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Lung cancer, immunotherapy

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https://www.readbyqxmd.com/read/28212561/the-tlr7-agonist-imiquimod-induces-anti-cancer-effects-via-autophagic-cell-death-and-enhances-anti-tumoral-and-systemic-immunity-during-radiotherapy-for-melanoma
#1
Jeong Hyun Cho, Hyo-Ji Lee, Hyun-Jeong Ko, Byung-Il Yoon, Jongseon Choe, Keun-Cheol Kim, Tae-Wook Hahn, Jeong A Han, Sun Shim Choi, Young Mee Jung, Kee-Ho Lee, Yun-Sil Lee, Yu-Jin Jung
Toll-like receptor (TLR) ligands are strongly considered immune-adjuvants for cancer immunotherapy and have been shown to exert direct anti-cancer effects. This study was performed to evaluate the synergistic anti-cancer and anti-metastatic effects of the TLR7 agonist imiquimod (IMQ) during radiotherapy for melanoma. The pretreatment of B16F10 or B16F1 cells with IMQ combined with γ-ionizing radiation (IR) led to enhanced cell death via autophagy, as demonstrated by increased expression levels of autophagy-related genes, and an increased number of autophagosomes in both cell lines...
February 15, 2017: Oncotarget
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
#2
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/28187172/generation-of-dendritic-cell-based-vaccine-using-high-hydrostatic-pressure-for-non-small-cell-lung-cancer-immunotherapy
#3
Nada Hradilova, Lenka Sadilkova, Ondrej Palata, Dagmar Mysikova, Hana Mrazkova, Robert Lischke, Radek Spisek, Irena Adkins
High hydrostatic pressure (HHP) induces immunogenic death of tumor cells which confer protective anti-tumor immunity in vivo. Moreover, DC pulsed with HHP-treated tumor cells induced therapeutic effect in mouse cancer model. In this study, we tested the immunogenicity, stability and T cell stimulatory activity of human monocyte-derived dendritic cell (DC)-based HHP lung cancer vaccine generated in GMP compliant serum free medium using HHP 250 MPa. DC pulsed with HHP-killed lung cancer cells and poly(I:C) enhanced DC maturation, chemotactic migration and production of pro-inflammatory cytokines after 24h...
2017: PloS One
https://www.readbyqxmd.com/read/28179283/immune-based-therapies-for-non-small-cell-lung-cancer
#4
REVIEW
Hind Rafei, Ehab El-Bahesh, Antoine Finianos, Samah Nassereddine, Imad Tabbara
Lung cancer is the leading cause of cancer-related death worldwide. Treatment of non-small cell lung cancer has evolved tremendously over the past decade. Specifically, immune checkpoint inhibitors have become an increasingly interesting target of pharmacological blockade. These immune inhibitors have shown promising results in front-line therapy and after failure of multiple lines, as well as in monotherapy and combination with other therapies. Vaccination in non-small cell lung cancer is also an emerging field of research that holds promising results for the future of immunotherapy in non-small cell lung cancer...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28178709/neoplastic-meningitis-due-to-lung-breast-and-melanoma-metastases
#5
Emilie Le Rhun, Sophie Taillibert, Marc C Chamberlain
BACKGROUND: Neoplastic meningitis, a central nervous system (CNS) complication of cancer metastatic to the meninges and cerebrospinal fluid (CSF), is relevant to oncologists due to the impact of the disease on patient quality of life and survival rates. METHODS: A review of the literature of articles published in English was conducted with regard to neoplastic meningitis. RESULTS: The incidence of neoplastic meningitis is increasing because patients with cancer are surviving longer in part because of the use of novel therapies with poor CNS penetration...
January 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28178631/establishment-of-a-spontaneous-metastasis-tumor-model-for-human-erbb-2-vaccine
#6
Xin Dai, Yu He, Wenbing Yao, Xiangdong Gao
Human ErbB-2 (Her-2) is a critical target for cancer immunotherapy, and its over-expression can promote cancer migration and invasion. Compared with passive antibody therapy, vaccination treatment is more effective in the prevention of cancer recurrence. BALB-neuT mouse is a spontaneous metastasis tumor model used for testing the anti-tumor metastatic effect of rat ErbB-2 (neu) vaccine. However, no spontaneous metastasis tumor model used for evaluating Her-2 vaccine has been developed. In the current study, we attempted to use murine melanoma cell lines to establish a stable spontaneous metastasis tumor model for Her-2 vaccines...
February 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28174389/-molecular-biology-for-surgical-treatment-of-lung-cancer
#7
Kenichi Suda, Tetsuya Mitsudomi
Progress in lung cancer research achieved during the last 10 years was summarized. These include identification of novel driver mutations and application of targeted therapies, resistance mechanisms to targeted therapies, and immunotherapy with immune checkpoint inhibitors. Molecular biology also affects the field of surgical treatment. Several molecular markers have been reported to predict benign/ malignant or stable/growing tumors, although far from clinical application. In perioperative period, there is a possibility of atrial natriuretic peptide to prevent cancer metastasis...
January 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28168606/strategies-for-translating-evidence-based-medicine-in-lung-cancer-into-community-practice
#8
REVIEW
Stephen A Rosenberg, Andrew M Baschnagel, Stephen J Bagley, Nadine Housri
The landscape of non-small cell lung cancer (NSCLC) treatment has rapidly evolved over the past decade. This is exemplified by the use of molecular targeted agents, immunotherapies, and newer technologies such as stereotactic body radiotherapy (SBRT). As the translation of preclinical discoveries into clinical practice continues, the effective dissemination and implementation of evidence-based treatment of NSCLC will remain a foremost challenge for oncologists. To further extend evidence-based medicine into the community setting, community oncologists are being engaged on multiple fronts including leadership and participation in national clinical trials and utilization of internet-based resources...
January 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28162945/postoperative-adjuvant-systemic-therapy-in-completely-resected-non-small-cell-lung-cancer-a-systematic-review
#9
REVIEW
Penelope Bradbury, Duvaraga Sivajohanathan, Adrien Chan, Swati Kulkarni, Yee Ung, Peter M Ellis
The purpose of the present review was to determine whether the use of postoperative adjuvant systemic therapy in patients with completely resected non-small-cell lung cancer (NSCLC) improves survival. Cancer Care Ontario's Program in Evidence-Based Care reviewed the evidence to update previously published recommendations for patients with completely resected NSCLC. Relevant studies were identified from a systematic MEDLINE, EMBASE, and Cochrane Database of Systematic Reviews search of studies published from 2010 to 2016...
July 12, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28159404/-pd1-pd-l1-immunohistochemistry-in-thoracic-oncology-where-are-we
#10
Paul Hofman, Marius Ilié, Sandra Lassalle, Elodie Long, Coraline Bence, Catherine Butori, Véronique Hofman
The assays for the assessment of the PD-L1 status by immunohistochemistry are available in clinical studies in thoracic oncology to predict response to immunotherapies targeting the PD-1/PD-L1 pathway. With the arrival of this new class of molecules in second line and very soon in first line of treatment for patients with advanced or metastatic non-small cell lung cancer, these tests will certainly be required in routine once these new drugs will be granted marketing authorization. The rapid introduction of these "companion" or "complementary" tests seems essential to select patients to benefit from these effective but also expensive and sometimes toxic therapies...
January 31, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28156657/toxicities-of-the-anti-pd-1-immune-checkpoint-antibody-nivolumab-in-the-acute-inpatient-setting
#11
(no author information available yet)
: 227 Background: Knowledge of immune-system regulation led to the discovery of immune checkpoints molecules, which have demonstrated anti-tumor activity across various malignancies. These advances represent a new set of challenges for clinicians, including non-oncologists treating the cancer patient, who must develop a working knowledge of the mode of action of these agents, their unique response kinetics, and how to diagnose and effectively manage their toxicities. Nivolumab is a monoclonal immune checkpoint antibody that binds to the PD-1 receptor on T-cells, blocking PD-1 pathway-mediated anti-tumor immune response inhibition...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28156542/the-level-of-soluble-programmed-death-ligand-1-in-lung-cancer-an-exploratory-biomarker-study
#12
Li Pan, Sutang Guo, Jiexian Jing, Xu Dong Zhang, Xia Song
: 249 Background: A new approach to immunotherapy based on programmed death 1 (PD-1) and programmed death ligand-1 (PD-L1) pathway represents a remarkable innovation in lung cancer treatment. There is growing evidence that lung cancer cells exploit the PD-L1 to cause local immune-suppression. The aim of this prospective study was to investigate the prevalence and prognostic roles of soluble PD-L1 (sPD-L1) protein in the blood of patients with lung cancer. METHODS: A total of 159 patients with lung cancer who were diagnosed by histopathology or cytopathology between July 2013 and October 2015 were enrolled...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28154808/patient-derived-xenograft-models-of-non-small-cell-lung-cancer-and-their-potential-utility-in-personalized-medicine
#13
Katherine M Morgan, Gregory M Riedlinger, Jeffrey Rosenfeld, Shridar Ganesan, Sharon R Pine
Traditional preclinical studies of cancer therapeutics have relied on the use of established human cell lines that have been adapted to grow in the laboratory and, therefore, may deviate from the cancer they were meant to represent. With the emphasis of cancer drug development shifting from non-specific cytotoxic agents to rationally designed molecularly targeted therapies or immunotherapy comes the need for better models with predictive value regarding therapeutic activity and response in clinical trials. Recently, the diversity and accessibility of immunodeficient mouse strains has greatly enhanced the production and utility of patient-derived xenograft (PDX) models for many tumor types, including non-small cell lung cancer (NSCLC)...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28152846/cancer-communication-in-the-social-media-age-could-twitter-help-clinical-trial-accrual
#14
Roger B Cohen, Raina M Merchant, Marilyn M Schapira
: 194 Background: Twitter, a social networking site, is transforming communication. Effective use of Twitter might be one way to communicate with the public about cancer clinical trials and increase awareness and perhaps enrollment. We conducted a content analysis of tweets about lung cancer, describing dialogues specific to lung cancer clinical trials and seeing where embedded-links in tweets about therapeutic trials are leading the public. METHODS: We used the Twitter search engine to identify a cohort of 26,059 tweets with the keyword "lung cancer" from January 5 - 21, 2015...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152514/high-pd-l1-expression-is-associated-with-stage-iv-disease-and-poorer-overall-survival-in-186-cases-of-small-cell-lung-cancers
#15
Yih-Leong Chang, Ching-Yao Yang, Yen-Lin Huang, Chen-Tu Wu, Pan-Chyr Yang
BACKGROUND: Small cell lung cancer (SCLC) is an aggressive malignancy with a distinct natural history and dismal prognosis. SCLC is characterized as a recalcitrant neoplasm with limited therapeutic options and platinum-based chemotherapy is the treatment of choice. Programmed cell death-ligand 1(PD-L1)-mediated immune escape may be a suitable target for specific therapy, but its role in SCLC is unclear. MATERIALS AND METHODS: In total, 186 SCLC cases were investigated...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28151378/checkpoint-inhibition-new-treatment-options-in-urologic-cancer
#16
Daan Joost De Maeseneer, Brant Delafontaine, Sylvie Rottey
Both urothelial (UC) and renal cell cancer (RCC) are highly immunogenic tumours. Recent advances in cellular immunity understanding have resulted in a successful new class of therapeutic agents. Interaction between the programmed cell death 1 (PD1) on regulatory T-cells (Treg) and programmed cell death 1 ligand (PDL1) on cancer cells inhibits an effective immune response and is an important mechanism for cancer cells to evade the immune system. Monoclonal anti-PD1 and anti-PDL1 antibodies inhibit this interaction and are called checkpoint inhibitors...
February 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28149767/metastatic-lymphoepithelioma-like-carcinoma-of-the-lung-treated-with-nivolumab-a-case-report-and-focused-review-of-literature
#17
Chul Kim, Arun Rajan, Pedro A DeBrito, Giuseppe Giaccone
In recent years, significant advances have been made in cancer immunotherapy. Here, we present the first report of a patient with lymphoepithelioma-like carcinoma (LELC) of the lung, an Epstein-Barr virus (EBV)-associated lung cancer, who was treated with nivolumab, a fully human IgG4 anti-PD-1 monoclonal antibody. We also carry out a focused review to identify and examine studies of LELC of the lung in the literature. This case report highlights the need to further assess the role of immune checkpoint inhibitors in LELC of the lung...
December 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28145884/the-significance-of-programmed-cell-death-ligand-1-expression-in-resected-lung-adenocarcinoma
#18
Shafei Wu, Xiaohua Shi, Jian Sun, Yuanyuan Liu, Yufeng Luo, Zhiyong Liang, Jinghui Wang, Xuan Zeng
BACKGROUND: Lung adenocarcinoma (AD) is a common variant of non-small cell lung cancer (NSCLC). Programmed cell death protein 1/programmed cell death ligand 1 (PD1/PD-L1) are promising immunotherapy targets and its expression may be an important biomarker of predicting clinical response. In this study, we evaluated PD-L1 expression in conjunction with clinicopathological characteristics and outcomes in resected lung adenocarcinoma. RESULTS: This study included 133 cases of lung adenocarcinoma...
January 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28132868/lag-3-protein-expression-in-non-small-cell-lung-cancer-and-its-relationship-with-pd-1-pd-l1-and-tumor-infiltrating-lymphocytes
#19
Yayi He, Hui Yu, Leslie Rozeboom, Christopher J Rivard, Kim Ellison, Rafal Dziadziuszko, Kenichi Suda, Shengxiang Ren, Chunyan Wu, Likun Hou, Caicun Zhou, Fred R Hirsch
BACKGROUND: Immunotherapy targeting the programmed death-1 (PD-1) / programmed death ligand-1 (PD-L1) checkpoint has shown promising efficacy in patients with non-small cell lung cancer (NSCLC). Lymphocyte activation gene-3 (LAG-3) is another important checkpoint, and its role in NSCLC is still not clear. In this study, we investigated LAG-3 protein expression and its correlation with PD-1, PD-L1, tumor-infiltrating lymphocytes (TILs), and association with survival in NSCLC. METHODS: The expression of LAG-3 (EPR4392, Abcam) protein was assessed in 55 NSCLC cell lines by immunohistochemistry (IHC)...
January 26, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28131419/-predictive-biomarkers-of-efficacy-of-checkpoint-blockade-inhibitors-in-cancer-treatment
#20
Michaël Duruisseaux, Cécile Lize-Dufranc, Céline Badoual, Frédéric Bibeau
The remarkable efficacy of PD-1/PD-L1 and CTLA4 immune checkpoint inhibitors has led to numerous approvals in melanoma, non-small cell lung cancer, kidney cancer and several other cancers. Nevertheless, a response is observed in a variable proportion of patients, emphasizing the need for predictive biomarkers of efficacy of immune checkpoint inhibitors effectiveness. Several predictive biomarkers of efficacy are of interest: companion tests such PD-L1 immunohistochemistry, the mutational load, the immune status of the tumor and its molecular profile...
January 25, 2017: Annales de Pathologie
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