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https://www.readbyqxmd.com/read/28441795/yji-7-suppresses-ros-production-and-expression-of-inflammatory-mediators-via-modulation-of-p38mapk-and-jnk-signaling-in-raw-264-7-macrophages
#1
Hye Jin Oh, Til Bahadur Thapa Magar, Nirmala Tilija Pun, Yunji Lee, Eun Hye Kim, Eung-Seok Lee, Pil-Hoon Park
Chalcone, (2E)-1,3-Diphenylprop-2-en-1-one, and its synthetic derivatives are known to possess anti-oxidative and anti-inflammatory properties. In the present study, we prepared a novel synthetic chalcone compound, (E)-1-(4-hydroxyphenyl)-3-(2-(trifluoromethoxy)phenyl)prop-2-en-1-one name (YJI-7), and investigated its inhibitory effects on endotoxin-stimulated production of reactive oxygen species (ROS) and expression of inflammatory mediators in macrophages. We demonstrated that treatment of RAW 264.7 macrophages with YJI-7 significantly suppressed lipopolysaccharide (LPS)-stimulated ROS production...
April 6, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28440333/immunotherapy-cul-til-vating-uveal-melanoma-regression
#2
Lisa Hutchinson
No abstract text is available yet for this article.
April 25, 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28438294/a-model-using-concomitant-markers-for-predicting-outcome-in-human-papillomavirus-positive-oropharyngeal-cancer
#3
Cinzia Bersani, Michael Mints, Nikolaos Tertipis, Linnea Haeggblom, Lars Sivars, Andreas Ährlund-Richter, Andrea Vlastos, Cecilia Smedberg, Nathalie Grün, Eva Munck-Wikland, Anders Näsman, Torbjörn Ramqvist, Tina Dalianis
OBJECTIVE: Head-neck cancer therapy has become intensified. With radiotherapy alone, 3-year disease-free survival (DFS) is 80% for HPV-positive TSCC/BOTSCC and better for patients with favorable characteristics, suggesting therapy could be tapered for some, decreasing side-effects. Therefore, we built a model to predict progression-free survival for patients with HPV-positive TSCC and BOTSCC. MATERIAL AND METHODS: TSCC/BOTSCC patients treated curatively between 2000 and 2011, with HPV16 DNA/E7 mRNA positive tumors examined for CD8(+) TILs, HPV16 mRNA and HLA class I expression were included...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28431188/t-cell-receptor-%C3%AE-chain-repertoire-analysis-reveals-the-association-between-neoantigens-and-tumour-infiltrating-lymphocytes-in-multifocal-papillary-thyroid-carcinoma
#4
Zheming Lu, Chaoting Zhang, Jindong Sheng, Jing Shen, Baoguo Liu
To explore whether a few non-synonymous somatic mutations could induce activation and proliferation of neoantigen-specific tumour-infiltrating lymphocytes (TILs) in tumours with low mutation rates, we analysed a patient with multifocal papillary thyroid carcinoma (seven non-contiguous cancer foci) to investigate the relationship between neoantigens and TILs. These seven foci had a few or no non-synonymous somatic mutations; moreover, multiple loci had similar or different spectra of mutations. We used high-throughput sequencing of the rearranged genes in T cell receptor β-chain (TCRβ) to reveal the basic characteristics of T cells in seven tumour foci and matched adjacent normal tissue...
April 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28429196/expression-of-programmed-cell-death-protein-1-by-tumor-infiltrating-lymphocytes-and-tumor-cells-is-associated-with-advanced-tumor-stage-in-patients-with-esophageal-adenocarcinoma
#5
Dagmar Kollmann, Desislava Ignatova, Julia Jedamzik, Yun-Tsan Chang, Gerd Jomrich, Matthias Paireder, Ivan Kristo, Dmitry Kazakov, Michal Michal, Antonio Cozzio, Wolfram Hoetzenecker, Tobias Schatton, Reza Asari, Matthias Preusser, Emmanuella Guenova, Sebastian F Schoppmann
BACKGROUND: Despite recent advances in the therapy for adenocarcinoma of the esophagogastric junction (AEG), overall prognosis remains poor. Programmed cell death protein 1 (PD1) is a co-inhibitory receptor primarily expressed by T-cells. Tumor cells can escape anticancer immune responses by triggering the PD1 pathway. Moreover, PD1 receptor engagement on cancer cells may trigger tumor-intrinsic growth signals. This study aimed to evaluate the potential clinical relevance of PD1 expression by tumor-infiltrating lymphocytes (TILs) and cancer cells in the AEG...
April 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28428277/immune-gene-expression-is-associated-with-genomic-aberrations-in-breast-cancer
#6
Anton Safonov, Tingting Jiang, Giampaolo Bianchini, Balázs Győrffy, Thomas Karn, Christos Hatzis, Lajos Pusztai
The presence of tumor-infiltrating lymphocytes (TIL) is a favorable prognostic factor in breast cancer, but what drives immune infiltration remains unknown. Here we examine if clonal heterogeneity, total mutation load, neoantigen load, copy number variations (CNV), gene- or pathway-level somatic mutations, or germline polymorphisms (SNP) are associated with immune metagene expression in breast cancer subtypes. Thirteen published immune metagenes correlated separately with genomic metrics in the 3 major breast cancer subtypes...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28427753/prognostic-markers-in-oropharyngeal-squamous-cell-carcinoma-focus-on-cd70-and-tumour-infiltrating-lymphocytes
#7
Astrid De Meulenaere, Tijl Vermassen, Sandrine Aspeslagh, Karen Zwaenepoel, Philippe Deron, Fréderic Duprez, Sylvie Rottey, Liesbeth Ferdinande
We evaluated the expression of CD70 as biomarker for prognosis in patients with oropharyngeal squamous cell carcinoma (OSCC). We also examined the prognostic value of tumour infiltrating lymphocytes (TILs) in our study cohort. Formalin fixed, paraffin embedded tissue originating from the oropharynx of 78 patients was immunohistochemically stained for CD70, CD3, CD8 and FoxP3. Expression of CD70, CD3, CD8, FoxP3 and HPV status was correlated with clinicopathological characteristics. Overall survival (OS) was determined by a log-rank (Mantel-Cox) test whereas the Cox proportional hazard model was used for multivariate analysis...
April 17, 2017: Pathology
https://www.readbyqxmd.com/read/28426105/the-prevalence-and-clinical-relevance-of-tumor-infiltrating-lymphocytes-tils-in-ductal-carcinoma-in-situ-of-the-breast
#8
G Pruneri, M Lazzeroni, V Bagnardi, G B Tiburzio, N Rotmensz, A DeCensi, A Guerrieri-Gonzaga, A Vingiani, G Curigliano, S Zurrida, F Bassi, R Salgado, G Van den Eynden, S Loi, C Denkert, B Bonanni, G Viale
Background: Tumor-infiltrating lymphocytes (TILs) are a robust prognostic adjunct in invasive breast cancer, but their clinical role in ductal carcinoma in situ (DCIS) has not been ascertained. Patients and methods: We evaluated the prevalence and clinical relevance of TILs in a well annotated series of 1488 consecutive DCIS women with a median follow-up of 8.2 years. Detailed criteria for TILs evaluation were pre-defined involving the International Immuno-Oncology Biomarker Working Group...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28425129/role-of-sialyl-6-sulfo-lewis-x-in-anti-tumor-immunity-against-oral-squamous-cell-carcinoma
#9
Hisato Yoshida, Hitomi Hoshino, Yoshiaki Imamura, Hitoshi Yoshimura, Kazuo Sano, Motohiro Kobayashi
BACKGROUND: Tumor-infiltrating lymphocytes (TILs) reportedly play a pivotal role in anti-tumor immunity against oral squamous cell carcinoma (OSCC); however, mechanisms governing TIL recruitment to OSCC tissues remain to be clarified. The present study was undertaken to assess a potential association between TILs and high endothelial venule (HEV)-like vessels that express sialyl 6-sulfo Lewis X (LeX). METHODS: OSCC tissue sections (n = 41) were subjected to immunohistochemistry for sialyl 6-sulfo LeX and CD34 to allow quantitation of HEV-like vessels...
April 20, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28423678/influence-of-ipilimumab-on-expanded-tumour-derived-t-cells-from-patients-with-metastatic-melanoma
#10
Jon Bjoern, Rikke Lyngaa, Rikke Andersen, Lisbet Hölmich Rosenkrantz, Sine Reker Hadrup, Marco Donia, Inge Marie Svane
INTRODUCTION: Tumour infiltrating lymphocyte (TIL) based adoptive cell therapy (ACT) is a promising treatment for patients with advanced melanoma. Retrospective studies suggested an association between previous treatment with anti-CTLA-4 antibodies and long term survival after subsequent ACT. Thus, we hypothesized that treatment with anti-CTLA-4 antibodies can induce favourable changes to be detected in TILs. RESULTS: Expanded T cells from Ipilimumab treated patients had a higher proportion of cells expressing CD27, intracellular CTLA-4, TIM-3 and LAG-3...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423520/prognostic-role-of-programmed-death-ligand-1-pd-l1-expressing-tumor-infiltrating-lymphocytes-in-testicular-germ-cell-tumors
#11
Michal Chovanec, Zuzana Cierna, Viera Miskovska, Katarina Machalekova, Daniela Svetlovska, Katarina Kalavska, Katarina Rejlekova, Stanislav Spanik, Karol Kajo, Pavel Babal, Jozef Mardiak, Michal Mego
PURPOSE: Testicular germ cell tumors (TGCTs) are nearly universally curable malignancies. Nevertheless, standard cisplatin-based chemotherapy is not curative in a small subgroup of patients. Previously, we showed that PD-L1 overexpression is associated with worse prognosis in TGCTs, while tumor infiltrating lymphocytes (TILs) are prognostic in different types of cancer. This study aimed to evaluate the prognostic value of PD-1 and PD-L1 expressing TILs in TGCTs. RESULTS: PD-L1 positive TILs were found significantly more often in seminomas (95...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422766/an-immunoscore-using-pd-l1-cd68-and-tumor-infiltrating-lymphocytes-tils-to-predict-response-to-neoadjuvant-chemotherapy-in-invasive-breast-cancer
#12
Lauren E McLemore, Murali Janakiram, Joseph Albanese, Nella Shapiro, Yungtai Lo, Xingxing Zang, Susan Fineberg
Response to neoadjuvant chemotherapy (NAC) in invasive breast cancer (IBC) is partly regulated by the immune microenvironment. We evaluated immune checkpoint PD-L1 expression, presence of CD68+ cells of macrophage/monocytic lineage and stromal tumor-infiltrating lymphocytes (TILs) in prechemotherapy biopsies and correlated with NAC response. We studied 76 cases of IBC. Prechemotherapy biopsies with >30% TILs were considered lymphocyte-rich IBC. We performed immunohistochemistry for PD-L1 and CD68. Prechemotherapy cores showing >1% PD-L1+ immune or tumor cells were considered positive...
April 18, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28422742/multi-omics-study-revealing-the-complexity-and-spatial-heterogeneity-of-tumor-infiltrating-lymphocytes-in-primary-liver-carcinoma
#13
Lijun Shi, Yang Zhang, Lin Feng, Liming Wang, Weiqi Rong, Fan Wu, Jianxiong Wu, Kaitai Zhang, Shujun Cheng
Intratumoral heterogeneity has been revealed in primary liver carcinoma (PLC). However, spatial heterogeneity of tumor-infiltrating lymphocytes (TILs), which reflects one dimension of a tumor's spatial heterogeneity, and the relationship between TIL diversity, local immune response and mutation burden remain unexplored in PLC. Therefore, we performed immune repertoire sequencing, gene expression profiling analysis and whole-exome sequencing in parallel on five regions of each tumor and on matched adjacent normal tissues and peripheral blood from five PLC patients...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419539/pd-l1-expression-in-extrahepatic-cholangiocarcinoma
#14
Dirk Walter, Eva Herrmann, Andreas Schnitzbauer, Stefan Zeuzem, Martin Leo Hansmann, Jan Peveling-Oberhag, Sylvia Hartmann
AIMS: To investigate expression of programmed cell death 1 (PD-1) receptor / programmed cell death ligand 1 (PD-L1) pathway as well as clinicopathological characteristics in extrahepatic cholangiocarcinoma (eCCA). METHODS: Tissue samples from patients with eCCA (n=69; perihilar CCA=40, distal CCA=29), who underwent surgical resection in the period from 2007 to 2015 were evaluated for PD-1, PD-L1, CD3 and CD163 expression and correlation with clinicopathological characteristics, including survival data, was performed...
April 17, 2017: Histopathology
https://www.readbyqxmd.com/read/28416027/pharmacological-and-non-pharmacological-treatment-preferences-of-healthcare-professionals-and-proxies-for-challenging-behaviors-in-patients-with-dementia
#15
Sarah I Janus, Jeannette G van Manen, Janine A van Til, Sytse U Zuidema, Maarten J IJzerman
BACKGROUND: Prescribing antipsychotics to patients with neuropsychiatric symptoms is a matter of concern. Physicians have to make treatment decisions for patients with dementia together with proxies and/or nurses. However, it is unknown whether physicians, nurses, and proxies' treatment preferences are aligned; hence this study. METHODS: Sixteen treatment attributes were selected to elicit the preferences of physicians and nurses. Ten of these attributes were used for the proxies...
April 18, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28414090/rituximab-treatment-circumvents-the-prognostic-impact-of-tumor-infiltrating-t-cells-in-follicular-lymphoma-patients
#16
Luc Xerri, Sarah Huet, Jeffrey M Venstrom, Edith Szafer-Glusman, Bettina Fabiani, Danielle Canioni, Catherine Chassagne-Clément, Peggy Dartigues-Cuilléres, Fréderic Charlotte, Camille Laurent, Benedicte Gelas-Dore, Christopher R Bolen, Elizabeth Punnoose, Reda Bouabdallah, Pauline Brice, Franck Morschhauser, Guillaume Cartron, Daniel Olive, Gilles Salles
Previous immunohistochemical (IHC) studies showed controversial data about the prognostic value of tumor infiltrating lymphocytes (TIL) in follicular lymphoma (FL). In order to clarify this issue, a large series of FL samples from rituximab-treated patients enrolled in the randomized PRIMA trial were examined. IHC was quantified using automated image analysis in 417, 287, 418, 406, 379, and 369 patients for CD3, CD4, CD8, PD1, ICOS, and FOXP3; respectively. RNAseq analysis was used to quantify TIL-related mRNA transcripts from 148 patients...
April 13, 2017: Human Pathology
https://www.readbyqxmd.com/read/28412591/baseline-%C3%AE-catenin-programmed-death-ligand-1-expression-and-tumour-infiltrating-lymphocytes-predict-response-and-poor-prognosis-in-braf-inhibitor-treated-melanoma-patients
#17
Daniela Massi, Emanuela Romano, Eliana Rulli, Barbara Merelli, Romina Nassini, Francesco De Logu, Ivan Bieche, Gianna Baroni, Laura Cattaneo, Gongda Xue, Mario Mandalà
BACKGROUND: The activation of oncogenic Wnt/β-catenin pathway in melanoma contributes to a lack of T-cell infiltration. Whether baseline β-catenin expression in the context of tumour-infiltrating lymphocytes (TILs) and programmed death ligand-1 (PD-L1) overexpression correlates with prognosis of metastatic melanoma patients (MMPs) treated with mitogen-activated protein kinase, MAPK inhibitor (MAPKi) monotherapy, however, has not been fully clarified. PATIENTS AND METHODS: Sixty-four pre-treatment formalin-fixed and paraffin embedded melanoma samples from MMP treated with a BRAF inhibitor (n = 39) or BRAF and MEK inhibitors (n = 25) were assessed for presence of β-catenin, PD-L1, cluster of differentiation (CD)8, CD103 and forkhead box protein P3 (FOXP3) expression by immunohistochemistry, and results were correlated with clinical outcome...
April 13, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28408386/increased-pd-1-and-tim-3-tils-during-cetuximab-therapy-inversely-correlates-with-response-in-head-and-neck-cancer-patients
#18
Hyun-Bae Jie, Raghvendra M Srivastava, Athanassios Argiris, Julie E Bauman, Lawrence P Kane, Robert L Ferris
Despite emerging appreciation for the important role of immune checkpoint receptors in regulating the effector functions of T cells, it is unknown whether their expression is involved in determining the clinical outcome in response to cetuximab therapy. We examined the expression patterns of immune checkpoint receptors (including PD-1, CTLA-4, and TIM-3) and cytolytic molecules (including granzyme B and perforin) of CD8+ tumorinfiltrating lymphocytes (TILs) and compared them to those of peripheral blood T lymphocytes (PBLs) in patients with head and neck cancer (HNSCC) during cetuximab therapy...
April 13, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28407039/tumor-immune-microenvironment-and-nivolumab-efficacy-in-egfr-mutation-positive-non-small-cell-lung-cancer-based-on-t790m-status-after-disease-progression-during-egfr-tki-treatment
#19
K Haratani, H Hayashi, T Tanaka, H Kaneda, Y Togashi, K Sakai, K Hayashi, S Tomida, Y Chiba, K Yonesaka, Y Nonagase, T Takahama, J Tanizaki, K Tanaka, T Yoshida, K Tanimura, M Takeda, H Yoshioka, T Ishida, T Mitsudomi, K Nishio, K Nakagawa
Background.: The efficacy of programmed death-1 (PD-1) blockade in epidermal growth factor receptor gene ( EGFR ) mutation-positive non-small cell lung cancer (NSCLC) patients with different mechanisms of acquired resistance to EGFR tyrosine kinase inhibitors (TKIs) is unknown. We retrospectively evaluated nivolumab efficacy and immune-related factors in such patients according to their status for the T790M resistance mutation of EGFR . Patients and Methods.: We identified 25 patients with EGFR mutation-positive NSCLC who were treated with nivolumab after disease progression during EGFR-TKI treatment (cohort A)...
April 12, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28405521/human-papilloma-virus-load-and-pd-1-pd-l1-cd8-and-foxp3-in-anal-cancer-patients-treated-with-chemoradiotherapy-rationale-for-immunotherapy
#20
Panagiotis Balermpas, Daniel Martin, Ulrike Wieland, Margret Rave-Fränk, Klaus Strebhardt, Claus Rödel, Emmanouil Fokas, Franz Rödel
We examined the prognostic role of immune markers programmed cell death protein-1 (PD-1) and its ligand (PD-L1), CD8(+) tumor-infiltrating lymphocytes (TILs), FOXP3+ Tregs and phosphorylated Caspase-8 (T273) in patients with anal squamous cell cancer (ASCC) treated with standard chemoradiotherapy (CRT). The baseline immunohistochemical expression of immune markers was correlated with clinicopathologic characteristics, and cumulative incidence of local failure, disease-free survival (DFS) and overall survival (OS) in 150 patients, also in the context of human papilloma virus 16 (HPV16) DNA load and p16(INK4a) expression...
2017: Oncoimmunology
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