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Translational immunology

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https://www.readbyqxmd.com/read/28912369/customized-viral-immunotherapy-for-hpv-associated-cancer
#1
Matthew J Atherton, Kyle B Stephenson, Jonathan Pol, Fuan Wang, Charles Lefebvre, David F Stojdl, Jake K Nikota, Anna Dvorkin-Gheva, Andrew Nguyen, Lan Chen, Stephanie Johnson-Obaseki, Patrick J Villeneuve, Jean-Simon Diallo, Jim Dimitroulakos, Yonghong Wan, Brian D Lichty
The viral transforming proteins E6 and E7 make human papilloma virus positive (HPV+) malignancies an attractive target for cancer immunotherapy. However, therapeutic vaccination exerts limited efficacy in the setting of advanced disease. We designed a strategy to induce substantial specific immune responses against multiple epitopes of E6 and E7 proteins based on an attenuated transgene from HPV serotypes 16 and 18 that is incorporated into MG1-Maraba virotherapy (MG1-E6E7). Mutations introduced to the transgene abrogate the ability of E6 and E7 to perturb p53 and retinoblastoma, respectively, while maintaining the ability to invoke tumor-specific, multi-functional CD8+ T-cell responses...
September 14, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28900328/immune-checkpoint-blockers-and-ovarian-cancer
#2
REVIEW
Chinmoy K Bose
Although the idea, called "cancer immunotherapy," is very appealing and has previously been shown to work in several mouse models of cancer, it has in general been very difficult to translate cancer immunotherapy approaches to humans. Because of this frustration, by the 1990s, many scientists and biotechnology companies had given up on the idea of cancer immunotherapy. After few years, first detection T-cell suppression of effect of cytotoxic T-lymphocyte antigen-4 (CTLA4) molecule was established. Antibody (Ab) to CTLA4 could increase T-cell starting a completely new age of tumor immunology...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28893281/rna-flow-cytometric-fish-for-investigations-into-hiv-immunology-vaccination-and-cure-strategies
#3
REVIEW
Amy E Baxter, Julia Niessl, Antigoni Morou, Daniel E Kaufmann
Despite the tremendous success of anti-retroviral therapy (ART) no current treatment can eradicate latent HIV reservoirs from HIV-infected individuals or generate, effective HIV-specific immunity. Technological limitations have hampered the identification and characterization of both HIV-infected cells and HIV-specific responses in clinical samples directly ex vivo. RNA-flow cytometric fluorescence in situ hybridisation (RNA Flow-FISH) is a powerful technique, which enables detection of mRNAs in conjunction with proteins at a single-cell level...
September 12, 2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28893184/the-canadian-hiv-and-aging-cohort-study-determinants-of-increased-risk-of-cardio-vascular-diseases-in-hiv-infected-individuals-rationale-and-study-protocol
#4
Madeleine Durand, Carl Chartrand-Lefebvre, Jean-Guy Baril, Sylvie Trottier, Benoit Trottier, Marianne Harris, Sharon Walmsley, Brian Conway, Alexander Wong, Jean-Pierre Routy, Colin Kovacs, Paul A MacPherson, Kenneth Marc Monteith, Samer Mansour, George Thanassoulis, Michal Abrahamowicz, Zhitong Zhu, Christos Tsoukas, Petronela Ancuta, Nicole Bernard, Cécile L Tremblay
BACKGROUND: With potent antiretroviral drugs, HIV infection is becoming a chronic disease. Emergence of comorbidities, particularly cardiovascular disease (CVD) has become a leading concern for patients living with the infection. We hypothesized that the chronic and persistent inflammation and immune activation associated with HIV disease leads to accelerated aging, characterized by CVD. This will translate into higher incidence rates of CVD in HIV infected participants, when compared to HIV negative participants, after adjustment for traditional CVD risk factors...
September 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28887632/multipeptide-coupled-nanoparticles-induce-tolerance-in-humanised-hla-transgenic-mice-and-inhibit-diabetogenic-cd8-t-cell-responses-in-type-1-diabetes
#5
Xinyu Xu, Lingling Bian, Min Shen, Xin Li, Jing Zhu, Shuang Chen, Lei Xiao, Qingqing Zhang, Heng Chen, Kuanfeng Xu, Tao Yang
AIMS/HYPOTHESIS: Induction of antigen-specific immunological tolerance may provide an attractive immunotherapy in the NOD mouse model but the conditions that lead to the successful translation to human type 1 diabetes are limited. In this study, we covalently linked 500 nm carboxylated polystyrene beads (PSB) with a mixture of immunodominant HLA-A*02:01-restricted epitopes (peptides-PSB) that may have high clinical relevance in humans as they promote immune tolerance; we then investigated the effect of the nanoparticle-peptide complexes on T cell tolerance...
September 8, 2017: Diabetologia
https://www.readbyqxmd.com/read/28883282/development-of-immune-checkpoint-inhibitors
#6
Shigehisa Kitano
Immune checkpoint inhibitors are the most striking innovation in the clinical development of immunotherapy. Monoclonal antibodies (mAbs) restore and augment the antitumor immune activities of cytotoxic T cells by mainly blocking immune checkpoint molecules on T cells or their ligands on antigen-presenting and tumor cells. Based on preclinical data, many clinical trials have demonstrated the acceptable safety profiles and efficacies of mAb in various cancers. The A first-in-class approved immune checkpoint inhibitor is ipilimumab, which is a fully humanized mAb that blocks the immunosuppressive signal by cytotoxic T-lymphocyte antigen 4...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28882238/unraveling-vascular-inflammation-from-immunology-to-imaging
#7
REVIEW
Heather L Teague, Mark A Ahlman, Abass Alavi, Denisa D Wagner, Andrew H Lichtman, Matthias Nahrendorf, Filip K Swirski, Frank Nestle, Joel M Gelfand, Mariana J Kaplan, Steven Grinspoon, Paul M Ridker, David E Newby, Ahmed Tawakol, Zahi A Fayad, Nehal N Mehta
Inflammation is a critical factor in early atherosclerosis and its progression to myocardial infarction. The search for valid surrogate markers of arterial vascular inflammation led to the increasing use of positron emission tomography/computed tomography. Indeed, vascular inflammation is associated with future risk for myocardial infarction and can be modulated with short-term therapies, such as statins, that mitigate cardiovascular risk. However, to better understand vascular inflammation and its mechanisms, a panel was recently convened of world experts in immunology, human translational research, and positron emission tomographic vascular imaging...
September 12, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28879412/the-sequence-of-disease-modifying-therapies-in-relapsing-multiple-sclerosis-safety-and-immunologic-considerations
#8
REVIEW
Gabriel Pardo, David E Jones
The treatment landscape for relapsing forms of multiple sclerosis (RMS) has expanded considerably over the last 10 years with the approval of multiple new disease-modifying therapies (DMTs), and others in late-stage clinical development. All DMTs for RMS are believed to reduce central nervous system immune-mediated inflammatory processes, which translate into demonstrable improvement in clinical and radiologic outcomes. However, some DMTs are associated with long-lasting effects on the immune system and/or serious adverse events, both of which may complicate the use of subsequent therapies...
September 6, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28879168/the-oncopig-cancer-model-an-innovative-large-animal-translational-oncology-platform
#9
REVIEW
Kyle M Schachtschneider, Regina M Schwind, Jordan Newson, Nickolas Kinachtchouk, Mark Rizko, Nasya Mendoza-Elias, Paul Grippo, Daniel R Principe, Alex Park, Nana H Overgaard, Gregers Jungersen, Kelly D Garcia, Ajay V Maker, Laurie A Rund, Howard Ozer, Ron C Gaba, Lawrence B Schook
Despite an improved understanding of cancer molecular biology, immune landscapes, and advancements in cytotoxic, biologic, and immunologic anti-cancer therapeutics, cancer remains a leading cause of death worldwide. More than 8.2 million deaths were attributed to cancer in 2012, and it is anticipated that cancer incidence will continue to rise, with 19.3 million cases expected by 2025. The development and investigation of new diagnostic modalities and innovative therapeutic tools is critical for reducing the global cancer burden...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28877630/focis-goes-south-advances-in-translational-and-clinical-immunology
#10
Alexis M Kalergis, Ignacio Anegon, Pablo A González
FOCIS goes South: Advances in Translational and Clinical Immunology was the first Federation of Clinical Immunology Societies (FOCIS) ( www.focisnet.org ) meeting held in Latin America (May 15-17, 2017, Santiago de Chile, Chile). The meeting was organized as a 3-day workshop and was fostered by the Millennium Institute on Immunology and Immunotherapy, a recently nominated FOCIS Center of Excellence. The workshop brought together FOCIS associates, such as members of the FOCIS Board of Directors, Directors of different Centers of Excellence, regional speakers and 350 attendees...
September 2017: Immunotherapy
https://www.readbyqxmd.com/read/28868980/nanoparticle-based-strategies-for-cancer-immunotherapy-and-immunodiagnostics
#11
Anna Maria Grimaldi, Mariarosaria Incoronato, Marco Salvatore, Andrea Soricelli
Although recent successes in clinical trials are strengthening research focused on cancer immunology, the poor immunogenicity and off-target side effects of immunotherapeutics remain major challenges in translating these promising approaches to clinically feasible therapies in the treatment of a large range of tumors. Nanotechnology offers target-based approaches, which have shown significant improvements in the rapidly advancing field of cancer immunotherapy. Here, we first discuss the chemical and physical features of nanoparticulate systems that can be tuned to address the anticancer immune response, and then review recent, key examples of the exploited strategies, ranging from nanovaccines to NPs revising the tumor immunosuppressive microenvironment, up to immunotherapeutic multimodal NPs...
September 4, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28863789/introduction-translational-immunology-in-kidney-disease
#12
EDITORIAL
Hans-Joachim Anders, David Jayne, Brad Rovin
No abstract text is available yet for this article.
September 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28861415/more-haste-less-speed-could-public-private-partnerships-advance-cellular-immunotherapies
#13
REVIEW
Tania Bubela, Katherine Bonter, Silvy Lachance, Jean-Sébastien Delisle, E Richard Gold
Cellular immunotherapies promise to transform cancer care. However, they must overcome serious challenges, including: (1) the need to identify and characterize novel cancer antigens to expand the range of therapeutic targets; (2) the need to develop strategies to minimize serious adverse events, such as cytokine release syndrome and treatment-related toxicities; and (3) the need to develop efficient production/manufacturing processes to reduce costs. Here, we discuss whether these challenges might better be addressed through forms of public-private research collaborations, including public-private partnerships (PPPs), or whether these challenges are best addressed by way of standard market transactions...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28851289/coral-cell-separation-and-isolation-by-fluorescence-activated-cell-sorting-facs
#14
Benyamin Rosental, Zhanna Kozhekbaeva, Nathaniel Fernhoff, Jonathan M Tsai, Nikki Traylor-Knowles
BACKGROUND: Generalized methods for understanding the cell biology of non-model species are quite rare, yet very much needed. In order to address this issue, we have modified a technique traditionally used in the biomedical field for ecological and evolutionary research. Fluorescent activated cell sorting (FACS) is often used for sorting and identifying cell populations. In this study, we developed a method to identify and isolate different cell populations in corals and other cnidarians...
August 29, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/28844759/a-pegylated-hyaluronic-acid-conjugate-for-targeted-cancer-immunotherapy
#15
Jung Min Shin, Se Jin Oh, Seunglee Kwon, V G Deepagan, Minchang Lee, Seok Ho Song, Hyo-Jung Lee, Suyeon Kim, Kwon-Ho Song, Tae Woo Kim, Jae Hyung Park
The cell-free approach to foreignizing tumor cells with non-self antigens has received increasing attention as a method to induce cytotoxic T lymphocyte (CTL)-mediated immunological rejection of tumors, because the clinical translation of the conventional CTL-based cancer immunotherapies has been limited by a complicated manufacturing process and autotransplantation. In this study, we prepared matrix metalloproteinase 9 (MMP9)-responsive polymeric conjugates consisting of PEGylated hyaluronic acid (HA) as the targeting moiety and ovalbumin (OVA) as the model foreign antigen...
August 24, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28843825/implementation-of-a-rapid-hit-immunoassay-at-a-university-hospital-retrospective-analysis-of-hit-laboratory-orders-in-patients-with-thrombocytopenia
#16
Anne Black, Susanne Heimerl, Linnéa Oertli, Wolf Wilczek, Andreas Greinacher, Michael Spannagl, Wolfgang Herr, Christina Hart
BACKGROUND: Heparin-induced thrombocytopenia (HIT) is a rare cause of thrombocytopenia and a potentially life-threatening adverse drug reaction. Clinical overdiagnosis of HIT results in costly laboratory tests and anticoagulation. Criteria and algorithms for diagnosis are established, but their translation into clinical practice is still challenging. STUDY DESIGN AND METHODS: In a retrospective approach we studied all HIT related laboratory test requests within four years and evaluated data before (1st period, 24month) and after (2nd period, 24month) replacing particle gel immunoassay (PaGIA) and enzyme-linked immunosorbent assay (ELISA) by a chemiluminescent immunoassay (CLIA)...
August 15, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28843452/the-microbiome-as-a-key-regulator-of-brain-behaviour-and-immunity-commentary-on-the-2017-named-series
#17
Michael T Bailey, John F Cryan
The focus on the microbiome for the 2017 Named Series in Brain, Behavior, and Immunity reflects the rapidly growing interest in commensal microbes and the effects that they can have on physiological processes often studied in PsychoNeuroImmunology Research. The studies included in this Named Series show that commensal microbes can impact immune system activity, as well as brain and behavioural processes across the lifespan, and are involved in behavioural and immunological responses to social stresses. The studies also show that dietary effects on brain, behaviour, and immunity often involve alterations of the gut microbiota...
August 23, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28832447/megan-sykes-md-michael-j-friedlander-professor-of-medicine-and-professor-of-microbiology-immunology-and-surgical-sciences-in-surgery-and-director-of-columbia-center-for-translational-immunology-columbia-university-new-york-city-ny
#18
https://www.readbyqxmd.com/read/28822643/genetic-background-impacts-vaccine-induced-reduction-of-pneumococcal-colonization
#19
Kirsten Kuipers, Saskia van Selm, Fred van Opzeeland, Jeroen D Langereis, Lilly M Verhagen, Dimitri A Diavatopoulos, Marien I de Jonge
Vaccination has been one of the most successful strategies to reduce morbidity and mortality caused by respiratory infections. Recent evidence suggests that differences in the host genetic background and environmental factors may contribute to heterogeneity in the immune response to vaccination. During pre-clinical testing, vaccines are often evaluated in a single mouse inbred strain, which may not translate well to the heterogeneous human population. Here, we examined the influence of host genetic background on vaccine-induced protection against pneumococcal colonization in two commonly used inbred mouse strains, i...
August 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28811201/the-unmet-need-in-rheumatology-reports-from-the-targeted-therapies-meeting-2017
#20
Kevin L Winthrop, Vibeke Strand, Désirée van der Heijde, Philip Mease, Mary Crow, Michael Weinblatt, Joan Bathon, Gerd R Burmester, Maxime Dougados, Johnathan Kay, Xavier Mariette, Ronald Van Vollenhoven, Joachim Sieper, Fritz Melchers, Ferdinand C Breedfeld, Joachim Kalden, Josef S Smolen, Daniel E Furst
The 19th annual international Targeted Therapies meeting brought together over 100 leading basic scientists and clinical researchers from around the world in the field of immunology, molecular biology and rheumatology and other specialties. During the meeting, breakout sessions were held consisting of 5 disease-specific groups with 20-40 experts assigned to each group based on clinical or scientific expertise. Specific groups included: rheumatoid arthritis, psoriatic arthritis, axial spondyloarthritis, systemic lupus erythematous, connective tissue diseases (e...
August 12, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
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