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https://www.readbyqxmd.com/read/28454366/gene-signatures-associated-with-drug-resistance-to-irinotecan-and-oxaliplatin-predict-a-poor-prognosis-in-patients-with-colorectal-cancer
#1
Xinrong Sun, Xiang Wang, Wenming Feng, Huihui Guo, Chengwu Tang, Yongliang Lu, Xiaobin Xiang, Ying Bao
The identification of novel survival predictors may help to improve the appropriate management of colorectal cancer (CRC). In the present study, two gene sets associated with irinotecan or oxaliplatin resistance in CRC cell lines were first identified and subsequently applied to the clinical CRC microarray dataset GSE14333. Subsequently, a 60-gene irinotecan resistance-associated signature and a 13-gene oxaliplatin resistance-associated signature were established, which were able to classify CRC patients into high- and low-risk subgroups with varied clinical outcomes [irinotecan-resistance gene signature: hazard ratio (HR)=0...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454358/prognostic-relevance-of-dna-flow-cytometry-in-breast-cancer-revisited-the-25-year-experience-of-the-portuguese-institute-of-oncology-of-lisbon
#2
António E Pinto, Teresa Pereira, Giovani L Silva, Saudade André
The potential prognostic significance of DNA flow cytometric measurements (DNA ploidy and S-phase fraction) in breast cancer remains in dispute. Inconclusive data, primarily due to the lack of consistent standardization and quality control programs, have limited its translation into clinical practice. The aim of the present review, based on the 25-year experience of the Portuguese Institute of Oncology of Lisbon, is to assess the clinical relevance and application of DNA flow cytometry for the prognosis of breast cancer...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454285/stereotactic-radiosurgery-for-brain-metastasis-from-gynecological-malignancies
#3
Ekkehard Kasper, Franziska Ippen, Eric Wong, Eric Uhlmann, Scott Floyd, Anand Mahadevan
Brain metastases are relatively uncommon in gynecological malignancies, and there is limited available data on their management. The present study reports the outcomes of patients with brain metastasis from gynecological malignancies who were treated with stereotactic radiosurgery (SRS). Patients with brain metastasis from a gynecological primary site were treated with SRS using the Cyberknife™ frameless SRS system. Primary lesions were treated with a single fraction of 16-22 Gy. A total of 3 resection cavities were treated with 8 Gy 3 times, meaning a total of 24 Gy, and 1 recurrent lesion was re-irradiated with 5 Gy 5 times, meaning a total of 25 Gy...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454119/anti-proliferative-and-anti-secretory-effects-of-everolimus-on-human-pancreatic-neuroendocrine-tumors-primary-cultures-is-there-any-benefit-from-combination-with-somatostatin-analogs
#4
Amira Mohamed, David Romano, Alexandru Saveanu, Catherine Roche, Manuela Albertelli, Federica Barbieri, Thierry Brue, Patricia Niccoli, Jean-Robert Delpero, Stephane Garcia, Diego Ferone, Tullio Florio, Vincent Moutardier, Flora Poizat, Anne Barlier, Corinne Gerard
Therapeutic management of gastroenteropancreatic neuroendocrine tumors (GEP-NETs) is challenging. The mammalian target of rapamycin (mTOR) inhibitor everolimus recently obtained approval from the Food and Drug Administration for the treatment of patients with advanced pancreatic neuroendocrine tumors (pNETs). Despite its promising antitumor efficacy observed in cell lines, clinical benefit for patients is unsatisfactory. The limited therapeutic potential of everolimus in cancer cells has been attributed to Akt activation due to feedback loops relief following mTOR inhibition...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454112/the-challenge-of-treating-hepatitis-c-virus-associated-cryoglobulinemic-vasculitis-in-the-era-of-anti-cd20-monoclonal-antibodies-and-direct-antiviral-agents
#5
REVIEW
Dario Roccatello, Savino Sciascia, Daniela Rossi, Laura Solfietti, Roberta Fenoglio, Elisa Menegatti, Simone Baldovino
Mixed cryoglobulinemia syndrome (MC) is a systemic vasculitis involving kidneys, joints, skin, and peripheral nerves. While many autoimmune, lymphoproliferative, and neoplastic disorders have been associated with this disorder, hepatitis C virus (HCV) is known to be the etiologic agent in the majority of patients. Therefore, clinical research has focused on anti-viral drugs and, more recently, on the new, highly potent Direct-acting Antiviral Agents (DAAs). These drugs assure sustained virologic response (SVR) rates >90%...
April 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454014/reduced-mouse-allergen-is-associated-with-epigenetic-changes-in-regulatory-genes-but-not-mouse-sensitization-in-asthmatic-children
#6
Rachel L Miller, Hanjie Zhang, Jacqueline Jezioro, Mariangels De Planell Saguer, Stephanie Lovinsky-Desir, Xinhua Liu, Matthew Perzanowski, Adnan Divjan, Wanda Phipatanakul, Elizabeth C Matsui
Chronic exposure to mouse allergen may contribute greatly to the inner-city asthma burden. We hypothesized that reducing mouse allergen exposure may modulate the immunopathology underlying symptomatic pediatric allergic asthma, and that this occurs through epigenetic regulation. To test this hypothesis, we studied a cohort of mouse sensitized, persistent asthmatic inner-city children undergoing mouse allergen-targeted integrated pest management (IPM) vs education in a randomized controlled intervention trial...
April 25, 2017: Environmental Research
https://www.readbyqxmd.com/read/28453946/a-dermatologist-s-approach-to-genitourinary-syndrome-of-menopause
#7
Matthew Hum, Marlene Dytoc
BACKGROUND: Genitourinary syndrome of menopause (GSM) is a debilitating condition caused by hypoestrogenism that presents with vaginal dryness and dyspareunia as well as other genital, sexual, and urinary symptoms. Previously known as atrophic vaginitis, the term GSM is now used. OBJECTIVE: To help familiarise dermatologists with diagnosing and managing GSM. METHODS: In total, 218 articles were identified and reviewed by 2 independent authors using PubMed...
April 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28453841/the-use-of-quinacrine-in-nitroimidazole-resistant-giardia-duodenalis-an-old-drug-for-an-emerging-problem
#8
Ana Requena-Méndez, Pilar Goñi, Encarnación Rubio, Diana Pou, Victoria Fumadó, Silvia Lóbez, Edelweiss Aldasoro, Juan Cabezos, Maria Eugenia Valls, Begoña Treviño, Antonio Federico Martínez Montseny, Antonio Clavel, Joaquim Gascon, José Muñoz
Background.: There is little evidence regarding the management of refractory giardiasis after treatment with nitroimidazoles. This study estimates the proportion of persistent giardiasis in 3 hospitals in Barcelona, describes associated risk factors and genotype, and evaluates the efficacy rate of quinacrine in those with persistent giardiasis. Methods.: A clinical, prospective, observational study was conducted in patients with giardiasis treated with nitroimidazoles...
March 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28453809/in-patients-undergoing-lung-resection-is-it-safe-to-administer-amiodarone-either-as-prophylaxis-or-treatment-of-atrial-fibrillation
#9
Styliani Maria Kolokotroni, Levon Toufektzian, Leanne Harling, Andrea Billè
A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was whether the administration of amiodarone is safe in patients undergoing lung resection either for prophylaxis or treatment of de novo postoperative atrial fibrillation (POAF). A total of 30 papers were identified, of which 13 represented the best evidence to answer the clinical question. The authors, journal, date, study type, country of publication, patient demographics, relevant outcomes and results were tabulated...
May 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28453758/training-programs-on-endoscopic-scoring-systems-for-inflammatory-bowel-disease-lead-to-a-significant-increase-in-interobserver-agreement-among-community-gastroenterologists
#10
Marco Daperno, Michele Comberlato, Fabrizio Bossa, Alessandro Armuzzi, Livia Biancone, Andrea G Bonanomi, Rocco Cosintino, Giovanni Lombardi, Roberto Mangiarotti, Alfredo Papa, Roberta Pica, Luca Grassano, Guido Pagana, Renata D'Incà, Ambrogio Orlando, Fernando Rizzello
Background and Aims: Endoscopic outcomes are increasingly used in clinical trials and in routine practice for inflammatory bowel disease [IBD] in order to reach more objective patient evaluations than possible using only clinical features. However, reproducibility of endoscopic scoring systems used to categorize endoscopic activity has been reported to be suboptimal. The aim of this study was to analyse the inter-rated agreement of non-dedicated gastroenterologists on IBD endoscopic scoring systems, and to explore the effects of a dedicated training programme on agreement...
May 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28453743/targeted-next-generation-sequencing-of-pediatric-neuro-oncology-patients-improves-diagnosis-identifies-pathogenic-germline-mutations-and-directs-targeted-therapy
#11
Cassie N Kline, Nancy M Joseph, James P Grenert, Jessica van Ziffle, Eric Talevich, Courtney Onodera, Mariam Aboian, Soonmee Cha, David R Raleigh, Steve Braunstein, Joseph Torkildson, David Samuel, Michelle Bloomer, Alejandra G de Alba Campomanes, Anuradha Banerjee, Nicholas Butowski, Corey Raffel, Tarik Tihan, Andrew W Bollen, Joanna J Phillips, W Michael Korn, Iwei Yeh, Boris C Bastian, Nalin Gupta, Sabine Mueller, Arie Perry, Theodore Nicolaides, David A Solomon
Background.: Molecular profiling is revolutionizing cancer diagnostics and leading to personalized therapeutic approaches. Herein we describe our clinical experience performing targeted sequencing for 31 pediatric neuro-oncology patients. Methods.: We sequenced 510 cancer-associated genes from tumor and peripheral blood to identify germline and somatic mutations, structural variants, and copy number changes. Results.: Genomic profiling was performed on 31 patients with tumors including 11 high-grade gliomas, 8 medulloblastomas, 6 low-grade gliomas, 1 embryonal tumor with multilayered rosettes, 1 pineoblastoma, 1 uveal ganglioneuroma, 1 choroid plexus carcinoma, 1 chordoma, and 1 high-grade neuroepithelial tumor...
May 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28453621/prevalence-of-malignant-arrhythmia-and-sudden-cardiac-death-in-takotsubo-syndrome-and-its-management
#12
Ibrahim El-Battrawy, Siegfried Lang, Uzair Ansari, Erol Tülümen, Katja Schramm, Christian Fastner, Xiaobo Zhou, Ursula Hoffmann, Martin Borggrefe, Ibrahim Akin
Aims: Recent studies have highlighted that takotsubo syndrome (TTS) is associated with a poor clinical outcome. Our study was conducted to determine the short- and long-term prevalence, recurrence rate and impact of life-threatening arrhythmias (LTA) on the clinical outcome of TTS. Methods and results: Our institutional database constituted a collective of 114 patients diagnosed with TTS between 2003 and 2015. The patient groups, divided according to the presence (n = 13, 11...
April 26, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28453592/-cutaneous-myiasis-due-to-cochliomyia-hominivorax-associated-with-seborrheic-dermatitis
#13
Perla Calderón H, Camilo Rojas E, Werner Apt B, Douglas Castillo O
Myiasis is an infestation of tissues and organs of humans and animals by Diptera larvae (flies, horseflies, mosquitoes). They are located at different body sites, and classified clinically as cutaneous, visceral and cavitary. We report a 26-year-old woman with a history of seborrheic dermatitis and recent trip to Brazil. She presented with a seven days history of suppurating wounds in the parieto-occipital area of the scalp. At physical examination we found three ulcers of approximately 1.5 cm each, with multiple mobile larvae inside...
February 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28453565/risk-factors-and-outcome-of-shigella-encephalopathy-in-bangladeshi-children
#14
Farzana Afroze, Tahmeed Ahmed, Monira Sarmin, Abu Smsb Shahid, K M Shahunja, Lubaba Shahrin, Mohammod Jobayer Chisti
BACKGROUND: Although, Shigella encephalopathy, a serious extra-intestinal complication of shigellosis, significantly increases the risks of death, data are very limited on predicting factors particularly related to electrolyte profiles in children below five years of age with Shigella encephalopathy. Our objective was to determine the clinical as well as laboratory predicting factors and outcome of children with Shigella encephalopathy. METHODOLOGY/PRINCIPAL FINDINGS: In this unmatched case-control design, children aged 2-59 months having a positive stool culture for Shigella and who had their serum electrolytes been done from July 2012 to June 2015 were studied...
April 28, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28453462/up-regulated-mir-221-expression-as-a-molecular-diagnostic-marker-in-laryngeal-squamous-cell-carcinoma-and-its-correlation-with-apaf-1-expression
#15
Samia Hussein, Hala Mosaad, Hayam E Rashed, Mohammad W El-Anwar
BACKGROUND: Despite the improvement in the diagnosis and the management of laryngeal squamous cell carcinoma (LSCC), many patients with advanced-stage have poor prognosis in the form of recurrence, metastasis or death. So, recognition of new molecular markers would facilitate the development of targeted therapies. OBJECTIVES: To investigate miR-221 expression in LSCC and its possible correlation to apoptotic protease activating factor-1 (Apaf-1). Also, we aimed to investigate the association between miR-221 and Apaf-1 expressions and the clinicopathological features of LSCC...
April 21, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28453448/cumulative-trauma-disorders-a-review
#16
Zaheen A Iqbal, Ahmad H Alghadir
BACKGROUND: Cumulative trauma disorder (CTD) is a term for various injuries of the musculoskeletal and nervous systems that are caused by repetitive tasks, forceful exertions, vibrations, mechanical compression or sustained postures. Although there are many studies citing incidence of CTDs, there are fewer articles about its etiology, pathology and management. OBJECTIVE: The aim of our study was to discuss the etiology, pathogenesis, prevention and management of CTDs...
April 21, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28453415/connecting-the-libraries-and-athletics-through-instruction-and-outreach
#17
Lara Sapp, K T L Vaughan
This column describes the approaches taken by librarians and staff at James Madison University (JMU) Libraries & Educational Technologies (LET) to extend library support to university athletics. The model resembles that used for outreach to academic programs and was first adapted to the semi-clinical, nonacademic Strength & Conditioning Department, then to JMU Athletics as a whole. Librarians offered targeted instructional sessions, orientations, and asynchronous learning modules embedded in the learning management system...
April 2017: Medical Reference Services Quarterly
https://www.readbyqxmd.com/read/28453326/management-of-foreign-body-ingestions-in-children-button-batteries-and-magnets
#18
Ronan Kodituwakku, Sarah Palmer, Siba Prosad Paul
Foreign body ingestion and foreign body aspiration commonly affect young children between 6 months and 6 years. A large number of these events remain unwitnessed and asymptomatic while the swallowed foreign body traverses the gastrointestinal tract and is passed in the stool. Recent literature has shown an increase in morbidity associated with button battery and (neomydium) magnet ingestions in children, particularly over the last decade. Early identification and management in a time critical manner is required in cases where button batteries get lodged in the oesophagus or multiple magnets are swallowed...
April 27, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28449531/ablation-of-atrial-fibrillation-single-shot-techniques-poised-to-dominate-rhythm-control-strategies-the-future-is-here
#19
EDITORIAL
Antonis S Manolis
Over the recent years, the advent of single-shot techniques, such as circular catheter and cryoballoon ablation, has ushered in a new era in the catheter ablation approach and rhythm control strategies of patients with atrial fibrillation (AF). These techniques make it easier to navigate the heart and have the potential to decrease the threshold for, expand the access to, and increase patient and physician acceptance of rhythm-control therapies, that may lead to reduction of the AF disease burden and its socioeconomic impact...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449498/trans-tracheostomy-repair-of-tracheo-esophageal-fistula-under-endoscopic-view-in-a-75-year-old-woman
#20
Francesco Paolo Caronia, Alfonso Reginelli, Mario Santini, Roberto Alfano, Sebastiano Trovato, Ettore Arrigo, Alfonso Fiorelli
Tracheo-esophageal fistula is a life-threatening condition for fatal pulmonary complications. Surgery is the treatment of choice. Unfortunately, the most of patients are unfit for surgery and in these cases there is no a standardized management. Herein, we reported a clinical case of a 75-year-old-woman with a tracheoesophageal fistula related to tracheostomy. The fistula was localized 3.5 cm below the vocal folds and extended 3 cm distally. The patient's poor clinical condition contraindicated surgery while the characteristics of fistula prevented any successfully endoscopic repair with standard methods as application of fibrin glue, clipping, or stenting...
March 2017: Journal of Thoracic Disease
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