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https://www.readbyqxmd.com/read/29166702/impact-of-active-cancer-disease-on-the-outcome-of-patients-undergoing-transcatheter-aortic-valve-replacement
#1
Norman Mangner, Felix J Woitek, Stephan Haussig, David Holzhey, Georg Stachel, Florian Schlotter, Robert Höllriegel, Friedrich W Mohr, Gerhard Schuler, Axel Linke
BACKGROUND: Patients undergoing transcatheter aortic valve replacement (TAVR) are often characterized by risk factors not reflected in conventional risk scores. In this context, little is known about the outcome of patients suffering from an active cancer disease (ACD). The objective was to determine the prevalence, clinical characteristics, perioperative outcomes, and mortality of patients with ACD undergoing TAVR compared to those with a history of cancer (HCD) and controls without known tumor disease...
November 22, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29166639/apobec3a-expression-in-penile-squamous-cell-carcinoma
#2
Martina Heller, Elena-Sophie Prigge, Adam Kaczorowski, Magnus von Knebel Doeberitz, Markus Hohenfellner, Stefan Duensing
BACKGROUND: APOBECs (apolipoprotein B mRNA-editing catalytic polypeptides) are cytidine deaminases that have been implicated in the host defense against viruses by blocking viral replication. They have also been shown to play a role in genome hypermutation in several human cancers. An APOBEC3 hypermutation signature has been discovered in cervical cancer, which is intimately associated with infection by high-risk human papillomaviruses (HPVs). At the same time, HPV genomes themselves are subject to DNA editing by APOBECs...
November 23, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29166609/gpr56-adgrg1-inhibits-mesenchymal-differentiation-and-radioresistance-in-glioblastoma
#3
Marta Moreno, Leire Pedrosa, Laia Paré, Estela Pineda, Leire Bejarano, Josefina Martínez, Veerakumar Balasubramaniyan, Ravesanker Ezhilarasan, Naveen Kallarackal, Sung-Hak Kim, Jia Wang, Alessandra Audia, Siobhan Conroy, Mercedes Marin, Teresa Ribalta, Teresa Pujol, Antoni Herreros, Avelina Tortosa, Helena Mira, Marta M Alonso, Candelaria Gómez-Manzano, Francesc Graus, Erik P Sulman, Xianhua Piao, Ichiro Nakano, Aleix Prat, Krishna P Bhat, Núria de la Iglesia
A mesenchymal transition occurs both during the natural evolution of glioblastoma (GBM) and in response to therapy. Here, we report that the adhesion G-protein-coupled receptor, GPR56/ADGRG1, inhibits GBM mesenchymal differentiation and radioresistance. GPR56 is enriched in proneural and classical GBMs and is lost during their transition toward a mesenchymal subtype. GPR56 loss of function promotes mesenchymal differentiation and radioresistance of glioma initiating cells both in vitro and in vivo. Accordingly, a low GPR56-associated signature is prognostic of a poor outcome in GBM patients even within non-G-CIMP GBMs...
November 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/29166501/primary-cutaneous-t-cell-lymphoma-experience-from-the-peruvian-national-cancer-institute
#4
Rosana Ruiz, Zaida Morante, Raul Mantilla, Luis Mas, Luis Casanova, Henry L Gomez
BACKGROUND: Primary cutaneous T-cell lymphomas constitute a heterogeneous and rare group of diseases with regional particularities in Latin America. OBJECTIVE: To determine the clinicopathological features, relative frequency and survival among patients from a Peruvian institution. METHODS: Primary cutaneous T-cell lymphomas were defined based on the absence of extracutaneous disease at diagnosis. Classification was performed following the 2008 World Health Organization Classification of Neoplasms of the Hematopoietic and Lymphoid tissues...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166500/final-diagnosis-of-86-cases-included-in-differential-diagnosis-of-american-tegumentary-leishmaniasis-in-a-brazilian-sample-a-retrospective-cross-sectional-study
#5
Fernanda Tirelli, Sebastian Vernal, Ana Maria Roselino
BACKGROUND: Cutaneous leishmaniasis is distributed worldwide, including Brazil. Its several clinical forms need to be distinguished from other dermatoses. Clinical similarities and lack of a gold standard diagnostic tool make leishmaniasis-like lesions a challenging diagnosis. OBJECTIVES.: To report the final diagnosis of patients primarily suspected of having American tegumentary leishmaniasis (ATL). METHODS.: A retrospective cross-sectional study was conducted on the basis of medical records of 437 patients with clinical suspicion of ATL, registered in electronic hospital system between 1980 and 2013...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166433/hypoglycemia-caused-by-co-secretion-of-insulin-from-lung-tumor-and-cardia-cancer-first-case-report
#6
Yaning Chen, Yi Kang, Liu Hong, Hebin Yao
CONTEXT: Non-islet-cell-tumor-induced hypoglycemia (NICTH) is caused on rare occasions by secretion of insulin from tumor cells that are reported to have a single tissue origin. CASE REPORT: A 67-year-old male patient had cardia adenocarcinoma and concomitant lung adenocarcinoma with extensive metastases and repeated episodes of intractable hypoglycemia. Immunohistochemical staining for insulin showed that lung adenocarcinoma stained positive and gastric cardia adenocarcinoma stained weakly positive...
November 17, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/29166342/important-considerations-for-performing-prepectoral-breast-reconstruction
#7
Hani Sbitany
Prepectoral breast reconstruction has emerged as an excellent technique for postmastectomy reconstruction, as it allows for full preservation of a patient's pectoralis major muscle and chest wall function. This reduces pain, eliminates animation deformity, and results in high patient satisfaction. Safely performed prepectoral breast reconstruction requires a careful patient selection process before committing to the procedure, taking into account comorbidities, radiation status, and oncologic criteria such as tumor location and breast cancer stage...
December 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29166299/exercise-and-the-tumor-microenvironment-potential-therapeutic-implications
#8
Jennifer M Wiggins, Alexander B Opoku-Acheampong, Dryden R Baumfalk, Dietmar W Siemann, Bradley J Behnke
An imbalance in oxygen delivery-to-demand in solid tumors results in local areas of hypoxia leading to poor patient prognosis. We hypothesize that aerobic exercise increases tumor blood flow, recruits previously non-perfused tumor blood vessels and thereby augments blood-tumor O2 transport and diminishes tumor hypoxia. When combined with conventional anti-cancer treatments, aerobic exercise can significantly improve the outcomes for several types of cancers.
November 21, 2017: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/29166136/the-gamma-aminobutyric-acid-b-receptor-gabab-encephalitis-clinical-manifestations-and-response-to-immunotherapy
#9
Junzhao Cui, Hui Bu, Junying He, Zeyan Zhao, Weixin Han, Ruiping Gao, Xiaoqing Li, Qing Li, Xiaosu Guo, Yueli Zou
PURPOSE: We report 11 patients diagnosed with GABAB receptor (GABABR) antibodies encephalitis in China and aim to analyse the clinical characteristics, laboratory and imaging findings, therapeutic modalities and outcomes. METHODS: Clinical data from patients diagnosed with anti-GABAB receptor encephalitis in the Second Affiliated Hospital of Hebei Medical University from February 2016 to October 2016 January were retrospectively collected and evaluated. RESULTS: Seven of the eleven patients were males, and a mean age at presentation of 63 years (range: 47-79 years)...
November 22, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29166012/the-use-of-fluoroproline-in-muc1-antigen-enables-efficient-detection-of-antibodies-in-patients-with-prostate-cancer
#10
Víctor Jesús Somovilla, Iris Alicia Bermejo, Inês S Albuquerque, Nuria Martínez-Sáez, Jorge Castro-López, Fayna Garcia Martin, Ismael Compañón, Hiroshi Hinou, Shin-Ichiro Nishimura, Jesús Jiménez-Barbero, Juan Luis Asensio, Alberto Avenoza, Jesús H Busto, Ramon Hurtado-Guerrero, Jesús M Peregrina, Gonçalo J L Bernardes, Francisco Corzana
A structure-based design of a new generation tumor-associated glycopeptides with improved affinity against two anti-MUC1 antibodies is described. These unique antigens feature a fluorinated proline residue, such as a (4S)-4-fluoro-L-proline or 4,4-difluoroproline, at the most immunogenic domain. Binding assays using bio-layer interferometry reveal 3-fold to 10-fold affinity improvement with respect to the natural (glyco)peptides. According to X-ray crystallography and MD simulations, the fluorinated residues stabilize the antigen-antibody complex by enhancing key CH/π interactions...
November 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29165872/manganese-dioxide-coated-ws2-fe3-o4-ssio2-nanocomposites-for-ph-responsive-mr-imaging-and-oxygen-elevated-synergetic-therapy
#11
Guangbao Yang, Rui Zhang, Chao Liang, He Zhao, Xuan Yi, Sida Shen, Kai Yang, Liang Cheng, Zhuang Liu
Recently, the development of multifunctional theranostic nanoplatforms to realize tumor-specific imaging and enhanced cancer therapy via responding or modulating the tumor microenvironment (TME) has attracted tremendous interests in the field of nanomedicine. Herein, tungsten disulfide (WS2 ) nanoflakes with their surface adsorbed with iron oxide nanoparticles (IONPs) via self-assembly are coated with silica and then subsequently with manganese dioxide (MnO2 ), on to which polyethylene glycol (PEG) is attached...
November 22, 2017: Small
https://www.readbyqxmd.com/read/29165831/external-validation-of-the-ita-li-ca-prognostic-system-for-patients-with-hepatocellular-carcinoma-a-multicenter-cohort-study-hep-17-0903
#12
Mauro Borzio, Elena Dionigi, Angelo Rossini, Massimo Marignani, Rodolfo Sacco, Ilario De Sio, Emanuela Bertolini, Giampiero Francica, Anna Giacomin, Giancarlo Parisi, Susanna Vicari, Anna Toldi, Andrea Salmi, Sergio Boccia, Mario Mitra, Fabio Fornari
Several staging systems for HCC have been developed. BCLC is considered the best in predicting survival, although limitations have emerged. Recently the Italian-Liver-Cancer (ITA.LI.CA) prognostic system, integrating the ITA.LI.CA tumor-staging (stages 0, A, B1-3; C) with Child-Pugh score, ECOG-PST, and AFP with a strong ability to predict survival was proposed. Aim of our study was to provide an external validation of the ITA.LI.CA system in an independent real-life occidental cohort of HCCs. METHODS: From September 2008 to April 2016, 1508 cirrhotics with incident HCC were consecutively enrolled in 27 Italian institutions (EpaHCC multi-institutional cohort)...
November 22, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29165770/current-views-of-common-pediatric-cancers-an-update
#13
Q An, C-H Fan, S-M Xu
Advancements in pediatric cancers diagnostics clarity and treatments have greatly increased survival rates in the pediatric oncology population. Increased survival rates have turned new attention to studying psychosocial stressors and improvisation of the quality of life of the suffering cancer patients. The cancer treatment experience could be divided into three phases: diagnosis, treatment, and post-treatment/survivorship. The present review article would focus specifically on the three most common pediatric cancer diagnostic categories viz...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29165768/recent-perspectives-of-pediatric-leukemia-an-update
#14
Q An, C-H Fan, S-M Xu
Leukemia is defined as an aberrant hyper-proliferation of immature blood cells that do not form solid tumor masses (i.e., liquid cancer). Usually, leukemia could be either of the myeloid or lymphoid lineages, and is classified as acute or chronic in nature. Chronic leukemias tend to have more mature cells and are rare in pediatric patients. Acute leukemias, on the other hand, are typically less mature and commonly occur in patients of all ages and are potentially rapidly fatal if not readily treated. The acute lymphoblastic leukemia (ALL) is the most common childhood malignancy...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29165741/emerging-roles-for-von-willebrand-factor-in-cancer-cell-biology
#15
Jamie M O'Sullivan, Roger J S Preston, Tracy Robson, James S O'Donnell
von Willebrand factor (VWF) is a complex multimeric plasma glycoprotein that plays critical roles in normal hemostasis. However, additional novel roles for VWF in modulating cancer cell biology, and in particular tumor metastasis, have recently been reported. Markedly elevated plasma VWF levels were associated with advanced tumor stage and metastatic disease. These observations have raised the question of whether VWF may be involved in regulating tumor progression. Interestingly, novel findings indicate that VWF is expressed by a variety of tumor cells of nonendothelial origin...
November 17, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/29165710/risk-of-soft-tissue-sarcoma-among-69-460-five-year-survivors-of-childhood-cancer-in-europe
#16
Chloe J Bright, Mike M Hawkins, David L Winter, Daniela Alessi, Rodrigue S Allodji, Francesca Bagnasco, Edit Bárdi, Andrea Bautz, Julianne Byrne, Elizabeth A M Feijen, Miranda M Fidler, Stanislaw Garwicz, Desiree Grabow, Thorgerdur Gudmundsdottir, Joyeeta Guha, Nadia Haddy, Momcilo Jankovic, Peter Kaatsch, Melanie Kaiser, Claudia E Kuehni, Helena Linge, Hilde Øfstaas, Cecile M Ronckers, Roderick Skinner, Jop C Teepen, Monica Terenziani, Giao Vu-Bezin, Finn Wesenberg, Thomas Wiebe, Carlotta Sacerdote, Zsuzsanna Jakab, Riccardo Haupt, Päivi Lähteenmäki, Lorna Zadravec Zaletel, Rahel Kuonen, Jeanette F Winther, Florent de Vathaire, Leontien C Kremer, Lars Hjorth, Raoul C Reulen
Background: Childhood cancer survivors are at risk of subsequent primary soft-tissue sarcomas (STS), but the risks of specific STS histological subtypes are unknown. We quantified the risk of STS histological subtypes after specific types of childhood cancer. Methods: We pooled data from 13 European cohorts, yielding a cohort of 69 460 five-year survivors of childhood cancer. Standardized incidence ratios (SIRs) and absolute excess risks (AERs) were calculated. Results: Overall, 301 STS developed compared with 19 expected (SIR = 15...
November 20, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29165692/prognostic-value-of-clinical-vs-pathologic-stage-in-rectal-cancer-patients-receiving-neoadjuvant-therapy
#17
Daniel Delitto, Thomas J George, Tyler J Loftus, Peihua Qiu, George J Chang, Carmen J Allegra, William A Hall, Steven J Hughes, Sanda A Tan, Christiana M Shaw, Atif Iqbal
Background: Neoadjuvant chemoradiation is currently standard of care in stage II-III rectal cancer, resulting in tumor downstaging for patients with treatment-responsive disease. However, the prognosis of the downstaged patient remains controversial. This work critically analyzes the relative contribution of pre- and post-therapy staging to the anticipated survival of downstaged patients. Methods: The National Cancer Database (NCDB) was queried for patients with rectal cancer treated with transabdominal resection between 2004 and 2014...
November 20, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29165687/investigation-of-the-relationship-between-radiation-dose-and-gene-mutations-and-fusions-in-post-chernobyl-thyroid-cancer
#18
Alexey A Efanov, Alina V Brenner, Tetiana I Bogdanova, Lindsey M Kelly, Pengyuan Liu, Mark P Little, Abigail I Wald, Maureen Hatch, Liudmyla Y Zurnadzy, Marina N Nikiforova, Vladimir Drozdovitch, Kiyohiko Mabuchi, Mykola D Tronko, Stephen J Chanock, Yuri E Nikiforov
Background: Exposure to ionizing radiation during childhood is a well-established risk factor for thyroid cancer. However, the genetic mechanisms of radiation-associated carcinogenesis remain not fully understood. Methods: In this study, we used targeted next-generation sequencing and RNA-Seq to study 65 papillary thyroid cancers (PTCs) from patients in the Ukrainian-American cohort with measurement-based iodine-131 (I-131) thyroid doses received as a result of the Chernobyl accident...
November 18, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29165667/braf-v600e-mutation-assisted-risk-stratification-of-solitary-intrathyroidal-papillary-thyroid-cancer-for-precision-treatment
#19
Yueye Huang, Shen Qu, Guangwu Zhu, Fei Wang, Rengyun Liu, Xiaopei Shen, David Viola, Rossella Elisei, Efisio Puxeddu, Laura Fugazzola, Carla Colombo, Barbara Jarzab, Agnieszka Czarniecka, Alfred K Lam, Caterina Mian, Federica Vianello, Linwah Yip, Garcilaso Riesco-Eizaguirre, Pilar Santisteban, Christine J O'Neill, Mingzhao Xing, Mark S Sywak, Roderick Clifton-Bligh, Bela Bendlova, Vlasta Sýkorová
Background: Precise risk stratification-based treatment of solitary intrathyroidal papillary thyroid cancer (SI-PTC) that is larger than 1.0 cm and 4.0 cm or less is undefined. Methods: A genetic-clinical risk study was performed on BRAF V600E in 955 patients (768 women and 187 men) with SI-PTC, with median age of 46 years and median clinical follow-up time of 64 months at 11 medical centers in six countries. The chi-square test or, for analyses with small numbers, Fisher's exact test was performed to compare recurrence rates...
November 18, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29165662/increased-global-dna-hypomethylation-in-distant-metastatic-and-dedifferentiated-thyroid-cancer
#20
E N Klein Hesselink, Carles Zafon, Núria Villalmanzo, Carmela Iglesias, B M van Hemel, M S Klein Hesselink, Cristina Montero-Conde, Raquel Buj, Dídac Mauricio, Miguel A Peinado, Manel Puig-Domingo, Garcilaso Riesco-Eizaguirre, Jordi L Reverter, Mercedes Robledo, T P Links, Mireia Jordà
Introduction: Global DNA hypomethylation is a major event for the development and progression of cancer, although the significance in thyroid cancer remains unclear. Therefore, we aimed to investigate its role in thyroid cancer progression and its potential as a prognostic marker. Methods: Global hypomethylation of Alu repeats was used as a surrogate marker for DNA global hypomethylation, and was assessed using the Quantification of Unmethylated Alu (QUAlu) technique...
November 20, 2017: Journal of Clinical Endocrinology and Metabolism
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