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Greg Hapgood, Tom Pickles, Laurie H Sehn, Diego Villa, Richard Klasa, David W Scott, Alina S Gerrie, Randy D Gascoyne, Graham W Slack, Christina Parsons, James W Morris, Joseph M Connors, Kerry J Savage
Primary cutaneous anaplastic large cell lymphoma (PCALCL) is a rare CD30(+) lymphoproliferative disorder with excellent outcomes reported despite frequent cutaneous relapses. Limited information exists on the development of systemic lymphoma. The British Columbia Cancer Agency (BCCA) Lymphoid Cancer Database was searched to identify all adults diagnosed with PCALCL from 1993 to 2013. From 2005, the BCCA endorsed radiotherapy (RT) alone for limited stage with data failing to support chemotherapy. Forty-seven patients were identified with a male predominance (n = 31, 66%), median age of 64 years and predominantly limited stage (n = 40, 85%)...
October 21, 2016: British Journal of Haematology
Jutta Ernst, Kristian Ikenberg, Barbara Apel, Desiree M Schumann, Gerhard Huber, Gabriela Studer, Tamara Rordorf, Oliver Riesterer, Matthias Rössle, Dimitri Korol, Marius G Bredell
OBJECTIVES: To explore the prognostic role of CK19 expression in squamous cell carcinomas within a well-defined cohort of oral tongue cancer patients. METHODS: In our retrospective study, we investigated 129 patients with tongue cancer that had suitable material for inclusion in a tissue microarray (TMA). Where possible, samples were taken from central and peripheral regions of the tumor to generate a representative sample of the tumor. The expression level of CK19 was assessed by immunohistochemical staining...
October 15, 2016: Oncotarget
S Tonoli, D Alterio, O Caspiani, A Bacigalupo, F Bunkheila, M Cianciulli, A Merlotti, A Podhradska, M Rampino, D Cante, L Bruschieri, R Gatta, S M Magrini
PURPOSE: To evaluate the outcomes with respect to long-term survival and toxicity in patients with nasopharyngeal carcinoma (NPC) treated in a European country with low incidence. MATERIALS AND METHODS: A prospective observational study carried out by the AIRO Head and Neck group in 12 Italian institutions included 136 consecutive patients treated with radiotherapy (RT) ± chemotherapy (CHT) for NPC (without distant metastasis) between January 1, 2008 and December 31, 2010...
October 19, 2016: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
Luciana F Costa, Juliana P S Mol, Ana Patricia C Silva, Auricélio A Macêdo, Teane M A Silva, Geraldo E S Alves, Sebastian Winter, Maria G Winter, Eric M Velazquez, Mariana X Byndloss, Andreas J Bäumler, Renée M Tsolis, Tatiane A Paixão, Renato L Santos
Salmonella enterica serotype Typhimurium is able to expand in the lumen of the inflamed intestine through mechanisms that have not been fully resolved. Here we utilized streptomycin-pretreated mice and dextran sodium sulfate (DSS)-treated mice to investigate how pathways for S. Typhimurium iron acquisition contribute to pathogen expansion in the inflamed intestine. Competitive infection with an iron uptake-proficient S. Typhimurium strain and mutant strains lacking tonB feoB, feoB, tonB or iroN in streptomycin pretreated mice demonstrated that ferric iron uptake requiring IroN and TonB conferred a fitness advantage during growth in the inflamed intestine...
October 13, 2016: International Journal of Medical Microbiology: IJMM
Anna Keppner, Sumedha Malsure, Antoine Nobile, Muriel Auberson, Olivier Bonny, Edith Hummler
BACKGROUND: Inflammatory bowel diseases (IBD) including ulcerative colitis and Crohn's disease are diseases with impaired epithelial barrier function. We aimed to investigate whether mutated prostasin and thus, reduced colonic epithelial sodium channel activity predisposes to develop an experimentally dextran sodium sulfate (DSS)-induced colitis. METHODS: Wildtype, heterozygous (fr/+), and homozygous (fr/fr) prostasin-mutant rats were treated 7 days with DSS followed by 7 days of recovery and analyzed with respect to histology, clinicopathological parameters, inflammatory marker mRNA transcript expression, and sodium transporter protein expression...
October 12, 2016: Inflammatory Bowel Diseases
Richard Wainford, Kathryn Walsh
OBJECTIVE: These studies tested the hypothesis that the SNS release of norepinephrine modulates NCC activity via a WNK1 mechanism to contribute to the pathophysiology of salt-sensitive hypertension in rats. DESIGN AND METHOD: Male Sprague-Dawley (SD) rats receiving a continuous s.c. saline or NE (600 ng/min) infusion or naïve Dahl Salt-Resistant (DSR) and Dahl Salt-Sensitive (DSS) rats were fed a 0.6% (NS) or 8% NaCl (HS) diet for 14 or 21 days respectively (N = 6/group)...
September 2016: Journal of Hypertension
Akira Nishiyama, Abu Sufiun, Yoshihide Fujisawa, Asadur Rahman, Daisuke Nakano, Hirofumi Hitomi
OBJECTIVE: It has been indicated that non-dipper pattern of circadian rhythm of blood pressure (BP) is a great risk of cardiovascular disease, which is accompanied by impaired renal function and proteinuria. Here, we aimed to investigate the circadian rhythm of BP during the progression of renal injury in Dahl salt-sensitive (DSS) hypertensive rats. DESIGN AND METHOD: DSS rats were treated with a high salt diet (HS; 8% NaCl) for 10 weeks (n = 10). RESULTS: Before starting a HS diet, the difference in mean arterial pressure (MAP) between dark and light period was 6...
September 2016: Journal of Hypertension
Attila Krajcsi
Numerical distance and size effects (easier number comparisons with large distance or small size) are mostly supposed to reflect a single effect, the ratio effect, which is a consequence of activation of the analog number system (ANS), working according to Weber's law. In an alternative model, symbolic numbers can be processed by a discrete semantic system (DSS), in which the distance and size effects could originate in two independent factors: the distance effect depending on the semantic distance of the units, and the size effect depending on the frequency of the symbols...
October 17, 2016: Psychonomic Bulletin & Review
Hyun Sook Hong, Dae Yeon Hwang, Ju Hyeong Park, Suna Kim, Eun Jung Seo, Youngsook Son
Intestinal inflammation alters immune responses in the mucosa and destroys colon architecture, leading to serious diseases such as inflammatory bowel disease (IBD). Thus, regulation of inflammation is regarded as the ultimate therapy for intestinal disease. Substance-P (SP) is known to mediate proliferation, migration, and cellular senescence in a variety of cells. SP was found to mobilize stem cells from bone marrow to the site of injury and to suppress inflammatory responses by inducing regulatory T cells (Tregs) and M2 macrophages...
October 14, 2016: Cytokine
D Reiss, R A Ceredig, T Secher, J Boué, F Barreau, G Dietrich, C Gavériaux-Ruff
BACKGROUND: Opiates act through opioid receptors to diminish pain. Here, we investigated whether mu (MOR) and delta (DOR) receptor endogenous activity assessed in the whole mouse body or in particular at peripheral receptors on primary nociceptive neurons, control colonic pain. METHODS: We compared global MOR and DOR receptor knockout (KO) mice, mice with a conditional deletion of MOR and DOR in Nav1.8-positive nociceptive primary afferent neurons (cKO), and control floxed mice of both genders for visceral sensitivity...
October 17, 2016: European Journal of Pain: EJP
Bum Soo Kim, Kyoungjune Pak, Keun-Ik Yi, In Joo Kim, Hwan-Jung Roh, Kyu-Sup Cho
The objective of this study was to investigate the value of parameters assessed with F18-FDG PET/CT in predicting recurrence-free survival (RFS) and disease-specific survival (DSS) in patients with cancer of nasal cavity and paranasal sinus. Thirty-eight patients with cancer of nasal cavity (n = 14) and paranasal sinus (n = 24) who underwent PET/CT prior to curative treatment were enrolled. A volume of interest was placed on PET/CT images covering the entire tumor volume, and the maximum SUV (SUVmax), the mean SUV (SUVmean), and volumetric parameters of metabolic tumor volume (MTV) and total lesion glycolysis (TLG) were measured using thresholds of 40 % of SUVmax...
October 17, 2016: European Archives of Oto-rhino-laryngology
Limin Shi, Qinlu Lin, Tao Yang, Ying Nie, Xinhua Li, Bo Liu, Junjun Shen, Ying Liang, Yiping Tang, Feijun Luo
To evaluate the anti-inflammatory effect of β-glucans from Lentinus edodes, and its molecular mechanism, the dextran sulfate sodium salt (DSS) induced colitis model of mice and the LPS-stimulated RAW264.7 cell inflammation model were used in this study. 40 ICR male mice were randomly divided into 4 groups: Control, DSS (DSS treated only), DSS + low-βGs (500 mg kg(-1) d(-1)) and DSS + high-βGs (1000 mg kg(-1) d(-1)). The body weight of the mice with Lentinus edodes β-glucan supplementation increased significantly compared to the DSS group and the disease activity index (DAI) was improved in both βG-treated groups...
October 17, 2016: Food & Function
Annie Elong Ngono, Hui-Wen Chen, William W Tang, Yunichel Joo, Kevin King, Daniela Weiskopf, John Sidney, Alessandro Sette, Sujan Shresta
Infection with one of the four dengue virus serotypes (DENV1-4) presumably leads to lifelong immunity against the infecting serotype but not against heterotypic reinfection, resulting in a greater risk of developing Dengue Hemorrhagic Fever/Dengue Shock Syndrome (DHF/DSS) during secondary infection. Both antibodies and T cell responses have been implicated in DHF/DSS pathogenesis. According to the T cell-based hypothesis termed "original antigenic sin," secondary DENV infection is dominated by non-protective, cross-reactive T cells that elicit an aberrant immune response...
October 7, 2016: EBioMedicine
Eleanor M Osborne, Ann H Klopp, Anuja Jhingran, Larissa A Meyer, Patricia J Eifel
PURPOSE: Treatment for locoregionally advanced cervical cancer has changed dramatically since 2000. In that year, delivery of radiation therapy with concurrent chemotherapy became standard, and in the early 2000s, use of intensity modulated RT (IMRT) and positron emission tomography (PET) became more prevalent. We sought to determine the impact of these changes on disease-specific survival (DSS) and treatment-related adverse effects in patients with cervical cancer with para-aortic lymph node (PAN) metastases treated with definitive extended-field radiation therapy...
September 7, 2016: Practical Radiation Oncology
N M Al-Namnam, P Nambiar, P Shanmuhasuntharam, M Harris
Dengue is a mosquito transmitted flaviviral infection which can give rise to severe haemorrhage (dengue haemorrhagic fever/DHF) and with capillary leakage induces hypovolemic shock (dengue shock syndrome/DSS). Although dengue symptoms and complications have been known for many decades there has only been one documented case of osteonecrosis of the maxilla which was treated by excision of the necrotic bone. In this case of dengue infection, extensive maxillary osteonecrosis and minimal root resorption appeared to follow factitious injury with a toothpick but resolved with nonsurgical management...
October 15, 2016: Australian Dental Journal
Pernille Bejer Nordentoft, Thomas Engell-Sørensen, Sanne Jespersen, Faustino Gomes Correia, Candida Medina, David da Silva Té, Lars Østergaard, Alex Lund Laursen, Christian Wejse, Bo Langhoff Hønge
PURPOSE: The objective of this study was to ascertain vital status of patients considered lost to follow-up at an HIV clinic in Guinea-Bissau, and describe reasons for loss to follow-up (LTFU). METHODS: This study was a cross-sectional sample of a prospective cohort, carried out between May 15, 2013, and January 31, 2014. Patients lost to follow-up, who lived within the area of the Bandim Health Project, a demographic surveillance site (DSS), were eligible for inclusion...
October 14, 2016: Infection
Jianjun Liu, Mingxue Su, Jing Wang, Gan Zhang, Jing Zhou, Anqing Zhang, Zixue Ren, Xucai Zheng, Shikai Hong, Shengying Wang, Rongxin Zhang
Although local advanced gastric cancer (AGC) could benefit from neoadjuvant radiotherapy (NRT), there are few studies evaluating patients' survival after NRT. In current study, we aimed to investigate the value of prognostic factors in AGC patients after NRT and to evaluate whether post-therapy pathological characteristics were predictive factors in these patients. We retrospectively analyzed AGC patients who underwent NRT from Surveillance, Epidemiology, and End Results (SEER) Database. The patients' clinical and post-therapy pathological characteristics were analyzed...
October 11, 2016: Oncotarget
W Yu, Y Jiang, J Yang, Z L Dun, H D Zhou, Z Jiang, P Lu, W Pan
A three-dimensional (3D) Dirac semimetal (DS) is an analogue of graphene, but with linear energy dispersion in all (three) momentum directions. 3D DSs have been a fertile playground in discovering novel quantum particles, for example Weyl fermions, in solid state systems. Many 3D DSs were theoretically predicted and experimentally confirmed. We report here the results in exfoliated ZrTe5 thin flakes from the studies of aberration-corrected scanning transmission electron microscopy and low temperature magneto-transport measurements...
October 14, 2016: Scientific Reports
Prabhu Nagnathappa Kasture, K H Nagabhushan, Arun Kumar
INTRODUCTION: Dengue is a rapidly expanding global health problem. Approximately 2.5 billion people live in dengue-risk regions with about 100 million new cases each year worldwide. The cumulative dengue diseases burden has attained an unprecedented proportion in recent times with sharp increase in the size of human population at risk. The management of dengue virus infection is essentially supportive and symptomatic and no specific treatment is available for increasing the fallen platelets, which have a significant role in causing the mortality of dengue patient...
June 2016: Journal of the Association of Physicians of India
María Gálvez-Llompart, Maria C Recio, Ramón García-Domenech, Jorge Gálvez
In the present paper, a strategy to identify novel compounds against ulcerative colitis (UC) by molecular topology (MT) is presented. Several quantitative structure-activity relationship (QSAR) models based on molecular topology have been developed to predict inducible nitric oxide synthase (iNOS) and tumor necrosis factor alpha ([Formula: see text]) mediated anti-ulcerative colitis (UC) activity and protective activity against a dextran sulfate sodium (DSS)-induced UC model. Each one has been used for the screening of four previously selected compounds as potential therapeutic agents for UC: alizarin-3-methyliminodiacetic acid (AMA), Calcein, (+)-dibenzyl-L-tartrate, and Ro 41-0960...
October 12, 2016: Molecular Diversity
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