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https://www.readbyqxmd.com/read/28092924/evaluation-of-the-use-of-rotational-thromboelastometry-in-the-assessment-of-fxi-deficency
#1
G N Pike, A M Cumming, J Thachil, C R M Hay, P H B Bolton-Maggs, J Burthem
INTRODUCTION: The absence of a reliable clinical test to predict bleeding tendency leaves factor XI (FXI)-deficient individuals at risk of overtreatment or under treatment. AIM: To assess whether rotational thromboelastometry has value in detection of FXI deficiency and identification of bleeding tendency. METHODS: Thromboelastometry was measured in whole blood and platelet-rich plasma (PRP) samples containing corn trypsin inhibitor (CTI) from controls (n = 50) and FXI-deficient individuals (n = 93) at tissue factor (TF) 0...
January 16, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28092915/malignant-mixed-m%C3%A3-llerian-tumour-of-the-uterus-analysis-of-44-cases
#2
Silvana Grasso, Vera Loizzi, Valentina Minicucci, Leonardo Resta, Anna Lina Camporeale, Ettore Cicinelli, Gennaro Cormio
OBJECTIVES: The aim of our study was to evaluate the clinicopathological features and prognostic factors of uterine carcinosarcoma. PATIENTS AND METHODS: In this retrospective study, the clinical characteristics of 44 patients with uterine MMMT were evaluated. Survival curves were estimated by the Kaplan-Meier method and compared by the log-rank test. RESULTS: Forty-four patients with uterine carcinosarcoma were referred to our unit between 1995 and 2015...
January 17, 2017: Oncology
https://www.readbyqxmd.com/read/28092843/therapeutic-effects-of-bach1-sirna-on-human-breast-adenocarcinoma-cell-line
#3
Mansoor Aletaha, Behzad Mansoori, Ali Mohammadi, Mehdi Fazeli, Behzad Baradaran
BACKGROUND: Despite the great improvements in clinical and therapeutic techniques in recent years, many advanced breast cancer patients still died of the postoperative recurrence and metastasis of disease. Bach1 plays a role in the development of the invasive phenotypes of cancer, cell division and apoptosis in tumor cells. The aim of this study was to investigate the effect of specific bach1 siRNAs, on the proliferation, migration, invasive, induction of apoptosis, cell cycle arrest and alter EMT related miRNA of MDA-MB-468 cells (breast cancer)...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092815/facile-fabrication-of-fe3o4-octahedra-nanoporous-copper-network-composite-for-high-performance-anode-in-li-ion-batteries
#4
Jiajia Ye, Zhihong Wang, Qin Hao, Binbin Liu, Caixia Xu
Fe3O4 octahedra embedded in conductive nanoporous copper (NPC) network are straightforwardly fabricated by means of alloy refining followed by facile electroless dealloying in mild condition. During selectively dissolving the Al from FeCuAl alloy, the residual Cu atoms assemble to form sponge-like nanostructure, meanwhile the Fe atoms undergo spontaneous oxidation and aggregation to grow into Fe3O4 octahedra travelled through NPC network. Owing to the combination of conductive NPC network, Fe3O4 octahedra exhibit dramatically enhanced lithium storage performances with excellent reversible capacity, enhanced rate performance, as well outstanding cyclability compared with pure Fe3O4 octahedra...
January 11, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28092796/global-open-data-management-in-metabolomics
#5
REVIEW
Kenneth Haug, Reza M Salek, Christoph Steinbeck
Chemical Biology employs chemical synthesis, analytical chemistry and other tools to study biological systems. Recent advances in both molecular biology such as next generation sequencing (NGS) have led to unprecedented insights towards the evolution of organisms' biochemical repertoires. Because of the specific data sharing culture in Genomics, genomes from all kingdoms of life become readily available for further analysis by other researchers. While the genome expresses the potential of an organism to adapt to external influences, the Metabolome presents a molecular phenotype that allows us to asses the external influences under which an organism exists and develops in a dynamic way...
January 13, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28092755/coagulation-flocculation-sequential-with-fenton-or-photo-fenton-processes-as-an-alternative-for-the-industrial-textile-wastewater-treatment
#6
Edison GilPavas, Izabela Dobrosz-Gómez, Miguel Ángel Gómez-García
In this study, the industrial textile wastewater was treated using a chemical-based technique (coagulation-flocculation, C-F) sequential with an advanced oxidation process (AOP: Fenton or Photo-Fenton). During the C-F, Al2(SO4)3 was used as coagulant and its optimal dose was determined using the jar test. The following operational conditions of C-F, maximizing the organic matter removal, were determined: 700 mg/L of Al2(SO4)3 at pH = 9.96. Thus, the C-F allowed to remove 98% of turbidity, 48% of Chemical Oxygen Demand (COD), and let to increase in the BOD5/COD ratio from 0...
January 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28092723/pertuzumab-and-breast-cancer-another-piece-in-the-anti-her2-puzzle
#7
Dr Lorenzo Gerratana, Dr Marta Bonotto, Dr Claudia Bozza, Dr Elena Ongaro, Dr Valentina Fanotto, Dr Giacomo Pelizzari, Prof Fabio Puglisi
The mechanism of action of pertuzumab, a recombinant anti-HER2 humanized monoclonal antibody, is complementary to trastuzumab's. On June 8, 2012, the Food and Drug Administration approved the combination of pertuzumab with trastuzumab and docetaxel as first-line treatment of HER2-positive metastatic breast cancer. Furthermore, pertuzumab is the first drug to be approved in the neoadjuvant setting using a pathological complete response as an endpoint. Areas covered: The review provides insights into the main mechanisms of action of pertuzumab...
January 16, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28092721/use-of-maldi-tof-mass-spectrometry-in-the-battle-against-bacterial-infectious-diseases-recent-achievements-and-future-perspectives
#8
Vassilios Sandalakis, Ioannis Goniotakis, Iosif Vranakis, Dimosthenis Chochlakis, Anna Psaroulaki
Advancements in microbial identification occur increasingly faster as more laboratories explore, refine and extend the use of mass spectrometry in the field of microbiology. Areas covered: This review covers the latest knowledge found in the literature for quick identification of various classes of bacterial pathogens known to cause human infection by the use of MALDI-TOF MS technology. Except for identification of bacterial strains, more researchers try to "battle time" in favor of the patient. These novel approaches to identify bacteria directly from clinical samples and even determine antibiotic resistance are extensively revised and discussed...
January 16, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28092682/limited-heterogeneity-of-known-driver-gene-mutations-among-the-metastases-of-individual-patients-with-pancreatic-cancer
#9
Alvin P Makohon-Moore, Ming Zhang, Johannes G Reiter, Ivana Bozic, Benjamin Allen, Deepanjan Kundu, Krishnendu Chatterjee, Fay Wong, Yuchen Jiao, Zachary A Kohutek, Jungeui Hong, Marc Attiyeh, Breanna Javier, Laura D Wood, Ralph H Hruban, Martin A Nowak, Nickolas Papadopoulos, Kenneth W Kinzler, Bert Vogelstein, Christine A Iacobuzio-Donahue
The extent of heterogeneity among driver gene mutations present in naturally occurring metastases-that is, treatment-naive metastatic disease-is largely unknown. To address this issue, we carried out 60× whole-genome sequencing of 26 metastases from four patients with pancreatic cancer. We found that identical mutations in known driver genes were present in every metastatic lesion for each patient studied. Passenger gene mutations, which do not have known or predicted functional consequences, accounted for all intratumoral heterogeneity...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28092680/utilizing-somatic-mutation-data-from-numerous-studies-for-cancer-research-proof-of-concept-and-applications
#10
D Amar, S Izraeli, R Shamir
Large cancer projects measure somatic mutations in thousands of samples, gradually assembling a catalog of recurring mutations in cancer. Many methods analyze these data jointly with auxiliary information with the aim of identifying subtype-specific results. Here, we show that somatic gene mutations alone can reliably and specifically predict cancer subtypes. Interpretation of the classifiers provides useful insights for several biomedical applications. We analyze the COSMIC database, which collects somatic mutations from The Cancer Genome Atlas (TCGA) as well as from many smaller scale studies...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092679/genome-wide-analysis-of-p53-regulated-transcription-in-myc-driven-lymphomas
#11
C Tonelli, M J Morelli, A Sabò, A Verrecchia, L Rotta, T Capra, S Bianchi, S Campaner, B Amati
The tumour suppressor p53 is a transcription factor that controls cellular stress responses. Here, we dissected the transcriptional programmes triggered upon restoration of p53 in Myc-driven lymphomas, based on the integrated analysis of p53 genomic occupancy and gene regulation. p53 binding sites were identified at promoters and enhancers, both characterized by the pre-existence of active chromatin marks. Only a small fraction of these sites showed the 20 base-pair p53 consensus motif, suggesting that p53 recruitment to genomic DNA was primarily mediated through protein-protein interactions in a chromatin context...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092678/6-phosphofructo-2-kinase-fructose-2-6-biphosphatase-4-is-essential-for-p53-null-cancer-cells
#12
S Ros, J Flöter, I Kaymak, C Da Costa, A Houddane, S Dubuis, B Griffiths, R Mitter, S Walz, S Blake, A Behrens, K M Brindle, N Zamboni, M H Rider, A Schulze
The bifunctional enzyme 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase-4 (PFKFB4) controls metabolic flux through allosteric regulation of glycolysis. Here we show that p53 regulates the expression of PFKFB4 and that p53-deficient cancer cells are highly dependent on the function of this enzyme. We found that p53 downregulates PFKFB4 expression by binding to its promoter and mediating transcriptional repression via histone deacetylases. Depletion of PFKFB4 from p53-deficient cancer cells increased levels of the allosteric regulator fructose-2,6-bisphosphate, leading to increased glycolytic activity but decreased routing of metabolites through the oxidative arm of the pentose-phosphate pathway...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092677/wnt-%C3%AE-catenin-signaling-regulates-mitochondrial-activity-to-alter-the-oncogenic-potential-of-melanoma-in-a-pten-dependent-manner
#13
K Brown, P Yang, D Salvador, R Kulikauskas, H Ruohola-Baker, A M Robitaille, A J Chien, R T Moon, V Sherwood
Aberrant regulation of WNT/β-catenin signaling has a crucial role in the onset and progression of cancers, where the effects are not always predictable depending on tumor context. In melanoma, for example, models of the disease predict differing effects of the WNT/β-catenin pathway on metastatic progression. Understanding the processes that underpin the highly context-dependent nature of WNT/β-catenin signaling in tumors is essential to achieve maximal therapeutic benefit from WNT inhibitory compounds. In this study, we have found that expression of the tumor suppressor, phosphatase and tensin homolog deleted on chromosome 10 (PTEN), alters the invasive potential of melanoma cells in response to WNT/β-catenin signaling, correlating with differing metabolic profiles...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092676/intracellular-il-37b-interacts-with-smad3-to-suppress-multiple-signaling-pathways-and-the-metastatic-phenotype-of-tumor-cells
#14
C Luo, Y Shu, J Luo, D Liu, D-S Huang, Y Han, C Chen, Y-C Li, J-M Zou, J Qin, Y Wang, D Li, S-S Wang, G-M Zhang, J Chen, Z-H Feng
Multiple signaling pathways that promote tumor cell metastasis are differentially activated in low/non-metastatic and metastatic tumor cells, resulting in the differential expression of metastasis-related genes. The underlying mechanism may involve the alterations of the intrinsic negative regulation in tumor cells. Here we report that the differential expression of interleukin-37b (IL-37b) in tumor cells alters the intrinsic negative regulation of signaling pathways, resulting in the difference of metastatic capacity...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092675/unbalancing-p53-mdm2-igf-1r-axis-by-mdm2-activation-restrains-the-igf-1-dependent-invasive-phenotype-of-skin-melanoma
#15
C Worrall, N Suleymanova, C Crudden, I Trocoli Drakensjö, E Candrea, D Nedelcu, S-I Takahashi, L Girnita, A Girnita
Melanoma tumors usually retain wild-type p53; however, its tumor-suppressor activity is functionally disabled, most commonly through an inactivating interaction with mouse double-minute 2 homolog (Mdm2), indicating p53 release from this complex as a potential therapeutic approach. P53 and the tumor-promoter insulin-like growth factor type 1 receptor (IGF-1R) compete as substrates for the E3 ubiquitin ligase Mdm2, making their relative abundance intricately linked. Hence we investigated the effects of pharmacological Mdm2 release from the Mdm2/p53 complex on the expression and function of the IGF-1R...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092674/a-targetable-hb-egf-cited4-axis-controls-oncogenesis-in-lung-cancer
#16
C-H Hsieh, Y-T Chou, M-H Kuo, H-P Tsai, J-L Chang, C-W Wu
Aberrant epidermal growth factor (EGF) receptor (EGFR) signaling contributes to neoplastic initiation and progression in lung. Mutated EGFR has become as an important therapeutic target in lung cancer, whereas targeted treatment is not available for wild-type EGFR or its ligands. In this study, we found that heparin-binding (HB)-EGF, a member of the EGF family, was highly expressed in a subset of lung cancer, proliferation of which was dependent on HB-EGF signaling. Silencing of HB-EGF with RNA interference inhibited cell cycle progression in lung cancer cells...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092673/irf7-regulates-the-development-of-granulocytic-myeloid-derived-suppressor-cells-through-s100a9-transrepression-in-cancer
#17
Q Yang, X Li, H Chen, Y Cao, Q Xiao, Y He, J Wei, J Zhou
Accumulation of myeloid-derived suppressor cells (MDSCs) is one of the major obstacles against achieving appropriate anti-tumor immune responses and successful tumor immunotherapy. Granulocytic MDSCs (G-MDSCs) are common in tumor-bearing hosts. However, the mechanisms regulating the development of MDSCs, especially G-MDSCs, remain poorly understood. In this report, we showed that interferon regulatory factor 7 (IRF7) plays an important role in the development of G-MDSCs, but not monocytic MDSCs. IRF7 deficiency caused significant elevation of G-MDSCs, and therefore enhanced tumor growth and metastasis in mice...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092672/bpgap1-spatially-integrates-jnk-erk-signaling-crosstalk-in-oncogenesis
#18
T Jiang, C Q Pan, B C Low
Simultaneous hyperactivation of stress-activated protein kinase/c-Jun N-terminal protein kinase (SAPK/JNK) and mitogen-activated protein kinase kinase/extracellular signal-regulated kinase (MEK/ERK) signaling cascades has been reported in carcinogenesis. However, how they are integrated to promote oncogenesis remains unknown. By analyzing breast invasive carcinoma database (The Cancer Genome Altas), we found that the mRNA expression levels of both JNK1 and ERK2 are positively correlated with the mRNA level of EEA1, an endosome associated protein, indicating the potential JNK/ERK crosstalk at endosome...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092671/pde4d-promotes-fak-mediated-cell-invasion-in-braf-mutated-melanoma
#19
J Delyon, A Servy, F Laugier, J André, N Ortonne, M Battistella, S Mourah, A Bensussan, C Lebbé, N Dumaz
The cyclic AMP (cAMP) signaling pathway is critical in melanocyte biology for regulating differentiation. It is downregulated by phosphodiesterase (PDE) enzymes, which degrade cAMP itself. In melanoma evidence suggests that inhibition of the cAMP pathway by PDE type 4 (PDE4) favors tumor progression. For example, in melanomas harboring RAS mutations, the overexpression of PDE4 is crucial for MAPK pathway activation and proliferation induced by oncogenic RAS. Here we showed that PDE4D is overexpressed in BRAF-mutated melanoma cell lines, constitutively disrupting the cAMP pathway activation...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092670/neuropilin-1-is-upregulated-in-the-adaptive-response-of-prostate-tumors-to-androgen-targeted-therapies-and-is-prognostic-of-metastatic-progression-and-patient-mortality
#20
B W C Tse, M Volpert, E Ratther, N Stylianou, M Nouri, K McGowan, M L Lehman, S J McPherson, M Roshan-Moniri, M S Butler, J Caradec, C Y Gregory-Evans, J McGovern, R Das, M Takhar, N Erho, M Alshalafa, E Davicioni, E M Schaeffer, R B Jenkins, A E Ross, R J Karnes, R B Den, L Fazli, P A Gregory, M E Gleave, E D Williams, P S Rennie, R Buttyan, J H Gunter, L A Selth, P J Russell, C C Nelson, B G Hollier
Recent evidence has implicated the transmembrane co-receptor neuropilin-1 (NRP1) in cancer progression. Primarily known as a regulator of neuronal guidance and angiogenesis, NRP1 is also expressed in multiple human malignancies, where it promotes tumor angiogenesis. However, non-angiogenic roles of NRP1 in tumor progression remain poorly characterized. In this study, we define NRP1 as an androgen-repressed gene whose expression is elevated during the adaptation of prostate tumors to androgen-targeted therapies (ATTs), and subsequent progression to metastatic castration-resistant prostate cancer (mCRPC)...
January 16, 2017: Oncogene
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