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tumor infiltrating lymphocytes

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https://www.readbyqxmd.com/read/29147628/trial-watch-adoptively-transferred-cells-for-anticancer-immunotherapy
#1
REVIEW
Carole Fournier, François Martin, Laurence Zitvogel, Guido Kroemer, Lorenzo Galluzzi, Lionel Apetoh
Immunotherapies aimed at strengthening immune effector responses against malignant cells are growing at exponential rates. Alongside, the impressive benefits obtained by patients with advanced melanoma who received adoptively transferred tumor-infiltrating lymphocytes (TILs) have encouraged the scientific community to pursue adoptive cell transfer (ACT)-based immunotherapy. ACT involves autologous or allogenic effector lymphocytes that are generally obtained from the peripheral blood or resected tumors, expanded and activated ex vivo, and administered to lymphodepleted patients...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147626/functional-t-cells-targeting-tumor-associated-antigens-are-predictive-for-recurrence-free-survival-of-patients-with-radically-operated-non-small-cell-lung-cancer
#2
Seyer Safi, Yoshikane Yamauchi, Anchana Rathinasamy, Slava Stamova, Martin Eichhorn, Arne Warth, Geraldine Rauch, Hendrik Dienemann, Hans Hoffmann, Philipp Beckhove
In this prospective study, we examined postoperative follow-up and preoperative IFN-γ T cell responses against 14 non-small cell lung cancer (NSCLC)-associated antigens in the blood of 51 patients with NSCLC, 7 patients with benign pulmonary tumors, and 10 tumor-free patients by enzyme-linked immunospot assay. The phenotype and function of T cells specific for tumor-associated antigens (TAAs) in the blood or tumor tissue of 9 NSCLC patients were characterized in detail using TNF-α, IL-2, and IFN-γ cytokine capture assays...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147610/host-immune-response-index-in-gastric-cancer-identified-by-comprehensive-analyses-of-tumor-immunity
#3
Charny Park, Junhun Cho, Jeeyun Lee, So Young Kang, Ji Yeong An, Min Gew Choi, Jun Ho Lee, Tae Sung Sohn, Jae Moon Bae, Sung Kim, Seung Tae Kim, Se Hoon Park, Joon Oh Park, Won Ki Kang, Insuk Sohn, Sin Ho Jung, Myung-Soo Kang, Kyoung-Mee Kim
Tumor infiltrating lymphocytes (TIL) in Epstein-Barr virus (EBV)-associated/microsatellite-unstable (MSI) gastric carcinomas (GC) constitute immune-active principal cellular components of tumor microenvironment and contribute to better prognosis. With the remarkable success of cancer immunotherapies, there is an urgent need for a comprehensive understanding of tumor-immune interactions in patients with GC in the context of host immune response. To identify GC subtype-specific immune response gene set, we tested differentially expressed genes for MSI and EBV+ GC subtypes in randomly selected test set (n = 278) in merged ACRG-SMC microarray and TCGA RNA sequencing data set...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147608/the-prognostic-role-of-tumor-infiltrating-t-lymphocytes-in-squamous-cell-carcinoma-of-the-head-and-neck-a-systematic-review-and-meta-analysis
#4
REVIEW
Emma J de Ruiter, Marc L Ooft, Lot A Devriese, Stefan M Willems
Background - The presence of tumor-infiltrating lymphocytes (TILs) in the tumor microenvironment is associated with an improved prognosis and a better response to therapy in different types of cancer. In this systematic review and meta-analysis, we investigated the prognostic value of T cells in head and neck squamous cell carcinoma (HNSCC). Methods - In a systematic review, Pubmed and Embase were searched for publications that investigated the prognostic value of T cells in HNSCC. A meta-analysis was performed including all studies assessing the association between CD3+, CD4+, CD8+, and FoxP3+ TILs and overall survival (OS), disease-free survival (DFS), or locoregional control (LRC)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147607/immune-signature-profiling-identified-predictive-and-prognostic-factors-for-esophageal-squamous-cell-carcinoma
#5
Yuan Li, Zhiliang Lu, Yun Che, Jingnan Wang, Shouguo Sun, Jianbing Huang, Shuangshuang Mao, Yuanyuan Lei, Zhaoli Chen, Jie He
Understanding interactions between tumor and the host immune system holds great promise to uncover biomarkers for targeted therapies and clinical outcomes. However, systematical analysis of immune signatures in esophageal squamous cell carcinoma (ESCC) remains largely unstudied. In this study, immune signatures containing 708 immune related genes were curated from mRNA microarray data with tumor and paired normal tissues from 119 ESCC patients. Differential expression and survival analysis were performed with validations from Human Protein Atlas and an independent cohort of 110 ESCC patients by immunohistochemistry staining...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147604/tap1-down-regulation-elicits-immune-escape-and-poor-prognosis-in-colorectal-cancer
#6
Agnes Ling, Anna Löfgren-Burström, Pär Larsson, Xingru Li, Maria L Wikberg, Åke Öberg, Roger Stenling, Sofia Edin, Richard Palmqvist
The anti-tumor immune response has been shown to be of great prognostic importance in colorectal cancer (CRC) and so has the tumors ability for immune evasion. Our aim of this study was to investigate tumor factors that influence immunity. We used a gene expression array to search for potential mechanisms of tumor immune escape. One candidate gene identified was TAP1, involved in antigen presentation by MHC class I. TAP1 protein expression was evaluated by immunohistochemistry in 436 CRC patients of the Colorectal Cancer in Umeå Study cohort...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29145885/future-perspectives-in-melanoma-research-melanoma-bridge-napoli-november-30th-3rd-december-2016
#7
Paolo A Ascierto, Sanjiv S Agarwala, Gennaro Ciliberto, Sandra Demaria, Reinhard Dummer, Connie P M Duong, Soldano Ferrone, Silvia C Formenti, Claus Garbe, Ruth Halaban, Samir Khleif, Jason J Luke, Lluis M Mir, Willem W Overwijk, Michael Postow, Igor Puzanov, Paul Sondel, Janis M Taube, Per Thor Straten, David F Stroncek, Jennifer A Wargo, Hassane Zarour, Magdalena Thurin
Major advances have been made in the treatment of cancer with targeted therapy and immunotherapy; several FDA-approved agents with associated improvement of 1-year survival rates became available for stage IV melanoma patients. Before 2010, the 1-year survival were quite low, at 30%; in 2011, the rise to nearly 50% in the setting of treatment with Ipilimumab, and rise to 70% with BRAF inhibitor monotherapy in 2013 was observed. Even more impressive are 1-year survival rates considering combination strategies with both targeted therapy and immunotherapy, now exceeding 80%...
November 16, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29144206/c-jun-expression-in-lichen-planus-psoriasis-and-cutaneous-squamous-cell-carcinoma-an-immunohistochemical-study
#8
Asmaa Gaber Abdou, Alaa Hassan Marae, Mohammed Shoeib, Ghada Dawood, Enas Abouelfath
The AP-1 transcription factor complex is a key player in regulating inflammatory processes, cell proliferation, differentiation and cell transformation. The aim of the present study is to investigate C-Jun (one of AP-1complex) expression and its proliferative role in skin samples of lichen planus, psoriasis as common inflammatory skin diseases and squamous cell carcinoma using immunohistochemical method. The present study was carried out on skin biopsies of 15 psoriatic patients, 15 lichen planus patients, 15 SCC and 15 normal skin biopsies...
November 16, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/29137886/diesel-exhaust-inhalation-exposure-induces-pulmonary-arterial-hypertension-in-mice
#9
Jing Liu, Xiaoqing Ye, Dapeng Ji, Xiaofei Zhou, Cong Qiu, Weiping Liu, Luyang Yu
Diesel exhaust (DE) is one of the main sources of urban air pollution. An increasing number of evidence showed the association of air pollution with cardiovascular diseases. Pulmonary arterial hypertension (PAH) is one of the most disastrous vascular diseases, which results in right ventricular failure and death. However, the relationship of DE inhalation exposure with PAH is still unknown. In this study, male adult mice were exposed by inhalation to filtered ambient air (negative control), 10% O2 hypoxia (PAH-phenotype positive control), 350 μg/m(3) particulate matter whole DE, or the combination of DE and hypoxic condition...
November 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29137398/prognostic-significance-of-pd-l1-expression-and-tumor-infiltrating-lymphocyte-in-surgically-resectable-non-small-cell-lung-cancer
#10
Gen Lin, Xirong Fan, Weifeng Zhu, Cheng Huang, Wu Zhuang, Haipeng Xu, Xiandong Lin, Dan Hu, Yunjian Huang, Kan Jiang, Qian Miao, Chao Li
Programmed death ligand 1 (PD-L1) expression is a predictive biomarker of the success of PD-1/PD-L1 inhibitor therapy for patients with advanced non-small cell lung cancer (NSCLC) but its role as a prognostic marker for early stage resectable NSCLC remains unclear. Here, we studied PD-L1 expression and tumor infiltrating lymphocytes (TILs) in surgically resectable NSCLC and correlate the finding with clinicopathological features and patient outcomes. Total of 170 archival samples of resectable NSCLC were probed for PD-L1 expression using the clone 22C3 pharmDx kit...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137242/immune-profiling-of-nf1-associated-tumors-reveals-histologic-subtype-distinctions-and-heterogeneity-implications-for-immunotherapy
#11
Kellie B Haworth, Michael A Arnold, Christopher R Pierson, Kwangmin Choi, Nicholas D Yeager, Nancy Ratner, Ryan D Roberts, Jonathan L Finlay, Timothy P Cripe
Successful treatment of neurofibromatosis type 1 (NF1)-associated tumors poses a significant clinical challenge. While the primary underlying genetic defect driving RAS signaling is well described, recent evidence suggests immune dysfunction contributes to tumor pathogenesis and malignant transformation. As immunologic characterizations, prognostic and predictive of immunotherapeutic clinical response in other cancers, are not fully described for benign and malignant NF1-related tumors, we sought to define their immunologic profiles...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135509/unilesional-follicular-mycosis-fungoides-report-of-6-cases-and-review-of-the-literature
#12
Cynthia M Magro, Gladys H Telang, Shabnam Momtahen
Unilesional follicular mycosis fungoides (MF) is a rare variant of cutaneous T-cell lymphoma characterized by selective involvement of the hair follicles by neoplastic T lymphocytes presenting initially as a solitary lesion occupying less than 5% of the body surface; there are 22 previous reported cases. We describe 6 patients with this rare variant of MF, all males (age range 6-64 years; mean age: 28 years) presenting with a solitary lesion primarily on the face and scalp except 1 patient who presented with a truncal lesion...
October 24, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29129094/rational-combination-of-immunotherapy-for-triple-negative-breast-cancer-treatment
#13
Chia-Wei Li, Seung-Oe Lim, Jennifer L Hsu, Mien-Chie Hung
Recent evidence indicates that tumor infiltrating lymphocytes (TILs), including cytotoxic T cells, are present in the tumor microenvironment of triple-negative breast cancers (TNBC). Despite the presence of cytotoxic T cells, these tumors still develop, progress, and metastasize, suggesting evasion of immune response. One mechanism of immunosuppression is the presence of the T cell inhibitory molecule, programmed death protein 1 (PD-1), on infiltrating T cells and its cognate ligand programmed death ligand 1 (PD-L1) on tumor cells, myeloid dendritic cells (DCs), and macrophages, in the tumor microenvironment...
October 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/29128596/comparison-of-the-histologic-risk-assessment-model-between-lower-lip-and-oral-squamous-cell-carcinoma
#14
Mojgan Alaeddini, Shahroo Etemad-Moghadam
INTRODUCTION: The histologic risk assessment (HRA) grading system was proposed as a practical measure to predict clinical outcome and its effectiveness has been shown in several studies. It has been suggested that the HRA model might exhibit differences among various oral subsites. The aim of the present study was to compare this system between squamous cell carcinomas (SCCs) of the lower lip (LL) and oral cavity. MATERIALS AND METHODS: All primary SCCs located in the LL and oral cavity were retrieved and graded using the HRA model...
November 8, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29128181/predictive-relevance-of-programmed-cell-death-protein-1-and-tumor-infiltrating-lymphocyte-expression-in-papillary-thyroid-cancer
#15
Marra J Aghajani, Tao Yang, Charles E McCafferty, Susannah Graham, Xiaojuan Wu, Navin Niles
BACKGROUND: Co-signaling molecule programmed cell death 1 ligand 1 has been shown to induce potent inhibition of T cell-mediated antitumoral immunity. Our study aimed to investigate the prognostic value of programmed cell death 1 ligand 1 expression and tumor-infiltrating lymphocyte density as biomarkers in specimens from patients with papillary thyroid cancer. METHODS: We retrospectively analyzed the data and tissue samples of 75 patients with papillary thyroid cancer...
November 8, 2017: Surgery
https://www.readbyqxmd.com/read/29126881/triple-negative-breast-cancer-key-role-of-tumor-associated-macrophages-in-regulating-the-activity-of-anti-pd-1-pd-l1-agents
#16
REVIEW
Matteo Santoni, Emanuela Romagnoli, Tiziana Saladino, Laura Foghini, Stefania Guarino, Marco Capponi, Massimo Giannini, Paolo Decembrini Cognigni, Gerardo Ferrara, Nicola Battelli
Triple-negative breast cancer (TNBC) is associated with a poor prognosis, due to its aggressive behaviour and lack of effective targeted therapies. Immunocheckpoint inhibitors, such as anti-programmed cell death 1 (PD-1) and anti-PD-ligand(L)1 agents, are in course of investigation in TNBC, used alone or in combination with other systemic or local approaches. However, the high cost of these drugs and the lack of validated predictive biomarkers support the development of strategies aimed to overcome resistance and optimize the efficacy of these approaches...
November 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29123967/ionizing-radiation-sensitizes-tumors-to-pd-l1-immune-checkpoint-blockade-in-orthotopic-murine-head-and-neck-squamous-cell-carcinoma
#17
Ayman Oweida, Shelby Lennon, Dylan Calame, Sean Korpela, Shilpa Bhatia, Jaspreet Sharma, Caleb Graham, David Binder, Natalie Serkova, David Raben, Lynn Heasley, Eric Clambey, Raphael Nemenoff, Sana D Karam
Immunotherapy clinical trials targeting the programmed-death ligand axis (PD-1/PD-L1) show that most head and neck squamous cell carcinoma (HNSCC) patients are resistant to PD-1/PD-L1 inhibition. We investigated whether local radiation to the tumor can transform the immune landscape and render poorly immunogenic HNSCC tumors sensitive to PD-L1 inhibition. We used the first novel orthotopic model of HNSCC with genetically distinct murine cell lines. Tumors were resistant to PD-L1 checkpoint blockade, harbored minimal PD-L1 expression and tumor infiltrating lymphocytes at baseline, and were resistant to radiotherapy...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29123962/distinctive-features-of-tumor-infiltrating-%C3%AE-%C3%AE-t-lymphocytes-in-human-colorectal-cancer
#18
S Meraviglia, E Lo Presti, M Tosolini, C La Mendola, V Orlando, M Todaro, V Catalano, G Stassi, G Cicero, S Vieni, J J Fourniè, F Dieli
γδ T cells usually infiltrate many different types of cancer, but it is unclear whether they inhibit or promote tumor progression. Moreover, properties of tumor-infiltrating γδ T cells and those in the corresponding normal tissue remain largely unknown. Here we have studied features of γδ T cells in colorectal cancer, normal colon tissue and peripheral blood, and correlated their levels with clinicopathologic hallmarks. Flow cytometry and transcriptome analyses showed that the tumor comprised a highly variable rate of TILs (5-90%) and 4% γδ T cells on average, with the majority expressing Vδ1...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29123960/the-sting-agonist-dmxaa-triggers-a-cooperation-between-t-lymphocytes-and-myeloid-cells-that-leads-to-tumor-regression
#19
Julia M Weiss, Marion V Guérin, Fabienne Regnier, Gilles Renault, Isabelle Galy-Fauroux, Lene Vimeux, Vincent Feuillet, Elisa Peranzoni, Maxime Thoreau, Alain Trautmann, Nadège Bercovici
Regressing tumors are usually associated with a large immune infiltrate, but the molecular and cellular interactions that govern a successful anti-tumor immunity remain elusive. Here, we have triggered type I Interferon (IFN) signaling in a breast tumor model (MMTV-PyMT) using 5,6-dimethylxanthenone-4-acetic acid (DMXAA), a ligand of the STimulator of Interferon Genes, STING. The 2 main events rapidly triggered by DMXAA in transplanted PyMT tumors are 1) the disruption of the tumor vasculature, followed by hypoxia and cell death; 2) the release of chemokines...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29123959/immunological-efficacy-of-glypican-3-peptide-vaccine-in-patients-with-advanced-hepatocellular-carcinoma
#20
Nobuhiro Tsuchiya, Toshiaki Yoshikawa, Norihiro Fujinami, Keigo Saito, Shoichi Mizuno, Yu Sawada, Itaru Endo, Tetsuya Nakatsura
We have previously conducted a phase I trial to test the efficacy of a glypican-3 (GPC3) peptide vaccine in patients with advanced hepatocellular carcinoma (HCC); however, its immunological mechanism of action remains unclear. Here, we report a pilot study conducted to evaluate the immunological mechanisms of action of this GPC3 peptide vaccine (UMIN-CTR number 000005093). Eleven patients with advanced HCC were vaccinated with the GPC3 peptide in this trial. The primary end point was GPC3 peptide-specific immune response induced by the GPC3 peptide vaccination...
2017: Oncoimmunology
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