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Immune programming

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https://www.readbyqxmd.com/read/28927079/new-use-of-microsatellite-instability-analysis-in-endometrial-cancer
#1
Haruko Kunitomi, Kouji Banno, Megumi Yanokura, Takashi Takeda, Moito Iijima, Kanako Nakamura, Miho Iida, Masataka Adachi, Keiko Watanabe, Yusuke Matoba, Yusuke Kobayashi, Eiichiro Tominaga, Daisuke Aoki
The increasing incidence of obesity and diabetes due to changes in diet, earlier menarche, delayed menopause, late marriage, and declining birth rate have resulted in an increase in the number of endometrial cancer cases over the last few decades. Although surgical therapy is sufficient for early endometrial cancer, there is no effective therapy for patients with advanced and recurrent endometrial cancer. The oncogenic mechanism of endometrial cancer involves microsatellite instability (MSI) caused by dysfunction of DNA mismatch repair genes in 30% of patients...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926891/-advances-in-immune-checkpoint-inhibitors-in-gastrointestinal-cancer
#2
X R Zhu, L Z Zheng
Currently, immunotherapy is considered as the fourth major modality of cancer treatment except surgery, chemotherapy and radiotherapy. The new therapeutic approach based on immune checkpoint inhibitors is a landmark innovation. Strategies considering checkpoint inhibitors have shown good anti-tumor effect by targeting cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed cell death protein 1 (PD-1) or programmed cell death ligand 1 (PD-L1). Moreover, DNA mismatch repair-deficient tumors appear to be potential candidates for these therapies...
September 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28926540/corrigendum-s100-alarmin-induced-innate-immune-programming-protects-newborn-infants-from-sepsis
#3
Thomas Ulas, Sabine Pirr, Beate Fehlhaber, Marie S Bickes, Torsten G Loof, Thomas Vogl, Lara Mellinger, Anna S Heinemann, Johanna Burgmann, Jennifer Schöning, Sabine Schreek, Sandra Pfeifer, Friederike Reuner, Lena Völlger, Martin Stanulla, Maren von Köckritz-Blickwede, Shirin Glander, Katarzyna Barczyk-Kahlert, Constantin S von Kaisenberg, Judith Friesenhagen, Lena Fischer-Riepe, Stefanie Zenker, Joachim L Schultze, Johannes Roth, Dorothee Viemann
No abstract text is available yet for this article.
September 19, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28925801/mf59-adjuvanted-influenza-vaccine-fluad%C3%A2-elicits-higher-immune-responses-than-a-non-adjuvanted-influenza-vaccine-fluzone%C3%A2-a-randomized-multicenter-phase-iii-pediatric-trial-in-mexico
#4
Aurelio Cruz-Valdez, Gabriel Valdez-Zapata, Sanjay S Patel, Flavia V Castelli, Marcia G Garcia, Wim T Jansen, Ashwani Kumar Arora, Esther Heijnen
The poor immune response elicited by trivalent influenza vaccines (TIVs) in children can be enhanced by the addition of adjuvants. This observer-blind, randomized Phase III trial assessed the immunogenicity and safety of the MF59-adjuvanted trivalent influenza vaccine FLUAD® (aTIV) and a non-adjuvanted TIV, in healthy children (aged 6 to <72 months) from 3 centers in Mexico, during the 2014-2015 season. The primary objectives were to assess the non-inferiority of aTIV to TIV, measured by geometric mean titers (GMTs), and the safety of aTIV and TIV...
September 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28925469/1-25-dihydroxyvitamin-d3-regulates-t-lymphocyte-proliferation-through-activation-of-p53-and-inhibition-of-erk1-2-signaling-pathway-in-children-with-kawasaki-disease
#5
X-L Qi, L-L Chen, X-G Sun, X-M Li, L-H Zhao, D-J Kong
OBJECTIVE: To study the effect of 1,25(OH)2D3 on T lymphocytes in Kawasaki disease and to further investigate its molecular mechanism. PATIENTS AND METHODS: A total of 30 child patients was diagnosed as Kawasaki disease, 60 child patients were diagnosed as infectious fever, and 60 normal children, were selected. 4 mL peripheral blood was collected before treatment. Peripheral blood mononuclear cells were isolated and separated using the Facollin method and cultured...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28924974/incidence-and-predictive-score-for-delayed-hemolytic-transfusion-reaction-in-adult-patients-with-sickle-cell-disease
#6
David Narbey, Anoosha Habibi, Philippe Chadebech, Armand Mekontso-Dessap, Mehdi Khellaf, Jean-Daniel Lelièvre, Bertrand Godeau, Marc Michel, Frédéric Galactéros, Rachid Djoudi, Pablo Bartolucci, France Pirenne
Delayed hemolytic transfusion reaction (DHTR) is a life-threatening complication of transfusion in sickle cell disease (SCD). The frequency of DHTR is underestimated because its symptoms mimic those of vaso-occlusive crisis and antibodies (Abs) are often not detectable. No predictive factors for identifying patients likely to develop DHTR have yet been defined. We conducted a prospective single-center observational study over 30 months in adult sickle cell patients. We included 694 transfusion episodes (TEs) in 311 patients, divided into occasional TEs (OTEs: 360) and chronic transfusion program (CTEs: 334)...
September 19, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28923365/mitochondrial-dynamics-at-the-interface-of-immune-cell-metabolism-and-function
#7
REVIEW
Angelika S Rambold, Erika L Pearce
Immune cell differentiation and function are crucially dependent on specific metabolic programs dictated by mitochondria, including the generation of ATP from the oxidation of nutrients and supplying precursors for the synthesis of macromolecules and post-translational modifications. The many processes that occur in mitochondria are intimately linked to their morphology that is shaped by opposing fusion and fission events. Exciting evidence is now emerging that demonstrates reciprocal crosstalk between mitochondrial dynamics and metabolism...
September 8, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28923211/nivolumab-and-pembrolizumab-monoclonal-antibodies-against-programmed-cell-death-1-pd-1-that-are-interchangeable
#8
REVIEW
Vinay Prasad, Victoria Kaestner
Nivolumab (Opdivo, Bristol Meyer Squibb, New York, NY) and pembrolizumab (Keytruda, Merck, Kenilworth, NJ) are the first two US Food and Drug Administration (FDA)-approved monoclonal antibodies targeting programmed death-1 (PD-1). Nivolumab and pembrolizumab work by interfering with the interaction between PD-1 and programmed death ligand-1 (PD-L1), whose unimpeded interaction downregulates T cells allowing cancer cells to evade immune surveillance. These drugs have earned a series of FDA approvals for melanoma, non-small cell lung cancer (NSCLC), head and neck squamous cell cancer (HNSCC), urothelial cancer, classical Hodgkin lymphoma, and renal cell cancer...
April 2017: Seminars in Oncology
https://www.readbyqxmd.com/read/28923102/workshop-on-challenges-insights-and-future-directions-for-mouse-and-humanized-models-in-cancer-immunology-and-immunotherapy-a-report-from-the-associated-programs-of-the-2016-annual-meeting-for-the-society-for-immunotherapy-of-cancer
#9
Andrew Zloza, A Karolina Palucka, Lisa M Coussens, Philip J Gotwals, Mark B Headley, Elizabeth M Jaffee, Amanda W Lund, Arlene H Sharpe, Mario Sznol, Derek A Wainwright, Kwok-Kin Wong, Marcus W Bosenberg
Understanding how murine models can elucidate the mechanisms underlying antitumor immune responses and advance immune-based drug development is essential to advancing the field of cancer immunotherapy. The Society for Immunotherapy of Cancer (SITC) convened a workshop titled, "Challenges, Insights, and Future Directions for Mouse and Humanized Models in Cancer Immunology and Immunotherapy" as part of the SITC 31st Annual Meeting and Associated Programs on November 10, 2016 in National Harbor, MD. The workshop focused on key issues in optimizing models for cancer immunotherapy research, with discussions on the strengths and weaknesses of current models, approaches to improve the predictive value of mouse models, and advances in cancer modeling that are anticipated in the near future...
September 19, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28922613/the-etiology-of-community-acquired-pneumonia-among-children-under-5%C3%A2-years-of-age-in-mainland-china-2001-2015-a-systematic-review
#10
Guijun Ning, Xuxia Wang, Dan Wu, Zundong Yin, Yixing Li, Huaqing Wang, Weizhong Yang
BACKGROUND: The aim of this systematic review was to examine the etiology of community-acquired pneumonia (CAP) among Chinese children younger than 5 years and provide evidence for further cost-effectiveness analyses for vaccine development, diagnostic strategies and empirical treatments. METHODS: The literature review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. Data were obtained by searching PubMed, Embase, Web-of Science, and the Chinese databases Wanfang Data and China National Knowledge Infrastructure...
September 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28922567/determination-of-pd-l1-expression-in-effusions-from-mesothelioma-by-immuno-cytochemical-staining
#11
Mohammed S I Mansour, Tomas Seidal, Ulrich Mager, Amir Baigi, Katalin Dobra, Annika Dejmek
BACKGROUND: Malignant mesothelioma (MM) is an aggressive, fatal tumor. Current therapeutic options only marginally improve survival. Programmed cell death ligand 1 (PD-L1) is a dominant mediator of immunosuppression, binding to programmed cell death 1 (PD-1). PD-L1 is up-regulated in cancer cells, and the PD-1/PD-L1 pathway plays a critical role in tumor immune evasion, thus providing a target for antitumor therapy. Further, a correlation between PD-L1 expression and prognosis has been reported...
September 18, 2017: Cancer
https://www.readbyqxmd.com/read/28922553/programmable-nucleic-acid-based-polygons-with-controlled-neuroimmunomodulatory-properties-for-predictive-qsar-modeling
#12
Morgan Brittany Johnson, Justin R Halman, Emily Satterwhite, Alexey V Zakharov, My N Bui, Kheiria Benkato, Victoria Goldsworthy, Taejin Kim, Enping Hong, Marina A Dobrovolskaia, Emil F Khisamutdinov, Ian Marriott, Kirill A Afonin
In the past few years, the study of therapeutic RNA nanotechnology has expanded tremendously to encompass a large group of interdisciplinary sciences. It is now evident that rationally designed programmable RNA nanostructures offer unique advantages in addressing contemporary therapeutic challenges such as distinguishing target cell types and ameliorating disease. However, to maximize the therapeutic benefit of these nanostructures, it is essential to understand the immunostimulatory aptitude of such tools and identify potential complications...
September 18, 2017: Small
https://www.readbyqxmd.com/read/28922390/identifying-novel-transcription-factors-involved-in-the-inflammatory-response-by-using-binding-site-motif-scanning-in-genomic-regions-defined-by-histone-acetylation
#13
Peter S Askovich, Stephen A Ramsey, Alan H Diercks, Kathleen A Kennedy, Theo A Knijnenburg, Alan Aderem
The innate immune response to pathogenic challenge is a complex, multi-staged process involving thousands of genes. While numerous transcription factors that act as master regulators of this response have been identified, the temporal complexity of gene expression changes in response to pathogen-associated molecular pattern receptor stimulation strongly suggest that additional layers of regulation remain to be uncovered. The evolved pathogen response program in mammalian innate immune cells is understood to reflect a compromise between the probability of clearing the infection and the extent of tissue damage and inflammatory sequelae it causes...
2017: PloS One
https://www.readbyqxmd.com/read/28921644/clinical-pharmacology-considerations-for-the-development-of-immune-checkpoint-inhibitors
#14
Jennifer Sheng, Shivani Srivastava, Kinjal Sanghavi, Zheng Lu, Brian J Schmidt, Akintunde Bello, Manish Gupta
Immuno-oncology works through activation of the patient's immune system against cancer, with several advantages over other treatment approaches, including cytotoxic agents and molecular-targeted therapies. The most notable feature of immuno-oncology treatments is the nature of the patient responses achieved, which can be more durable and sustained than with other modalities. Increased understanding of immune system complexity has provided a number of opportunities to advance several strategies for the development of immuno-oncology therapies...
October 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28921638/graft-infiltrating-pd-l1-hi-cross-dressed-dendritic-cells-regulate-anti-donor-t-cell-responses-in-mouse-liver-transplant-tolerance
#15
Yoshihiro Ono, Angelica Perez-Gutierrez, Toshimasa Nakao, Helong Dai, Geoffrey Camirand, Osamu Yoshida, Shinichiro Yokota, Donna Beer Stolz, Mark A Ross, Adrian E Morelli, David A Geller, Angus W Thomson
While a key role of cross-dressing has been established in immunity to viral infection and more recently in the instigation of transplant rejection, its role in tolerance is unclear. Here, we investigated the role of intra-graft dendritic cells (DC) and cross-dressing in mouse major histocompatibility complex (MHC)-mismatched liver transplant tolerance that occurs without therapeutic immunosuppression. While donor interstitial DC diminished rapidly following transplantation, they were replaced in the liver by host DC that peaked on postoperative day (POD) 7 and persisted indefinitely...
September 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28921465/emerging-roles-for-epigenetic-programming-in-the-control-of-inflammatory-signaling-integration-in-heath-and-disease
#16
Yiqun Hu, Feng Yan, Le Ying, Dakang Xu
Macrophages and dendritic cells initiate the innate immune response to infection and injury and contribute to inflammatory signaling to maintain the homeostasis of various tissues, which includes resident macrophages for the elimination of invading microorganisms and tissue damage. Inappropriate inflammatory signaling can lead to persistent inflammation and further develop into autoimmune and inflammation-associated diseases. Inflammatory signaling pathways have been well characterized, but how these signaling pathways are converted into sustained and diverse patterns of expression of cytokines, chemokines, and other genes in response to environmental challenges is unclear...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28919989/cyclophosphamide-treatment-regulates-the-balance-of-functional-exhausted-tumor-specific-cd8-t-cells
#17
Aurélie Hanoteau, Coralie Henin, David Svec, Charlotte Bisilliat Donnet, Sébastien Denanglaire, Didier Colau, Pedro Romero, Oberdan Leo, Benoit Van den Eynde, Muriel Moser
An important question is how chemotherapy may (re-)activate tumor-specific immunity. In this study, we provide a phenotypic, functional and genomic analysis of tumor-specific CD8(+) T cells in tumor (P815)-bearing mice, treated or not with cyclophosphamide. Our data show that chemotherapy favors the development of effector-type lymphocytes in tumor bed, characterized by higher KLRG-1 expression, lower PD-1 expression and increased cytotoxicity. This suggests re-engagement of T lymphocytes into the effector program...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919987/programmed-death-ligand-1-pd-l1-expression-influences-the-immune-tolerogenic-microenvironment-in-antiretroviral-therapy-refractory-kaposi-s-sarcoma-a-pilot-study
#18
Salvinia Mletzko, David J Pinato, Rebecca C Robey, Alessia Dalla Pria, Peter Benson, Nesrina Imami, Mark Bower
Upregulation of programmed death ligand 1 (PD-L1) is a mechanism of immune escape utilized by a variety of tumors. PD-L1 expression in tumor cells or in the surrounding infiltrate correlates with clinical responsiveness to novel therapies targeting the PD-1/PD-L1 immune checkpoint. In the context of HIV-1 infection, Kaposi's sarcoma (KS) is largely responsive to restoration of immunity following combination antiretroviral therapy (cART), but there is a subset that is not. We hypothesized that this subset of cART-refractory KS may utilize the PD-L1 pathway of immune escape...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919225/a-comparative-cost-analysis-of-the-vaccination-program-for-us-bound-refugees
#19
Heesoo Joo, Brian Maskery, Tarissa Mitchell, Andrew Leidner, Alexander Klosovsky, Michelle Weinberg
BACKGROUND: Vaccination Program for US-bound Refugees (VPR) currently provides one or two doses of some age-specific Advisory Committee on Immunization Practices (ACIP)-recommended vaccines to US-bound refugees prior to departure. METHODS: We quantified and compared the full vaccination costs for refugees using two scenarios: (1) the baseline of no VPR and (2) the current situation with VPR. Under the first scenario, refugees would be fully vaccinated after arrival in the United States...
September 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28919048/control-of-immune-cell-homeostasis-and-function-by-lncrnas
#20
REVIEW
Walter K Mowel, Jonathan J Kotzin, Sam J McCright, Vanessa D Neal, Jorge Henao-Mejia
The immune system is composed of diverse cell types that coordinate responses to infection and maintain tissue homeostasis. In each of these cells, extracellular cues determine highly specific epigenetic landscapes and transcriptional profiles to promote immunity while maintaining homeostasis. New evidence indicates that long non-coding RNAs (lncRNAs) play crucial roles in epigenetic and transcriptional regulation in mammals. Thus, lncRNAs have emerged as key regulatory molecules of immune cell gene expression programs in response to microbial and tissue-derived cues...
September 14, 2017: Trends in Immunology
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