved mechanism of fluorescence activation allows removal of unwanted background signal (up to 20-fold reduction) and isolation of a pure activated signal, which enables sensitive and unambiguous localization of inflamed areas; target-to-background ratios reach 22 as early as 3 h post-injection...
March 28, 2017: Biomaterials
https://www.readbyqxmd.com/read/28432975/vaccination-strategies-against-zika-virus
#10
REVIEW
Estefania Fernandez, Michael S Diamond
The epidemic emergence of Zika virus (ZIKV) in 2015-2016 has been associated with congenital malformations and neurological sequela. Current efforts to develop a ZIKV vaccine build on technologies that successfully reduced infection or disease burden against closely related flaviviruses or other RNA viruses. Subunit-based (DNA plasmid and modified mRNA), viral vectored (adeno- and measles viruses) and inactivated viral vaccines are already advancing to clinical trials in humans after successful mouse and non-human primate studies...
April 19, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28432749/motor-nerve-excitability-after-childhood-guillain-barr%C3%A3-syndrome
#11
Judith Drenthen, Joyce Roodbol, Ellen M Maathuis, Coriene E Catsman-Berrevoets, Joleen H Blok, Marie-Claire Y de Wit, Bart C Jacobs
OBJECTIVE: To determine the residual motor nerve dysfunction after pediatric Guillain-Barré syndrome (GBS). METHODS: Observational cross-sectional cohort study in patients who previously developed GBS during childhood (<18 years). Ulnar motor nerve dysfunction was defined by compound motor action potential (CMAP) scan in patients after a follow-up of at least one year compared with age-matched healthy controls, in relation to clinical course and outcome. RESULTS: Thirty-seven persons previously diagnosed with GBS in childhood were included with a mean age at current examination of 20...
April 21, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/28431787/-campylobacter-jejuni-o-19-serotype-in-argentine-poultry-meat-supply-chain
#12
Eugenia Rossler, Estefanía M Fuhr, Guillermina Lorenzón, Analía Romero-Scharpen, Ayelén P Berisvil, Jesica E Blajman, Diego M Astesana, Jorge A Zimmermann, Marcia L Fusari, Marcelo L Signorini, Lorena P Soto, Laureano S Frizzo, María V Zbrun
Thermotolerant species of Campylobacter have been focus of attention in the last years because they are the major agent causing zoonotic foodborne diseases. In addition, Campylobacter jejuni O:19 serotype was associated with Guillain Barré syndrome. The aim of this study was to determine the proportion of C. jejuni O:19 serotype isolated at different stages of three poultry meat supply chain in Santa Fe, Argentina. The analysis showed that 18% of isolated C. jejuni belong to serotype O:19. It was also determined that the presence of these strains is given in almost all production stages...
April 18, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28431273/chromosomal-instability-in-gastric-cancer-biology
#13
REVIEW
Saffiyeh Saboor Maleki, Christoph Röcken
Gastric cancer (GC) is the fifth most common cancer in the world and accounts for 7% of the total cancer incidence. The prognosis of GC is dismal in Western countries due to late diagnosis: approximately 70% of the patients die within 5 years following initial diagnosis. Recently, integrative genomic analyses led to the proposal of a molecular classification of GC into four subtypes, i.e.,microsatellite-instable, Epstein-Barr virus-positive, chromosomal-instable (CIN), and genomically stable GCs. Molecular classification of GC advances our knowledge of the biology of GC and may have implications for diagnostics and patient treatment...
April 18, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28430637/clinical-utility-of-circulating-cell-free-epstein-barr-virus-dna-in-patients-with-gastric-cancer
#14
Katsutoshi Shoda, Daisuke Ichikawa, Yuji Fujita, Kiyoshi Masuda, Hidekazu Hiramoto, Junichi Hamada, Tomohiro Arita, Hirotaka Konishi, Toshiyuki Kosuga, Shuhei Komatsu, Atsushi Shiozaki, Kazuma Okamoto, Issei Imoto, Eigo Otsuji
Recent comprehensive molecular subtyping of gastric cancer (GC) identified Epstein-Barr virus (EBV)-positive tumors as a subtype with distinct salient molecular and clinical features. In this study, we aimed to determine the potential utility of circulating cell-free EBV DNA as a biomarker for the detection and/or monitoring of therapeutic response in patients with EBV-associated gastric carcinoma (EBVaGC). The EBV genes-to-ribonuclease P RNA component H1 ratios (EBV ratios) in the GC tumors and plasma samples were determined by quantitative real-time polymerase chain reaction in 153 patients with GC, including 14 patients with EBVaGC diagnosed by the conventional method...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28428233/efficacy-in-the-margins-of-nhl-with-ibrutinib
#15
Paul M Barr
No abstract text is available yet for this article.
April 20, 2017: Blood
https://www.readbyqxmd.com/read/28427406/latent-membrane-protein-1-lmp1-expression-in-hodgkin-lymphoma-and-its-correlation-with-clinical-and-histologic-parameters
#16
Atif Ali Hashmi, Zubaida Fida Hussain, Kashif Ali Hashmi, Muhammad Irfan Zafar, Muhammad Muzzammil Edhi, Naveen Faridi, Mehmood Khan
BACKGROUND: Hodgkin lymphoma is one of the most prevalent lymphoproliferative disorders in Pakistan; however, no risk factors for this disease have yet to be established in our population. Epstein-Barr virus (EBV) is a well-known risk factor for Hodgkin lymphoma in endemic regions of the world; however, frequency of its association in our population has not been widely studied. Latent membrane protein 1 (LMP1) expression by immunohistochemistry (IHC) is a surrogate marker of EBV in Hodgkin lymphoma...
April 20, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28426845/her2-specific-chimeric-antigen-receptor-modified-virus-specific-t-cells-for-progressive-glioblastoma-a-phase-1-dose-escalation-trial
#17
Nabil Ahmed, Vita Brawley, Meenakshi Hegde, Kevin Bielamowicz, Mamta Kalra, Daniel Landi, Catherine Robertson, Tara L Gray, Oumar Diouf, Amanda Wakefield, Alexia Ghazi, Claudia Gerken, Zhongzhen Yi, Aidin Ashoori, Meng-Fen Wu, Hao Liu, Cliona Rooney, Gianpietro Dotti, Adrian Gee, Jack Su, Yvonne Kew, David Baskin, Yi Jonathan Zhang, Pamela New, Bambi Grilley, Milica Stojakovic, John Hicks, Suzanne Z Powell, Malcolm K Brenner, Helen E Heslop, Robert Grossman, Winfried S Wels, Stephen Gottschalk
Importance: Glioblastoma is an incurable tumor, and the therapeutic options for patients are limited. Objective: To determine whether the systemic administration of HER2-specific chimeric antigen receptor (CAR)-modified virus-specific T cells (VSTs) is safe and whether these cells have antiglioblastoma activity. Design, Setting, and Participants: In this open-label phase 1 dose-escalation study conducted at Baylor College of Medicine, Houston Methodist Hospital, and Texas Children's Hospital, patients with progressive HER2-positive glioblastoma were enrolled between July 25, 2011, and April 21, 2014...
April 20, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28426728/pulmonary-vascular-volume-impaired-left-ventricular-filling-and-dyspnea-the-mesa-lung-study
#18
Carrie P Aaron, Eric A Hoffman, Joao A C Lima, Steven M Kawut, Alain G Bertoni, Jens Vogel-Claussen, Mohammadali Habibi, Katja Hueper, David R Jacobs, Ravi Kalhan, Erin D Michos, Wendy S Post, Martin R Prince, Benjamin M Smith, Bharath Ambale-Venkatesh, Chia-Ying Liu, Filip Zemrak, Karol E Watson, Matthew Budoff, David A Bluemke, R Graham Barr
BACKGROUND: Evaluation of impaired left ventricular (LV) filling has focused on intrinsic causes of LV dysfunction; however, pulmonary vascular changes may contribute to reduced LV filling and dyspnea. We hypothesized that lower total pulmonary vascular volume (TPVV) on computed tomography (CT) would be associated with dyspnea and decrements in LV end-diastolic volume, particularly among ever-smokers. METHODS: The Multi-Ethnic Study of Atherosclerosis recruited adults without clinical cardiovascular disease in 2000-02...
2017: PloS One
https://www.readbyqxmd.com/read/28425914/epstein-barr-virus-ensures-b-cell-survival-by-uniquely-modulating-apoptosis-at-early-and-late-times-after-infection
#19
Alexander M Price, Joanne Dai, Quentin Bazot, Luv Patel, Pavel A Nikitin, Reza Djavadian, Peter S Winter, Cristina A Salinas, Ashley Perkins Barry, Kris C Wood, Eric C Johannsen, Anthony Letai, Martin J Allday, Micah A Luftig
Latent Epstein-Barr virus (EBV) infection is causally linked to several human cancers. EBV expresses viral oncogenes that promote cell growth and inhibit the apoptotic response to uncontrolled proliferation. The EBV oncoprotein LMP1 constitutively activates NFB and is critical for survival of EBV-immortalized B cells. However, during early infection EBV induces rapid B cell proliferation with low levels of LMP1 and little apoptosis. Therefore, we sought to define the mechanism of survival in the absence of LMP1/NFB early after infection...
April 20, 2017: ELife
https://www.readbyqxmd.com/read/28425041/familial-amyloid-cardiomyopathy-masquerading-as-chronic-guillain-barre-syndrome-things-are-not-always-what-they-seem
#20
Die Hu, Ling Liu, Shuguang Yuan, Yuhong Yi, Daoquan Peng
Familial amyloid cardiomyopathy is a challenging condition that mimics many other diseases, particularly in patients with pronounced neurological presentations and unexplained or equivocal cardiac abnormalities. In this case, a 57-year-old man was admitted for outpatient cardiological evaluation of progressive right heart failure and limb paraesthesias. The patient presented with hypertension, chronic Guillain-Barre syndrome, and sick sinus syndrome. Transthoracic echocardiograms showed a thickened ventricular wall and enlarged atrium...
April 19, 2017: Frontiers of Medicine
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