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https://www.readbyqxmd.com/read/28431188/t-cell-receptor-%C3%AE-chain-repertoire-analysis-reveals-the-association-between-neoantigens-and-tumour-infiltrating-lymphocytes-in-multifocal-papillary-thyroid-carcinoma
#1
Zheming Lu, Chaoting Zhang, Jindong Sheng, Jing Shen, Baoguo Liu
To explore whether a few non-synonymous somatic mutations could induce activation and proliferation of neoantigen-specific tumour-infiltrating lymphocytes (TILs) in tumours with low mutation rates, we analysed a patient with multifocal papillary thyroid carcinoma (seven non-contiguous cancer foci) to investigate the relationship between neoantigens and TILs. These seven foci had a few or no non-synonymous somatic mutations; moreover, multiple loci had similar or different spectra of mutations. We used high-throughput sequencing of the rearranged genes in T cell receptor β-chain (TCRβ) to reveal the basic characteristics of T cells in seven tumour foci and matched adjacent normal tissue...
April 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28431162/risk-of-serious-bacterial-infection-associated-with-tumour-necrosis-factor-alpha-inhibitors-in-children-with-juvenile-idiopathic-arthritis
#2
Wan-Ju Lee, Todd A Lee, Katie J Suda, Gregory S Calip, Leslie Briars, Glen T Schumock
Objectives.: TNF-α inhibitors (TNFIs) have a black box warning for increased risk of serious infection that was based on evidence from studies of adults. Evidence of the association is lacking for children. We aimed to examine the risk of infection posed by TNFIs compared with DMARDs in children with JIA. Methods.: We conducted a cohort study using the 2009-13 Truven MarketScan Commercial Claims and Encounters database. Children <16 years old with JIA who initiated monotherapy with TNFIs or DMARDs were identified and followed for occurrence of serious bacterial infection requiring hospitalization...
April 18, 2017: Rheumatology
https://www.readbyqxmd.com/read/28431141/grade-and-location-of-power-doppler-are-predictive-of-damage-progression-in-rheumatoid-arthritis-patients-in-clinical-remission-by-anti-tumour-necrosis-factor-%C3%AE
#3
Bernd Raffeiner, Enrico Grisan, Costantino Botsios, Roberto Stramare, Gaia Rizzo, Livio Bernardi, Leonardo Punzi, Francesca Ometto, Andrea Doria
Objectives.: To investigate power Doppler (PD) signal, grade and location and their association with radiographic progression in RA patients in remission. Methods: . A prospective observational study was conducted in 125 consecutive RA patients in stable 28-joint DAS (DAS28) remission (⩾6 months) achieved on anti-TNF-α. At baseline, patients in stable remission underwent radiographic and US examination of the wrists and MCP, PIP and MTP joints. Semi-quantitative PD scoring (0-3) was recorded...
April 20, 2017: Rheumatology
https://www.readbyqxmd.com/read/28430799/diagnostic-and-prognostic-value-of-long-noncoding-rnas-as-biomarkers-in-urothelial-carcinoma
#4
Johanna Droop, Tibor Szarvas, Wolfgang A Schulz, Christian Niedworok, Günter Niegisch, Kathrin Scheckenbach, Michèle J Hoffmann
Many long noncoding RNAs (lncRNAs) are deregulated in cancer and contribute to oncogenesis. In urothelial carcinoma (UC), several lncRNAs have been reported to be overexpressed and proposed as biomarkers. As most reports have not been confirmed independently in large tissue sets, we aimed to validate the diagnostic and prognostic value of lncRNA upregulation in independent cohorts of UC patients. Thus, expression of seven lncRNA candidates (GAS5, H19, linc-UBC1, MALAT1, ncRAN, TUG1, UCA1) was measured by RT-qPCR in cell lines and tissues and correlated to clinicopathological parameters including follow-up data (set 1: N n = 10; T n = 106)...
2017: PloS One
https://www.readbyqxmd.com/read/28430709/vitamin-d3-repressed-astrocyte-activation-following-lipopolysaccharide-stimulation-in-vitro-and-in-neonatal-rats
#5
Ke-Ping Jiao, Shao-Min Li, Wen-Yan Lv, Ming-Liang Jv, Hai-Yan He
Vitamin D3 has been reported to be an immunity modulator and high levels of vitamin D3 are correlated with a decreased risk for developing diseases in the central nervous system. Astrocytes are important immune cells and contribute toward inflammation during neurological diseases. The vitamin D receptor has been reported to be expressed in astrocytes; however, the effect of vitamin D3 on astrocyte activation has not been studied. Here, we found that lipopolysaccharide stimulation in astrocytes could enhance the expression of vitamin D receptor and Cyp27B1, which encodes the enzyme for converting vitamin D3 into its active form...
April 20, 2017: Neuroreport
https://www.readbyqxmd.com/read/28430699/clinical-experience-and-diagnostic-algorithm-of-vulval-crohn-s-disease
#6
Lotte Boxhoorn, Tom J Stoof, Tim de Meij, Frank Hoentjen, Bas Oldenburg, Gerd Bouma, Mark Löwenberg, Adriaan A van Bodegraven, Nanne K H de Boer
BACKGROUND AND AIM: Vulval Crohn's disease (VCD) is a rare extraintestinal cutaneous manifestation of Crohn's disease. No consensus on the diagnostic workup and therapeutic management of this condition has been provided in the current literature. PATIENTS AND METHODS: Retrospective, multicentre descriptive case series of female patients diagnosed and treated with VCD. By chart review, data on initial symptoms, clinical courses, histologic findings and therapeutic management were collected...
April 20, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28430638/adjuvant-celecoxib-and-lanreotide-following-transarterial-chemoembolisation-for-unresectable-hepatocellular-carcinoma-a-randomized-pilot-study
#7
Huan Tong, Bo Wei, Shuang Chen, Yong-Mei Xie, Ming-Guang Zhang, Lin-Hao Zhang, Zhi-Yin Huang, Cheng-Wei Tang
Recurrence of hepatocellular carcinoma (HCC) after transarterial chemoembolisation (TACE) is common due to neoangiogenesis. Cyclooxygenase-2 inhibitors and somatostatin analogues were reported to inhibit tumour angiogenesis. The pilot randomized controlled trial was aimed to prospectively evaluate the protocol of TACE combined with celecoxib and lanreotide (TACE+C+L) in patients with unresectable and advanced HCC. A total of 71 patients with HCC were enrolled and randomly assigned to either TACE (n=35) or TACE+C+L (n=36) group...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430635/unsuccessful-mitosis-in-multicellular-tumour-spheroids
#8
Annie Molla, Morgane Couvet, Jean-Luc Coll
Multicellular spheroids are very attractive models in oncology because they mimic the 3D organization of the tumour cells with their microenvironment. We show here using 3 different cell types (mammary TSA/pc, embryonic kidney Hek293 and cervical cancer HeLa), that when the cells are growing as spheroids the frequency of binucleated cells is augmented as occurs in some human tumours.We therefore describe mitosis in multicellular spheroids by following mitotic markers and by time-lapse experiments. Chromosomes alignment appears to be correct on the metaphasic plate and the passenger complex is well localized on centromere...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430577/synthetic-lethal-interaction-between-the-tumour-suppressor-stag2-and-its-paralog-stag1
#9
Lorena Benedetti, Matteo Cereda, LeeAnn Monteverde, Nikita Desai, Francesca D Ciccarelli
Cohesin is a multi-protein complex that tethers sister chromatids during mitosis and mediates DNA repair, genome compartmentalisation and regulation of gene expression. Cohesin subunits frequently acquire cancer loss-of-function alterations and act as tumour suppressors in several tumour types. This has led to increased interest in cohesin as potential target in anti-cancer therapy. Here we show that the loss-of-function of STAG2, a core component of cohesin and an emerging tumour suppressor, leads to synthetic dependency of mutated cancer cells on its paralog STAG1...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430293/three-cases-of-ectopic-sphenoid-sinus-pituitary-adenoma
#10
Ernest Jan Bobeff, Karol Wiśniewski, Wielisław Papierz, Ludomir Stefańczyk, Dariusz Jan Jaskólski
<i><b>Introduction</b>: Ectopic sphenoid sinus pituitary adenoma is a rare tumour originating from embryologic remnants of Rathke's pouch. Although it is considered a clinically benign neoplasm, necrosis is encountered in 25% of cases and it can invade adjacent bone structures. <b>Aims</b>: To establish clinical, radiological and histopathological features of ectopic sphenoid sinus pituitary adenoma. <b>Material and methods: </b> Analysis of three cases: two females and one man, aged 61-70...
2017: Folia Neuropathologica
https://www.readbyqxmd.com/read/28430287/dysembryoplastic-neuroepithelial-tumour-insight-into-the-pathology-and-pathogenesis
#11
Iwona Sontowska, Ewa Matyja, Jacek Malejczyk, Wieslawa Grajkowska
<i>Dysembryoplastic neuroepithelial tumour (DNT) is categorized as a benign glioneuronal neoplasm affecting children and young adults with chronic epileptic seizures. It is characterized by predominant intracortical localization and nodular architecture. Dysembryoplastic neuroepithelial tumour usually demonstrates a distinctive morphological pattern with a specific glioneuronal element but occasionally, its morphological picture is heterogeneous and unspecific. Thus, considering the morphology of DNT, three different histopathological subtypes are distinguished: simple, complex, and non-specific and diffuse...
2017: Folia Neuropathologica
https://www.readbyqxmd.com/read/28430163/long-non-coding-rnas-key-regulators-of-epithelial-mesenchymal-transition-tumour-drug-resistance-and-cancer-stem-cells
#12
REVIEW
Richard Heery, Stephen P Finn, Sinead Cuffe, Steven G Gray
Epithelial mesenchymal transition (EMT), the adoption by epithelial cells of a mesenchymal-like phenotype, is a process co-opted by carcinoma cells in order to initiate invasion and metastasis. In addition, it is becoming clear that is instrumental to both the development of drug resistance by tumour cells and in the generation and maintenance of cancer stem cells. EMT is thus a pivotal process during tumour progression and poses a major barrier to the successful treatment of cancer. Non-coding RNAs (ncRNA) often utilize epigenetic programs to regulate both gene expression and chromatin structure...
April 21, 2017: Cancers
https://www.readbyqxmd.com/read/28430151/na-k-pump-and-beyond-na-k-atpase-as-a-modulator-of-apoptosis-and-autophagy
#13
REVIEW
Cassiano Felippe Gonçalves-de-Albuquerque, Adriana Ribeiro Silva, Camila Ignácio da Silva, Hugo Caire Castro-Faria-Neto, Patrícia Burth
Lung cancer is a leading cause of global cancer deaths. Na/K-ATPase has been studied as a target for cancer treatment. Cardiotonic steroids (CS) trigger intracellular signalling upon binding to Na/K-ATPase. Normal lung and tumour cells frequently express different pump isoforms. Thus, Na/K-ATPase is a powerful target for lung cancer treatment. Drugs targeting Na/K-ATPase may induce apoptosis and autophagy in transformed cells. We argue that Na/K-ATPase has a role as a potential target in chemotherapy in lung cancer treatment...
April 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28430139/the-metalloproteinase-adam28-promotes-metabolic-dysfunction-in-mice
#14
Lakshini Herat, Caroline Rudnicka, Yasunori Okada, Satsuki Mochizuki, Markus Schlaich, Vance Matthews
Obesity and diabetes are major causes of morbidity and mortality globally. The current study builds upon our previous association studies highlighting that A Disintegrin And Metalloproteinase 28 (ADAM28) appears to be implicated in the pathogenesis of obesity and type 2 diabetes in humans. Our novel study characterised the expression of ADAM28 in mice with the metabolic syndrome and used molecular inhibition approaches to investigate the functional role of ADAM28 in the pathogenesis of high fat diet-induced obesity...
April 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28429995/new-insights-into-the-role-of-dietary-spermine-on-inflammation-immune-function-and-related-signalling-molecules-in-the-thymus-and-spleen-of-piglets
#15
Wei Cao, Xianjian Wu, Gang Jia, Hua Zhao, Xiaoling Chen, Caimei Wu, Jiayong Tang, Jing Wang, Jingyi Cai, Guangmang Liu
This study aimed to determine the effects of dietary spermine supplementation on the inflammatory response and immune function of the thymus and spleen in piglets. Eighty suckling piglets were randomly assigned to receive adequate nutrients supplemented with spermine (0.4 mmol/kg body weight) or restricted nutrient intake supplemented with normal saline for 7 h or 3, 6 and 9 days in pairs. Regardless of treatment time, spermine supplementation decreased (p < 0.05, compared with the controls) the following: (1) tumour necrosis factor α (TNF-α), interleukin (IL)-1β, 2 and 6, and interferon (IFN)-γ levels in serum; (2) gene expression of cluster of differentiation 8 and integrin beta-2 in the thymus and spleen and the lymphocyte function-associated antigen 1 in the thymus; (3) mRNA levels of TNF-α, IL 1β, 2, 6, and 12, IFN-γ and inducible nitric oxide synthase in the thymus and spleen, as well as IL-8 in the spleen; and (4) eukaryotic IF4E-binding protein 1, Janus kinase 2, signal transducer and activator of transcription 3, and nuclear factor-kappa B P65 gene transcriptions in the thymus and spleen...
June 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28429950/-can-robotic-rectal-cancer-surgery-improve-quality-of-total-mesorectal-excision
#16
D Langer, I Tučková, J Kalvach, M Ryska
INTRODUCTION: The introduction of total mesorectal excision (TME) in the 1980s was pivotal in the surgical treatment for rectal carcinoma (RC). Routinely applied TME led to a significant reduction in the incidence of local recurrences. The purpose of our paper is to present the results of our non-randomized study comparing prospectively acquired data from radical resection / rectal extirpation using classic open access, laparoscopy and da Vinci robotic system. METHOD: The study group included 116 patients with RC who underwent radical surgical treatment between 1/2014-12/2016, after which the collected resection specimens were assessed in pathology laboratories of the referring hospital using the Quirkes protocol...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28429862/epidemiology-of-invasive-fungal-diseases-in-children-with-solid-tumours-undergoing-autologous-haematopoietic-stem-cell-transplantation-a-10-year-experience-in-a-tertiary-italian-centre
#17
Paola Tatarelli, Maura Faraci, Ilaria Caviglia, Roberto Bandettini, Giuliana Cangemi, Gian Michele Magnano, Alberto Garaventa, Claudio Viscoli, Elio Castagnola
The objective of the study was to determine the incidence of invasive fungal disease (IFD) in children undergoing autologous haematopoietic stem cell transplantation (auHSCT) for solid tumours (ST). Retrospective study on auHSCT was performed in children with ST (January 2006-December 2015). Data on the number of patient-days at risk (pdr) during the first 30 and 90 days after auHSCT and cases of proven/probable IFDs were collected. Infection rate (IR, episodes/1000 pdr) and proportions and cumulative risk (CR) of IFD were evaluated...
April 21, 2017: Mycoses
https://www.readbyqxmd.com/read/28429830/establishment-and-evaluation-of-a-novel-biomarker-based-nomogram-for-malignant-phaeochromocytomas-and-paragangliomas
#18
Xu Zhong, Lei Ye, TingWei Su, Jing Xie, Weiwei Zhou, Yiran Jiang, Lei Jiang, Guang Ning, Weiqing Wang
OBJECTIVE: No single histological or molecular marker is diagnostic for malignant phaeochromocytomas and paragangliomas (PPGLs). This study aimed to establish and evaluate a prognostic nomogram to improve the prediction of metastatic probability in individual PPGL patients. METHODS: Three hundred and forty-seven consecutive PPGL patients from January 2002 through December 2014 were randomly divided into a training set (n=208) and a validation set (n=139). A multivariate logistic regression analysis of selected prognostic features was performed, and a nomogram to predict metastasis was constructed...
April 21, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28429810/cisplatin-directed-coordination-crosslinking-nanogels-with-thermo-ph-sensitive-triblock-polymers-improvement-on-chemotherapic-efficacy-via-sustained-release-and-drug-retention
#19
Hao Zhao, Jiabao Xu, Jiangshan Wan, Shinan Geng, Han Li, Xiaole Peng, Qianwen Fu, Ming He, Yanbing Zhao, Xiangliang Yang
To realize the sustained release and long-term intratumoural retention of water-soluble cisplatin, thermo/pH-sensitive cisplatin-directed coordination-crosslinking nanogels (Pt-PNA) were developed via the coordination bonds of Pt-carboxyl groups. As the coordination ratio (CR) of the Pt-carboxyl bonds increased from 5% to 35%, the sizes of the Pt-PNA nanogels decreased from 999 nm to 167 nm, and their zeta potentials increased from -35 mV to -13 mV. Only through a simple mixing of cisplatin and PNAs, the entrapment efficiencies (EEs) of the Pt-PNA nanogels reached near 100% (>90%), and the drug-loading amounts (DLs) of cisplatin could achieve up to 25...
April 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28429794/bone-in-culture-array-as-a-platform-to-model-early-stage-bone-metastases-and-discover-anti-metastasis-therapies
#20
Hai Wang, Lin Tian, Amit Goldstein, Jun Liu, Hin-Ching Lo, Kuanwei Sheng, Thomas Welte, Stephen T C Wong, Zbigniew Gugala, Fabio Stossi, Chenghang Zong, Zonghai Li, Michael A Mancini, Xiang H-F Zhang
The majority of breast cancer models for drug discovery are based on orthotopic or subcutaneous tumours. Therapeutic responses of metastases, especially microscopic metastases, are likely to differ from these tumours due to distinct cancer-microenvironment crosstalk in distant organs. Here, to recapitulate such differences, we established an ex vivo bone metastasis model, termed bone-in-culture array or BICA, by fragmenting mouse bones preloaded with breast cancer cells via intra-iliac artery injection. Cancer cells in BICA maintain features of in vivo bone micrometastases regarding the microenvironmental niche, gene expression profile, metastatic growth kinetics and therapeutic responses...
April 21, 2017: Nature Communications
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