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Immuno oncology

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https://www.readbyqxmd.com/read/28193529/heterogeneity-in-immune-marker-expression-after-acquisition-of-resistance-to-egfr-kinase-inhibitors-analysis-of-a-case-with-small-cell-lung-cancer-transformation
#1
Kenichi Suda, Isao Murakami, Hui Yu, Jihye Kim, Kim Ellison, Christopher J Rivard, Tetsuya Mitsudomi, Fred R Hirsch
INTRODUCTION: Expression of immune-markers is of scientific interest due to their potential roles as predictive biomarkers for immunotherapy. Although the microenvironment of metastatic tumors and/or therapy-inducible histological transformation may affect the expression of these immune-markers, there is little data regarding this context. METHODS: A 76-year-old never-smoking female with epidermal growth factor receptor (EGFR) mutated lung adenocarcinoma (AC) acquired resistance to gefitinib...
February 10, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28177433/next-steps-in-immuno-oncology-enhancing-antitumor-effects-through-appropriate-patient-selection-and-rationally-designed-combination-strategies
#2
A K S Salama, S J Moschos
No abstract text is available yet for this article.
January 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28167217/experimental-animal-modeling-for-immuno-oncology
#3
REVIEW
Qi-Xiang Li, Gerold Feuer, Xuesong Ouyang, Xiaoyu An
Immuno-oncology (I/O) research has intensified significantly in recent years due to the breakthrough development and the regulatory approval of several immune checkpoint inhibitors, leading to the rapid expansion of the new discovery of novel I/O therapies, new checkpoint inhibitors and beyond. However, many I/O questions remain unanswered, including why only certain subsets of patients respond to these treatments, who the responders would be, and how to expand patient response (the conversion of non-responders or maximizing response in partial responders)...
February 3, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28159403/-immuno-oncology-and-precision-medicine-the-clinician-point-of-view
#4
EDITORIAL
Christophe Borg
No abstract text is available yet for this article.
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28148948/the-immuno-oncology-race-myths-and-emerging-realities
#5
Stephen Cavnar, Pedro Valencia, Jesse Brock, Judith Wallenstein, Valery Panier
No abstract text is available yet for this article.
February 2, 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28138031/anti-kit-monoclonal-antibody-treatment-enhances-the-anti-tumor-activity-of-immune-checkpoint-inhibitors-by-reversing-tumor-induced-immunosuppression
#6
Andrew J Garton, Scott Seibel, Lori Lopresti-Morrow, Linda Crew, Neal Janson, Sreekala Mandiyan, E Sergio Trombetta, Shannon Pankratz, Theresa M LaVallee, Richard Gedrich
The receptor tyrosine kinase KIT is an established oncogenic driver of tumor growth in certain tumor types including gastrointestinal stromal tumors (GIST), in which constitutively active mutant forms of KIT represent an actionable target for small molecule tyrosine kinase inhibitors. There is also considerable potential for KIT to influence tumor growth indirectly based on its expression and function in cell types of the innate immune system, most notably mast cells. We have evaluated syngeneic mouse tumor models for anti-tumor effects of an inhibitory KIT monoclonal antibody (mAb), dosed either alone or in combination with immune checkpoint inhibitors...
January 30, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28127387/clinical-and-prognostic-analysis-of-78-patients-with-human-immuno-deficiency-virus-associated-non-hodgkin-s-lymphoma-in-chinese-population
#7
Yang Shen, Renfang Zhang, Li Liu, Yinzhong Shen, Wei Song, Tangkai Qi, Yang Tang, Zhenyan Wang, Liqian Guan, Hongzhou Lu
BACKGROUND: Human Immuno-deficiency Virus (HIV) associated non-Hodgkin's lymphoma (NHL) was a special group of disease, which manifests distinct clinical features and prognosis as compared with NHLs in patients without HIV. We performed this study to describe the clinical features of the disease and investigated the potential prognostic factors. METHODS: HIV-infected patients who were newly diagnosed with NHL were enrolled in this study. The selection of anti-lymphoma treatment regimen was mainly dependent on the pathological subtypes of NHLs...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28122590/pd-1-pd-l1-b7-h1-and-tumor-site-immune-modulation-therapy-the-historical-perspective
#8
REVIEW
Jun Wang, Ruirong Yuan, Wenru Song, Jingwei Sun, Delong Liu, Zihai Li
The current success of targeted inhibition against cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and Programmed Death 1/Programmed Death Ligand 1 (PD-1/PD-L1, herein collectively referred to as PD) pathways is hailed as a cancer immunotherapy breakthrough. PD-L1, known also as B7 homolog 1 (B7-H1), was initially discovered by Dr. Lieping Chen in 1999. To recognize the seminal contributions by Chen to the development of PD-directed therapy against cancer, the Chinese American Hematologist and Oncologist Network (CAHON) decided to honor him with its inaugural Lifetime Achievement Award in Hematology and Oncology at the CAHON's 2015 annual meeting...
January 25, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28122336/distinct-patterns-of-infiltrating-cd8-t-cells-in-hpv-and-cd68-macrophages-in-hpv-oropharyngeal-squamous-cell-carcinomas-are-associated-with-better-clinical-outcome-but-pd-l1-expression-is-not-prognostic
#9
Kenneth Oguejiofor, Henry Galletta-Williams, Simon J Dovedi, Darren L Roberts, Peter L Stern, Catharine M L West
Immunotherapies are beginning to revolutionise treatment paradigms in oncology with monoclonal antibodies (mAb) targeting T-cell co-inhibitory (e.g. PD-1/PD-L1) and co-stimulatory pathways (e.g. CTLA-4/CD28) demonstrating clinical utility. Some clinical studies demonstrate that responsiveness to PD-1/PD-L1 mAb therapy is greater in patients with expression of PD-L1 in the tumour microenvironment. However, robust responses have also been observed in patients with low or absent expression of PD-L1. Using multiplex immuno-fluorescent labelling we sought to determine how infiltration of tumours by CD8+ T-cells, their expression of PD-1, and the expression of PD-L1 on both tumours and CD68 cells (macrophages) correlated with HPV status and outcome in a cohort of 124 oropharyngeal squamous cell carcinomas (OPSCC)...
January 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28109693/-a-special-issue-dedicated-to-immuno-oncology
#10
EDITORIAL
Frédéric Bibeau, Cécile Badoual
No abstract text is available yet for this article.
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28103033/design-synthesis-and-biological-evaluation-of-small-high-affinity-siglec-7-ligands-toward-novel-inhibitors-of-cancer-immune-evasion
#11
Horst Prescher, Martin Frank, Stephan Gütgemann, Elena Kuhfeldt, Astrid Schweizer, Lars Nitschke, Carsten Watzl, Reinhard Brossmer
Natural killer cells are able to directly lyse tumor cells, thereby participating in the immune surveillance against cancer. Unfortunately, many cancer cells use immune evasion strategies to avoid their eradication by the immune system. A prominent escape strategy of malignant cells is to camouflage themselves with Siglec-7 ligands, thereby recruiting the inhibitory receptor Siglec-7 expressed on the NK cell surface which subsequently inhibits NK-cell-mediated lysis. Here we describe the synthesis and evaluation of the first, high-affinity low molecular weight Siglec-7 ligands to interfere with cancer cell immune evasion...
February 9, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28072775/bms-in-microbiome-immuno-oncology-deal
#12
(no author information available yet)
No abstract text is available yet for this article.
January 10, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28052254/pan-cancer-immunogenomic-analyses-reveal-genotype-immunophenotype-relationships-and-predictors-of-response-to-checkpoint-blockade
#13
Pornpimol Charoentong, Francesca Finotello, Mihaela Angelova, Clemens Mayer, Mirjana Efremova, Dietmar Rieder, Hubert Hackl, Zlatko Trajanoski
The Cancer Genome Atlas revealed the genomic landscapes of human cancers. In parallel, immunotherapy is transforming the treatment of advanced cancers. Unfortunately, the majority of patients do not respond to immunotherapy, making the identification of predictive markers and the mechanisms of resistance an area of intense research. To increase our understanding of tumor-immune cell interactions, we characterized the intratumoral immune landscapes and the cancer antigenomes from 20 solid cancers and created The Cancer Immunome Atlas (https://tcia...
January 3, 2017: Cell Reports
https://www.readbyqxmd.com/read/28018344/adjunct-strategies-for-tuberculosis-vaccines-modulating-key-immune-cell-regulatory-mechanisms-to-potentiate-vaccination
#14
REVIEW
Lakshmi Jayashankar, Richard Hafner
Tuberculosis (TB) remains a global health threat of alarming proportions, resulting in 1.5 million deaths worldwide. The only available licensed vaccine, Bacillus Calmette-Guérin, does not confer lifelong protection against active TB. To date, development of an effective vaccine against TB has proven to be elusive, and devising newer approaches for improved vaccination outcomes is an essential goal. Insights gained over the last several years have revealed multiple mechanisms of immune manipulation by Mycobacterium tuberculosis (Mtb) in infected macrophages and dendritic cells that support disease progression and block development of protective immunity...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/28017801/spatial-avascular-growth-of-tumor-in-a-homogeneous-environment
#15
Louise Viger, Fabrice Denis, Clément Draghi, Thibault Ménard, Christophe Letellier
Describing tumor growth is a key issue in oncology for correctly understanding the underlying mechanisms leading to deleterious cancers. In order to take into account the micro-environment in tumor growth, we used a model describing - at the tissue level - the interactions between host (non malignant), effector immune and tumor cells to simulate the evolution of cancer. The spatial growth is described by a Laplacian operator for the diffusion of tumor cells. We investigated how the evolution of the tumor diameter is related to the dynamics (periodic or chaotic oscillations, stable singular points) underlying the interactions between the different populations of cells in proliferation sites...
December 23, 2016: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/27995439/immuno-oncology-the-third-paradigm-in-early-drug-development
#16
Juan Martin-Liberal, Cinta Hierro, Maria Ochoa de Olza, Jordi Rodon
Clinical researchers in oncology face the difficulty of developing new drugs for treating cancer patients. This challenge nowadays extends towards new horizons since a high number of drugs are developed in each of the three paradigms: classical cytotoxics, new targeted agents, and emergent immunotherapeutic approaches. Over the last decade, there has been an unstoppable progress in this third paradigm, to the extent that in 2013 immunotherapy was granted the scientific breakthrough of the year. However, the novel mechanisms of action of these immunotherapeutic agents entail a whole new series of concepts, resulting in a number of unresolved questions to which clarification is crucial for their success: establishment of accurate preclinical models able to predict human toxicities, better selection of candidate populations, finding and validation of predictive biomarkers, definition of suitable endpoints, improvements in first-in-human study designs, proposal of more accurate radiological response criteria, management of novel immune-related toxicities and development of combinations based on a biological rationale...
December 20, 2016: Targeted Oncology
https://www.readbyqxmd.com/read/27972402/measures-of-clinical-benefit-in-immuno-oncology-studies
#17
L Zhao, Y Zhang, Y Huang, W Huang, P Mukhopadhyay
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27970623/the-quality-adjusted-time-without-symptoms-and-toxicity-q-twist-in-immuno-oncology-a-systematic-review-of-the-literature
#18
Y Wan, M Tai, M Botteman
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27960591/immuno-oncology-for-renal-cell-carcinoma-treatment-future-perspectives-for-combinations-and-sequences-with-molecularly-targeted-agents
#19
Camillo Porta, Ilaria Toscani, Anna M Czarnecka, Cezary A Szczylik
From a theoretical viewpoint, combining molecularly targeted agents endowed with antiangiogenic properties with immunotherapy makes sense in treatment of metastatic renal cell carcinoma (RCC); this neoplasm is highly angiogenesis-dependent, as well as potentially immunogenic. Areas covered: The authors performed a literature search looking for clinical trials aimed at evaluating efficacy and tolerability of combinations (or sequences) of molecularly targeted agents and different immunotherapeutic approaches in metastatic RCC...
February 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/27936870/emerging-biomarkers-for-pd-1-pathway-cancer-therapy
#20
Joline Sj Lim, Raghav Sundar, Maxime Chénard-Poirier, Juanita Lopez, Timothy A Yap
The field of immuno-oncology has witnessed unprecedented success in recent years, with several PD=1 and PD-L1 inhibitors obtaining US FDA registration and breakthrough drug therapy designation in multiple tumor types. Despite its clear efficacy in certain cancers, treatment with these agents carries a risk of immune-related toxicities and substantial financial burden. It is, therefore, critical to identify patients likely to benefit from such immunotherapies and develop strategies to differentiate responders from nonresponders early during treatment...
January 2017: Biomarkers in Medicine
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