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https://www.readbyqxmd.com/read/28230015/screening-of-gene-mutations-associated-with-bone-metastasis-in-nonsmall-cell-lung-cancer
#1
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/28229027/risk-analysis-of-colorectal-cancer-incidence-by-gene-expression-analysis
#2
Wei-Chuan Shangkuan, Hung-Che Lin, Yu-Tien Chang, Chen-En Jian, Hueng-Chuen Fan, Kang-Hua Chen, Ya-Fang Liu, Huan-Ming Hsu, Hsiu-Ling Chou, Chung-Tay Yao, Chi-Ming Chu, Sui-Lung Su, Chi-Wen Chang
BACKGROUND: Colorectal cancer (CRC) is one of the leading cancers worldwide. Several studies have performed microarray data analyses for cancer classification and prognostic analyses. Microarray assays also enable the identification of gene signatures for molecular characterization and treatment prediction. OBJECTIVE: Microarray gene expression data from the online Gene Expression Omnibus (GEO) database were used to to distinguish colorectal cancer from normal colon tissue samples...
2017: PeerJ
https://www.readbyqxmd.com/read/28225269/indazole-based-covalent-inhibitors-to-target-drug-resistant-epidermal-growth-factor-receptor
#3
Stefano Tomassi, Jonas Lategahn, Julian Engel, Marina Keul, Hannah Lea Tumbrink, Julia Ketzer, Thomas Mühlenberg, Matthias Baumann, Carsten Schultz-Fademrecht, Sebastian Bauer, Daniel Rauh
The specific targeting of oncogenic mutant epidermal growth factor receptor (EGFR) is a breakthrough in targeted cancer therapy and marks a drastic change in the treatment of non-small cell lung cancer (NSCLC). The recurrent emergence of resistance to these targeted drugs requires the development of novel chemical entities that efficiently inhibit drug-resistant EGFR. Herein, we report the optimization process for a hit compound that has emerged from a phenotypic screen resulting in indazole-based compounds...
February 22, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28223509/high-throughput-screening-of-rare-metabolically-active-tumor-cells-in-pleural-effusion-and-peripheral-blood-of-lung-cancer-patients
#4
Yin Tang, Zhuo Wang, Ziming Li, Jungwoo Kim, Yuliang Deng, Yan Li, James R Heath, Wei Wei, Shun Lu, Qihui Shi
Malignant pleural effusion (MPE), the presence of malignant cells in pleural fluid, is often the first sign of many cancers and occurs in patients with metastatic malignancies. Accurate detection of tumor cells in pleural fluid is crucial because the presence of MPE denotes an advanced stage of disease and directs a switch in clinical managements. Cytology, as a traditional diagnostic tool, has limited sensitivity especially when tumor cells are not abundant, and may be confounded by reactive mesothelial cells in the pleural fluid...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223433/global-cancer-in-women-burden-and-trends
#5
Lindsey A Torre, Farhad Islami, Rebecca L Siegel, Elizabeth M Ward, Ahmedin Jemal
There are striking disparities in the global cancer burden in women, yet few publications highlight cancer occurrence in this population, particularly for cancers that are not sex-specific. This paper, the first in a series of two, summarizes the current burden, trends, risk factors, prevention, early detection, and survivorship of all cancers combined and seven sites (breast, cervix, uterine corpus, ovary, colorectum, lung, and liver) that account for about 60% of the cancer burden among women worldwide, using data from the International Agency for Research on Cancer...
February 21, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28223153/evaluations-of-implementation-at-early-adopting-lung-cancer-screening-programs-lessons-learned
#6
Yaron B Gesthalter, Elisa Koppelman, Rendelle Bolton, Christopher G Slatore, Sue H Yoon, Hilary C Cain, Nichole T Tanner, David H Au, Jack A Clark, Renda Soylemez Wiener
BACKGROUND: Guidelines recommend lung cancer screening and it is currently being adopted nationwide. The American College of Chest Physicians advises inclusion of specific programmatic components to ensure high-quality screening. However, little is known about how lung cancer screening has been implemented in practice. We sought to evaluate the experience of early-adopting programs, characterize barriers faced, and identify strategies to achieve successful implementation. METHODS: We performed qualitative evaluations of lung cancer screening implementation at three Veterans Health Administration facilities, conducting semi-structured interviews with key staff (n=29)...
February 18, 2017: Chest
https://www.readbyqxmd.com/read/28222948/screening-for-lung-cancer-comment-on-results-of-de-torres-et%C3%A2-al-2013
#7
Mark Elwood
No abstract text is available yet for this article.
February 11, 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28222467/design-and-synthesis-of-new-1-3-4-oxadiazole-benzothiazole-and-hydrazone-derivatives-as-promising-chemotherapeutic-agents
#8
Betül Kaya, Weiam Hussin, Leyla Yurttaş, Gülhan Turan-Zitouni, Hülya Karaca Gençer, Merve Baysal, Abdullah Burak Karaduman, Zafer Asim Kaplancıklı
Looking for new cytotoxic and antimicrobial agents with improved antitumor activity, a series of hydrazide and oxadiazole derivatives were designed and synthesized using 3-methoxyphenol as starting substance. Novel N'-(arylidene)-2-(3-methoxyphenoxy)acetohydrazide derivatives (4a-f)/1-(4-substitutedphenyl)-2-[(5-[(3-methoxyphenoxy)methyl]-1,3,4-oxadiazol-2-yl)thio]ethan-1-one derivatives (6a-f)/N-(6-substitutedbenzothiazol-2-yl)-2-[(5-[(3-methoxyphenoxy)methyl]-1,3,4-oxadiazol-2-yl)thio]acetamide derivatives (7a-e) were obtained and evaluated for their in vitro antimicrobial activity against various gram-positive, gram-negative bacteria and fungi...
February 21, 2017: Drug Research
https://www.readbyqxmd.com/read/28216065/preliminary-evaluation-of-a-telephone-based-smoking-cessation-intervention-in-the-lung-cancer-screening-setting-a-randomized-clinical-trial
#9
Kathryn L Taylor, Charlotte J Hagerman, George Luta, Paula G Bellini, Cassandra Stanton, David B Abrams, Jenna A Kramer, Eric Anderson, Shawn Regis, Andrea McKee, Brady McKee, Ray Niaura, Harry Harper, Michael Ramsaier
: Incorporating effective smoking cessation interventions into lung cancer screening (LCS) programs will be essential to realizing the full benefit of screening. We conducted a pilot randomized trial to determine the feasibility and efficacy of a telephone-counseling (TC) smoking cessation intervention vs. usual care (UC) in the LCS setting. In collaboration with 3 geographically diverse LCS programs, we enrolled current smokers (61.5% participation rate) who were: registered to undergo LCS, 50-77 years old, and had a 20+ pack-year smoking history...
February 14, 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28216027/corrigendum-to-metabolomic-based-biomarker-discovery-for-non-invasive-lung-cancer-screening-a-case-study-biochimica-et-biophysica-acta-bba-general-subjects-vol-1860-2016-pp-2682-2687
#10
Keiron O'Shea, Simon J S Cameron, Keir E Lewis, Chuan Lu, Luis A J Mur
No abstract text is available yet for this article.
February 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28215632/ventricular-geometry-from-non-contrast-non-ecg-gated-ct-scans-an-imaging-marker-of-cardiopulmonary-disease-in-smokers
#11
Farbod N Rahaghi, Gonzalo Vegas-Sanchez-Ferrero, Jasleen K Minhas, Carolyn E Come, Isaac De La Bruere, James M Wells, Germán González, Surya P Bhatt, Brett E Fenster, Alejandro A Diaz, Puja Kohli, James C Ross, David A Lynch, Mark T Dransfield, Russel P Bowler, Maria J Ledesma-Carbayo, Raúl San José Estépar, George R Washko
RATIONALE AND OBJECTIVES: Imaging-based assessment of cardiovascular structure and function provides clinically relevant information in smokers. Non-cardiac-gated thoracic computed tomographic (CT) scanning is increasingly leveraged for clinical care and lung cancer screening. We sought to determine if more comprehensive measures of ventricular geometry could be obtained from CT using an atlas-based surface model of the heart. MATERIALS AND METHODS: Subcohorts of 24 subjects with cardiac magnetic resonance imaging (MRI) and 262 subjects with echocardiography were identified from COPDGene, a longitudinal observational study of smokers...
February 15, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28214275/detection-of-pneumocystis-jirovecii-by-nested-pcr-in-hiv-negative-patients-with-pulmonary-disease
#12
Cristina Rodrigues Santos, Ângela M de Assis, Edson A Luz, Luzia Lyra, Ivan F Toro, José Claudio C Seabra, Dira H Daldin, Tathiane U Marcalto, Marcos T Galasso, Ronaldo F Macedo, Angélica Z Schreiber, Francisco H Aoki
BACKGROUND: Nested PCR can be used to determine the status of Pneumocystis jirovecii infection in other lung diseases. AIMS: This study sought to detect a target DNA fragment (mitochondrial large subunit rRNA or mtL SUrRNA) of P. jirovecii in patients with lung disease who underwent bronchoscopy with collection of bronchoalveolar lavage (BAL). METHODS: The results from toluidine blue staining were compared with those obtained using molecular methods that included an "in house" DNA extraction procedure, PCR and nested PCR...
February 14, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28213330/drug-discovery-strategies-in-the-field-of-tumor-energy-metabolism-limitations-by-metabolic-flexibility-and-metabolic-resistance-to-chemotherapy
#13
REVIEW
N D Amoedo, E Obre, R Rossignol
The search for new drugs capable of blocking the metabolic vulnerabilities of human tumors has now entered the clinical evaluation stage, but several projects already failed in phase I or phase II. In particular, very promising in vitro studies could not be translated in vivo at preclinical stage and beyond. This was the case for most glycolysis inhibitors that demonstrated systemic toxicity. A more recent example is the inhibition of glutamine catabolism in lung adenocarcinoma that failed in vivo despite a strong addiction of several cancer cell lines to glutamine in vitro...
February 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28212998/what-factors-do-patients-consider-most-important-in-making-lung-cancer-screening-decisions-findings-from-a-demonstration-project-conducted-in-the-veterans-health-administration
#14
Sarah E Lillie, Steven S Fu, Angela E Fabbrini, Kathryn L Rice, Barbara Clothier, David B Nelson, Elizabeth A Doro, M Anas Moughrabieh, Melissa R Partin
INTRODUCTION: The National Lung Screening Trial recently reported that annual low-dose computed tomography screening is associated with decreased lung cancer mortality in high-risk smokers. This study sought to identify the factors patients consider important in making lung cancer screening (LCS) decisions, and explore variations by patient characteristics and LCS participation. MATERIAL AND METHODS: This observational survey study evaluated the Minneapolis VA LCS Clinical Demonstration Project in which LCS-eligible Veterans (N=1388) were randomized to either Direct LCS Invitation (mailed with decision aid, N=926) or Usual Care (provider referral, N=462)...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28210538/patient-and-primary-care-provider-attitudes-and-adherence-towards-lung-cancer-screening-at-an-academic-medical-center
#15
Duy K Duong, Salma Shariff-Marco, Iona Cheng, Harris Naemi, Lisa M Moy, Robert Haile, Baldeep Singh, Ann Leung, Ann Hsing, Viswam S Nair
Low dose CT (LDCT) for lung cancer screening is an evidence-based, guideline recommended, and Medicare approved test but uptake requires further study. We therefore conducted patient and provider surveys to elucidate factors associated with utilization. Patients referred for LDCT at an academic medical center were questioned about their attitudes, knowledge, and beliefs on lung cancer screening. Adherent patients were defined as those who met screening eligibility criteria and completed a LDCT. Referring primary care providers within this same medical system were surveyed in parallel about their practice patterns, attitudes, knowledge and beliefs about screening...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28209612/microrna-520f-reverses-epithelial-to-mesenchymal-transition-by-targeting-adam9-and-tgfbr2
#16
Jasmijn Gm van Kampen, Onno van Hooij, Cornelius Fj Jansen, Frank P Smit, Paula I van Noort, Iman J Schultz, Roel Qj Schaapveld, Jack A Schalken, Gerald W Verhaegh
Reversing epithelial-to-mesenchymal transition (EMT) in cancer cells has been widely considered as an approach to combat cancer progression and therapeutic resistance, but a limited number of broadly comprehensive investigations of microRNAs involved in this process have been conducted. In this study, we screened a library of 1120 microRNA for their ability to transcriptionally activate the E-cadherin gene CDH1 in a promoter reporter assay as a measure of EMT reversal. By this approach, we defined miR-520f as a novel EMT-reversing microRNA...
February 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28205188/understanding-the-links-between-lung-cancer-copd-and-emphysema-a-key-to-more-effective-treatment-and-screening
#17
REVIEW
Luis M Seijo, Javier J Zulueta
Lung cancer has been linked to the changes in lung function characteristic of chronic obstructive pulmonary disease (COPD) and to the changes in lung morphology seen in emphysema. It seems that a common thread of smoking-induced lung injury can be traced to all three diseases. However, the association is not as straightforward as it may seem; for example, even never-smokers with emphysema have an increased risk of lung cancer. Whether lung cancer, COPD, and emphysema are linked by common genes, mechanisms, causes, or a combination thereof, understanding the associations between them has become a priority for research regarding tobacco-related illnesses...
February 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28201949/evaluating-efficacy-of-current-lung-cancer-screening-guidelines
#18
Barbara Nemesure, April Plank, Lisa Reagan, Denise Albano, Michael Reiter, Thomas V Bilfinger
Objective Current lung cancer screening criteria based primarily on outcomes from the National Lung Screening Trial may not adequately capture all subgroups of the population at risk. We aimed to evaluate the efficacy of lung cancer screening criteria recommended by the United States Preventive Services Task Force, Centers for Medicare and Medicaid Services, and the National Comprehensive Cancer Network in identifying known cases of lung cancer. Methods An investigation of the Stony Brook Cancer Center Lung Cancer Evaluation Center's database identified 1207 eligible, biopsy-proven lung cancer cases diagnosed between January 1996 and March 2016...
January 1, 2017: Journal of Medical Screening
https://www.readbyqxmd.com/read/28199989/presence-of-cancer-associated-mutations-in-exhaled-breath-condensates-of-healthy-individuals-by-next-generation-sequencing
#19
Omar Youssef, Aija Knuuttila, Päivi Piirilä, Tom Böhling, Virinder Sarhadi, Sakari Knuutila
Exhaled breath condensate (EBC) is a non-invasive source that can be used for studying different genetic alterations occurring in lung tissue. However, the low yield of DNA available from EBC has hampered the more detailed mutation analysis by conventional methods. We applied the more sensitive amplicon-based next generation sequencing (NGS) to identify cancer related mutations in DNA isolated from EBC. In order to apply any method for the purpose of mutation screening in cancer patients, it is important to clarify the incidence of these mutations in healthy individuals...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28199742/genetic-analysis-and-clinicopathological-features-of-alk-rearranged-renal-cell-carcinoma-in-a-large-series-of-resected-chinese-renal-cell-carcinoma-patients-and-literature-review
#20
Wenjuan Yu, Yuewei Wang, Yanxia Jiang, Wei Zhang, Yujun Li
AIMS: Anaplastic lymphoma kinase (ALK)-rearranged renal cell carcinoma (RCC) is a rare subtype of RCC reported in recent years with 8 cases so far. The present study is focused on screening ALK-rearranged cases from a large cohort of RCCs in China to determine the frequency of ALK rearrangement and investigate the clinicopathological features and outcomes. METHODS AND RESULTS: Tissues from a total of 477 RCC patients in China were embedded into tissue microarrays for immunostaining...
February 15, 2017: Histopathology
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