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https://www.readbyqxmd.com/read/28231589/ultrasound-elastography-in-diffuse-and-focal-parotid-gland-lesions
#1
Naglaa Mansour, Benedikt Hofauer, Andreas Knopf
In Europe, ultrasound (US) is the diagnostic gold standard for the visualisation of parotid gland disorders. While high-resolution B-mode US reliably visualises focal lesions, its diagnostic capacity to distinguish tumour entities or to characterise diffuse lesions remains poor. Strain elastography (SE) and shear wave elastography (SWE) are novel imaging techniques that provide additional information about tissue elasticity. SE analyses the strain or displacement in response to force or compression and, therefore, shows the relative tissue elasticity within a selected region of interest (ROI)...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231560/the-expanding-role-of-immunotherapy
#2
REVIEW
Juan Martin-Liberal, María Ochoa de Olza, Cinta Hierro, Alena Gros, Jordi Rodon, Josep Tabernero
The use of agents able to modulate the immune system to induce or potentiate its anti-tumour activity is not a new strategy in oncology. However, the development of new agents such as immune checkpoint inhibitors has achieved unprecedented efficacy results in a wide variety of tumours, dramatically changing the landscape of cancer treatment in recent years. Ipilimumab, nivolumab, pembrolizumab or atezolizumab are now standard of care options in several malignancies and new indications are being approved on a regular basis in different tumours...
February 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28231306/effects-of-adamts14-genetic-polymorphism-and-cigarette-smoking-on-the-clinicopathologic-development-of-hepatocellular-carcinoma
#3
Ming-Jen Sheu, Ming-Ju Hsieh, Ying-Erh Chou, Po-Hui Wang, Chao-Bin Yeh, Shun-Fa Yang, Hsiang-Lin Lee, Yu-Fan Liu
BACKGROUND: ADAMTS14 is a member of the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs), which are proteolytic enzymes with a variety of further ancillary domain in the C-terminal region for substrate specificity and enzyme localization via extracellular matrix association. However, whether ADAMTS14 genetic variants play a role in hepatocellular carcinoma (HCC) susceptibility remains unknown. METHODOLOGY/PRINCIPAL FINDINGS: Four non-synonymous single-nucleotide polymorphisms (nsSNPs) of the ADAMTS14 gene were examined from 680 controls and 340 patients with HCC...
2017: PloS One
https://www.readbyqxmd.com/read/28230776/effects-and-side-effects-of-using-sorafenib-and-sunitinib-in-the-treatment-of-metastatic-renal-cell-carcinoma
#4
REVIEW
Caroline Randrup Hansen, Daniela Grimm, Johann Bauer, Markus Wehland, Nils E Magnusson
In recent years, targeted therapies have proven beneficial in terms of progression-free survival (PFS) and overall survival (OS) in the treatment of metastatic renal cell carcinoma (mRCC). The tyrosine kinase inhibitors (TKIs) sorafenib and sunitinib are included in international clinical guidelines as first-line and second-line therapy in mRCC. Hypertension is an adverse effect of these drugs and the degree of hypertension associates with the anti-tumour effect. Studies have compared newer targeted drugs to sorafenib and sunitinib in terms of PFS, OS, quality of life and safety profiles...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28230714/assessment-of-skeletal-tumour-burden-on-18f-naf-pet-ct-using-a-new-quantitative-method
#5
Paula Lapa, Margarida Marques, Gracinda Costa, Andrei Iagaru, João Pedroso de Lima
PURPOSE: The purpose of this study was to test a method of quantifying skeletal tumour burden with F-NaF PET/CT. PATIENTS AND METHODS: We retrospectively reviewed the charts of 117 patients who underwent F-NaF PET/CT for the detection of bone metastases, 68 women and 49 men, 16-82 years old (mean±SD: 62.9±10.7 years). Mean standardized uptake values (SUVmean) were measured in five anatomic sites to evaluate normal skeleton activity. The influence of sex and age was investigated...
February 22, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28230306/suppression-of-anti-drug-antibodies-to-infliximab-or-adalimumab-with-the-addition-of-an-immunomodulator-in-patients-with-inflammatory-bowel-disease
#6
A S Strik, G R van den Brink, C Ponsioen, R Mathot, M Löwenberg, G R D'Haens
BACKGROUND: Loss of response to anti-tumour necrosis factor (TNF) therapy in patients with inflammatory bowel disease (IBD) is often caused by anti-drug antibody formation with neutralisation of drug effect. Addition of an immunomodulator has been suggested to reduce immunogenicity, leading to regained response. AIM: To investigate whether addition of an immunomodulator to anti-TNF monotherapy could lead to anti-drug antibody suppression and regained clinical response in IBD patients...
February 23, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28230065/in-vivo-evaluation-of-a-novel-format-of-a-bivalent-her3-targeting-and-albumin-binding-therapeutic-affibody-construct
#7
Tarek Z Bass, Maria Rosestedt, Bogdan Mitran, Fredrik Y Frejd, John Löfblom, Vladimir Tolmachev, Stefan Ståhl, Anna Orlova
Overexpression of human epidermal growth factor receptor 3 (HER3) is involved in resistance to several therapies for malignant tumours. Currently, several anti-HER3 monoclonal antibodies are under clinical development. We introduce an alternative approach to HER3-targeted therapy based on engineered scaffold proteins, i.e. affibody molecules. We designed a small construct (22.5 kDa, denoted 3A3), consisting of two high-affinity anti-HER3 affibody molecules flanking an albumin-binding domain ABD, which was introduced for prolonged residence in circulation...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230061/neurofibromatosis-type-1
#8
REVIEW
David H Gutmann, Rosalie E Ferner, Robert H Listernick, Bruce R Korf, Pamela L Wolters, Kimberly J Johnson
Neurofibromatosis type 1 is a complex autosomal dominant disorder caused by germline mutations in the NF1 tumour suppressor gene. Nearly all individuals with neurofibromatosis type 1 develop pigmentary lesions (café-au-lait macules, skinfold freckling and Lisch nodules) and dermal neurofibromas. Some individuals develop skeletal abnormalities (scoliosis, tibial pseudarthrosis and orbital dysplasia), brain tumours (optic pathway gliomas and glioblastoma), peripheral nerve tumours (spinal neurofibromas, plexiform neurofibromas and malignant peripheral nerve sheath tumours), learning disabilities, attention deficits, and social and behavioural problems, which can negatively affect quality of life...
February 23, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28229976/immune-modulation-by-dendritic-cell-based-cancer-vaccines
#9
Chaitanya Kumar, Sakshi Kohli, Poonamalle Parthasarathy Bapsy, Ashok Kumar Vaid, Minish Jain, Venkata Sathya Suresh Attili, Bandana Sharan
The interplay between host immunity and tumour cells has opened the possibility of targeting tumour cells by modulation of the human immune system. Cancer immunotherapy involves the treatment of a tumour by utilizing the recombinant human immune system components to target the pro-tumour microenvironment or by revitalizing the immune system with the ability to kill tumour cells by priming the immune cells with tumour antigens. In this review, current immunotherapy approaches to cancer with special focus on dendritic cell (DC)-based cancer vaccines are discussed...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28229969/microrna-144-inhibits-hepatocellular-carcinoma-cell-proliferation-invasion-and-migration-by-targeting-zfx
#10
Hongbin Bao, Xinguo Li, Hengli Li, Hongli Xing, Binghui Xu, Xianfeng Zhang, Zhaoming Liu
MicroRNA 144 (miR-144), a small non-coding RNA, is frequently dysregulated in human several tumour progression, but its role and the underlying mechanisms in hepatocellular carcinoma (HCC) is poorly investigated. In the present study, the expression of miR-144 was firstly analysed in datasets derived from GSE21362 and TCGA, and then detected in HCC tissues and cell lines by quantitative RT-PCR (qRT-PCR) analysis. MiR-144 was shown to be significantly down-regulated in HCC tissues and cell lines. Subsequently, overexpression of miR-144 was transfected into HCC cell lines so as to investigate its biological function, including MTT, colony formation, and transwell assays...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28229968/cytotoxic-and-toxicogenomic-effects-of-silibinin-in-bladder-cancer-cells-with-different-tp53-status
#11
Daiane Teixeira DE Oliveira, Andre Luiz Ventura Savio, Joao Paulo DE Castro Marcondes, Tatiane Martins Barros, Ludmila Correia Barbosa, Daisy Maria Favero Salvadori, Glenda Nicioli DA Silva
Silibinin is a natural phenol found in the seeds of the milk thistle plant. Recent data have shown its effectiveness for preventing/treating bladder tumours. Therefore, in this study we investigated the cytotoxic and toxicogenetic activity of silibinin in bladder cancer cells with different TP53 statuses. Two bladder urothelial carcinoma cell lines were used: RT4 (wild-type TP53 gene) and T24 (mutated TP53 gene). Cell proliferation, clonogenic survival, apoptosis rates, genotoxicity and relative expression profile of FRAP/mTOR, FGFR3, AKT2 and DNMT1 genes and of miR100 and miR203 were evaluated...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28229963/constitutively-activated-erk-sensitizes-cancer-cells-to-doxorubicin-involvement-of-p53-egfr-erk-pathway
#12
Ratna Kumari, Surbhi Chouhan, Snahlata Singh, Rishi Raj Chhipa, Amrendra Kumar Ajay, Manoj Kumar Bhat
The tumour suppressor gene p53 is mutated in approximately 50% of the human cancers. p53 is involved in genotoxic stress-induced cellular responses. The role of EGFR and ERK in DNA-damage-induced apoptosis is well known. We investigated the involvement of activation of ERK signalling as a consequence of non-functional p53, in sensitivity of cells to doxorubicin. We performed cell survival assays in cancer cell lines with varying p53 status: MCF-7 (wild-type p53, WTp53), MDA MB-468 (mutant p53, MUTp53), H1299 (absence of p53, NULLp53) and an isogenic cell line MCF-7As (WTp53 abrogated)...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28229897/pericardial-metastases-due-to-terminal-ileum-primary-carcinoid-tumour-detected-on-111-in-scintigraphy
#13
D R Ocaña, E E Muñoz, J R García, C P Zarzuela
No abstract text is available yet for this article.
February 17, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28229433/adalimumab-a-review-in-non-infectious-non-anterior-uveitis
#14
Sheridan M Hoy
Adalimumab (Humira(®)) is a tumour necrosis factor (TNF)-α inhibitor available in various countries worldwide, including the USA, Japan and those of the EU, for the treatment of non-infectious intermediate, posterior and panuveitis in adults. It is the first biological agent approved for this indication. In two multinational, phase III studies in adults with active and inactive disease, subcutaneous adalimumab significantly reduced the risk of treatment failure relative to placebo following the tapered withdrawal of corticosteroid therapy...
February 22, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28229074/imaging-of-cholangiocarcinoma
#15
REVIEW
Susann-Cathrin Olthof, Ahmed Othman, Stephan Clasen, Christina Schraml, Konstantin Nikolaou, Malte Bongers
Cholangiocarcinoma (CC) is the second most common primary hepatobiliary tumour, and it is increasing in incidence. Imaging characteristics, behaviour, and therapeutic strategies in CC differ significantly, depending on the morphology and location of the tumour. In cross-sectional imaging, CCs can be classified according to the growth pattern (mass-forming, periductal infiltrating, intraductal) and the location (intrahepatic, perihilar, extrahepatic/distal). The prognosis of CC is unfavourable and surgical resection is the only curative treatment option; thus, early diagnosis (also in recurrent disease) and accurate staging including the evaluation of lymph node involvement and vascular infiltration is crucial...
December 2016: Visceral Medicine
https://www.readbyqxmd.com/read/28228966/objective-image-analysis-of-real-time-three-dimensional-intraoperative-ultrasound-for-intrinsic-brain-tumour-surgery
#16
Sophie J Camp, Vasileios Apostolopoulos, Vasileios Raptopoulos, Amrish Mehta, Kevin O'Neill, Mohammed Awad, Babar Vaqas, David Peterson, Federico Roncaroli, Dipankar Nandi
BACKGROUND: There is growing evidence that maximal surgical resection of primary intrinsic brain tumours is beneficial, both by improving progression free and overall survival and also by facilitating postoperative chemotherapy and radiotherapy. Hence, there has been an increase in the popularity of real-time intraoperative imaging in brain tumour surgery. The complex theatre arrangements, prohibitive cost and prolonged theatre time of intraoperative MRI have restricted its application...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/28228863/medulloblastoma-and-ependymoma-cells-display-increased-levels-of-5-carboxylcytosine-and-elevated-tet1-expression
#17
Ashley Ramsawhook, Lara Lewis, Beth Coyle, Alexey Ruzov
BACKGROUND: Alteration of DNA methylation (5-methylcytosine, 5mC) patterns represents one of the causes of tumorigenesis and cancer progression. Tet proteins can oxidise 5mC to 5-hydroxymethylcytosine (5hmC), 5-formylcytosine and 5-carboxylcytosine (5caC). Although the roles of these oxidised forms of 5mC (oxi-mCs) in cancer pathogenesis are still largely unknown, there are indications that they may be involved in the mechanisms of malignant transformation. Thus, reduction of 5hmC content represents an epigenetic hallmark of human tumours, and according to our recent report, 5caC is enriched in a proportion of breast cancers and gliomas...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28228834/anti-collapsing-response-mediating-protein-5-antibody-positive-paraneoplastic-perioptic-neuritis-without-typical-neurological-symptoms
#18
Nozomi Igarashi, Hiromasa Sawamura, Toshikatsu Kaburaki, Makoto Aihara
A 68-year-old male presented with blurred vision in both eyes. Ophthalmoscopy revealed bilateral prominent disc swelling and vitritis. No systematic neurological symptoms were observed. Magnetic resonance imaging revealed bilateral meningeal enhancement of the optic nerve. Small cell carcinoma was found, and antibodies against collapsing response-mediating protein-5 (CRMP-5) were detected in the serum. Ophthalmological manifestations disappeared during a decrease in tumour size with treatment for the malignancy...
February 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28228711/cutaneous-metastasis-from-breast-tumour-seeding-in-percutaneous-needle-biopsy
#19
Imma Savarese, Federica Scarfì, Alessia Gori, Federica Papi, Antonietta D'Errico, Marta Grazzini, Piero Covarelli, Vincenzo De Giorgi
No abstract text is available yet for this article.
December 2016: Breast Care
https://www.readbyqxmd.com/read/28228644/tumour-evolution-epigenetic-and-genetic-heterogeneity-in-metastasis
#20
Gemma K Alderton
No abstract text is available yet for this article.
February 23, 2017: Nature Reviews. Cancer
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