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https://www.readbyqxmd.com/read/28103205/is-the-use-of-agile-patency-capsule-prior-to-videocapsule-endoscopy-useful-in-all-patients-with-spondyloarthritis
#1
Andrada Gheorghe, Denise Carmen Mihaela Zahiu, Theodor Alexandru Voiosu, Bogdan Radu Mateescu, Mihail Radu Voiosu, Mihai Rimbaş
BACKGROUND AND AIMS: As already known, spondyloarthritis patients present a striking resemblance in intestinal inflammation with early Crohn's disease. Moreover, the frequent use of nonsteroidal anti-inflammatory drugs is an important part of their treatment. Both conditions could lead to intestinal stenoses. Therefore we proposed to investigate the usefulness of the patency capsule test in patients with spondyloarthritis. MATERIAL AND METHODS: 64 consecutive patients (33 males; mean age 38 ± 11 years) that fulfilled the AMOR criteria for seronegative spondyloarthropathy (59...
January 18, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28103197/the-tuebingen-scotopic-threshold-test-tstt
#2
Torsten Strasser, Hana Langrova, Sabrina Sundermeier, Dominic Hillerkuss, Katarina Stingl, Wilhelm Durst, Anne Kurtenbach, Eberhart Zrenner, Ditta Zobor
Measurement of the dark-adaptation threshold plays a key role in the diagnosis and estimation of disease progression of many retinal disorders. Determining the threshold is, however, difficult to perform in young children. We present here a prototype for a dark adaptometer, the Tuebingen Scotopic Threshold Test (TSST) aimed to ease measurement of photoreceptor thresholds in young subjects. The device consists of two 7cm x 10cm fields with either blue or yellow LEDs, for testing rod or cone sensitivity, respectively...
January 5, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28102453/intravascular-ultrasound-versus-digital-subtraction-angiography-direct-comparison-of-intraluminal-diameter-measurements-in-pediatric-and-adolescent-imaging
#3
Anne E Gill, Tadi Ciszak, Hayley Braun, C Matthew Hawkins
BACKGROUND: Intravascular ultrasound (IVUS) allows intraluminal imaging of blood vessels rather than the one-dimensional luminal outline depicted by digital subtraction angiography (DSA). Despite extensive literature in multiple adult vascular diseases, IVUS has not been directly compared to DSA in pediatric and adolescent vascular pathologies. OBJECTIVE: The purpose of this manuscript is to compare absolute luminal diameter measurements obtained via IVUS and DSA during a variety of pediatric endovascular procedures...
January 19, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28102194/%C3%AE-3-chains-of-type-v-collagen-regulate-breast-tumour-growth-via-glypican-1
#4
Guorui Huang, Gaoxiang Ge, Valerio Izzi, Daniel S Greenspan
Pericellular α3(V) collagen can affect the functioning of cells, such as adipocytes and pancreatic β cells. Here we show that α3(V) chains are an abundant product of normal mammary gland basal cells, and that α3(V) ablation in a mouse mammary tumour model inhibits mammary tumour progression by reducing the proliferative potential of tumour cells. These effects are shown to be primarily cell autonomous, from loss of α3(V) chains normally produced by tumour cells, in which they affect growth by enhancing the ability of cell surface proteoglycan glypican-1 to act as a co-receptor for FGF2...
January 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28101837/drug-exposure-and-the-risk-of-microscopic-colitis-a-critical-update
#5
Alfredo J Lucendo
A variety of luminal antigens, including a wide range of drugs, have been associated with the still little-known pathophysiology of microscopic colitis (MC), with variable evidence suggesting causality. This article aims to review the aspects related to drugs as potential triggers of MC; to discuss the most commonly identified associations between drugs and MC; and to analyze the limitations of the studies currently available. A literature search was performed in PubMed combining the search terms 'drug exposure', 'drug consumption', and 'risk factors' with 'microscopic colitis', 'lymphocytic colitis', and 'collagenous colitis', with no language restrictions...
January 18, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28101678/breast-carcinoma-subtypes-show-different-patterns-of-metastatic-behavior
#6
István Artúr Molnár, Béla Ákos Molnár, Laura Vízkeleti, Krisztina Fekete, Judit Tamás, Péter Deák, Csilla Szundi, Borbála Székely, Judit Moldvay, Stefan Vári-Kakas, Marcell A Szász, Balázs Ács, Janina Kulka, Anna-Mária Tőkés
The aim of our retrospective study was to analyze patterns of subtype specific metastatic spread and to identify the time course of distant metastases. A consecutive series of 490 patients with breast cancer who underwent surgery and postoperative treatment at Semmelweis University, Hungary, and diagnosed between the years 2000 and 2007 was identified from the archives of the 2nd Department of Pathology, Hungary. Molecular subtypes were defined based on the 2011 St. Gallen recommendations. Statistical analysis was performed with SPSS Statistics for Windows, Version 22...
January 19, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28101407/intraluminal-laser-speckle-rheology-using-an-omni-directional-viewing-catheter
#7
Jing Wang, Masaki Hosoda, Diane M Tshikudi, Zeinab Hajjarian, Seemantini K Nadkarni
A number of disease conditions in luminal organs are associated with alterations in tissue mechanical properties. Here, we report a new omni-directional viewing Laser Speckle Rheology (LSR) catheter for mapping the mechanical properties of luminal organs without the need for rotational motion. The LSR catheter incorporates multiple illumination fibers, an optical fiber bundle and a multi-faceted mirror to permit omni-directional viewing of the luminal wall. By retracting the catheter using a motor-drive assembly, cylindrical maps of tissue mechanical properties are reconstructed...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28100682/diet-derived-short-chain-fatty-acids-stimulate-intestinal-epithelial-cells-to-induce-mucosal-tolerogenic-dendritic-cells
#8
Gera Goverse, Rosalie Molenaar, Laurence Macia, Jian Tan, Martje N Erkelens, Tanja Konijn, Marlene Knippenberg, Emma C L Cook, Diana Hanekamp, Marc Veldhoen, Anita Hartog, Guus Roeselers, Charles R Mackay, Reina E Mebius
The gastrointestinal tract is continuously exposed to many environmental factors that influence intestinal epithelial cells and the underlying mucosal immune system. In this article, we demonstrate that dietary fiber and short chain fatty acids (SCFAs) induced the expression of the vitamin A-converting enzyme RALDH1 in intestinal epithelial cells in vivo and in vitro, respectively. Furthermore, our data showed that the expression levels of RALDH1 in small intestinal epithelial cells correlated with the activity of vitamin A-converting enzymes in mesenteric lymph node dendritic cells, along with increased numbers of intestinal regulatory T cells and a higher production of luminal IgA...
January 18, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28100567/mecp2-regulated-glycogenes-contribute-to-proliferation-and-apoptosis-of-gastric-cancer-cells
#9
Yannan Qin, Lingyu Zhao, Xiaofei Wang, Dongdong Tong, Christopher Hoover, Fei Wu, Yingxun Liu, Lumin Wang, Liying Liu, Lei Ni, Tusheng Song, Chen Huang
Aberrant glycogene and glycan expression is intimately associated with carcinogenesis, invasion, and metastasis of gastric cancer (GC); however the regulatory mechanisms for glycogenes in GC cells remain unclear. Methyl-CpG-binding protein 2 (MeCP2) regulates genes by binding to methylated promoters, and in our previous work we found that it is overexpressed in GC cell lines and tissues, functioning as an oncogene. In this study we detected the expression of 212 glycogenes in MeCP2 silenced GC cells versus control using the Agilent Whole Human Genome Microarray and mining the data through bioinformatic analysis...
January 18, 2017: Glycobiology
https://www.readbyqxmd.com/read/28099938/bi-rads-3-5-microcalcifications-can-preoperatively-predict-breast-cancer-her2-and-luminal-a-molecular-subtype
#10
DongZhi Cen, Li Xu, Ningna Li, Zhiguang Chen, Lu Wang, Shuqin Zhou, Biao Xu, Chun Ling Liu, Zaiyi Liu, Tingting Luo
PURPOSE: To investigate associations between breast cancer molecular subtype and the patterns of mammographically detected calcifications. RESULTS: Identified were 93 (19.1%) Luminal A, 242 (49.9%) Luminal B, 108 (22.2%) HER2 and 42 (8.7%) basal subtypes. In univariate analysis, the clinicopathological parameters and BI-RADS 3-5 microcalcifications, which consisted 9 selected features was significantly associated with breast cancer molecular subtype (all P < 0...
January 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099403/outcome-of-liver-transplant-recipients-with-revascularized-coronary-artery-disease-a-comparative-analysis-with-and-without-cardiovascular-risk-factors
#11
Sanjaya K Satapathy, Jason M Vanatta, Ryan Helmick, Albert Flowers, Satish K Kedia, Yu Jiang, Bilal Ali, James Eason, Satheesh P Nair, Uzoma N Ibebuogu
BACKGROUND: Coronary artery disease (CAD) is a significant problem during evaluation for liver transplantation (LT). We aim to assess survival in LT recipients based on presence, severity, extent of CAD and cardiac events within 90 days of LT. METHODS: 87 LT recipients with history of pre-LT angiogram (12/2005-12/2012) were compared with 2 control groups without prior angiogram, 72 LT recipients matched for cardiovascular risk factors (Control Gr I), and 119 consecutive LT recipients without any CV risk factors (Control Gr II)...
January 17, 2017: Transplantation
https://www.readbyqxmd.com/read/28099174/discordance-rate-in-estrogen-receptor-progesterone-receptor-her2-status-and-ki67-index-between-primary-unifocal-and-multiple-homogenous-breast-carcinomas-and-synchronous-axillary-lymph-node-metastases-have-an-impact-on-therapeutic-decision
#12
Rares Georgescu, Monica Boros, Denisa Moncea, Orsolya Bauer, Marius-Florin Coros, Adela Oprea, Cosmin Moldovan, Cristian Podoleanu, Simona Stolnicu
BACKGROUND: We aimed to demonstrate that in breast carcinomas the tumor profile is not stable during the metastatic process, with impact on therapeutic decisions. MATERIALS AND METHODS: We analyzed the estrogen receptor (ER), progesterone receptor (PR), and HER2 status and Ki67 index in 41 primary unifocal (PU) and 37 primary multiple (PM) breast carcinomas with identical immunohistochemical profiles among multiple tumor foci and the matched axillary lymph node metastases...
January 17, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28099173/surgical-approach-for-ulcerated-locally-advanced-breast-cancer-a-single-center-experience-a-retrospective-study
#13
Rita Laforgia, Clelia Punzo, Annunziata Panebianco, Annalisa Volpi, Marina Minafra, Maria Grazia Sederino
AIM: The aim of our retrospective study is to analyze surgical possibilities for the extended LABC in those cases not suitable for a neoadjuvant chemotherapy step and to consider various reconstruction techniques. MATERIAL OF STUDY: Between 2009 and 2015 we enrolled 11 patients, admitted to the Emergency Department, presenting ulcerated LABC that needed palliative surgical demolitive procedures because of bleeding and anemia and in which was necessary to use natural tissues transposition or synthetic substitutes for the reconstruction of the skin flaps...
January 12, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28098734/multimodal-fundus-imaging-of-outer-retinal-tubulations-in-choroidal-osteoma-patients
#14
Yi Xuan, Yongjin Zhang, Min Wang, Jinli Guo, Lei Li, Wei Liu, Xiaofeng Ye
PURPOSE: To evaluate the morphological findings of outer retinal tubulations (ORTs) shown on multimodal imaging modalities in patients with choroidal osteoma. METHODS: Nineteen eyes of 17 patients with choroidal osteoma underwent full clinical and imaging assessments. Color fundus photography, spectral-domain optical coherence tomography (OCT), and en face OCT were used to identify and detect the characteristics of ORT structures, including the shape, configuration, location, and distribution in the fundus...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28098731/choroidal-structure-altered-by-degeneration-of-retina-in-eyes-with-retinitis-pigmentosa
#15
Hiroki Kawano, Shozo Sonoda, Shiro Saito, Hiroto Terasaki, Taiji Sakamoto
PURPOSE: To compare the structural characteristics of the choroid in the areas with greater retinal degeneration to the areas with less retinal degeneration in eyes with retinitis pigmentosa (RP). METHODS: Patients with RP who had a hyperautofluorescent ring were studied. The choroidal images obtained by enhanced depth imaging optical coherence tomography located 7,500 μm from the optic disk in the horizontal plane were analyzed. The cross-sectional areas of the total, luminal, and stromal choroid were measured...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28098572/metastatic-organotropism-an-intrinsic-property-of-breast-cancer-molecular-subtypes
#16
Shi Wei, Gene P Siegal
It has long been known that some cancers have the propensity to metastasize to certain organs thus creating a nonrandom distribution of sites for distant relapse, a phenomenon known as "metastatic organotropism." Some of these examples include ovary primary to abdominal cavity, prostate primary to bone, and pancreas primary to liver. In contrast, other tumor types, such as mammary and renal cell carcinoma, can relapse in multiple organs although approximately half of advanced breast cancers metastasize to bone...
January 16, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28097652/mdm4-is-a-rational-target-for-treating-breast-cancers-with-mutant-p53
#17
Panimaya Jeffreena Miranda, Daniel Buckley, Dinesh Raghu, Jia-Min B Pang, Elena A Takano, Reshma Vijayakumaran, Amina F A S Teunisse, Atara Posner, Tahlia Procter, Marco J Herold, Cristina Gamell, Jean-Christophe Marine, Stephen B Fox, Aart Jochemsen, Sue Haupt, Ygal Haupt
Mutation of the key tumour suppressor p53 defines a transition in the progression toward aggressive and metastatic breast cancer (BC) with the poorest outcome. Specifically, p53 mutation frequency exceeds 50% in Triple Negative BC (TNBC). Key regulators of mutant p53 that facilitate its oncogenic functions are potential therapeutic targets. We report here that the MDM4 protein is frequently abundant in the context of mutant p53 in basal-like BC samples. Importantly, we show that MDM4 plays a critical role in the proliferation of these BC cells...
January 18, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28097523/intravascular-ultrasound-characterization-of-a-tissue-engineered-vascular-graft-in-an-ovine-model
#18
Victoria K Pepper, Elizabeth S Clark, Cameron A Best, Ekene A Onwuka, Tadahisa Sugiura, Eric D Heuer, Lilamarie E Moko, Shinka Miyamoto, Hideki Miyachi, Darren P Berman, Sharon L Cheatham, Joanne L Chisolm, Toshiharu Shinoka, Christopher K Breuer, John P Cheatham
Patients who undergo implantation of a tissue-engineered vascular graft (TEVG) for congenital cardiac anomalies are monitored with echocardiography, followed by magnetic resonance imaging or angiography when indicated. While these methods provide data regarding the lumen, minimal information regarding neotissue formation is obtained. Intravascular ultrasound (IVUS) has previously been used in a variety of conditions to evaluate the vessel wall. The purpose of this study was to evaluate the utility of IVUS for evaluation of TEVGs in our ovine model...
January 17, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28096336/%C3%AE-catenin-haploinsufficiency-promotes-mammary-tumorigenesis-in-an-erbb2-positive-basal-breast-cancer-model
#19
Bui Tung, Babette Schade, Robert D Cardiff, Olulanu H Aina, Virginie Sanguin-Gendreau, William J Muller
Aberrant activation of β-catenin through its activity as a transcription factor has been observed in a large proportion of human malignancies. Despite the improved understanding of the β-catenin signaling pathway over the past three decades, attempts to develop therapies targeting β-catenin remain challenging, and none of these targeted therapies have advanced to the clinic. In this study, we show that part of the challenge in antagonizing β-catenin is caused by its dual functionality as a cell adhesion molecule and a signaling molecule...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28096181/long-term-8-10%C3%A2-years-outcomes-after-biodegradable-polymer-coated-biolimus-eluting-stent-implantation
#20
Masanobu Ohya, Shunsuke Kubo, Akimune Kuwayama, Katsuya Miura, Takenobu Shimada, Hidewo Amano, Yusuke Hyodo, Suguru Otsuru, Seiji Habara, Takeshi Tada, Hiroyuki Tanaka, Yasushi Fuku, Harumi Katoh, Tsuyoshi Goto, Kazushige Kadota
OBJECTIVE: Efficacy and safety data on biodegradable polymer-coated biolimus-eluting stent (BP-BES) are currently limited to 5 years. We evaluated longer term (8-10 years) clinical and angiographic outcomes after BP-BES implantation. METHODS: Between 2005 and 2008, 243 patients (301 lesions) underwent BP-BES implantation. The primary clinical outcome measure was defined as any target lesion revascularisation (TLR). Absolute serial angiographic studies without any concomitant TLR within 2 years after the procedure were performed in 55 patients (65 lesions) at postprocedure, mid-term (within 1 year), late term (between 1 and 2 years) and very late term (beyond 2 years)...
January 17, 2017: Heart: Official Journal of the British Cardiac Society
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