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https://www.readbyqxmd.com/read/28306714/reconstruction-and-signal-propagation-analysis-of-the-syk-signaling-network-in-breast-cancer-cells
#1
Aurélien Naldi, Romain M Larive, Urszula Czerwinska, Serge Urbach, Philippe Montcourrier, Christian Roy, Jérôme Solassol, Gilles Freiss, Peter J Coopman, Ovidiu Radulescu
The ability to build in-depth cell signaling networks from vast experimental data is a key objective of computational biology. The spleen tyrosine kinase (Syk) protein, a well-characterized key player in immune cell signaling, was surprisingly first shown by our group to exhibit an onco-suppressive function in mammary epithelial cells and corroborated by many other studies, but the molecular mechanisms of this function remain largely unsolved. Based on existing proteomic data, we report here the generation of an interaction-based network of signaling pathways controlled by Syk in breast cancer cells...
March 17, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28300669/enhanced-plasma-protein-carbonylation-in-patients-with-myelodysplastic-syndromes
#2
Alžběta Hlaváčková, Jana Štikarová, Kristýna Pimková, Leona Chrastinová, Pavel Májek, Roman Kotlín, Jaroslav Čermák, Jiří Suttnar, Jan Evangelista Dyr
Myelodysplastic syndromes (MDS) represent a heterogeneous group of pre-leukemic disorders, characterized by ineffective hematopoiesis and the abnormal blood cell development of one or more lineages. Oxidative stress, as an important factor in the carcinogenesis of onco-hematological diseases, is also one of the known factors involved in the pathogenesis of MDS. An increase of reactive oxygen species (ROS) may lead to the oxidation of DNA, lipids, and proteins, thereby causing cell damage. Protein carbonylation caused by ROS is defined as an irreversible post-translational oxidative modification of amino acid side chains, and could play an important role in signaling processes...
March 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28279439/erratum-%C3%A3-l%C3%A2-article-%C3%A2-%C3%A2-analysis-of-the-2015%C3%A2-british-guidelines-on-the-prevention-and-management-of-tumor-lysis-syndrome%C3%A2-%C3%A2-rev-med-interne-38-2017-36%C3%A2-43
#3
A Dupré, C Mousseaux, A Bouguerba, S Ayed, J Barchazs, M Boukari, D Goldgran-Toledano, C Bornstain, F Vincent
No abstract text is available yet for this article.
March 6, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28263047/mapping-the-connectome-in-awake-surgery-for-gliomas-an-update
#4
Hugues Duffau
The traditional principle underlying oncological neurosurgery is to remove a tumor mass displacing the brain in order to increase survival. Recently, advances in connectomics enabled an improved understanding of cerebral processing, and led to a paradigmatic shift in tumor surgery based upon interactions between neurooncology and cognitive neurosciences. First, glioma is not a focal tumor invaginated within the parenchyma but a diffuse neoplastic disease migrating in the brain. This concept resulted in a new surgical ideology, i...
March 6, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28252647/casc2c-as-an-unfavorable-prognosis-factor-interacts-with-mir-101-to-mediate-astrocytoma-tumorigenesis
#5
Changhong Liu, Yingnan Sun, Xiaoling She, Chaofeng Tu, Xiping Cheng, Lin Wang, Zhibin Yu, Peiyao Li, Qing Liu, Honghui Yang, Guiyuan Li, Minghua Wu
miR-101 has been suggested as a tumor suppressor, but the promoter methylation and loss of heterozygosity didn't contribute to its low expression in astrocytoma. We investigated the role of a new long non-coding RNA CASC2c binding with miR-101. High CASC2c was positively correlated with astrocytoma progression, and an unfavorable prognosis factor for patients. Knockdown CASC2c inhibited proliferation and tumorgenesis. Overexpression of CASC2c promotes the malignant characteristic of astrocytoma cells.CASC2c directly bound miR-101 and mediated pre-miR-101 processing into mature miR-101, and functions as a competitor of miR-101 target genes such as CPEB1...
March 2, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28249000/stabilization-of-hif-1%C3%AE-and-hif-2%C3%AE-up-regulation-of-mycc-and-accumulation-of-stabilized-p53-constitute-hallmarks-of-cns-pnet-animal-model
#6
Sergey Malchenko, Simone Treiger Sredni, Yingtao Bi, Naira V Margaryan, Jerusha Boyineni, Indra Mohanam, Tadanori Tomita, Ramana V Davuluri, Marcelo B Soares
Recently, we described a new animal model of CNS primitive neuroectodermal tumors (CNS-PNET), which was generated by orthotopic transplantation of human Radial Glial (RG) cells into NOD-SCID mice's brain sub-ventricular zone. In the current study we conducted comprehensive RNA-Seq analyses to gain insights on the mechanisms underlying tumorigenesis in this mouse model of CNS-PNET. Here we show that the RNA-Seq profiles derived from these tumors cluster with those reported for patients' PNETs. Moreover, we found that (i) stabilization of HIF-1α and HIF-2α, which are involved in mediation of the hypoxic responses in the majority of cell types, (ii) up-regulation of MYCC, a key onco-protein whose dysregulation occurs in ~70% of human tumors, and (iii) accumulation of stabilized p53, which is commonly altered in human cancers, constitute hallmarks of our tumor model, and might represent the basis for CNS-PNET tumorigenesis in this model...
2017: PloS One
https://www.readbyqxmd.com/read/28202520/evolution-of-cancer-stem-like-cells-in-endocrine-resistant-metastatic-breast-cancers-is-mediated-by-stromal-microvesicles
#7
Pasquale Sansone, Marjan Berishaj, Vinagolu K Rajasekhar, Claudio Ceccarelli, Qing Chang, Antonio Strillacci, Claudia Savini, Lauren Shapiro, Robert Bowman, Chiara Mastroleo, Sabrina De Carolis, Laura Daly, Alberto Benito-Martin, Fabiana Perna, Nicola Fabbri, John H Healey, Enzo Spisni, Monica Cricca, David Lyden, Massimiliano Bonafé, Jacqueline Bromberg
The hypothesis that microvesicle (MV)-mediated microRNA transfer converts non-cancer stem cells into cancer stem cells (CSCs) leading to therapy resistance remains poorly investigated. Here we provide direct evidence supporting this hypothesis, by demonstrating how MV derived from cancer associated fibroblasts (CAF) transfer miR-221 to promote hormonal therapy resistance (HTR) in models of luminal breast cancer. We determined that CAF-derived MV horizontally transferred miR221 to tumor cells and, in combination with hormone therapy activated an ERlo/Notchhi feed-forward loop responsible for the generation of CD133hi CSC...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28198173/delphi-based-study-and-analysis-of-key-risk-factors-for-invasive-fungal-infection-in-haematological-patients
#8
L Vázquez, M Salavert, J Gayoso, M Lizasoaín, I Ruiz Camps, N Di Benedetto
OBJECTIVE: Mortality caused by invasive fungal infections due to filamentous fungi (IFI-FF) is high. Predisposing factors to IFI-FF are multiple and should be stratified. The objective of this study was to identify key risk factors for IFI-FF in onco-haematological patients in different clinical settings. METHODS: Prospective national Delphi study. Risk factors for IFI-FF in patients with onco-haematological diseases were identified by a systematic review of the literature...
February 14, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28197376/novel-tgf-%C3%AE-inhibitors-ready-for-prime-time-in-onco-immunology
#9
REVIEW
Armand de Gramont, Sandrine Faivre, Eric Raymond
Transforming Growth Factor (TGF)-β inhibitors have been in development for decades with the outmost results of being promising candidates. From the latest clinical results at the 2016 ASCO meeting converging evidences suggest that we have moved from promising to effective drug nominees.
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28194355/response-to-letter-evolving-trends-in-breast-surgery-oncoplastic-to-onco-aesthetic-surgery
#10
Amtul Razzaq Carmichael, Kefah Mokbel
No abstract text is available yet for this article.
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28194354/oncoplastic-to-onco-aesthetic-surgery-a-movement-toward-overtreatment
#11
COMMENT
Mona P Tan
No abstract text is available yet for this article.
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28194033/integrative-analyses-of-transcriptome-sequencing-identify-novel-functional-lncrnas-in-esophageal-squamous-cell-carcinoma
#12
C-Q Li, G-W Huang, Z-Y Wu, Y-J Xu, X-C Li, Y-J Xue, Y Zhu, J-M Zhao, M Li, J Zhang, J-Y Wu, F Lei, Q-Y Wang, S Li, C-P Zheng, B Ai, Z-D Tang, C-C Feng, L-D Liao, S-H Wang, J-H Shen, Y-J Liu, X-F Bai, J-Z He, H-H Cao, B-L Wu, M-R Wang, D-C Lin, H P Koeffler, L-D Wang, X Li, E-M Li, L-Y Xu
Long non-coding RNAs (lncRNAs) have a critical role in cancer initiation and progression, and thus may mediate oncogenic or tumor suppressing effects, as well as be a new class of cancer therapeutic targets. We performed high-throughput sequencing of RNA (RNA-seq) to investigate the expression level of lncRNAs and protein-coding genes in 30 esophageal samples, comprised of 15 esophageal squamous cell carcinoma (ESCC) samples and their 15 paired non-tumor tissues. We further developed an integrative bioinformatics method, denoted URW-LPE, to identify key functional lncRNAs that regulate expression of downstream protein-coding genes in ESCC...
February 13, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28191810/gist-institutional-experience-at-srms-ims-india
#13
Shubhanshu Gupta, Keshri Amit, Ashish Gupta, Tanu Argawal
Gastro-Intestinal Stromal Tumors (GIST) is a malignant, non-epithelial, mesenchymal tumor of the digestive tract that is not uncommon in clinical practice nowadays; diagnosis being based upon immuno-histo-chemical analysis of the resected or biopsied (FNAC) specimen. Abdominal lump with or without intra-luminal bleed is a common mode of presentation. Early diagnosis and appropriate management with surgery and/or Imatinib therapy improves recurrence free survival and may impact overall survival. We present here our institutional experience of four patients, admitted in Onco-Surgery Dept...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28182350/diagnostic-value-of-serum-hsa-mir-92a-in-patients-with-cervical-cancer
#14
Qianqian Kong, Zhenhua Tang, Fenfen Xiang, Jiemin Jiang, Honghong Yue, Rong Wu, Xiangdong Kang
BACKGROUND: Hsa-mir-92a acts as an onco-miRNA and may contribute to the progression and invasion of cervical cancer, which is a common malignant tumor in women worldwide. The objective of the present study was to evaluate whether serum hsa-mir-92a could serve as a diagnostic biomarker for cervical cancer patients. METHODS: The expression levels of hsa-mir-92a were analyzed in the serum of patients with CIN I, CIN II, CIN III, cervical cancer Ia - IIa and compared with those of the control group samples...
February 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28161013/functional-and-oncological-outcomes-following-awake-surgical-resection-using-intraoperative-cortico-subcortical-functional-mapping-for-supratentorial-gliomas-located-in-eloquent-areas
#15
J Pallud, E Dezamis
OBJECTIVE: Glioma survival correlated with the extent of resection and the functional status of the patient. We detailed functional results along with oncological results after a functional-based resection of gliomas located within eloquent regions. MATERIAL AND METHODS: Single centre prospective series of adult patients with gliomas located within eloquent regions, treated with maximal resection according to functional boundaries using intraoperative cortico-subcortical monitoring under awake conditions, with available functional outcomes (language and cognitive assessments, neurological status, ability to work) and oncological outcomes (extent of surgical resection, survivals)...
February 1, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28151390/diagnosis-and-management-of-newly-diagnosed-childhood-autoimmune-haemolytic-anaemia-recommendations-from-the-red-cell-study-group-of-the-paediatric-haemato-oncology-italian-association
#16
Saverio Ladogana, Matteo Maruzzi, Piera Samperi, Silverio Perrotta, Giovanni C Del Vecchio, Lucia D Notarangelo, Piero Farruggia, Federico Verzegnassi, Nicoletta Masera, Paola Saracco, Silvia Fasoli, Maurizio Miano, Gabriella Girelli, Wilma Barcellini, Alberto Zanella, Giovanna Russo
Autoimmune haemolytic anaemia is an uncommon disorder to which paediatric haematology centres take a variety of diagnostic and therapeutic approaches. The Red Cell Working Group of the Italian Association of Paediatric Onco-haematology (Associazione Italiana di Ematologia ed Oncologia Pediatrica, AIEOP) developed this document in order to collate expert opinions on the management of newly diagnosed childhood autoimmune haemolytic anaemia.The diagnostic process includes the direct and indirect antiglobulin tests; recommendations are given regarding further diagnostic tests, specifically in the cases that the direct and indirect antiglobulin tests are negative...
December 16, 2016: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28150831/microrna-mediated-silence-of-onco-lncrna-malat1-in-different-escc-cells-via-ligand-functionalized-hydroxyl-rich-nanovectors
#17
Rui-Quan Li, Yanli Ren, Wenjuan Liu, Wenting Pan, Fu-Jian Xu, Ming Yang
Esophageal squamous cell carcinoma (ESCC) is one of the most lethal malignancies worldwide. Long noncoding RNA (lncRNA) MALAT1 acts as an essential oncogene lncRNA (onco-lncRNA) in the development of ESCC. Down-regulation of onco-lncRNA MALAT1 mediated by microRNA-101 (miR-101) and microRNA-217 (miR-217) has been proved to effectively suppress ESCC. In this study, poly(glycidyl methacrylate)-based star-like polycations with flanking folic acid (FA) ligands and rich hydrophilic hydroxyl groups (denoted as s-PGEA-FA) were proposed as efficient nanovectors to deliver miR-101 and miR-217 for silencing onco-lncRNA MALAT1 in different ESCC cells...
February 2, 2017: Nanoscale
https://www.readbyqxmd.com/read/28131553/-end-of-life-in-specialized-medical-pediatrics-department-a-french-national-survey
#18
Alice Ravanello, Isabelle Desguerre, Sandra Frache, Philippe Hubert, Daniel Orbach, Régis Aubry
AIMS: In France, most of children die in the hospital. This national survey aimed to achieve better understanding of end-of life care in specialized medical pediatrics departments for children facing the end-of-life, identify the available resources, put forward the difficulties encountered by professionals and describe end-of-life paths of children who died in these departments. MATERIAL AND METHODS: This study is based on a nationwide survey conducted among all existing specialized medical pediatrics departments (onco-haematology, neurology, reanimation) in France in 2015...
January 25, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28123076/cardiovascular-disease-in-cancer-survivors
#19
REVIEW
Tochi M Okwuosa, Sarah Anzevino, Ruta Rao
Certain cancer therapies, including radiation therapy and some types of chemotherapies, are associated with increased risk of cardiovascular disease (CVD) and events. Some of these effects such as those presented by anthracyclines, radiation therapy, cisplatin, as well as those presented by hormone therapy for breast cancer-usually taken for many years for some breast and prostate cancers-are long-lasting and associated with cardiovascular events risk more than 20 years after cancer treatment. Cardiovascular testing, diagnostic assessment of suspected cardiovascular symptomatology, as well as laboratory tests for CVD risk factors are imperative...
February 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28117670/exploring-the-ck2-paradox-restless-dangerous-dispensable
#20
REVIEW
Cinzia Franchin, Christian Borgo, Silvia Zaramella, Luca Cesaro, Giorgio Arrigoni, Mauro Salvi, Lorenzo A Pinna
The history of protein kinase CK2 is crowded with paradoxes and unanticipated findings. Named after a protein (casein) that is not among its physiological substrates, CK2 remained in search of its targets for more than two decades after its discovery in 1954, but it later came to be one of the most pleiotropic protein kinases. Being active in the absence of phosphorylation and/or specific stimuli, it looks unsuitable to participate in signaling cascades, but its "lateral" implication in a variety of signaling pathways is now soundly documented...
January 20, 2017: Pharmaceuticals
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