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https://www.readbyqxmd.com/read/27905110/distinct-molecular-landscapes-between-endometrioid-and-non-endometrioid-uterine-carcinomas
#1
Nathaniel L Jones, Joanne Xiu, Sudeshna Chatterjee-Paer, Alexandre Buckley de Meritens, William M Burke, Ana I Tergas, Jason D Wright, June Y Hou
Endometrial carcinoma (EC) is traditionally characterized as endometrioid and non-endometrioid based on histo-pathologic phenotypes. Molecular-based classifications have been proposed, but are not widely implemented. Herein we examine molecular profiles between EC histologic subtypes. 3133 ECs were submitted between March 2011 and July 2014: 1634 Type I and 1226 Type II. In situ hybridization and immunohistochemistry were used to assess copy number and protein expression of selected genes. Sequenced variants in 47 genes were analyzed using the Illumina TruSeq Amplicon Cancer Panel...
December 1, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27889782/molecular-pathology-a-requirement-for-precision-medicine-in-cancer
#2
Manfred Dietel
The increasing importance of targeting drugs and check-point inhibitors in the treatment of several tumor entities (breast, colon, lung, malignant melanoma, lymphoma, etc.) and the necessity of a companion diagnostic (HER2, (pan)RAS, EGFR, ALK, BRAF, ROS1, MET, PD-L1, etc.) is leading to new challenges for surgical pathology. Since almost all the biomarkers to be specifically detected are tissue based, a precise and reliable diagnostic is absolutely crucial. To meet this challenge surgical pathology has adapted a number of molecular methods (semi-quantitative immunohistochemistry, fluorescence in situ hybridization, PCR and its multiple variants, (pyro/Sanger) sequencing, next generation sequencing (amplicon, whole exome, whole genome), DNA arrays, methylation analyses, etc...
2016: Oncology Research and Treatment
https://www.readbyqxmd.com/read/27846317/ras-mitogen-activated-protein-kinase-signal-is-required-for-enhanced-pd-l1-expression-in-human-lung-cancers
#3
Hidetoshi Sumimoto, Atsushi Takano, Koji Teramoto, Yataro Daigo
Ectopic programmed cell death ligand 1 (PD-L1) expression in non-small cell lung cancers (NSCLCs) is related to immune evasion by cancer, and it is a molecular target of immune checkpoint therapies. Although some altered signals in NSCLCs are responsible for ectopic PD-L1 expression, the precise mechanisms remain obscure. Because we found a higher frequency of EGFR/KRAS mutations in NSCLC cell lines with high PD-L1 expression (p < 0.001), we evaluated the relationships between downstream signals and PD-L1 expression, particularly in three KRAS-mutant adenocarcinoma cell lines...
2016: PloS One
https://www.readbyqxmd.com/read/27833557/immune-responses-to-epidermal-growth-factor-receptor-egfr-and-their-application-for-cancer-treatment
#4
REVIEW
Tetsuro Sasada, Koichi Azuma, Junya Ohtake, Yuki Fujimoto
Epidermal growth factor receptor (EGFR) is a prototypic cell-surface receptor belonging to the ErbB/HER onocogene family. Overexpression or somatic mutations of EGFR have been reported to play an important role in tumorigenesis in various types of epithelial cancers. Therefore, targeting of EGFR with specific blocking antibodies or inhibitors have been developing for treatment for EGFR-associated tumors. Immune responses to HER2, another molecule of the ErbB/HER onocogene family, have been well studied, but only limited information on the immune responses to EGFR in cancer has been currently available...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27825958/simultaneous-blockade-of-interacting-ck2-and-egfr-pathways-by-tumor-targeting-nanobioconjugates-increases-therapeutic-efficacy-against-glioblastoma-multiforme
#5
Szu-Ting Chou, Rameshwar Patil, Anna Galstyan, Pallavi R Gangalum, Webster K Cavenee, Frank B Furnari, Vladimir A Ljubimov, Alexandra Chesnokova, Andrei A Kramerov, Hui Ding, Vida Falahatian, Leila Mashouf, Irving Fox, Keith L Black, Eggehard Holler, Alexander V Ljubimov, Julia Y Ljubimova
Glioblastoma multiforme (GBM) remains the deadliest brain tumor in adults. GBM tumors are also notorious for drug and radiation resistance. To inhibit GBMs more effectively, polymalic acid-based blood-brain barrier crossing nanobioconjugates were synthesized that are delivered to the cytoplasm of cancer cells and specifically inhibit the master regulator serine/threonine protein kinase CK2 and the wild-type/mutated epidermal growth factor receptor (EGFR/EGFRvIII), which are overexpressed in gliomas according to The Cancer Genome Atlas (TCGA) GBM database...
November 5, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27785100/current-advances-in-biomarkers-for-targeted-therapy-in-triple-negative-breast-cancer
#6
REVIEW
Brett Fleisher, Charlotte Clarke, Sihem Ait-Oudhia
Triple-negative breast cancer (TNBC) is a complex heterogeneous disease characterized by the absence of three hallmark receptors: human epidermal growth factor receptor 2, estrogen receptor, and progesterone receptor. Compared to other breast cancer subtypes, TNBC is more aggressive, has a higher prevalence in African-Americans, and more frequently affects younger patients. Currently, TNBC lacks clinically accepted targets for tailored therapy, warranting the need for candidate biomarkers. BiomarkerBase, an online platform used to find biomarkers reported in clinical trials, was utilized to screen all potential biomarkers for TNBC and select only the ones registered in completed TNBC trials through clinicaltrials...
2016: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/27766545/from-2000-to-2016-which-second-line-treatment-in-advanced-non-small-cell-lung-cancer
#7
Ettore D'Argento, Sabrina Rossi, Giovanni Schinzari, Antonia Strippoli, Michele Basso, Alessandra Cassano, Carlo Barone
New treatments-as immunotherapies and new antiangiogenic agents-are now available in second-line setting for patients affected by EGFR wild-type and ALK-negative non-small-cell lung cancer (NSCLC). Nintedanib, ramucirumab, nivolumab and pembrolizumab have to be included in the therapeutic sequences for patients affected by NSCLC, but no clear selection criteria are to date offered, except for patients with PD-L1 expression ≥50 %. Performance status, smoking habits and comorbidities should be considered as clinical criteria in order to select the appropriate treatment, but also tumour characteristics as histotype, platinum resistance and rapid progression after a first-line therapy should be taken into account...
December 2016: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/27745820/carboplatin-and-pemetrexed-with-or-without-pembrolizumab-for-advanced-non-squamous-non-small-cell-lung-cancer-a-randomised-phase-2-cohort-of-the-open-label-keynote-021-study
#8
Corey J Langer, Shirish M Gadgeel, Hossein Borghaei, Vassiliki A Papadimitrakopoulou, Amita Patnaik, Steven F Powell, Ryan D Gentzler, Renato G Martins, James P Stevenson, Shadia I Jalal, Amit Panwalkar, James Chih-Hsin Yang, Matthew Gubens, Lecia V Sequist, Mark M Awad, Joseph Fiore, Yang Ge, Harry Raftopoulos, Leena Gandhi
BACKGROUND: Limited evidence exists to show that adding a third agent to platinum-doublet chemotherapy improves efficacy in the first-line advanced non-small-cell lung cancer (NSCLC) setting. The anti-PD-1 antibody pembrolizumab has shown efficacy as monotherapy in patients with advanced NSCLC and has a non-overlapping toxicity profile with chemotherapy. We assessed whether the addition of pembrolizumab to platinum-doublet chemotherapy improves efficacy in patients with advanced non-squamous NSCLC...
October 10, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27721121/withdrawn-tumor-b7-h3-cd276-expression-and-smoking-history-in-relation-to-lung-adenocarcinoma-prognosis
#9
Kentaro Inamura, Yusuke Yokouchi, Maki Kobayashi, Rie Sakakibara, Hironori Ninomiya, Sophia Subat, Hiroko Nagano, Kimie Nomura, Sakae Okumura, Tomoko Shibutani, Yuichi Ishikawa
The Publisher regrets that this article is an accidental duplication of an article that has already been published in The Journal of Lung Cancer - http://dx.doi.org/10.1016/j.lungcan.2016.11.013. Please see online announcement for additional details. The duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
October 1, 2016: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27699239/multiparametric-profiling-of-non-small-cell-lung-cancers-reveals-distinct-immunophenotypes
#10
Patrick H Lizotte, Elena V Ivanova, Mark M Awad, Robert E Jones, Lauren Keogh, Hongye Liu, Ruben Dries, Christina Almonte, Grit S Herter-Sprie, Abigail Santos, Nora B Feeney, Cloud P Paweletz, Meghana M Kulkarni, Adam J Bass, Anil K Rustgi, Guo-Cheng Yuan, Donald W Kufe, Pasi A Jänne, Peter S Hammerman, Lynette M Sholl, F Stephen Hodi, William G Richards, Raphael Bueno, Jessie M English, Mark A Bittinger, Kwok-Kin Wong
BACKGROUND. Immune checkpoint blockade improves survival in a subset of patients with non-small-cell lung cancer (NSCLC), but robust biomarkers that predict response to PD-1 pathway inhibitors are lacking. Furthermore, our understanding of the diversity of the NSCLC tumor immune microenvironment remains limited. METHODS. We performed comprehensive flow cytometric immunoprofiling on both tumor and immune cells from 51 NSCLCs and integrated this analysis with clinical and histopathologic characteristics, next-generation sequencing, mRNA expression, and PD-L1 immunohistochemistry (IHC)...
September 8, 2016: JCI Insight
https://www.readbyqxmd.com/read/27698894/akt-stat3-pathway-as-a-downstream-target-of-egfr-signaling-to-regulate-pd-l1-expression-on-nsclc-cells
#11
Sherif Abdelhamed, Keisuke Ogura, Satoru Yokoyama, Ikuo Saiki, Yoshihiro Hayakawa
While cancer development and progression can be controlled by cytotoxic T cells, it is also known that tumor-specific CD8(+)T cells become functionally impaired by acquiring a group of inhibitory receptors known as immune checkpoints. Amongst those, programmed death-1 (PD-1) is one of the most recognized negative regulators of T cell function. In non-small lung cancers (NSCLCs), the aberrant activation of epidermal growth factor receptor (EGFR) is known to induce PD-L1 expression and further the treatment with gefitinib, a tyrosine kinase inhibitor (TKI) for EGFR, decrease the expression of PD-L1 on NSCLC...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27687306/whole-exome-sequencing-and-immune-profiling-of-early-stage-lung-adenocarcinoma-with-fully-annotated-clinical-follow-up
#12
H Kadara, M Choi, J Zhang, E P Cuentas, J R Canales, S G Gaffney, Z Zhao, C Behrens, J Fujimoto, C Chow, Y Yoo, N Kalhor, C Moran, D Rimm, S Swisher, D L Gibbons, J Heymach, E Kaftan, J P Townsend, T J Lynch, J Schlessinger, J Lee, R P Lifton, I I Wistuba, R S Herbst
BACKGROUND: Lung adenocarcinomas (LUADs) lead to the majority of deaths attributable to lung cancer. We performed whole-exome sequencing (WES) and immune profiling analyses of a unique set of clinically annotated early-stage LUADs to better understand the pathogenesis of this disease and identify clinically relevant molecular markers. METHODS: We performed WES of 108 paired stage I-III LUADs and normal lung tissues using the Illumina HiSeq 2000 platform. Ten immune markers (PD-L1, PD-1, CD3, CD4, CD8, CD45ro, CD57, CD68, FOXP3 and Granzyme B) were profiled by imaging-based immunohistochemistry in a subset of LUADs (n=92)...
September 29, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27675893/pd-l1-is-prognostic-factor-of-human-esophageal-squamous-cell-carcinoma-and-its-association-with-egfr-in-radiation-therapy
#13
W Zhang, Q Pang, S F Yu, Z Yuan, P Wang, Z Xiao
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27623999/novel-immunotherapy-in-the-treatment-of-advanced-non-small-cell-lung-cancer
#14
G Santabarbara, P Maione, A Rossi, G Palazzolo, C Gridelli
INTRODUCTION: Lung cancers remain the principal cause of death cancer-related worldwide with a poor survival rate at five years from diagnosis. In patients with NSCLC harboring specific genetic alterations the anti EGFR TKIs and the ALK TKIs have improved the response rate and the quality of life compared to standard platinum-based chemotherapy. New approaches possibly applicable at the major of patients are needed. AREAS COVERED: The discovery that the immune system plays a fundamental role in the fight against cancer...
September 23, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27597284/increase-in-soluble-pd-1-is-associated-with-prolonged-survival-in-patients-with-advanced-egfr-mutated-non-small-cell-lung-cancer-treated-with-erlotinib
#15
Steffen Filskov Sorensen, Christina Demuth, Britta Weber, Boe Sandahl Sorensen, Peter Meldgaard
OBJECTIVES: The central immune co-inhibitory programmed cell death receptor/ligand 1 (PD-1/PD-L1) pathway plays a key role in tumor immune evasion in non-small cell lung cancer (NSCLC). Soluble PD-1 (sPD-1) can be detected in the blood, and preclinical evidence suggests that sPD-1 blocks PD-1/-L1 interaction and improves anti-tumor immunity. The present study compares the concentration of sPD-1 in the serum of advanced NSCLC patients with Epidermal Growth Factor Receptor (EGFR) mutation prior to erlotinib treatment and at the time of progression and correlates these results to patient outcome...
October 2016: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27595749/fdg-pet-in-the-evaluation-of-response-to-nivolumab-in-recurrent-non-small-cell-lung-cancer
#16
Mitsunori Higuchi, Yuki Owada, Takuya Inoue, Yuzuru Watanabe, Takumi Yamaura, Mitsuro Fukuhara, Takeo Hasegawa, Hiroyuki Suzuki
BACKGROUND: Nivolumab, an immune checkpoint inhibitor, is recently clinically applied to non-small cell lung cancer (NSCLC) treatment, and this causes T cell activation and T cell infiltration to tumor tissue through the blockade of the interaction between programmed cell death 1 (PD-1) and programmed cell death ligand 1 (PD-L1). 18F-fluorodeoxyglucose-positron emission tomography (FDG-PET) sometimes shows false positive because of the recruitment of neutrophils, lymphocytes, and macrophages...
September 5, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27588333/lung-carcinoma-predictive-biomarker-testing-by-immunoperoxidase-stains-in-cytology-and-small-biopsy-specimens-advantages-and-limitations
#17
Fang Zhou, Andre L Moreira
Context .- In the burgeoning era of molecular genomics, immunoperoxidase (IPOX) testing grows increasingly relevant as an efficient and effective molecular screening tool. Patients with lung carcinoma may especially benefit from the use of IPOX because most lung carcinomas are inoperable at diagnosis and only diagnosed by small tissue biopsy or fine-needle sampling. When such small specimens are at times inadequate for molecular testing, positive IPOX results still provide actionable information. Objective ...
September 2, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27568346/programmed-cell-death-ligand-1-expression-in-resected-lung-adenocarcinomas-association-with-immune-microenvironment
#18
Tiffany G Huynh, Vicente Morales-Oyarvide, Meghan J Campo, Justin F Gainor, Emine Bozkurtlar, Hironori Uruga, Ling Zhao, Maria Gomez-Caraballo, Aaron N Hata, Eugene J Mark, Michael Lanuti, Jeffrey A Engelman, Mari Mino-Kenudson
INTRODUCTION: Programmed cell death ligand 1 (PD-L1) expression on tumor cells can be upregulated via activation of CD8(+) cytotoxic T lymphocytes (CTLs) or the T helper cell (Th1) pathway, counterbalancing the CTL/Th1 microenvironment. However, PD-L1 expression in association with subtypes of tumor-associated lymphocytes and molecular alterations has not been well characterized in lung adenocarcinomas. METHODS: PD-L1 expression was evaluated in 261 resected lung adenocarcinomas using tissue microarrays and various scoring systems, and was correlated with clinicopathologic/molecular features, including the extent/subtype of tumor-associated lymphocytes (i...
August 24, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27557830/second-line-treatment-of-non-small-cell-lung-cancer-new-developments-for-tumours-not-harbouring-targetable-oncogenic-driver-mutations
#19
Paul C Barnfield, Peter M Ellis
Platinum-based doublet chemotherapy with or without bevacizumab is the standard of care for the initial management of advanced and metastatic non-small cell lung cancer (NSCLC) without a targetable molecular abnormality. However, the majority of patients with NSCLC will ultimately develop resistance to initial platinum-based chemotherapy, and many remain candidates for subsequent lines of therapy. Randomised trials over the past 10-15 years have established pemetrexed (non-squamous histology), docetaxel, erlotinib and gefitinib as approved second-line agents in NSCLC without targetable driver mutations or rearrangements...
September 2016: Drugs
https://www.readbyqxmd.com/read/27553831/hhla2-a-new-immune-checkpoint-member-of-the-b7-family-is-widely-expressed-in-human-lung-cancer-and-associated-with-egfr-mutational-status
#20
Haiying Cheng, Murali Janakiram, Alain Borczuk, Juan Lin, Wanglong Qiu, Huijie Liu, Jordan Chinai, Balazs Halmos, Roman Perez-Soler, Xingxing Zang
PURPOSE: Immunotherapy with antibodies against B7/CD28 family members, including PD-1, PD-L1, and CTLA-4 has shifted the treatment paradigm for non-small-cell lung carcinoma (NSCLC) with improved clinical outcome. HHLA2 is a newly discovered member of the family. By regulating T-cell function, HHLA2 could contribute to tumor immune suppression and thus be a novel target for cancer immunotherapy. There is limited information and critical need to characterize its expression profile and clinical significance in NSCLC...
August 23, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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