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https://www.readbyqxmd.com/read/28425245/xenobiotic-drug-metabolizing-enzyme-and-tp53-polymorphisms-and-clinical-outcome-in-advanced-nonsmall-cell-lung-cancer-patients
#1
Volkan Karacaoğlan, Ahmet Oğuz Ada, Serdar Bilgen, Guzide Tuğba Çetinkaya, Emre Soydaş, Celalettin Semih Kunak, Sibel Meryem Alpar, Meral Gülhan, Mümtaz Işcan
BACKGROUND/AIM: The association between polymorphisms of xenobiotic/drug metabolizing enzymes and TP53 and response to chemotherapy and survival of patients with nonsmall cell lung cancer (NSCLC) are limited and inconclusive. In this study, CYP2E1*5B, CYP2E1*6, CYP2E1*7B, GSTO1 (A140D), and TP53 (Arg72Pro) polymorphisms and response to platinum-based chemotherapy and survival in 137 advanced stage NSCLC patients were investigated. MATERIALS AND METHODS: Genetic polymorphism analyses were determined by polymerase chain reaction (PCR) coupled with restriction fragment length polymorphism (RFLP)...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28419645/diagnostic-performance-of-different-imaging-modalities-in-the-assessment-of-distant-metastasis-and-local-recurrence-of-tumor-in-patients-with-non-small-cell-lung-cancer
#2
Yoshiharu Ohno, Takeshi Yoshikawa, Yuji Kishida, Shinichiro Seki, Hisanobu Koyama, Masao Yui, Yoshimori Kassai, Kota Aoyagi, Shigeo Kaminaga, Kazuro Sugimura
PURPOSE: To compare the diagnostic performance of positron emission tomography with [18F] fluoro-2-deoxy-glucose (FDG-PET) coregistered with magnetic resonance imaging (FDG-PET/MRI), MRI with and without diffusion-weighted imaging (DWI), FDG-PET fused with computed tomography (FDG-PET/CT) with brain contrast-enhanced (CE-) MRI, and routine radiological examination for assessment of postoperative recurrence in nonsmall-cell lung cancer (NSCLC) patients. MATERIALS AND METHODS: 96 consecutive postoperative NSCLC patients (52 men, 44 women; mean age 72 years) prospectively underwent whole-body 3T MRI with and without DWI; PET/CTs and routine radiological examinations consisted of CE-brain MRI, whole-body CE-CT, and bone scintigraphy...
April 17, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28413785/efficacy-of-erlotinib-as-first-line-maintenance-therapy-in-patients-with-locally-advanced-or-metastatic-nonsmall-cell-lung-cancer-who-have-not-experienced-disease-progression-or-unacceptable-toxicity-during-chemotherapy
#3
Senthil Rajappa, Dinesh Chandra Doval, Jaydip Biswas, Shekar Patil, Naresh Somani, Sankar Srinivasan, Shailesh Bondarde, Nitin S Palwe, Binay Swarup
BACKGROUND: First-line maintenance with erlotinib in nonsmall cell lung cancer (NSCLC) patients without progression after four cycles of chemotherapy was well tolerated and significantly prolonged progression-free survival (PFS) compared with placebo. AIM AND DESIGN: This open-label, single arm, Phase IV, interventional study was designed to evaluate erlotinib as first-line maintenance after chemotherapy in Indian NSCLC patients. Primary efficacy objective was to evaluate PFS rate (PFSR) at week 52 and secondary objectives were determination of PFS, overall survival (OS), overall response rate (ORR), disease control rate, and safety...
January 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28413430/next-generation-sequencing-of-non-small-cell-lung-cancer-using-a-customized-targeted-sequencing-panel-emphasis-on-small-biopsy-and-cytology
#4
David M DiBardino, David W Rawson, Anjali Saqi, Jonas J Heymann, Carlos A Pagan, William A Bulman
BACKGROUND: Next-generation sequencing (NGS) with a multi-gene panel is now available for patients with lung adenocarcinoma, but the performance characteristics and clinical utility of this testing are not well-described. We present the results of an extended 467 gene panel in a series of advanced, highly selected nonsmall cell lung cancer (NSCLC) patients using a range of specimens, including predominantly small biopsy and cytology specimens. MATERIALS AND METHODS: A retrospective review of 22 NSCLC biopsies sent for NGS using an extended gene panel from January 2014 to July 2015...
2017: CytoJournal
https://www.readbyqxmd.com/read/28404645/irp2-as-a-potential-modulator-of-cell-proliferation-apoptosis-and-prognosis-in-nonsmall-cell-lung-cancer
#5
Heena Khiroya, Jasbir S Moore, Nabeel Ahmad, Jamie Kay, Kerry Woolnough, Gerald Langman, Iyad Ismail, Babu Naidu, Chris Tselepis, Alice M Turner
IREB2 is a gene that produces iron regulatory protein 2 (IRP2), which is critical to intracellular iron homeostasis and which relates to the rate of cellular proliferation. IREB2 lies in a lung cancer susceptibility locus. The aims were to assess 1) the relationship between iron loading, cell proliferation and IRP2 expression in lung cancer; 2) the potential of iron related pathways as therapeutic targets; and 3) the relevance of IRP2 in operated lung cancer patients.Cells of two nonsmall cell cancer (NSCLC) lines and primary bronchial epithelial cells (PBECs) were cultured with and without iron; and proliferation, apoptosis and migration were assessed...
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28383426/a-meta-analysis-of-the-association-between-braf-mutation-and-nonsmall-cell-lung-cancer
#6
Guanghui Cui, Donglei Liu, Weihao Li, Xiao Fu, Youguang Liang, Yuhang Li, Wensong Shi, Xiaofang Chen, Song Zhao
BACKGROUND: Previous studies investigating the association between BRAF mutations and nonsmall cell lung cancer (NSCLC) remain controversial. To address the issue, we performed an updated meta-analysis of related articles. METHODS: We conducted a comprehensive literature search in the electronic databases including ISI Science Citation Index, EMBASE, PubMed, and CNKI (up to January 2016). The odds ratios (ORs) and 95% confidence interval (CI) were assessed based on random-effects or fixed-effects models according to the heterogeneity of eligible studies...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28381431/molecular-biomarkers-for-lung-adenocarcinoma
#7
REVIEW
Olivier Calvayrac, Anne Pradines, Elvire Pons, Julien Mazières, Nicolas Guibert
The identification of oncogenic driver alterations that underlie sensitivity to small inhibitors has led to growing interest in identifying additional targetable oncogenes in nonsmall cell lung cancer. Although the therapeutic impact of the discovery of these alterations has now been widely demonstrated, the epidemiological data associated with each of these biomarkers remain insufficiently studied. In this review, we discuss the techniques used to discover each of these candidate oncogenes, their prevalence in nonsmall cell lung cancer, and briefly outline the epidemiological features of the major oncogenes and ways in which their identification can determine therapeutic strategies...
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28338551/standardizing-robotic-lobectomy-feasibility-and-safety-in-128-consecutive-lobectomies-within-a-single-healthcare-system
#8
John F Lazar, Laurence N Spier, Alan R Hartman, Richard S Lazzaro
OBJECTIVE: Single-surgeon cohorts assessing robotically assisted video-assisted thoracic (RA-VATS) lobectomy have reported good outcomes, but there are little data regarding multiple surgeons applying a standard technique in separate hospitals. The purpose of this study was to show how a standardized robotic technique is both safe and reproducible between surgeons and institutions. METHODS: From July 1, 2012, to October 1, 2013, patients undergoing RA-VATS lobectomy for both benign and malignant disease were identified from a prospectively collected database of two thoracic surgeons from different hospitals within the same healthcare system and retrospectively analyzed...
March 23, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28323486/enterolactone-induces-g1-phase-cell-cycle-arrest-in-nonsmall-cell-lung-cancer-cells-by-downregulating-cyclins-and-cyclin-dependent-kinases
#9
Shireen Chikara, Kaitlin Lindsey, Harsharan Dhillon, Sujan Mamidi, Jeffrey Kittilson, Melpo Christofidou-Solomidou, Katie M Reindl
Flaxseed is a rich source of the plant lignan secoisolariciresinol diglucoside (SDG), which is metabolized into mammalian lignans enterodiol (ED) and enterolactone (EL) in the digestive tract. The anticancer properties of these lignans have been demonstrated for various cancer types, but have not been studied for lung cancer. In this study, we investigated the anticancer effects of EL for several nonsmall cell lung cancer (NSCLC) cell lines of various genetic backgrounds. EL inhibited the growth of A549, H441, and H520 lung cancer cells in concentration- and time-dependent manners...
March 21, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28303695/dynamic-contrast-enhanced-mri-perfusion-for-differentiating-between-melanoma-and-lung-cancer-brain-metastases
#10
Vaios Hatzoglou, Jamie Tisnado, Alpesh Mehta, Kyung K Peck, Mariza Daras, Antonio M Omuro, Kathryn Beal, Andrei I Holodny
Brain metastases originating from different primary sites overlap in appearance and are difficult to differentiate with conventional MRI. Dynamic contrast-enhanced (DCE)-MRI can assess tumor microvasculature and has demonstrated utility in characterizing primary brain tumors. Our aim was to evaluate the performance of plasma volume (Vp) and volume transfer coefficient (K(trans) ) derived from DCE-MRI in distinguishing between melanoma and nonsmall cell lung cancer (NSCLC) brain metastases. Forty-seven NSCLC and 23 melanoma brain metastases were retrospectively assessed with DCE-MRI...
April 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28296721/single-pemetrexed-is-noninferior-to-platinum-based-pemetrexed-doublet-as-first-line-treatment-on-elderly-chinese-patients-with-advanced-nonsquamous-nonsmall-cell-lung-cancer
#11
COMPARATIVE STUDY
Xiaolin Pu, Wei Li, Binbin Lu, Zhaoxia Wang, Min Yang, Weifei Fan, Lijuan Meng, Zhigang Lv, Yuchun Xie, Jun Wang
BACKGROUND: To evaluate the clinical efficacy and toxicity of single pemetrexed treatment compared with platinum-based pemetrexed doublet pemetrexed-based as first-line treatment for advanced nonsquamous nonsmall cell lung cancer (NS-NSCLC) in elderly Chinese patients. METHODS: The study retrospectively reviewed 175 elderly Chinese patients with NS-NSCLC from June 2010 to September 2013: 90 patients received single pemetrexed treatment, 45 received pemetrexed plus oxaliplatin, and 40 received pemetrexed plus carboplatin...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28276163/efficacy-of-icotinib-in-lung-squamous-cell-cancer-a-real-world-experience-from-single-institution
#12
Jianping Xu, Xiaoyan Liu, Sheng Yang, Xiangru Zhang, Yuankai Shi
AIM: Squamous cell carcinoma is a less common type of nonsmall cell lung cancer (NSCLC) which associates with a poor clinical prognosis and lacks specific therapy. This study aimed to evaluate the efficacy and safety of icotinib, an epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor that has proven to be effective in EGFR-mutated NSCLC, in patients with lung squamous-cell cancer. METHODS: Retrospective analysis was conducted in patients who had advanced lung squamous-cell cancer confirmed by cytology or histology...
March 8, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28270064/synthesis-and-characterization-of-two-new-thiophene-acetyl-salicylic-acid-esters-and-their-ortho-and-para-effect-on-anticancer-activity
#13
Hakan Ünver, Zerrin Canturk
The present study aimed to explore the cytotoxic effect of ortho- and para-positional isomers of thiophene acetyl salicylic acid esters against cancer and normal cell lines. Two new thiophene-2-acetic acid esters (2-((2-(thiophen-2-yl)acetyl)thio)benzoic acid and 4-((2-(thiophen-2-yl)acetyl)thio)benzoic acid) were synthesized and characterized by elemental analysis, Fourier transform infrared spectroscopy, 1H-nuclear magnetic resonance (NMR), 13C-NMR, and high-resolution mass spectroscopy. The compounds were tested for their in vitro cytotoxic activity against A549 and Caco2 tumor cell lines and CCD-19Lu and CCD 841 CoN normal cell lines using the 3-(4,5-dimethylthiazol-2-yl)-2,4,diphenyltetrazolium bromide assay...
February 13, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28258545/the-role-of-immune-checkpoint-inhibition-in-the-treatment-of-brain-tumors
#14
REVIEW
Andrew S Luksik, Russell Maxwell, Tomas Garzon-Muvdi, Michael Lim
The standard of care for malignant gliomas of the brain has changed very little over the last few decades, and does not offer a cure for these rare, but fatal, tumors. The field of immunotherapy has brought potent new drugs into the oncological armamentarium, and is becoming recognized as a potentially important arm in the treatment of glioblastoma for adults. Immune checkpoints are inhibitory receptors found on immune cells that, when stimulated, cause those immune cells to become quiescent. While this is a natural mechanism to prevent excessive inflammatory damage and autoimmunity in otherwise healthy tissues, cancer cells may utilize this process to grow in the absence of targeted immune destruction...
March 3, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28254765/biological-therapies-in-nonsmall-cell-lung-cancer
#15
REVIEW
Jon Zugazagoitia, Sonia Molina-Pinelo, Fernando Lopez-Rios, Luis Paz-Ares
Biological therapies have improved survival outcomes of advanced-stage nonsmall cell lung cancer (NSCLC). Genotype-directed therapies have changed treatment paradigms of patients with EGFR-mutant and ALK/ROS1-rearranged lung adenocarcinomas, and the list of druggable targets with demonstrated clinical actionability (BRAF, MET, RET, NTRK1 and HER2) continues to expand. Furthermore, we have incrementally understood the mechanisms of cancer immune evasion and foresee ways to effectively circumvent them, particularly at the immune checkpoint level...
March 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28240848/prognostic-significance-of-a-tumor-marker-index-based-on-preoperative-serum-carcinoembryonic-antigen-and-krebs-von-den-lungen-6-levels-in-non-small-cell-lung-cancer
#16
Masaki Tomita, Takanori Ayabe, Eiichi Chosa, Naohiro Nose, Kunihide Nakamura
Background: We retrospectively analysed the prognostic significance of a tumor marker index (TMI) based on preoperative serum carcinoembryonic antigen (CEA) and Krebs von den Lungen-6 (KL-6) levels in nonsmall cell lung cancer (NSCLC) patients. Materials and Methods: We enrolled 176 NSCLC patients who had preoperative serum CEA and KL-6 level measurements and had undergone curative surgery between 2009 and 2011. Results: The 5-year disease-specific survival of patients with high serum CEA levels was significantly poorer compared with that of patients with normal levels...
January 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28230028/leucine-rich-repeats-and-immunoglobulin-like-domains-protein-1-and-fascin-actin-bundling-protein-1-expression-in-nonsmall-cell-lung-cancer
#17
Juanjuan Zhang, Xiaoyan Wang, Yijie Zhang, Jingcan Wu, Nannan Zhou
OBJECTIVE: To assess the clinical significance of leucine-rich repeats and immunoglobulin-like domains protein 1 (LRIG1) and fascin actin-bundling protein 1 (Fascin-1) expression in nonsmall cell lung cancer (NSCLC). MATERIALS AND METHODS: Six-one NSCLC patients were included in this study. The expression of LRIG1 and Fascin-1 was assayed in the tumor tissue and relative normal lung tissue of the 61 NSCLC patients by immunohistochemistry. The relationship between LRIG1, Fascin-1 expression pattern and lung cancer patients' clinical pathology characteristics was evaluated...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28230024/o-6-methylguanine-dna-methyltransferase-gene-promoter-methylation-and-lung-cancer-risk-a-meta-analysis
#18
Zhijia Yang, Fangjun Li
OBJECTIVE: To evaluate O-6-methylguanine-DNA methyltransferase (MGMT) gene promoter methylation pattern in tumor tissue and autologous controls (plasma, normal lung tissue, and bronchial lavage fluid [BLF]) in patients with nonsmall cell lung cancer (NSCLC). MATERIALS AND METHODS: We electronic searched the MEDLINE and CNKI databases to find the open published studies related to MGMT gene promoter hypermethylation in NSCLC patients. The odds ratio (OR) for hypermethylation in plasma, BLF, and tissue was pooled by fixed or random effect model according to the statistical heterogeneity across the included studies...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28230015/screening-of-gene-mutations-associated-with-bone-metastasis-in-nonsmall-cell-lung-cancer
#19
Kun Zhang, Min Zhang, Jinlong Zhu, Wang Hong
OBJECTIVE: The objective of this study is to assess the gene mutation of advanced nonsmall cell lung cancer (NSCLC) patients with bone metastasis using next-generation sequencing (NGS), and screen for the driver genes which are associated with bone metastasis of lung cancer. MATERIALS AND METHODS: Eight clinicopathologic samples from advanced NSCLC combined with bone metastasis patients were collected. Exome sequencing was conducted within 483 tumor-associated genes using Hiseq 2000_PE75 NGS platform...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28230014/nimotuzumab-treatment-and-outcome-analysis-in-patients-with-leptomeningeal-metastasis-from-nonsmall-cell-lung-cancer
#20
Yanfang Ju, Jinliang Wang, Shengjie Sun, Shunchang Jiao
OBJECTIVE: Leptomeningeal metastasis (LM) leades a devastating consequence in patients with nonsmall cell lung cancer(NSCLC). Treatment is very limited for patients with LM. We introduced to use nimotuzumab (also known as h-R3) combined with methotrexate for treating LM in NSCLC patients. PATIENTS AND METHODS: In the present report, twenty patients with LM of NSCLC were included, and the clinicopathology information and outcomes after treatment were analyzed. RESULTS: All the twenty patients with LM were lung adenocarcinoma...
December 2016: Journal of Cancer Research and Therapeutics
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