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https://www.readbyqxmd.com/read/28213364/safety-and-antitumor-activity-of-apalutamide-arn-509-in-metastatic-castration-resistant-prostate-cancer-with-and-without-prior-abiraterone-acetate-and-prednisone
#1
Dana E Rathkopf, Emmanuel S Antonarakis, Neal D Shore, Ronald F Tutrone, Joshi J Alumkal, Charles J Ryan, Mansoor Saleh, Ralph J Hauke, Rajesh Bandekar, Edna Chow Maneval, Carla J de Boer, Margaret K Yu, Howard I Scher
PURPOSE: To evaluate the efficacy of apalutamide before or after treatment with abiraterone acetate and prednisone (AAP) in patients with progressive metastatic castration-resistant prostate cancer (mCRPC). EXPERIMENTAL DESIGN: Two cohorts were studied: AAP-naïve and post-AAP patients who had received ≥6 months of AAP. Patients had progressive mCRPC per rising prostate-specific antigen (PSA) and/or imaging, without prior chemotherapy exposure. All received apalutamide 240 mg/day...
February 17, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28213089/monoglyceride-lipase-as-a-drug-target-at-the-crossroads-of-arachidonic-acid-metabolism-and-endocannabinoid-signaling
#2
REVIEW
Gernot F Grabner, Robert Zimmermann, Rudolf Schicho, Ulrike Taschler
Monoglyerides (MGs) are short-lived, intermediary lipids deriving from the degradation of phospho- and neutral lipids, and monoglyceride lipase (MGL), also designated as monoacylglycerol lipase (MAGL), is the major enzyme catalyzing the hydrolysis of MGs into glycerol and fatty acids. This distinct function enables MGL to regulate a number of physiological and pathophysiological processes since both MGs and fatty acids can act as signaling lipids or precursors thereof. The most prominent MG species acting as signaling lipid is 2-arachidonoylglycerol (2-AG) which is the most abundant endogenous agonist of cannabinoid receptors in the body...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28212789/laboratory-diagnosis-of-echinococcus-spp-in-human-patients-and-infected-animals
#3
M Siles-Lucas, A Casulli, F J Conraths, N Müller
Among the species composing the genus Echinococcus, four species are of human clinical interest. The most prevalent species are Echinococcus granulosus and Echinococcus multilocularis, followed by Echinococcus vogeli and Echinococcus oligarthrus. The first two species cause cystic echinococcosis (CE) and alveolar echinococcosis (AE) respectively. Both diseases have a complex clinical management, in which laboratory diagnosis could be an adjunctive to the imaging techniques. To date, several approaches have been described for the laboratory diagnosis and followup of CE and AE, including antibody, antigen and cytokine detection...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28210261/a-comprehensive-gene-expression-meta-analysis-identifies-novel-immune-signatures-in-rheumatoid-arthritis-patients
#4
Sumbul Afroz, Jeevan Giddaluru, Sandeep Vishwakarma, Saima Naz, Aleem Ahmed Khan, Nooruddin Khan
Rheumatoid arthritis (RA), a symmetric polyarticular arthritis, has long been feared as one of the most disabling forms of arthritis. Identification of gene signatures associated with RA onset and progression would lead toward development of novel diagnostics and therapeutic interventions. This study was undertaken to identify unique gene signatures of RA patients through large-scale meta-profiling of a diverse collection of gene expression data sets. We carried out a meta-analysis of 8 publicly available RA patients' (107 RA patients and 76 healthy controls) gene expression data sets and further validated a few meta-signatures in RA patients through quantitative real-time PCR (RT-qPCR)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28209329/prognostic-factors-of-hemorrhagic-complications-after-oxaliplatin-based-hyperthermic-intraperitoneal-chemotherapy-toward-routine-preoperative-dosage-of-von-willebrand-factor
#5
J-B Delhorme, L Sattler, F Severac, E Triki, I Gross, B Romain, S Rohr, L Grunebaum, C Brigand
BACKGROUND: Oxaliplatin-based hyperthermic intraperitoneal chemotherapy (HIPEC-ox) induces specific morbidity with hemorrhagic complications (HC). The aim of this study was to identify preoperative, intraoperative and postoperative HC predictive factors after HIPEC-ox. METHODS: A prospective single center study that included all consecutive patients treated with curative-intent HIPEC-ox, whatever the origin of peritoneal disease, was conducted. All patients underwent systematic blood tests exploring primary hemostasis and endothelial activation before surgical incision (D0) and on postoperative days 2 (POD2) and 5 (POD5)...
February 2, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28209207/recombinant-%C3%AE-actinin-subunit-antigens-of-trichomonas-vaginalis-as-potential-vaccine-candidates-in-protecting-against-trichomoniasis
#6
Yi-Ting Xie, Jiang-Mei Gao, Ya-Ping Wu, Petrus Tang, Geoff Hide, De-Hua Lai, Zhao-Rong Lun
BACKGROUND: Human trichomoniasis caused by Trichomonas vaginalis is one of the most common sexually transmitted diseases with more than 200 million cases worldwide. It has caused a series of health problems to patients. For prevention and control of infectious diseases, vaccines are usually considered as one of the most cost-efficient tools. However, until now, work on the development of T. vaginalis vaccines is still mainly focused on the screening of potential immunogens. Alpha-actinin characterized by high immunogenicity in T...
February 16, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28208616/immunoinformatics-features-linked-to-leishmania-vaccine-development-data-integration-of-experimental-and-in-silico-studies
#7
Rory C F Brito, Frederico G Guimarães, João P L Velloso, Rodrigo Corrêa-Oliveira, Jeronimo C Ruiz, Alexandre B Reis, Daniela M Resende
Leishmaniasis is a wide-spectrum disease caused by parasites from Leishmania genus. There is no human vaccine available and it is considered by many studies as apotential effective tool for disease control. To discover novel antigens, computational programs have been used in reverse vaccinology strategies. In this work, we developed a validation antigen approach that integrates prediction of B and T cell epitopes, analysis of Protein-Protein Interaction (PPI) networks and metabolic pathways. We selected twenty candidate proteins from Leishmania tested in murine model, with experimental outcome published in the literature...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208270/ceramic-based-multisite-platinum-microelectrode-arrays-morphological-characteristics-and-electrochemical-performance-for-extracellular-oxygen-measurements-in-brain-tissue
#8
Ana Ledo, Cátia F Lourenço, João Laranjinha, Christopher M A Brett, Greg A Gerhardt, Rui M Barbosa
Ceramic-based multisite Pt microelectrode arrays (MEAs) were characterized for their basic electrochemical characteristics and used for in vivo measurements of oxygen with high resolution in the brain extracellular space. The microelectrode array sites showed a very smooth surface mainly composed of thin-film polycrystalline Pt, with some apparent nanoscale roughness that was not translated into an increased electrochemical active surface area. The electrochemical cyclic voltammetric behavior was characteristic of bulk Pt in both acidic and neutral media...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28208058/monitoring-of-macrophage-accumulation-in-statin-treated-atherosclerotic-mouse-model-using-sodium-iodide-symporter-imaging-system
#9
Ran Ji Yoo, Min Hwan Kim, Sang-Keun Woo, Kwang Il Kim, Tae Sup Lee, Yang-Kyu Choi, Joo Hyun Kang, Sang Moo Lim, Yong Jin Lee
INTRODUCTION: Macrophages play a key role in atherosclerotic plaque formation in atherosclerosis, but its detailed understanding has poorly investigated until now. Thus, we sought to demonstrate a noninvasive technique for macrophage tracking to atherosclerotic lesions in apolipoprotein E(-/-)(ApoE(-/-)) mice with an imaging system based on sodium iodide symporter (NIS) gene coupled with (99m)Tc-single-photon emission computed tomography (SPECT). METHODS AND RESULTS: Macrophage cells (RAW264...
January 25, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28207986/novel-multiplex-assay-platforms-to-detect-influenza-a-hemagglutinin-subtype-specific-antibody-responses-for-high-throughput-and-in-field-applications
#10
Zhu-Nan Li, Jessica F Trost, Kimberly M Weber, Elizabeth H LeMasters, Sharifa Nasreen, Javan Esfandiari, Angelo H Gunasekera, Megan McCausland, Katharine Sturm-Ramirez, Jens Wrammert, Sean Gregory, Vic Veguilla, James Stevens, Joseph D Miller, Jacqueline M Katz, Min Z Levine
BACKGROUND: Detections of influenza A subtype specific antibody responses are often complicated by the presence of cross-reactive antibodies. We developed two novel multiplex platforms for antibody detection. The multiplexed magnetic fluorescence microsphere immunoassay (MAGPIX) is a high throughput laboratory-based assay. Chembio Dual Path Platform (DPP) is a portable and rapid test that could be used in the field. METHODS: Twelve recombinant globular head domain hemagglutinin (GH HA1) antigens from A(H1N1)pdm09 (pH1N1), A(H2N2), A(H3N2), A(H5N1), A(H7N9), A(H9N2), A(H13N9), B/Victoria lineage, B/Yamagata lineage viruses, and protein A control were used...
February 16, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/28205429/-pneumococcal-arthritis-in-paediatric-population
#11
G Barbeito-Castiñeiras, M Guinda-Giménez, O Cores-Calvo, M Hernández-Blanco, F Pardo-Sánchez
OBJECTIVE: Cases of septic arthritis in paediatric population by Streptococcus pneumoniae in the Health Area of Santiago de Compostela (Spain) were reviewed. METHODS: A retrospective study from January 2005 to March 2014 was conducted for all S. pneumoniae isolates obtained from joint fluids in children. RESULTS: From the 7,416 joint fluids received in the Microbiology Department, 77 belonged to paediatric patients, and of these, only 8 had positive culture...
February 16, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28205408/rna-processing-and-protein-expression-of-hla-b-07-44n
#12
A Balas, F García-Sánchez, J L Vicario
BACKGROUND: The assignment of human leukocyte antigen (HLA) null alleles is clinically relevant in the setting of stem cell transplantation. Cell surface expression profiling and mRNA processing analysis of the HLA-B allele previously designated as B*07:44, have been performed. MATERIALS AND METHODS: Cell surface expression of HLA-B*07:44 was determined using flow cytometry. Genomic full-length and HLA-B*07-specific cDNA sequencing were carried out by Sanger procedure...
February 15, 2017: HLA
https://www.readbyqxmd.com/read/28202777/nodding-syndrome-may-be-an-autoimmune-reaction-to-the-parasitic-worm-onchocerca-volvulus
#13
Tory P Johnson, Richa Tyagi, Paul R Lee, Myoung-Hwa Lee, Kory R Johnson, Jeffrey Kowalak, Abdel Elkahloun, Marie Medynets, Alina Hategan, Joseph Kubofcik, James Sejvar, Jeffrey Ratto, Sudhir Bunga, Issa Makumbi, Jane R Aceng, Thomas B Nutman, Scott F Dowell, Avindra Nath
Nodding syndrome is an epileptic disorder of unknown etiology that occurs in children in East Africa. There is an epidemiological association with Onchocerca volvulus, the parasitic worm that causes onchocerciasis (river blindness), but there is limited evidence that the parasite itself is neuroinvasive. We hypothesized that nodding syndrome may be an autoimmune-mediated disease. Using protein chip methodology, we detected autoantibodies to leiomodin-1 more abundantly in patients with nodding syndrome compared to unaffected controls from the same village...
February 15, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28199859/structure-of-the-lps-o-chain-from-fusobacterium-nucleatum-strain-10953-containing-sialic-acid
#14
Evgeny Vinogradov, Frank St Michael, Kiyonobu Homma, Ashu Sharma, Andrew D Cox
Fusobacterium nucleatum is an anaerobic bacterium found in the human mouth where it causes periodontitis. Recently, it has been gaining attention as a potential causative agent for colorectal cancer and is strongly linked with pregnancy complications including pre-term and still births. Little is known about virulence factors of this organism and thus we have initiated studies to examine the bacterial surface glycochemistry. Consistent with a recent paper suggesting that F. nucleatum strain 10593 can synthesize sialic acid, a staining technique identified sialic acid on the bacterial surface...
January 28, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28199836/bcr-and-endosomal-tlr-signals-synergize-to-increase-aid-expression-and-establish-central-b-cell-tolerance
#15
Masayuki Kuraoka, Pilar B Snowden, Takuya Nojima, Laurent Verkoczy, Barton F Haynes, Daisuke Kitamura, Garnett Kelsoe
Activation-induced cytidine deaminase (AID) is required to purge autoreactive immature and transitional-1 (immature/T1) B cells at the first tolerance checkpoint, but how AID selectively removes self-reactive B cells is unclear. We now show that B cell antigen receptor (BCR) and endosomal Toll-like receptor (TLR) signals synergize to elicit high levels of AID expression in immature/T1 B cells. This synergy is restricted to ligands for endocytic TLR and requires phospholipase-D activation, endosomal acidification, and MyD88...
February 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/28199784/allosensitization-following-bone-graft
#16
Eoin D O'Sullivan, Richard K Battle, Sharon Zahra, John F Keating, Lorna P Marson, David M Turner
It is recognised that patients may become sensitized to donor-specific HLA antigens as a result of previous antigenic exposures, classically through previous transplantation, pregnancy or blood transfusion. We present an unusual case of a patient who unexpectedly developed a range of anti-HLA antibodies following orthopaedic surgery where a bone graft was deployed intraoperatively. We describe the case of a 52-year-old male awaiting a renal transplantation, undergoing elective orthopaedic surgery requiring a small volume bone graft...
February 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28198830/-final-common-pathway-of-human-cancer-immunotherapy-targeting-random-somatic-mutations
#17
REVIEW
Eric Tran, Paul F Robbins, Steven A Rosenberg
Effective clinical cancer immunotherapies, such as administration of the cytokine IL-2, adoptive cell transfer (ACT) and the recent success of blockade of the checkpoint modulators CTLA-4 and PD-1, have been developed without clear identification of the immunogenic targets expressed by human cancers in vivo. Immunotherapy of patients with cancer through the use of ACT with autologous lymphocytes has provided an opportunity to directly investigate the antigen recognition of lymphocytes that mediate cancer regression in humans...
February 15, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28197988/in-vivo-and-in-vitro-degradation-comparison-of-pure-mg-mg-10gd-and-mg-2ag-a-short-term-study
#18
I Marco, A Myrissa, E Martinelli, F Feyerabend, R Willumeit-Römer, A M Weinberg, O Van der Biest
The purpose of this study was to compare short term in vitro and in vivo biodegradation studies with low purity Mg (> 99.94 %), Mg-10Gd and Mg-2Ag designed for biodegradable implant applications. Three in vitro testing conditions were applied, using (i) phosphate buffered saline (PBS), (ii) Hank's balanced salt solution (HBSS) and (iii) Dulbecco's modified eagle medium (DMEM) in 5 % CO2 under sterile conditions. Gas evolution and mass loss (ML) were assessed, as well as the degradation layer, by elemental mapping and scanning electron microscopy (SEM)...
February 13, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28197764/new-frontiers-in-prostate-cancer-imaging-clinical-utility-of-prostate-specific-membrane-antigen-positron-emission-tomography
#19
REVIEW
Asim Afaq, Deepak Batura, Jamshed Bomanji
Prostate-specific membrane antigen positron emission tomography (PSMA PET) is a relatively new method of imaging prostate cancer that increases diagnostic accuracy in detecting and guiding management in various stages of the disease pathway. Gallium-68-labelled PSMA PET has increased the sensitivity of detection of disease recurrence at low PSA levels, thus allowing an optimal window for salvage treatment. Apart from its use in disease recurrence, PSMA PET has the potential for increasing sensitivity and specificity for primary tumour localisation and in detecting lymph node disease, leading to a more accurate initial staging of the condition...
February 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28197317/comparison-of-fluorinated-and-nonfluorinated-lipids-in-self-adjuvanting-delivery-systems-for-peptide-based-vaccines
#20
Waleed M Hussein, Saori Mukaida, Fazren Azmi, Stacey Bartlett, Celine Olivier, Michael R Batzloff, Michael F Good, Mariusz Skwarczynski, Istvan Toth
Safe immunostimulants (adjuvants) are essential for the development of highly potent peptide-based vaccines. This study examined for the first time whether fluorinated lipids could stimulate humoral immunity in vivo when conjugated to peptide antigen. The impact of fluorination on humoral immunity was tested using a library of peptide-based vaccine candidates against the group A streptococcus (GAS). The fluorinated constructs stimulated similar mouse IgG titers to those elicited by complete Freund's adjuvant (CFA) and were higher than those produced in mice that received the nonfluorinated constructs...
February 9, 2017: ACS Medicinal Chemistry Letters
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