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https://www.readbyqxmd.com/read/29415982/combination-therapy-with-proteasome-inhibitors-and-tlr-agonists-enhances-tumour-cell-death-and-il-1%C3%AE-production
#1
Anthony C Tang, Seyed M Rahavi, Shan-Yu Fung, Henry Y Lu, Hong Yang, Chinten J Lim, Gregor S Reid, Stuart E Turvey
Proteasome inhibitors have emerged as an effective therapy for the treatment of haematological malignancies; however, their efficacy can be limited by the development of tumour resistance mechanisms. Novel combination strategies including the addition of TLR adjuvants to increase cell death and augment immune responses may help enhance their effectiveness. Although generally thought to inhibit inflammatory responses and NF-κB activation, we found that under specific conditions proteasome inhibitors can promote inflammatory responses by mediating IL-1β maturation and secretion after TLR stimulation...
February 7, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29391334/invasive-fungal-infections-in-patients-with-hematological-malignancies-emergence-of-resistant-pathogens-and-new-antifungal-therapies
#2
Maria N Gamaletsou, Thomas J Walsh, Nikolaos V Sipsas
Invasive fungal infections caused by drug-resistant organisms, are an emerging threat to heavily immunosuppressed patients with haematological malignancies. Modern early antifungal treatment strategies, such as prophylaxis, empirical and pre-emptive therapy result in long term exposure to antifungal agents, which is a major driving force for the development of resistance. The extended use of central venous catheters, the non-linear pharmacokinetics of certain antifungal agents, neutropenia, other forms of intense immunosuppression, and drug toxicities are other contributing factors...
February 2, 2018: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/29374234/prevention-of-invasive-aspergillus-fungal-infections-with-the-suspension-and-delayed-release-tablet-formulations-of-posaconazole-in-patients-with-haematologic-malignancies
#3
Elisabeth Leclerc, David Combarel, Madalina Uzunov, Véronique Leblond, Christian Funck-Brentano, Noël Zahr
Posaconazole is a triazole antifungal used to prevent invasive fungal infections (IFIs) in patients receiving chemotherapy or haemotopoietic stem cell transplantation. Due to highly variable bioavailability of the oral suspension formulation, a delayed-release tablet was developed which showed improved bioavailability. A minimal target posaconazole plasma concentration of 0.7 mg/L is recommended for prophylaxis of IFIs. However, the relationship between plasma concentration of posaconazole and its efficacy against IFIs remains unclear...
January 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29364006/association-of-pretreatment-neutrophil-lymphocyte-ratio-and-outcome-in-emergency-colorectal-cancer-care
#4
R P Palin, A T Devine, G Hicks, D Burke
Introduction The association between the neutrophil-lymphocyte ratio (NLR) and outcome in elective colorectal cancer surgery is well established; the relationship between NLR and the emergency colorectal cancer patient is, as yet, unexplored. This paper evaluates the predictive quality of the NLR for outcome in the emergency colorectal cancer patient. Materials and Methods A total of 187 consecutive patients who underwent emergency surgery for colorectal cancer were included in the study. NLR was calculated from the haematological tests done on admission...
January 24, 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29363279/an-egyptian-hpai-h5n1-isolate-from-clade-2-2-1-2-is-highly-pathogenic-in-an-experimentally-infected-domestic-duck-breed-sudani-duck
#5
M Samir, M Hamed, F Abdallah, V Kinh Nguyen, E A Hernandez-Vargas, F Seehusen, W Baumgärtner, A Hussein, A A H Ali, F Pessler
The highly pathogenic avian influenza (HPAI) H5N1 viruses continue to cause major problems in poultry and can, although rarely, cause human infection. Being enzootic in domestic poultry, Egyptian isolates are continuously evolving, and novel clades vary in their pathogenicity in avian hosts. Considering the importance of domestic ducks as natural hosts of HPAI H5N1 viruses and their likelihood of physical contact with other avian hosts and humans, it is of utmost importance to characterize the pathogenicity of newly emerged HPAI strains in the domestic duck...
January 24, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29362918/clinical-characteristics-and-outcomes-of-cancer-patients-requiring-intensive-care-unit-admission-a-prospective-study
#6
Frank Daniel Martos-Benítez, Andrés Soto-García, Anarelys Gutiérrez-Noyola
PURPOSE: The study was aimed to describe the characteristics of cancer patients admitted to the oncological ICU and to identify clinical features associated with outcomes. METHODS: This is a prospective study (January 2014 to December 2015) of 522 cancer patients consecutively admitted to the oncological ICU. Patients with a length of oncological ICU stay ≤ 1 day were excluded. Demographic and clinical variables were obtained at oncological ICU admission...
January 23, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29361470/prexasertib-a-cell-cycle-checkpoint-kinase-1-and-2-inhibitor-in-brca-wild-type-recurrent-high-grade-serous-ovarian-cancer-a-first-in-class-proof-of-concept-phase-2-study
#7
Jung-Min Lee, Jayakumar Nair, Alexandra Zimmer, Stanley Lipkowitz, Christina M Annunziata, Maria J Merino, Elizabeth M Swisher, Maria I Harrell, Jane B Trepel, Min-Jung Lee, Mohammad H Bagheri, Dana-Adriana Botesteanu, Seth M Steinberg, Lori Minasian, Irene Ekwede, Elise C Kohn
BACKGROUND: High-grade serous ovarian carcinoma is characterised by TP53 mutations, DNA repair defects, and genomic instability. We hypothesised that prexasertib (LY2606368), a cell cycle checkpoint kinase 1 and 2 inhibitor, would be active in BRCA wild-type disease. METHODS: In an open-label, single-centre, two-stage, proof-of-concept phase 2 study, we enrolled women aged 18 years or older with measurable, recurrent high-grade serous or high-grade endometrioid ovarian carcinoma...
January 17, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29331635/sotatercept-with-long-term-extension-for-the-treatment-of-anaemia-in-patients-with-lower-risk-myelodysplastic-syndromes-a-phase-2-dose-ranging-trial
#8
Rami Komrokji, Guillermo Garcia-Manero, Lionel Ades, Thomas Prebet, David P Steensma, Joseph G Jurcic, Mikkael A Sekeres, Jesus Berdeja, Michael R Savona, Odile Beyne-Rauzy, Aspasia Stamatoullas, Amy E DeZern, Jacques Delaunay, Gautam Borthakur, Robert Rifkin, Thomas E Boyd, Abderrhamane Laadem, Bond Vo, Jennie Zhang, Marie Puccio-Pick, Kenneth M Attie, Pierre Fenaux, Alan F List
BACKGROUND: Myelodysplastic syndromes are characterised by ineffective erythropoiesis leading to anaemia. Sotatercept (ACE-011) is a novel activin receptor type IIA fusion protein that acts as a ligand trap to neutralise negative regulators of late-stage erythropoiesis. The aim of the study was to establish a safe and effective dose of sotatercept for the treatment of anaemia in patients with lower-risk myelodysplastic syndromes. METHODS: This open-label, multicentre, dose-ranging, phase 2 trial took place at 11 treatment centres in the USA and France...
January 10, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29325495/management-of-cancer-associated-venous-thromboembolism-a-case-based-practical-approach
#9
Minna Voigtlaender, Florian Langer
In patients with solid tumours or haematological malignancies, venous thromboembolism (VTE) is a leading cause of death and significantly contributes to morbidity and healthcare resource utilization. Current practice guidelines recommend long-term anticoagulation with low-molecular-weight heparin (LMWH) as the treatment of choice for cancer-associated VTE, based on clinical trial data showing an overall improved safety and efficacy profile of LMWH compared to vitamin K antagonists. However, several open questions remain, e...
January 12, 2018: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29310582/identification-of-uncommon-oral-yeasts-from-cancer-patients-by-maldi-tof-mass-spectrometry
#10
Narges Aslani, Ghasem Janbabaei, Mahdi Abastabar, Jacques F Meis, Mahasti Babaeian, Sadegh Khodavaisy, Teun Boekhout, Hamid Badali
BACKGROUND: Opportunistic infections due to Candida species occur frequently in cancer patients because of their inherent immunosuppression. The aim of the present study was to investigate the epidemiology of yeast species from the oral cavity of patients during treatment for oncological and haematological malignancies. METHODS: MALDI-TOF was performed to identify yeasts isolated from the oral cavity of 350 cancer patients. Moreover, antifungal susceptibility testing was performed in according to CLSI guidelines (M27-A3)...
January 8, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29291540/open-splenectomy-for-varicella-zoster-induced-spontaneous-splenic-rupture
#11
Mark Christopher Sykes, Bilal Azhar, Laurence John, Salman Bokhari
INTRODUCTION: Here we present a case of atraumatic splenic rupture secondary to varicella infection requiring emergency splenectomy. The presentation was as would be expected for epstein barr virus (EBV) related splenic injury, which is well documented in the literature. Dermatological findings however suggested varicella zoster, and viral serology subsequently confirmed the diagnosis. PRESENTATION OF CASE: A young Romanian male presented to the emergency department with peritonism without preceding trauma...
December 24, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29280691/the-british-rhinological-society-multidisciplinary-consensus-recommendations-on-the-hospital-management-of-epistaxis
#12
(no author information available yet)
OBJECTIVE: Epistaxis is a common ENT emergency in the UK; however, despite the high incidence, there are currently no nationally accepted guidelines for its management. This paper seeks to recommend evidence-based best practice for the hospital management of epistaxis in adults. METHODS: Recommendations were developed using an Appraisal of Guidelines for Research and Evaluation ('AGREE II') framework. A multifaceted systematic review of the relevant literature was performed and a multidisciplinary consensus event held...
December 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/29223104/improvement-of-relative-survival-in-elderly-patients-with-acute-myeloid-leukaemia-emerging-from-population-based-cancer-registries-in-switzerland-between-2001-and-2013
#13
Annatina Schnegg-Kaufmann, Anita Feller, Helen Baldomero, Alicia Rovo, Markus G Manz, Michael Gregor, Anna Efthymiou, Mario Bargetzi, Urs Hess, Olivier Spertini, Yves Chalandon, Jakob R Passweg, Georg Stussi, Volker Arndt, Nicolas Bonadies
Acute Myeloid Leukaemia (AML) is a rare and heterogeneous haematological malignancy with increasing incidence in the elderly. We performed a population-based, observational analysis of AML cases reported to the Cantonal Cancer Registries in Switzerland. Data was aggregated by the National Institute for Epidemiology and Cancer Registration and stratified for the two time periods 2001-2007 and 2008-2013. Overall, 2351 new AML cases were registered with a stable age-standardised incidence rate (3.0 [95 CI: 2.8-3...
December 6, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29158313/extracellular-vesicle-mediated-cell-cell-communication-in-haematological-neoplasms
#14
REVIEW
Junko H Ohyashiki, Tomohiro Umezu, Kazuma Ohyashiki
Crosstalk between bone marrow tumour cells and surrounding cells, including bone marrow mesenchymal stromal cells (BM-MSCs), endothelial cells and immune cells, is important for tumour growth in haematological neoplasms. In addition to conventional signalling pathways, extracellular vesicles (EVs), which are endosome-derived vesicles containing proteins, mRNAs, lipids and miRNAs, can facilitate modulation of the bone marrow microenvironment without directly contacting non-tumourous cells. In this review, we discuss the current understanding of EV-mediated cell-cell communication in haematological neoplasms, particularly leukaemia and multiple myeloma...
January 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29131870/-low-platelet-usage-haematology-laboratories-to-store-or-not-to-store
#15
M Elmi, B Sirigireddy, J Abukar, D Tchipeva, N Chauhan, D A Tsitsikas
In the UK, hospitals with annual platelet use of less than 500 pools, like our institution, usually do not store platelets on-site and these are only ordered from the national blood service (NBS) when a transfusion is required. In 2016, we piloted routine on-site storage of one pool of A RhD negative PLT. Data were collected retrospectively on units of PLTs ordered from NBS, units transfused to patients, wastage, requirements for emergency deliveries from NBS and overall cost. These were compared to corresponding data from the four preceding years (2012-2015)...
2017: PloS One
https://www.readbyqxmd.com/read/29114398/multi-system-manifestations-of-mycoplasma-pneumoniae-infection-in-a-young-patient
#16
Ibrahim Al Busaidi, Mohammed Al-Amin, Shadin Ibrahim, Abdullah Balkhair, Zied Gaifer
Introduction.Mycoplasma pneumoniae is a small cell-wall-lacking bacterium that belongs to the mycoplasma (Mollicutes) prokaryote micro-organisms. It is a common cause of both upper and lower respiratory tract infections in all age groups. Respiratory illness is the most common manifestation of M. pneumoniae infection; however, extrapulmonary involvement may be present or predominant. The skin, mucus membranes, central nervous system, cardiovascular system, haematopoietic system, kidneys and musculoskeletal system are the most commonly involved extrapulmonary sites...
September 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29111348/nrpa-308-a-new-neuropilin-1-antagonist-exerts-in%C3%A2-vitro-anti-angiogenic-and-anti-proliferative-effects-and-in%C3%A2-vivo-anti-cancer%C3%A2-effects-in-a-mouse-xenograft-model
#17
Wang-Qing Liu, Yves Lepelletier, Matthieu Montès, Lucia Borriello, Rafika Jarray, Renaud Grépin, Bertrand Leforban, Ali Loukaci, Rachid Benhida, Olivier Hermine, Sylvie Dufour, Gilles Pagès, Christiane Garbay, Françoise Raynaud, Reda Hadj-Slimane, Luc Demange
Neuropilin-1 (NRP-1) is an extra-cellular receptor for the main Vascular Endothelial Growth Factor over-expressed in tumour tissues, VEGF-A165. Consequently, NRP-1 is involved in angiogenesis and in tumour growth, and its over-expression is related to a clinical poor prognosis. NRP-1 appears as a major target in oncology, which remains poorly exploited. Herein, we report a new series of 18 small-sized fully organic VEGF-A165/NRP-1 antagonists (NRPas). These compounds share an original scaffold, including two linkers (sulphonamide and amide) and three aromatic cores...
October 28, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29105268/admissions-for-antibiotic-resistant-infections-in-cancer-patients-during-first-year-of-cancer-diagnosis-a-cross-sectional-study
#18
Neli Slavova-Azmanova, Livia Haddow, Harry Hohnen, Geoffrey Coombs, James O Robinson, Angela Ives
In this study, linked Western Australian health data were used to determine presence of an antibiotic-resistant infection (ABRI) for all people diagnosed with a primary invasive cancer in 2009. Of 10 858 cancer cases, 154 (1.42%) had an ABRI. Patients with an ABRI were older (71.5 vs 66 years), and more had died in the year following diagnosis (37.7 vs 20.2%, P < 0.001). The ABRI cohort had a higher proportion of colorectal, genitourinary and haematological cancers (19.5 vs 11.9%; 14.3 vs 9.7% and 16...
November 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29102721/cellular-immunotherapy-for-hematologic-malignancies-beyond-bone-marrow-transplantation
#19
REVIEW
Melita Cirillo, Peter Tan, Marian Sturm, Catherine Cole
Immunotherapy has changed treatment practices for many hematologic malignancies. Even in the current era of targeted therapy, chemotherapy remains the backbone of treatment for many hematologic malignancies, especially in acute leukemias, where relapse remains the major cause of mortality. Application of novel immunotherapies in hematology attempts to harness the killing power of the immune system against leukemia and lymphoma. Cellular immunotherapy is evolving rapidly for high-risk hematologic disorders. Recent advances include chimeric antigen-receptor T cells, mesenchymal stromal/stem cells, dendritic cell tumor vaccines, cytokine-induced killer cells, and virus-specific T cells...
November 26, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29068151/cytomegalovirus-retinitis-in-hiv-negative-patients-associated-conditions-clinical-presentation-diagnostic-methods-and-treatment-strategy
#20
REVIEW
Yinon Shapira, Michael Mimouni, Vicktoria Vishnevskia-Dai
In recent years, numerous reports have tied cytomegalovirus retinitis (CMVR) with multiple systemic conditions in the absence of human immunodeficiency virus (HIV) or acquired immunodeficiency syndrome (AIDS). These range from reports in apparently healthy individuals, through conditions rendering limited immune dysfunction such as advanced age and diabetes mellitus, and finally severe immune dysfunction such as in haematological and rheumatological conditions. Reports are also emerging, suggesting that induced local ocular immunosuppression is a risk factor for CMVR...
October 25, 2017: Acta Ophthalmologica
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