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https://www.readbyqxmd.com/read/28241379/necrotising-fasciitis-as-a-complication-of-odontogenic-infection-a-review-of-management-and-case-series
#1
K Bayetto, A Cheng, P Sambrook
OBJECTIVE: To establish the incidence of head and neck necrotising fasciitis (NF) in the Adelaide Oral and Maxillofacial Surgery Unit. To review the current literature regarding the management of head and neck NF. To determine the evidence for the role of hyperbaric oxygen therapy in the management of NF. METHOD: A retrospective audit of all patients admitted to the Royal Adelaide Hospital Oral and Maxillofacial Surgery Unit 2006-2015 with severe odontogenic infections was carried out...
February 27, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28241368/-benign-multicystic-peritoneal-mesothelioma-bmpm-a%C3%A2-surprising-differential-diagnosis-in-case-of-an-expected-intraabdominal-abscess-formation
#2
Michael Josef Lipp, Maximilian Stanley Jusufi, Christoph Backer, Bernd Feyerabend, Hauke Weilert, Karl Jürgen Oldhafer
The benign multicystic peritoneal mesothelioma is a rare disease. Most frequently, young women in reproductive age are affected by this disease. Nevertheless, there are known cases of multicystic peritoneal mesothelioma in male patients. The pathogenesis remains uncertain. Whereas asbestos fibers can cause the development of malignant mesothelioma, the exposure to asbestos particles cannot induce this type of mesothelioma. An inflammatory genesis is discussed as well as the idea of a neoplastic development...
February 27, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28241268/long-term-outcomes-after-autologous-hematopoietic-stem-cell-transplantation-for-multiple-sclerosis
#3
Paolo A Muraro, Marcelo Pasquini, Harold L Atkins, James D Bowen, Dominique Farge, Athanasios Fassas, Mark S Freedman, George E Georges, Francesca Gualandi, Nelson Hamerschlak, Eva Havrdova, Vassilios K Kimiskidis, Tomas Kozak, Giovanni L Mancardi, Luca Massacesi, Daniela A Moraes, Richard A Nash, Steven Pavletic, Jian Ouyang, Montserrat Rovira, Albert Saiz, Belinda Simoes, Marek Trnený, Lin Zhu, Manuela Badoglio, Xiaobo Zhong, Maria Pia Sormani, Riccardo Saccardi
Importance: Autologous hematopoietic stem cell transplantation (AHSCT) may be effective in aggressive forms of multiple sclerosis (MS) that fail to respond to standard therapies. Objective: To evaluate the long-term outcomes in patients who underwent AHSCT for the treatment of MS in a large multicenter cohort. Design, Setting, and Participants: Data were obtained in a multicenter, observational, retrospective cohort study. Eligibility criteria were receipt of AHSCT for the treatment of MS between January 1995 and December 2006 and the availability of a prespecified minimum data set comprising the disease subtype at baseline; the Expanded Disability Status Scale (EDSS) score at baseline; information on the administered conditioning regimen and graft manipulation; and at least 1 follow-up visit or report after transplant...
February 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28241141/enl-links-histone-acetylation-to-oncogenic-gene-expression-in-acute-myeloid-leukaemia
#4
Liling Wan, Hong Wen, Yuanyuan Li, Jie Lyu, Yuanxin Xi, Takayuki Hoshii, Julia K Joseph, Xiaolu Wang, Yong-Hwee E Loh, Michael A Erb, Amanda L Souza, James E Bradner, Li Shen, Wei Li, Haitao Li, C David Allis, Scott A Armstrong, Xiaobing Shi
Cancer cells are characterized by aberrant epigenetic landscapes and often exploit chromatin machinery to activate oncogenic gene expression programs. Recognition of modified histones by 'reader' proteins constitutes a key mechanism underlying these processes; therefore, targeting such pathways holds clinical promise, as exemplified by the development of bromodomain and extra-terminal (BET) inhibitors. We recently identified the YEATS domain as an acetyl-lysine-binding module, but its functional importance in human cancer remains unknown...
March 1, 2017: Nature
https://www.readbyqxmd.com/read/28241139/transcription-control-by-the-enl-yeats-domain-in-acute-leukaemia
#5
Michael A Erb, Thomas G Scott, Bin E Li, Huafeng Xie, Joshiawa Paulk, Hyuk-Soo Seo, Amanda Souza, Justin M Roberts, Shiva Dastjerdi, Dennis L Buckley, Neville E Sanjana, Ophir Shalem, Behnam Nabet, Rhamy Zeid, Nana K Offei-Addo, Sirano Dhe-Paganon, Feng Zhang, Stuart H Orkin, Georg E Winter, James E Bradner
Recurrent chromosomal translocations producing a chimaeric MLL oncogene give rise to a highly aggressive acute leukaemia associated with poor clinical outcome. The preferential involvement of chromatin-associated factors as MLL fusion partners belies a dependency on transcription control. Despite recent progress made in targeting chromatin regulators in cancer, available therapies for this well-characterized disease remain inadequate, prompting the need to identify new targets for therapeutic intervention. Here, using unbiased CRISPR-Cas9 technology to perform a genome-scale loss-of-function screen in an MLL-AF4-positive acute leukaemia cell line, we identify ENL as an unrecognized gene that is specifically required for proliferation in vitro and in vivo...
March 1, 2017: Nature
https://www.readbyqxmd.com/read/28241049/expression-of-cd133-and-cd44-in-glioblastoma-stem-cells-correlates-with-cell-proliferation-phenotype-stability-and-intra-tumor-heterogeneity
#6
Daniel V Brown, Gulay Filiz, Paul M Daniel, Frédéric Hollande, Sebastian Dworkin, Stephanie Amiridis, Nicole Kountouri, Wayne Ng, Andrew P Morokoff, Theo Mantamadiotis
Glioblastoma (GBM) is a heterogeneous tumor of the brain with a poor prognosis due to recurrence and drug resistance following therapy. Genome-wide profiling has revealed the existence of distinct GBM molecular subtypes that respond differently to aggressive therapies. Despite this, molecular subtype does not predict recurrence or drug resistance and overall survival is similar across subtypes. One of the key features contributing to tumor recurrence and resistance to therapy is proposed to be an underlying subpopulation of resistant glioma stem cells (GSC)...
2017: PloS One
https://www.readbyqxmd.com/read/28240746/epithelial-mesenchymal-transition-promotes-sox2-and-nanog-expression-in-bladder-cancer
#7
Toshiro Migita, Ayano Ueda, Tomokazu Ohishi, Megumi Hatano, Hiroyuki Seimiya, Shin-Ichiro Horiguchi, Fumitaka Koga, Futoshi Shibasaki
Bladder cancer is the most common malignant tumor of the urothelium and is classified into non-muscle-invasive bladder cancer (NMIBC) and muscle-invasive bladder cancer (MIBC). Stemness markers such as SOX2 and NANOG are frequently overexpressed in various aggressive cancers, including MIBC; epithelial-mesenchymal transition (EMT) has been proposed as a potential trigger of stemness in cancers. To determine whether cancer stemness is acquired via EMT in bladder cancer, we studied the effect of EMT on the expression of SOX2 and NANOG in bladder cancer cell lines...
February 27, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28240737/fatty-acid-synthase-regulates-estrogen-receptor-%C3%AE-signaling-in-breast-cancer-cells
#8
J A Menendez, R Lupu
Fatty acid synthase (FASN), the key enzyme for endogenous synthesis of fatty acids, is overexpressed and hyperactivated in a biologically aggressive subset of sex steroid-related tumors, including breast carcinomas. Using pharmacological and genetic approaches, we assessed the molecular relationship between FASN signaling and estrogen receptor alpha (ERα) signaling in breast cancer. The small compound C75, a synthetic slow-binding inhibitor of FASN activity, induced a dramatic augmentation of estradiol (E2)-stimulated, ERα-driven transcription...
February 27, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28240680/inhibition-of-wnt-signaling-reduces-differentiation-and-induces-sensitivity-to-doxorubicin-in-human-malignant-neuroblastoma-sh-sy5y-cells
#9
Junjira Suebsoonthron, Thiranut Jaroonwitchawan, Montarop Yamabhai, Parinya Noisa
Neuroblastoma is one of the most common cancers in infancy, arising from the neuroblasts during embryonic development. This cancer is difficult to treat and resistance to chemotherapy is often found; therefore, clinical trials of novel therapeutic approaches, such as targeted-cancer signaling, could be an alternative for a better treatment. WNT signaling plays significant roles in the survival, proliferation, and differentiation of human neuroblastoma. In this report, WNT signaling of a malignant human neuroblastoma cell line, SH-SY5Y cells, was inhibited by XAV939, a specific inhibitor of the Tankyrase enzyme...
February 24, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28240519/triple-negative-breast-cancer-at-the-university-hospital-mohammed-vi-%C3%A2-oujda
#10
o Al jarroudi, n Abda, Sa Brahmi, S Afqir
Introduction: The triple-negative breast cancer (TNBC), defined by the absence of receptors to oestrogen and progesterone and no histochemical expression of human epidermal receptor -2, is associated with a particularly aggressive behavior. The aim of our study was to determine the clinico-pathological, therapeutic and prognostic features associated with this type of breast cancer in Morocco. Methods: A cohort retrospective study, spread over 3 years, was conducted of 116 breast cancer patients, diagnosed between January 2009 and December 2011 at the Regional Center of Oncology...
1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28240503/tumour-reduction-with-a-cavitron-ultrasonic-surgical-aspirator%C3%A2-in-the-palliative-care-of-anaplastic-thyroid-cancer
#11
J H R Becker, F Ghoor
A 54-year-old woman developed a fungating locally invasive anaplastic thyroid cancer with distant metastases, and was treated with aggressive tumour reduction, using a Cavitron® Ultrasonic Surgical Aspirator. This mode of treatment, applied for the first time in this context, proved to be effective, safe and improved her quality of life.
June 2016: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28240409/underrecognized-clinical-features-of-folliculotropic-mycosis-fungoides-a-large-clinical-series
#12
Can Baykal, Tugba Atci, Sule Ozturk Sari, Algun Polat Ekinci, Nesimi Buyukbabani
BACKGROUND AND OBJECTIVE: A rare variant of mycosis fungoides (MF), folliculotropic MF (FMF) is characterized by a broad clinical spectrum that primarily includes follicle-based lesions but also many atypical clinical manifestations. The objective of the present study was to conduct a clinical analysis of patients with FMF, with a particular focus on highlighting underrecognized dermatological features. PATIENTS AND METHODS: Overall, 27 FMF patients enrolled in our department';s MF registry, which includes 572 patients, were retrospectively reevaluated with regard to demographics, clinical features, treatment modalities, follow-up, and outcomes...
February 27, 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28240396/radicol-a-novel-trinorguaiane-type-sesquiterpene-induces-temozolomide-resistant-glioma-cell-apoptosis-via-er-stress-and-akt-mtor-pathway-blockade
#13
Zong-Yang Li, Ce Zhang, Lei Chen, Bao-Dong Chen, Qing-Zhong Li, Xie-Jun Zhang, Wei-Ping Li
Glioblastoma multiforme (GBM) is the most frequent, lethal and aggressive tumour of the central nervous system (CNS) in adults. Multidrug resistance (MDR) results in undesirable prognosis during GBM chemotherapy. In this study, we determined that Radicol (RAD), a novel trinorguaiane-type sesquiterpene originally isolated from the root of Dictamnus radicis Cortex, exhibited potently cytotoxic effect on temozolomide (TMZ)-resistant GBM cell lines in a dose-dependent manner. Radicol-induced apoptosis was confirmed with Hoechst 33342/propidium iodide and terminal deoxynucleotidyl transferase-mediated biotinylated UTP nick end-labelling (TUNEL) staining...
February 27, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28239944/pancreatoduodenectomy-and-the-risk-of-complications-from-perioperative-fluid-administration
#14
Preetjote Gill, Terence C Chua, Yeqian Huang, Shreya Mehta, Anubhav Mittal, Anthony J Gill, Jaswinder S Samra
BACKGROUND: The dogma of administering sufficient intravenous fluids aggressively to avoid under-resuscitation has recently been challenged. Evidence suggests that excessive perioperative fluid administration may be associated with negative clinical outcomes in gastrointestinal surgery. This study examines the impact of fluid administration on perioperative outcomes in patients undergoing pancreatoduodenectomy (PD). METHODS: A retrospective analysis of 202 patients undergoing PD between January 2004 and August 2015 was performed...
February 27, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28239885/cutaneous-leishmaniasis-associated-with-anti-tumour-necrosis-factor-%C3%AE-drugs-an-emerging-disease
#15
J Marcoval, R M Penín, N Sabé, F Valentí-Medina, M Bonfill-Ortí, L Martínez-Molina
Leishmaniasis is endemic in several geographic areas of the world. In each of these areas, particular species of Leishmania with differing aggressiveness to humans predominate. In the European Mediterranean basin, cutaneous leishmaniasis usually presents with discrete, self-healing skin lesions. Although it is known that tumour necrosis factor (TNF) inhibitors may increase the risk of developing infections such as tuberculosis, there is scarce literature on Leishmania infections in patients treated with these drugs...
February 27, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28239846/inhibition-of-6-phosphofructo-2-kinase-suppresses-fibroblast-like-synoviocytes-mediated-synovial-inflammation-and-joint-destruction-in-rheumatoid-arthritis
#16
Yaoyao Zou, Shan Zeng, Mingcheng Huang, Qian Qiu, Youjun Xiao, Maohua Shi, Zhongping Zhan, Liuqin Liang, Xiuyan Yang, Hanshi Xu
BACKGROUND AND PURPOSE: Abnormal glycolytic metabolism contributes to joint inflammation in rheumatoid arthritis (RA). The aims of this study were to investigate the role of 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 3 (PFKFB3), a bifunctional enzyme that controls the glycolytic rate, in regulating fibroblast-like synoviocyte (FLS)-mediated synovial inflammation and invasiveness in RA. EXPERIMENTAL APPROACH: A specific PFKFB3 inhibitor, PFK15, and siRNA were used to evaluate the role of PFKFB3...
February 27, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28239646/mammary-adipocytes-stimulate-breast-cancer-invasion-through-metabolic-remodeling-of-tumor-cells
#17
Yuan Yuan Wang, Camille Attané, Delphine Milhas, Béatrice Dirat, Stéphanie Dauvillier, Adrien Guerard, Julia Gilhodes, Ikrame Lazar, Nathalie Alet, Victor Laurent, Sophie Le Gonidec, Denis Biard, Caroline Hervé, Frédéric Bost, Guo Sheng Ren, Françoise Bono, Ghislaine Escourrou, Marc Prentki, Laurence Nieto, Philippe Valet, Catherine Muller
In breast cancer, a key feature of peritumoral adipocytes is their loss of lipid content observed both in vitro and in human tumors. The free fatty acids (FFAs), released by adipocytes after lipolysis induced by tumor secretions, are transferred and stored in tumor cells as triglycerides in lipid droplets. In tumor cell lines, we demonstrate that FFAs can be released over time from lipid droplets through an adipose triglyceride lipase-dependent (ATGL-dependent) lipolytic pathway. In vivo, ATGL is expressed in human tumors where its expression correlates with tumor aggressiveness and is upregulated by contact with adipocytes...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28239645/pml-promotes-metastasis-of-triple-negative-breast-cancer-through-transcriptional-regulation-of-hif1a-target-genes
#18
Manfredi Ponente, Letizia Campanini, Roberto Cuttano, Andrea Piunti, Giacomo A Delledonne, Nadia Coltella, Roberta Valsecchi, Alessandra Villa, Ugo Cavallaro, Linda Pattini, Claudio Doglioni, Rosa Bernardi
Elucidating the molecular basis of tumor metastasis is pivotal for eradicating cancer-related mortality. Triple-negative breast cancer (TNBC) encompasses a class of aggressive tumors characterized by high rates of recurrence and metastasis, as well as poor overall survival. Here, we find that the promyelocytic leukemia protein PML exerts a prometastatic function in TNBC that can be targeted by arsenic trioxide. We found that, in TNBC patients, constitutive HIF1A activity induces high expression of PML, along with a number of HIF1A target genes that promote metastasis at multiple levels...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28239551/genome-wide-chromatin-accessibility-dna-methylation-and-gene-expression-analysis-of-histone-deacetylase-inhibition-in-triple-negative-breast-cancer
#19
Matias A Bustos, Matthew P Salomon, Nellie Nelson, Sandy C Hsu, Maggie L DiNome, Dave S B Hoon, Diego M Marzese
Triple-negative breast cancer (TNBC), especially the subset with a basal phenotype, represents the most aggressive subtype of breast cancer. Unlike other solid tumors, TNBCs harbor a low number of driver mutations. Conversely, we and others have demonstrated a significant impact of epigenetic alterations, including DNA methylation and histone post-translational modifications, affecting TNBCs. Due to the promising results in pre-clinical studies, histone deacetylase inhibitors (HDACi) are currently being tested in several clinical trials for breast cancer and other solid tumors...
June 2017: Genomics Data
https://www.readbyqxmd.com/read/28239549/red-legged-partridge-alectoris-rufa-de-novo-transcriptome-assembly-and-identification-of-gene-related-markers
#20
Natalia Sevane, Javier Cañon, Paulina G Eusebi, Ignacio Gil, Susana Dunner
The red-legged partridge (Alectoris rufa) has a great socio-economic importance as a game species and is reared by millions in farms in several European countries. The ability to respond to a wide spectrum of pathogens and environmental changes is key for farm-reared animals that, as such, face even higher pathogen exposure and specifically for those submitted to restocking programs. In this study, RNA-sequencing and de-novo assembly of genes expressed in different immune tissues were performed. The raw FASTQ files were submitted to the NCBI SRA database with accession number PRJNA289204...
March 2017: Genomics Data
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