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https://www.readbyqxmd.com/read/28641365/ultrasonography-guided-14-gauge-core-biopsy-of-the-breast-results-of-7-years-of-experience
#1
Inha Jung, Min Jung Kim, Hee Jung Moon, Jung Hyun Yoon, Eun-Kyung Kim
Purpose: This study assessed the outcomes of ultrasound (US)-guided core needle biopsies (CNBs) of breast lesions with at least 2 years of follow-up to determine the false-negative rate and to evaluate the diagnostic accuracy of CNB. Methods: We retrospectively analyzed 13,254 consecutive US-guided 14-gauge CNBs for breast lesions. We excluded biopsies if non-malignant biopsy result was not confirmed by surgical excision or US-guided vacuum-assisted biopsy, or fewer than 2 years of follow-up data were available...
May 17, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28641331/-surgical-treatment-of-pseudotumours-of-the-lung
#2
Zsolt Sziklavari, Annete Droste, Reiner Neu, Hans-Stefan Hofmann, Michael Ried
Introduction Pseudotumour of the lung is a collective term for various subentities. Some subgroups are considered to be intermediary malignant tumours. A pseudotumour is a rare condition, which makes it difficult to estimate its incidence and prevalence. Methods Retrospective analysis of all surgically treated patients between 2008 and 2015 diagnosed with a pseudotumour of the lung. The primary endpoint of this study was to estimate the rates of local recurrence and metastasis. Secondary endpoints were to determine the nomenclature, medical history, treatment, and the perioperative course...
June 22, 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28641311/characterisation-of-blood-derived-exosomal-htert-mrna-secretion-in-cancer-patients-a-potential-pan-cancer-marker
#3
Hadar Goldvaser, Anna Gutkin, Einat Beery, Yonatan Edel, Jardena Nordenberg, Ofir Wolach, Ester Rabizadeh, Orit Uziel, Meir Lahav
BACKGROUND: Telomerase (human telomerase reverse transcriptase (hTERT)) is considered a hallmark of cancer. The aim of our study was to evaluate the feasibility of the detection of hTERT transcripts in serum as a 'pan-cancer' diagnostic method. METHODS: Human telomerase reverse transcriptase mRNA levels were determined in serum and serum-derived exosomes from 133 patients with different malignancies and 45 healthy controls. In four patients hTERT mRNA levels were measured in different clinical stages...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641308/detection-of-phosphatidylserine-positive-exosomes-for-the-diagnosis-of-early-stage-malignancies
#4
Raghava Sharma, Xianming Huang, Rolf A Brekken, Alan J Schroit
BACKGROUND: There has been increasing interest in the detection of tumour exosomes in blood for cancer diagnostics. Most studies have focussed on miRNA and protein signatures that are surrogate markers for specific tumour types. Because tumour cells and tumour-derived exosomes display phosphatidylserine (PS) in their outer membrane leaflet, we developed a highly sensitive ELISA-based system that detects picogram amounts of exosomal phospholipid in plasma as a cancer biomarker. METHODS: This report describes the development of a highly specific and sensitive ELISA for the capture of PS-expressing tumour exosomes in the blood of tumour-bearing mice...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641286/effect-of-bexarotene-on-platelet-activation-and-apoptosis
#5
Hang Cao, Rosi Bissinger, Anja T Umbach, Meinrad Gawaz, Florian Lang
BACKGROUND/AIMS: The retinoid X receptor (RXRs) stimulator Bexarotene ((4-[1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-2-naphthyl)ethynyl] benzoic acid) is used for the treatment of several malignancies. Bexarotene is at least in part effective by stimulation of apoptosis of tumor cells. Moreover, Bexarotene triggers eryptosis, the suicidal death of erythrocytes. Similar to erythrocytes, blood platelets lack nuclei but are nevertheless able to enter an apoptosis-like phenotype, characterized by caspase activation, cell shrinkage and cell membrane scrambling with phospha-tidylserine translocation to the cell surface...
June 23, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28641281/complementary-and-alternative-medicine-a-clinical-study-in-1-016-hematology-oncology-patients
#6
Marina Hierl, Jochen Pfirstinger, Reinhard Andreesen, Ernst Holler, Stephanie Mayer, Daniel Wolff, Martin Vogelhuber
INTRODUCTION: Surveys state a widespread use of complementary and alternative medicine (CAM) in patients with malignant diseases. CAM methods might potentially interfere with the metabolization of tumor-specific therapy. However, there is little communication about CAM use in hematology/oncology patients between patients, CAM providers, and oncologists. PATIENTS AND METHODS: A self-administered questionnaire was handed out to all patients attending to the hematology/oncology outpatient clinic of Regensburg University Hospital...
June 23, 2017: Oncology
https://www.readbyqxmd.com/read/28641203/current-trends-in-electrochemical-sensing-and-biosensing-of-dna-methylation
#7
REVIEW
Ludmila Krejcova, Lukas Richtera, David Hynek, Jan Labuda, Vojtech Adam
DNA methylation plays an important role in physiological and pathological processes. Several genetic diseases and most malignancies tend to be associated with aberrant DNA methylation. Among other analytical methods, electrochemical approaches have been successfully employed for characterisation of DNA methylation patterns that are essential for the diagnosis and treatment of particular diseases. This article discusses current trends in the electrochemical sensing and biosensing of DNA methylation. Particularly, it provides an overview of applied electrode materials, electrode modifications and biorecognition elements applications with an emphasis on strategies that form the core DNA methylation detection approaches...
June 8, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28641192/obstructive-neonatal-atrial-myxoma
#8
Federica Iezzi, Andrea Quarti, Alessandro Capestro, Marco Pozzi
INTRODUCTION: Cardiac myxoma is a benign neoplasm representing the most common primary cardiac tumor in adults, however it is unusual in neonates. It is represented by an endocardial mass that occupies the cardiac chamber. Although the majority of myxomas are attached to the fossa ovalis of the interatrial septum, they also attach to the walls of the cardiac chambers and to valve leaflets surfaces. Approximately 75% of myxomas are found in the left atrium, 20% are located in the right atrium, and rarely in the ventricles...
June 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28641100/bruton-s-tyrosine-kinase-btk-as-a-promising-target-in-solid-tumors
#9
REVIEW
J Molina-Cerrillo, T Alonso-Gordoa, P Gajate, E Grande
Bruton's tyrosine kinase (BTK) is a non-receptor intracellular kinase that belongs to the TEC-family tyrosine kinases together with bone marrow-expressed kinase (BMX), redundant-resting lymphocyte kinase (RLK), and IL-2 inducible T-Cell kinase (ITK). All these proteins play a key role in the intracellular signaling of both B and T lymphocytes. Recently, some preclinical data have demonstrated that BTK is present in certain tumor subtypes and in other relevant cells that are contributing to the tumor microenvironment such as dendritic cells, macrophages, myeloid derived suppressor cells and endothelial cells...
June 9, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28641074/development-of-novel-antigen-receptors-for-car-t-cell-therapy-directed-toward-solid-malignancies
#10
REVIEW
David Chen, James Yang
Development of chimeric antigen receptor (CAR) T cells have led to remarkable successes in the treatment of B-cell malignancies with anti-CD19 CAR. Here we discuss the development of novel antigen receptors for use in solid malignancies with respect to target antigens, receptor design, and T cell manipulations.
June 1, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28641055/long-term-safety-evaluation-of-natalizumab-for-the-treatment-of-multiple-sclerosis
#11
Marinella Clerico, Carlo Alberto Artusi, Alessandra Di Liberto, Simona Rolla, Valentina Bardina, Pierangelo Barbero, Stefania Federica De Mercanti, Luca Durelli
Introduction Natalizumab is a humanized monoclonal antibody highly effective in relapsing-remitting multiple sclerosis (MS). Important concerns about its safety have been pointed out because of the risk of progressive multifocal leukoencephalopathy (PML), caused by the opportunistic John-Cunningham virus (JCV). Areas covered This review analyzes all the safety aspects related to the use of natalizumab in MS patients. Fatigue and allergic reactions are not-severe adverse events (AEs) occurring more frequently than placebo and no differences in serious AEs (SAE) have been observed comparing to interferon-β1a during clinical trials...
June 22, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28641048/updates-and-current-challenges-in-microrna-research-for-personalized-medicine-in-ovarian-cancer
#12
Victoria Mandilaras, Mégane Vernon, Matthieu Meryet-Figuière, Katherine Karakasis, Bernard Lambert, Laurent Poulain, Amit Oza, Christophe Denoyelle, Stephanie Lheureux
Ovarian cancer (OC) is the second most common and the most lethal of the gynecological malignancies. Currently, there exists no effective screening tool for OC. MicroRNAs (miRNAs) are endogenous 18-23 nucleotide non-coding RNAs that refine gene expression. MiRNAs have been found to be aberrantly expressed in OC tumor tissue as well as detectable in biological fluids such as the blood, urine, and ascites and have been proposed as biomarkers and therapeutic targets for OC. Areas covered: This review summarizes the current knowledge regarding the application of miRNAs as diagnostic, prognostic, and predictive biomarkers in OC...
June 22, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28641032/targeting-rho-gtpase-effector-p21-activated-kinase-4-pak4-suppresses-p-bad-microrna-drug-resistance-axis-leading-to-inhibition-of-pancreatic-ductal-adenocarcinoma-proliferation
#13
Ramzi M Mohammad, Yiwei Li, Irfana Muqbil, Amro Aboukameel, William Senapedis, Erkan Baloglu, Yosef Landesman, Philip A Philip, Asfar S Azmi
Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive and therapy resistant malignancy. Mutant K-Ras, found in >90% of refractory PDAC, acts as a molecular switch activating Rho GTPase signaling that in turn promotes a plethora of pro-survival molecules and oncogenic microRNAs. We investigated the impact of Rho GTPase effector protein p21 activated kinase 4 (PAK4) inhibition on pro-survival p-Bad and oncogenic miRNA signaling. We demonstrate that the dual NAMPT and PAK4 modulators (KPT-9274 and KPT-9307) inhibit PDAC cell proliferation through down-regulation of Bad phosphorylation and up-regulation tumor suppressive miRNAs (miR-145, let-7c, let-7d, miR-34c, miR320 and miR-100)...
June 22, 2017: Small GTPases
https://www.readbyqxmd.com/read/28640942/polyfunctional-response-by-immtac-imcgp100-redirected-cd8-and-cd4-t-cells
#14
Caroline Boudousquie, Giovanna Bossi, Jacob M Hurst, Karolina A Rygiel, Bent K Jakobsen, Namir J Hassan
The success of immune system based cancer therapies depends on a broad immune response engaging a range of effector cells and mechanisms. Immune mobilising monoclonal TCRs against cancer (ImmTAC(™) molecules, fusion proteins consisting of a soluble, affinity enhanced TCR and an anti-CD3 scFv Ab) were previously shown to redirect CD8(+) and CD4(+) T cells against tumours. Here we present evidence that IMCgp100 (ImmTAC recognising a peptide derived from the melanoma-specific protein, gp100, presented by HLA-A*0201) efficiently redirects and activates effector and memory cells from both CD8(+) and CD4(+) repertoires...
June 22, 2017: Immunology
https://www.readbyqxmd.com/read/28640907/accelerometer-measured-levels-of-moderate-to-vigorous-intensity-physical-activity-and-sedentary-time-in-children-and-adolescents-with-chronic-disease-a-systematic-review-and-meta-analysis
#15
Rabha Elmesmari, John J Reilly, Anne Martin, James Y Paton
CONTEXT: Moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) are important for child and adolescent health. OBJECTIVE: To examine habitual levels of accelerometer measured MVPA and ST in children and adolescents with chronic disease, and how these levels compare with healthy peers. METHODS: Data sources: An extensive search was carried out in Medline, Cochrane library, EMBASE, SPORTDiscus and CINAHL from 2000-2017. Study selection: Studies with accelerometer-measured MVPA and/or ST (at least 3 days and 6 hours/day to provide estimates of habitual levels) in children 0-19 years of age with chronic diseases but without co-morbidities that would present major impediments to physical activity...
2017: PloS One
https://www.readbyqxmd.com/read/28640856/correction-msln-gene-silencing-has-an-anti-malignant-effect-on-cell-lines-overexpressing-mesothelin-deriving-from-malignant-pleural-mesothelioma
#16
Ombretta Melaiu, Justin Stebbing, Ylenia Lombardo, Elisa Bracci, Norihisa Uehara, Alessandra Bonotti, Alfonso Cristaudo, Rudy Foddis, Luciano Mutti, Roberto Barale, Federica Gemignani, Georgios Giamas, Stefano Landi
[This corrects the article DOI: 10.1371/journal.pone.0085935.].
2017: PloS One
https://www.readbyqxmd.com/read/28640835/bilateral-blockade-of-mek-and-pi3k-mediated-pathways-downstream-of-mutant-kras-as-a-treatment-approach-for-peritoneal-mucinous-malignancies
#17
Murali R Kuracha, Peter Thomas, Brian W Loggie, Venkatesh Govindarajan
Mucinous colorectal adenocarcinomas (MCAs) are clinically and morphologically distinct from nonmucinous colorectal cancers (CRCs), show a distinct spectrum of genetic alterations (higher KRAS mutations, lower p53, high MUC2), exhibit more aggressive behavior (more prone to peritoneal dissemination and lymph node involvement) and are associated with poorer response to chemotherapy with limited treatment options. Here, we report the effectiveness of combinatorial targeting of two KRAS-mediated parallel pathways in reducing MUC2 production and mucinous tumor growth in vitro and in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28640828/bovine-leukemia-virus-linked-to-breast-cancer-in-australian-women-and-identified-before-breast-cancer-development
#18
Gertrude C Buehring, HuaMin Shen, Daniel A Schwartz, James S Lawson
Bovine leukemia virus (BLV), a common virus of cattle globally, was believed for decades not to infect humans. More recent techniques (in situ PCR and DNA sequencing) enabled detection of BLV in human breast tissue, and determination of its significant association with breast cancer in a US population. Using similar techniques to study 96 Australian women, we report here detection of retrotranscribed BLV DNA in breast tissue of 40/50(80%) of women with breast cancer versus 19/46(41%) of women with no history of breast cancer, indicating an age-adjusted odds ratio and confidence interval of 4...
2017: PloS One
https://www.readbyqxmd.com/read/28640706/adult-glioblastoma
#19
Brian M Alexander, Timothy F Cloughesy
Glioblastoma (GBM) is a rare tumor and one of the most challenging malignancies to treat in all of oncology. Although advances have been made in the treatment of GBM, encouraging outcomes typically are not observed; patients diagnosed with these tumors generally have a dismal prognosis and poor quality of life as the disease progresses. This review summarizes the clinical presentation of GBM, diagnostic methods, evidentiary basis for the current standards of care, and investigational approaches to treat or manage GBM...
June 22, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28640703/integrating-evidence-based-medicine-for-treatment-of-spinal-metastases-into-a-decision-framework-neurologic-oncologic-mechanicals-stability-and-systemic-disease
#20
Ori Barzilai, Ilya Laufer, Yoshiya Yamada, Daniel S Higginson, Adam M Schmitt, Eric Lis, Mark H Bilsky
Patients with cancer are frequently affected by spinal metastases. Treatment is palliative, with the principle goals of pain relief, preservation of neurologic function, and improvement in quality of life. In the past decade, we have witnessed a dramatic change in the treatment paradigms due to the development of improved surgical strategies and systemic and radiation therapy. The most important change to these paradigms has been the integration of spinal stereotactic radiosurgery (SSRS), allowing delivery of tumoricidal radiation doses with sparing of nearby organs at risk...
June 22, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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