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https://www.readbyqxmd.com/read/28732383/radiation-alters-pd-l1-nkg2d-ligand-levels-in-lung-cancer-cells-and-leads-to-immune-escape-from-nk-cell-cytotoxicity-via-il-6-mek-erk-signaling-pathway
#1
Ming Jing Shen, Li Jun Xu, Li Yang, Ying Tsai, Peter C Keng, Yongbing Chen, Soo Ok Lee, Yuhchyau Chen
We investigated whether radiation influences the susceptibility of non-small cell lung cancer (NSCLC) cells to NK cell mediated cytotoxicity. We found radiation treatment increased expression of programmed cell death ligand 1 (PD-L1), but decreased NK group 2, member D (NKG2D) ligand expressions in A549 and H157 NSCLC cells. Both types of changes would have protected tumor cells from the cytotoxic action of NK cells. Consistently, we detected similar alteration in these molecules in radioresistant A549R26-1 and H157R24-1 subline cells...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28712276/optimal-dose-and-volume-for-postoperative-radiotherapy-in-brain-oligometastases-from-lung-cancer-a-retrospective-study
#2
Seung Yeun Chung, Jong Hee Chang, Hye Ryun Kim, Byoung Chul Cho, Chang Geol Lee, Chang-Ok Suh
PURPOSE: To evaluate intracranial control after surgical resection according to the adjuvant treatment received in order to assess the optimal radiotherapy (RT) dose and volume. MATERIALS AND METHODS: Between 2003 and 2015, a total of 53 patients with brain oligometastases from non-small cell lung cancer (NSCLC) underwent metastasectomy. The patients were divided into three groups according to the adjuvant treatment received: whole brain radiotherapy (WBRT) ± boost (WBRT ± boost group, n = 26), local RT/Gamma Knife surgery (local RT group, n = 14), and the observation group (n = 13)...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28706139/a-phase-i-study-of-foretinib-plus-erlotinib-in-patients-with-previously-treated-advanced-non-small-cell-lung-cancer-canadian-cancer-trials-group-ind-196
#3
Natasha B Leighl, Ming-Sound Tsao, Geoffrey Liu, Dongsheng Tu, Cheryl Ho, Frances A Shepherd, Nevin Murray, John R Goffin, Garth Nicholas, Shingo Sakashita, Zhuo Chen, Lucia Kim, Jean Powers, Lesley Seymour, Glenwood Goss, Penelope A Bradbury
PURPOSE: MET and AXL mediate resistance to EGFR TKI in NSCLC. Foretinib, a MET/RON/AXL/TIE-2/VEGFR kinase inhibitor may overcome EGFR kinase resistance. This dose escalation study combined foretinib and erlotinib in advanced pretreated NSCLC patients. EXPERIMENTAL DESIGN: The primary endpoint was to define the RP2D of foretinib plus erlotinib as continuous oral daily dosing. Secondary objectives included safety, pharmacokinetics, response and potential biomarkers of response including EGFR, KRAS genotype, MET, AXL expression, and circulating HGF levels...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28693207/-99m-tc-lhrh-in-tumor-receptor-imaging
#4
Dawei Hao, Lingfei Sun, Xiang Hu, Xiaowen Hao
Detection of gonadotropin-releasing hormone (GnRH) also known as luteinizing hormone-releasing hormone (LHRH) in the relevant tumor tissue and normal tissues and organs in vivo expression was investigated. To examine the method of direct radio labeling of LHRH by (99m)Tc with relatively high radiochemical purity and stability, screening the best labeling conditions, to establish a simple and reliable method of preparation of (99m)Tc-LHRH was undertaken. The detection of radioisotope-labeled LHRH distribution in mice, LHRH receptor imaging for the study and treatment of cancer basis were evaluated...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28684234/roflumilast-treatment-inhibits-lung-carcinogenesis-in-benzo-a-pyrene-induced-murine-lung-cancer-model
#5
Chang Dong Yeo, Young Ae Kim, Hwa Young Lee, Jin Woo Kim, Seung Joon Kim, Sang Haak Lee, Young Kyoon Kim
Roflumilast, a potent and selective inhibitor of phosphodiesterase-4 (PDE4), has been used in treatment of COPD. PDE4 inhibitor is associated with inhibition of chronic airway inflammation, oxidative stress, and mesenchymal markers in B(a)P-induced lung tumors. The aim of this study was to assess whether roflumilast alone or added to inhaled budesonide might have dose-dependent inhibition on lung carcinogenesis induced by carcinogen B(a)P in mice. Female A/J mice were given a single dose of benzo(a)pyrene. Administration of roflumilast (1mg/kg or 5mg/kg) via oral gavage and aerosolized budesonide (2...
July 3, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28681192/role-of-interim-18-f-fdg-pet-ct-for-the-early-prediction-of-clinical-outcomes-of-non-small-cell-lung-cancer-nsclc-during-radiotherapy-or-chemo-radiotherapy-a-systematic-review
#6
REVIEW
Marta Cremonesi, Laura Gilardi, Mahila Esmeralda Ferrari, Gaia Piperno, Laura Lavinia Travaini, Robert Timmerman, Francesca Botta, Guido Baroni, Chiara Maria Grana, Sara Ronchi, Delia Ciardo, Barbara Alicja Jereczek-Fossa, Cristina Garibaldi, Roberto Orecchia
BACKGROUND: Non-Small Cell Lung Cancer (NSCLC) is characterized by aggressiveness and includes the majority of thorax malignancies. The possibility of early stratification of patients as responsive and non-responsive to radiotherapy with a non-invasive method is extremely appealing. The distribution of the Fluorodeoxyglucose ((18)F-FDG) in tumours, provided by Positron-Emission-Tomography (PET) images, has been proved to be useful to assess the initial staging of the disease, recurrence, and response to chemotherapy and chemo-radiotherapy (CRT)...
July 5, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28678586/extracellular-vesicle-biology-in-the-pathogenesis-of-lung-disease
#7
Serge P Nana-Sinkam, Mario Acunzo, Carlo M Croce, Kai Wang
As our understanding of diseases of the lung continues to evolve, we recognize that the mechanisms that drive cell/environment communication leading to disease development and progression are complex. In 2008, investigators first identified intact cell free microRNAs in circulation with some localized within lipid-encapsulated microvesicles termed extracellular vesicles (EVs). Prior to and following this discovery, investigators have determined that EVs may drive biological processes fundamental to human disease and homeostasis...
July 5, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28678318/the-role-of-notch1-genes-in-lung-cancer-a594-cells-and-the-impact-on-chemosensitivity
#8
F Deng, Z-F Yang, C-Q Sun
OBJECTIVE: Expression of Notch1 gene in lung cancer A549 cells was reduced using small interfering RNA (small interfering RNA, siRNA) and the effect of Notch1 gene on proliferation and chemo sensitivity of lung cancer A549 cells was studied. MATERIALS AND METHODS: The Notch1 siRNA was transfected into A549 cells by liposome to inhibit the expressions of Notch1 gene in A549 cells. Real-time polymerase chain reaction (RT-PCR) and Western blot were used to detect the expression of Notch1 gene and protein...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28667284/a-molecular-hypothesis-to-explain-direct-and-inverse-co-morbidities-between-alzheimer-s-disease-glioblastoma-and-lung-cancer
#9
Jon Sánchez-Valle, Héctor Tejero, Kristina Ibáñez, José Luis Portero, Martin Krallinger, Fátima Al-Shahrour, Rafael Tabarés-Seisdedos, Anaïs Baudot, Alfonso Valencia
Epidemiological studies indicate that patients suffering from Alzheimer's disease have a lower risk of developing lung cancer, and suggest a higher risk of developing glioblastoma. Here we explore the molecular scenarios that might underlie direct and inverse co-morbidities between these diseases. Transcriptomic meta-analyses reveal significant numbers of genes with inverse patterns of expression in Alzheimer's disease and lung cancer, and with similar patterns of expression in Alzheimer's disease and glioblastoma...
June 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28664315/the-wound-healing-effect-of-7-3-4-trimethoxyflavone-through-increased-levels-of-prostaglandin-e2-by-15-hydroxyprostaglandin-dehydrogenase-inhibition
#10
Kyung Hoon Sun, Sandeep Karna, Young-Sook Moon, Hoon Cho, Cheol-Hee Choi
OBJECTIVE: To find an inhibitor of 15-hydroxyprostaglandin dehydrogenase (15-PGDH) that rapidly metabolises Prostaglandin E2 (PGE2) as a mediator of wound healing, we examined seven flavonoids for this role. RESULTS: 7,3',4'-Trimethoxyflavone (TMF) had the lowest IC50 value of 0.34 µM for 15-PGDH inhibition but >400 µM for cytotoxicity, indicating a high therapeutic index. TMF elevated PGE2 levels in a concentration-dependent manner in both A549 lung cancer and HaCaT cells...
June 29, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28660409/histological-type-predicts-mediastinal-metastasis-and-surgical-outcome-in-resected-cn1-non-small-cell-lung-cancer
#11
Tetsuya Mizuno, Takaaki Arimura, Hiroaki Kuroda, Noriaki Sakakura, Yasushi Yatabe, Yukinori Sakao
OBJECTIVES: Non-small cell lung cancer (NSCLC) patients at cN1 have unfavorable outcomes. It has been reported that a substantial proportion of cN1 patients have occult mediastinal disease, and treatment guidelines suggest invasive preoperative mediastinal evaluation. However, the population that would most benefit from invasive staging has not been defined. The aims of this study are to identify factors predicting mediastinal metastasis and outcomes in cN1 NSCLC patients to select appropriate candidates for invasive mediastinal evaluation...
June 28, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28660221/triage-of-limited-versus-extensive-disease-on-18-f-fdg-pet-ct-scan-in-small-cell-lung-cancer
#12
Riaz Saima, Bashir Humayun, Niazi Imran Khalid
OBJECTIVES: Small cell lung cancer (SCLC) is an aggressive neuroendocrine carcinoma, which accounts for 10-15% of pulmonary cancers and exhibits early metastatic spread. This study aimed to determine the added value of (18)F-FDG PET/CT imaging in tumor, node, and metastasis (TNM) staging of SCLC, compared to the conventional computed tomography (CT) scan and its potential role as a prognosticator. METHODS: This retrospective review was conducted on 23 patients, who were histopathologically diagnosed to have SCLC and referred for undergoing (18)F-FDG PET/CT scanning during October 2009-December 2015...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28648948/randomized-phase-ii-study-comparing-prophylactic-cranial-irradiation-alone-to-prophylactic-cranial-irradiation-and-consolidative-extra-cranial-irradiation-for-extensive-disease-small-cell-lung-cancer-ed-sclc-nrg-oncology-rtog-0937
#13
Elizabeth M Gore, Chen Hu, Alexander Y Sun, Daniel F Grimm, Suresh S Ramalingam, Neal E Dunlap, Kristin A Higgins, Maria Werner-Wasik, Aaron M Allen, Puneeth Iyengar, Gregory M M Videtic, Russell K Hales, Ronald C McGarry, James J Urbanic, Anthony T Pu, Candice A Johnstone, Volker W Stieber, Rebecca Paulus, Jeffrey D Bradley
INTRODUCTION: RTOG-0937 is a randomized phase-II trial evaluating 1-year OS with PCI or PCI plus consolidative radiation therapy (cRT) to intra-thoracic disease and extracranial metastases for ED-SCLC. METHODS: Patients with 1-4 extracranial metastases were eligible after CR or PR to chemotherapy. Randomization was to PCI or PCI+cRT to the thorax and metastases. Original stratification included PR vs CR after chemotherapy and 1 vs 2-4 metastases; age < 65 vs > 65 was added after an observed imbalance...
June 22, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28644546/-18-f-fluoromisonidazole-uptake-in-advanced-stage-non-small-cell-lung-cancer-a-voxel-by-voxel-pet-kinetics-study
#14
Daniel R McGowan, Ruth E Macpherson, Sara L Hackett, Dan Liu, Fergus V Gleeson, W Gillies McKenna, Geoff S Higgins, John D Fenwick
PURPOSE: To determine the relative abilities of compartment models to describe time-courses of 18F-fluoromisonidazole (FMISO) uptake in tumor voxels of patients with non-small cell lung cancer (NSCLC) imaged using dynamic positron emission tomography. Also to use fits of the best-performing model to investigate changes in fitted rate-constants with distance from the tumor edge. METHODS: Reversible and irreversible two- and three-tissue compartment models were fitted to 24,662 individual voxel time activity curves (TACs) obtained from tumors in 9 patients, each imaged twice...
June 23, 2017: Medical Physics
https://www.readbyqxmd.com/read/28638457/upregulation-of-coxsackie-adenovirus-receptor-sensitizes-cisplatin-resistant-lung-cancer-cells-to-crad-induced-inhibition
#15
Ali Sakhawat, Yanan Liu, Ling Ma, Tahir Muhammad, Shensen Wang, Lina Zhang, Xianling Cong, Yinghui Huang
Objective. Conditionally replicating adenoviruses (CRAds) have been proven potent oncolytic viruses in previous studies. They selectively replicate in the tumor cells because of incorporated survivin promoter and ultimately lead to their killing with minimal side effects on normal tissue. Chemotherapy with cisplatin is commonly employed for treating tumors, but its cytotoxic effects and development of resistance remained major concerns to be dealt with. The aim of this study was to explore the anticancer potential of survivin regulated CRAd alone or in combination with cisplatin in the A549 lung cancer cell line and cisplatin-resistant lung cancer cell line, A549-DDPR...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28629896/randomized-phase-ii-study-of-preoperative-chemoradiotherapy-panitumumab-followed-by-consolidation-chemotherapy-in-potentially-operable-locally-advanced-stage-iiia-n2-non-small-cell-lung-cancer-nrg-oncology-rtog-0839
#16
Martin J Edelman, Chen Hu, Quynh-Thu Le, Jessica S Donington, Warren D D'Souza, Adam P Dicker, Billy W Loo, Elizabeth M Gore, Gregory M M Videtic, Nathaniel R Evans, Joseph W Leach, Maximilian Diehn, Steven J Feigenberg, Yuhchyau Chen, Rebecca Paulus, Jeffrey D Bradley
INTRODUCTION: Multimodality therapy has curative potential in locally advanced non-small cell lung cancer (LASCLC). Mediastinal nodal sterilization (MNS) after induction chemoradiotherapy (CRT) can serve as an intermediate marker for efficacy. NRG Oncology RTOG 0229 demonstrated the feasibility and efficacy of combining full dose radiation (61.2Gy) with chemotherapy followed by resection and chemotherapy. Based upon that experience and evidence that epidermal growth factor receptor (EGFR) antibodies are radiosensitizing, we explored adding panitumumab to CRT followed by resection and consolidation chemotherapy in LANSCLC with a primary endpoint of MNS...
June 16, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28627406/multi-omics-facilitated-variable-selection-in-cox-regression-model-for-cancer-prognosis-prediction
#17
Cong Liu, Xujun Wang, Georgi Z Genchev, Hui Lu
MOTIVATION: New developments in high-throughput genomic technologies have enabled the measurement of diverse types of omics biomarkers in a cost-efficient and clinically-feasible manner. Developing computational methods and tools for analysis and translation of such genomic data into clinically-relevant information is an ongoing and active area of investigation. For example, several studies have utilized an unsupervised learning framework to cluster patients by integrating omics data...
June 13, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28625638/development-of-psoriatic-arthritis-during-nivolumab-therapy-for-metastatic-non-small-cell-lung-cancer-clinical-outcome-analysis-and-review-of-the-literature
#18
Juan Ruiz-Bañobre, Eva Pérez-Pampín, Jorge García-González, Antonio Gómez-Caamaño, Francisco Javier Barón-Duarte, Rafael López-López, Francisca Vázquez-Rivera
Lung cancer is the leading cause of cancer-related death worldwide. The most common type, non-small cell lung cancer (NSCLC), is further divided into two main types, squamous cell and non-squamous cell (which includes adenocarcinoma). Nivolumab, a fully human IgG4 programmed death-1 immune checkpoint inhibitor antibody, has shown not only an overall survival advantage when compared to docetaxel, but also a relatively good side-effect profile among patients with previously treated advanced squamous and non-squamous NSCLC...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28625629/a-phase-ib-trial-of-continuous-once-daily-oral-afatinib-plus-sirolimus-in-patients-with-epidermal-growth-factor-receptor-mutation-positive-non-small-cell-lung-cancer-and-or-disease-progression-following-prior-erlotinib-or-gefitinib
#19
Teresa Moran, Ramón Palmero, Mariano Provencio, Amelia Insa, Margarita Majem, Noemí Reguart, Joaquim Bosch-Barrera, Dolores Isla, Enric Carcereny Costa, Chooi Lee, Marta Puig, Sandrine Kraemer, David Schnell, Rafael Rosell
OBJECTIVES: Dysregulation of the downstream PI3K/AKT/mTOR signaling pathway is a proposed mechanism of resistance to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs). We investigated safety and antitumor activity of afatinib plus sirolimus as a potential combination to reverse acquired resistance to EGFR-TKIs in a phase IB trial in patients with EGFR mutation-positive non-small-cell lung cancer (EGFR mut NSCLC) and/or disease progression following prior erlotinib/gefitinib...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28623106/the-role-of-physiotherapy-in-patients-undergoing-pulmonary-surgery-for-lung-cancer-a-literature-review
#20
F Kendall, P Abreu, P Pinho, J Oliveira, P Bastos
This review aims to appraise the role of physiotherapy care in patients submitted to pulmonary surgery, in preoperative, perioperative, and postoperative phases. Pulmonary surgery is the gold standard treatment for patients with lung cancer if it is completely resectable. However, the major impairments and complications induced by surgery are well known. Physiotherapy has been regularly used both in the preparation of the surgical candidates; in their functional recovery in the immediate postoperative period, and in the medium/long term but there is a lack of concise evidence-based recommendations...
June 13, 2017: Revista Portuguesa de Pneumologia
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