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https://www.readbyqxmd.com/read/28538756/psychiatric-evaluation-of-civil-capacity-with-the-new-brazilian-statute-of-the-person-with-disabilities
#1
Elias Abdalla-Filho
The objective of this paper is to provide an update to psychiatrists regarding the new Brazilian Law for the Inclusion of People with Disabilities (BLI, Law 13,146 of 2015), and, specifically, to discuss potential implications of situations in which examination by a forensic psychiatrist points toward civil incompetence, while the above-mentioned law mandates full civil capacity for disabled persons. A study of Law 13,146/2015 was conducted, including a comparative analysis of legal and psychiatric approaches on the subject...
May 22, 2017: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/28514082/universal-label-free-in-process-quantification-of-influenza-virus-like-particles
#2
Sofia B Carvalho, Mafalda G Moleirinho, David Wheatley, John Welsh, René Gantier, Paula M Alves, Cristina Peixoto, Manuel J T Carrondo
Virus-like particles (VLPs) are becoming established as vaccines, in particular for influenza pandemics, increasing the interest in the development of VLPs manufacturing bioprocess. However, for complex VLPs, the analytical tools used for quantification are not yet able to keep up with the bioprocess progress. Currently, quantification for Influenza relies on traditional methods: hemagglutination assay or Single Radial Immunodiffusion. These analytical technologies are time-consuming, cumbersome, and not supportive of efficient downstream process development and monitoring...
May 17, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28501458/in-vivo-molecular-bioluminescence-imaging-new-tools-and-applications
#3
REVIEW
Laura Mezzanotte, Moniek van 't Root, Hacer Karatas, Elena A Goun, Clemens W G M Löwik
in vivo bioluminescence imaging (BLi) is an optical molecular imaging technique used to visualize molecular and cellular processes in health and diseases and to follow the fate of cells with high sensitivity using luciferase-based gene reporters. The high sensitivity of this technique arises from efficient photon production, followed by the reaction between luciferase enzymes and luciferin substrates. Novel discoveries and developments of luciferase reporters, substrates, and gene-editing techniques, and emerging fields of applications, promise a new era of deeper and more sensitive molecular imaging...
May 10, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28495463/development-of-an-animal-model-of-progressive-vaccinia-in-nu-nu-mice-and-the-use-of-bioluminescence-imaging-for-assessment-of-the-efficacy-of-monoclonal-antibodies-against-vaccinial-b5-and-l1-proteins
#4
Marina Zaitseva, Antonia Thomas, Clement A Meseda, Charles Y K Cheung, Claudia G Diaz, Yan Xiang, Shane Crotty, Hana Golding
Bioluminescence imaging (BLI) was used to follow dissemination of recombinant vaccinia virus (VACV) expressing luciferase (IHD-J-Luc) in BALB/c nu/nu mice treated post-challenge with monoclonal antibodies (MAbs) against L1 and B5 VACV proteins in a model of Progressive Vaccinia (PV). Areas Under the flux Curve (AUC) were calculated for viral loads in multiple organs in individual mice. Following scarification with 10(5) pfu, IHD-J-Luc VACV undergoes fast replication at the injection site and disseminates rapidly to the inguinal lymph nodes followed by spleen, liver, and axillary lymph nodes within 2-3 days and before primary lesions are visible at the site of scarification...
May 8, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28472196/-18f-fludarabine-pet-in-a-murine-model-of-multiple-myeloma
#5
Narinée Hovhannisyan, Martine Dhilly, Martin Fidalgo, Fabien Fillesoye, Stéphane Guillouet, Brigitte Sola, Louisa Barré
PURPOSE: Multiple myeloma (MM) is a haematological malignancy that affects plasma cells in the bone marrow. Recently, [18F]fludarabine has been introduced as an innovative PET radiotracer for imaging lymphoma. It demonstrated a great potential for accurate imaging of lymphoproliferative disorders. With the goal to question the usefulness of [18F]fludarabine-PET in other haematological diseases, an in vivo MM model was investigated. METHODS: RPMI8226-GFP-Luc MM cells expressing the green fluorescent protein (GFP) as well as the luciferase reporter (Luc) were derived from the parental RPMI8226 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28448040/determination-of-high-affinity-antibody-antigen-binding-kinetics-using-four-biosensor-platforms
#6
Danlin Yang, Ajit Singh, Helen Wu, Rachel Kroe-Barrett
Label-free optical biosensors are powerful tools in drug discovery for the characterization of biomolecular interactions. In this study, we describe the use of four routinely used biosensor platforms in our laboratory to evaluate the binding affinity and kinetics of ten high-affinity monoclonal antibodies (mAbs) against human proprotein convertase subtilisin kexin type 9 (PCSK9). While both Biacore T100 and ProteOn XPR36 are derived from the well-established Surface Plasmon Resonance (SPR) technology, the former has four flow cells connected by serial flow configuration, whereas the latter presents 36 reaction spots in parallel through an improvised 6 x 6 crisscross microfluidic channel configuration...
April 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28420436/autophagy-mediates-the-beneficial-effect-of-hypoxic-preconditioning-on-bone-marrow-mesenchymal-stem-cells-for-the-therapy-of-myocardial-infarction
#7
Zheng Zhang, Chao Yang, Mingzhi Shen, Ming Yang, Zhitao Jin, Liping Ding, Wei Jiang, Junke Yang, Haixu Chen, Feng Cao, Taohong Hu
BACKGROUND: Stem cell therapy has emerged as a promising therapeutic strategy for myocardial infarction (MI). However, the poor viability of transplanted stem cells hampers their therapeutic efficacy. Hypoxic preconditioning (HPC) can effectively promote the survival of stem cells. The aim of this study was to investigate whether HPC improved the functional survival of bone marrow mesenchymal stem cells (BM-MSCs) and increased their cardiac protective effect. METHODS: BM-MSCs, isolated from Tg(Fluc-egfp) mice which constitutively express both firefly luciferase (Fluc) and enhanced green fluorescent protein (eGFP), were preconditioned with HPC (1% O2) for 12 h, 24 h, 36 h, and 48 h, respectively, followed by 24 h of hypoxia and serum deprivation (H/SD) injury...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28412561/metastatic-human-breast-cancer-to-the-spine-produces-mechanical-hyperalgesia-and-gait-deficits-in-rodents
#8
Rachel Sarabia-Estrada, Alejandro Ruiz-Valls, Hugo Guerrero-Cazares, Ana M Ampuero, Ismael Jimenez-Estrada, Samantha De Silva, Lydia J Bernhardt, C Rory Goodwin, A Karim Ahmed, Yuxin Li, Neil A Phillips, Ziya L Gokaslan, Alfredo Quiñones-Hinojosa, Daniel M Sciubba
BACKGROUND CONTEXT: Metastases to the spine are a common source of severe pain in cancer patients. The secondary effects of spinal metastases include pain, bone fractures, hypercalcemia, and neurological deficits. As the disease progresses, pain severity can increase until it becomes refractory to medical treatments and leads to a decreased quality of life for patients. A key obstacle in the study of pain-induced spinal cancer is the lack of reliable and reproducible spine cancer animal models...
April 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28408212/application-of-molecular-imaging-technology-in-evaluating-the-inhibiting-effect-of-apigenin-in%C3%A2-vivo-on-subcutaneous-hepatocellular-carcinoma
#9
Gang Li, Chong-Wei Chi, Xian-Fang Shao, Chi-Hua Fang
The aim of this study was to evaluate the inhibiting effect of apigenin on liver cancer in vivo based on the optical molecular imaging method. Subcutaneous liver tumor models were established using respective 1 × 10(6) firefly luciferase (fLuc) and green fluorescent protein (GFP) labeled human hepatocellular carcinoma cells (HepG2-fLuc and HepG2-GFP cells) in 20 BALB/c nude mice which were randomly divided into two groups, 10 in each group. After the tumor cells were implanted 15 days, apigenin was administered through intraperitoneal injection in group B, the other ten mice as control group A...
May 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28382163/visualization-of-a-neurotropic-flavivirus-infection-in-mouse-reveals-unique-viscerotropism-controlled-by-host-type-i-interferon-signaling
#10
Xiao-Feng Li, Xiao-Dan Li, Cheng-Lin Deng, Hao-Long Dong, Qiu-Yan Zhang, Qing Ye, Han-Qing Ye, Xing-Yao Huang, Yong-Qiang Deng, Bo Zhang, Cheng-Feng Qin
Flavivirus includes a large group of human pathogens with medical importance. Especially, neurotropic flaviviruses capable of invading central and peripheral nervous system, e.g. Japanese encephalitis virus (JEV) and Zika virus (ZIKV), are highly pathogenic to human and constitute major global health problems. However, the dynamic dissemination and pathogenesis of neurotropic flavivirus infections remain largely unknown. Here, using JEV as a model, we rationally designed and constructed a recombinant reporter virus that stably expressed Renilla luciferase (Rluc)...
2017: Theranostics
https://www.readbyqxmd.com/read/28378292/tracking-dendritic-cell-migration-into-lymph-nodes-by-using-a-novel-pet-probe-18-f-tetrafluoroborate-for-sodium-iodide-symporter
#11
Sang Bong Lee, Ho Won Lee, Hongje Lee, Yong Hyun Jeon, Sang-Woo Lee, Byeong-Cheol Ahn, Jaetae Lee, Shin Young Jeong
BACKGROUND: Recently, (18)F-tetrafluoroborate (TFB) was used as a substrate for the human sodium/iodide symporter (hNIS) reporter gene. This study evaluated the feasibility of performing molecular-genetic imaging by using the new radiotracer ((18)F-TFB) for the hNIS gene, to track dendritic cell (DC) migration in live mice. A murine dendritic cell line (DC2.4) co-expressing the hNIS and effluc genes (DC/NF) was established. To confirm the functional cellular expression of both effluc and NIS in the inoculated DC/NF cells by bio-medical imaging, combined bioluminescence imaging (BLI) and (18)F-TFB positron emission tomography/computed tomography (PET/CT) imaging was performed after intramuscular injection with parental DCs and DC/NF cells...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28367494/comparison-of-the-diagnostic-ability-of-blue-laser-imaging-magnification-versus-pit-pattern-analysis-for-colorectal-polyps
#12
Arihiro Nakano, Yoshiki Hirooka, Takeshi Yamamura, Osamu Watanabe, Masanao Nakamura, Kohei Funasaka, Eizaburo Ohno, Hiroki Kawashima, Ryoji Miyahara, Hidemi Goto
Background and study aims There have been few evaluations of the diagnostic ability of new narrow band light observation blue laser imaging (BLI). The present prospective study compared the diagnostic ability of BLI magnification and pit pattern analysis for colorectal polyps. Patients and methods We collected lesions prospectively, and the analysis of images was made by two endoscopists, retrospectively. A total of 799 colorectal polyps were examined by BLI magnification and pit pattern analysis at Nagoya University Hospital...
April 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28345023/enhancement-of-psma-directed-car-adoptive-immunotherapy-by-pd-1-pd-l1-blockade
#13
Inna Serganova, Ekaterina Moroz, Ivan Cohen, Maxim Moroz, Mayuresh Mane, Juan Zurita, Larissa Shenker, Vladimir Ponomarev, Ronald Blasberg
Chimeric antigen receptor (CAR) T cell therapy in hematologic malignancies has shown remarkable responses, but the same level of success has not been observed in solid tumors. A new prostate cancer model (Myc-CaP:PSMA(+)) and a second-generation anti-hPSMA human CAR T cells expressing a Click Beetle Red luciferase reporter) were used to study hPSMA targeting and assess CAR T cell trafficking and persistence by bioluminescence imaging (BLI). We investigated the antitumor efficacy of human CAR T cells targeting human prostate-specific membrane antigen (hPSMA), in the presence and absence of the target antigen; first alone and then combined with a monoclonal antibody targeting the human programmed death receptor 1 (anti-hPD1 mAb)...
March 17, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28340549/long-term-in-vivo-monitoring-of-adult-derived-human-liver-stem-progenitor-cells-by-bioluminescence-imaging-pet-and-contrast-enhanced-ct
#14
Mei-Ju Hsu, Julie Prigent, Pierre-Edouard Dollet, Joachim Ravau, Lionel Larbanoix, Gaetan Van Simaeys, Anne Bol, Vincent Grégoire, Serge Goldman, Gisèle Deblandre, Mustapha Najimi, Etienne Sokal, Catherine Lombard
Adult-derived human liver stem/progenitor cells (ADHLSCs) have the potential to alleviate liver injury. However, the optimal delivery route and long-term biodistribution of ADHLSCs remains unclear. In this paper, we used a triple fusion reporter system to determine the kinetic differences in the biodistribution of ADHLSCs following intrasplenic (IS) and intrahepatic (IH) administration in SCID-beige mice. ADHLSCs were transduced with a lentiviral vector expressing a triple-fusion reporter comprising renilla luciferase, monomeric red fluorescent protein and truncated HSV-1 thymidine kinase...
March 24, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28340485/an-approach-for-liposome-immobilization-using-sterically-stabilized-micelles-ssms-as-a-precursor-for-bio-layer-interferometry-based-interaction-studies
#15
Jakob Wallner, Gabriele Lhota, Markus Schosserer, Karola Vorauer-Uhl
Non-fluidic bio-layer interferometry (BLI) has rapidly become a standard tool for monitoring almost all biomolecular interactions in a label-free, real-time and high-throughput manner. High-efficiency screening methods which measure the kinetics of liposomes with a variety of compounds require the immobilization of liposomes. In this work, a method is described for immobilizing liposomes for interaction studies, based on the biophysical principles of this biosensor platform. The immobilization approach includes the loading of DSPE-PEG(2000)-biotin containing sterically stabilized micelles (SSMs) which are restructured in a buffer change step, resulting in an accessible substrate for liposome immobilization...
June 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28333177/amelioration-of-citrobacter-rodentium-proliferation-in-early-stage-of-infection-in-mice-by-pretreatment-with-lactobacillus-brevis-kb290-and-verification-using-in-vivo-bioluminescence-imaging
#16
Naoko Waki, Yuki Kuwabara, Yuko Yoshikawa, Hiroyuki Suganuma, Hiroyuki Koide, Naoto Oku, Norio Ohashi
Bioluminescent imaging (BLI) has become a useful tool for monitoring bacterial infections in real time. Citrobacter rodentium and its BLI are widely used as a murine model of enteropathogenic and enterohaemorrhagic Escherichia coli infection. In this study, we evaluated the protective effects of the probiotic Lactobacillus brevis KB290 against C. rodentium infection by the BLI approach. First, we examined several solutions for making the suspension of bioluminescent C. rodentium for an oral inoculation to establish a stable intestinal infection...
March 1, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28332311/characterization-of-blue-light-irradiation-effects-on-pathogenic-and-nonpathogenic-escherichia-coli
#17
Courtney M Abana, John R Brannon, Rebecca A Ebbott, Taryn L Dunigan, Kirsten R Guckes, Hubaida Fuseini, Jennifer Powers, Bridget R Rogers, Maria Hadjifrangiskou
Blue light irradiation (BLI) is an FDA-approved method for treating certain types of infections, like acne, and is becoming increasingly attractive as an antimicrobial strategy as the prevalence of antibiotic-resistant "superbugs" rises. However, no study has delineated the effectiveness of BLI throughout different bacterial growth phases, especially in more BLI-tolerant organisms such as Escherichia coli. While the vast majority of E. coli strains are nonpathogenic, several E. coli pathotypes exist that cause infection within and outside the gastrointestinal tract...
March 22, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28319168/targeting-chronic-cardiac-remodeling-with-cardiac-progenitor-cells-in-a-murine-model-of-ischemia-reperfusion-injury
#18
Janine C Deddens, Dries A Feyen, Peter-Paul Zwetsloot, Maike A Brans, Sailay Siddiqi, Linda W van Laake, Pieter A Doevendans, Joost P Sluijter
BACKGROUND: Translational failure for cardiovascular disease is a substantial problem involving both high research costs and an ongoing lack of novel treatment modalities. Despite the progress already made, cell therapy for chronic heart failure in the clinical setting is still hampered by poor translation. We used a murine model of chronic ischemia/reperfusion injury to examine the effect of minimally invasive application of cardiac progenitor cells (CPC) in cardiac remodeling and to improve clinical translation...
2017: PloS One
https://www.readbyqxmd.com/read/28281745/n-methyl-mesoporphyrin-ix-as-an-effective-probe-for-monitoring-alzheimer-s-disease-%C3%AE-amyloid-aggregation-in-living-cells
#19
Meng Li, Andong Zhao, Jinsong Ren, Xiaogang Qu
Formation of amyloid fibrils by amyloid-β peptide (Aβ) is an important step in Alzheimer's disease (AD) pro-gression. Screening and designing new molecules which can monitor amyloidosis process especially in cells are diagnostically and therapeutically important. Utilizing Thioflavin T (ThT), the commonly used amyloid dye, is the most standardized way to monitor amyloid. However, with the green fluorescence emission and small Stokes shift, the fluorescence of ThT can overlap with that arising from other intrinsic fluorescent components in the cells, making it not suitable for detection of protein aggregates in vivo...
March 10, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28249642/preclinical-upar-targeted-multimodal-imaging-of-locoregional-oral-cancer
#20
M C Boonstra, P B A A Van Driel, S Keereweer, H A J M Prevoo, M A Stammes, V M Baart, C W G M Löwik, A P Mazar, C J H van de Velde, A L Vahrmeijer, C F M Sier
OBJECTIVES: Establishing adequate resection margins and lymphatic mapping are crucial for the prognosis of oral cancer patients. Novel targeted imaging modalities are needed, enabling pre- and intraoperative detection of tumour cells, in combination with improved post-surgical examination by the pathologist. The urokinase-receptor (uPAR) is overexpressed in head and neck cancer, where it is associated with tumour progression and metastasis. MATERIAL AND METHODS: To determine suitability of uPAR for molecular imaging of oral cancer surgery, human head and neck tumours were sectioned and stained for uPAR to evaluate the expression pattern compared to normal mucosa...
March 2017: Oral Oncology
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