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https://www.readbyqxmd.com/read/27933671/causal-inference-in-obesity-research
#1
REVIEW
P W Franks, N Atabaki-Pasdar
Obesity is a risk factor for a plethora of severe morbidities and premature death. Most supporting evidence comes from observational studies that are prone to chance, bias and confounding. Even data on the protective effects of weight loss from randomized controlled trials will be susceptible to confounding and bias if treatment assignment cannot be masked, which is usually the case with lifestyle and surgical interventions. Thus, whilst obesity is widely considered the major modifiable risk factor for many chronic diseases, its causes and consequences are often difficult to determine...
December 8, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27933110/profiling-lung-adenocarcinoma-by-liquid-biopsy-can-one-size-fit-all
#2
Harry W Clifford, Amy P Cassidy, Courtney Vaughn, Evaline S Tsai, Bianka Seres, Nirmesh Patel, Hannah L O'Neill, Emil Hewage, John W Cassidy
BACKGROUND: Cancer is first and foremost a disease of the genome. Specific genetic signatures within a tumour are prognostic of disease outcome, reflect subclonal architecture and intratumour heterogeneity, inform treatment choices and predict the emergence of resistance to targeted therapies. Minimally invasive liquid biopsies can give temporal resolution to a tumour's genetic profile and allow the monitoring of treatment response through levels of circulating tumour DNA (ctDNA). However, the detection of ctDNA in repeated liquid biopsies is currently limited by economic and time constraints associated with targeted sequencing...
2016: Cancer Nanotechnology
https://www.readbyqxmd.com/read/27932759/-prkar1%C3%AE-expression-in-non-small-cell-lung-cancer-and-%C3%A2-its-clinicopathologic-significance
#3
Shaoqiang Wang, Yuanda Cheng, Zhiwei He, Wolong Zhou, Yang Gao, Chaojun Duan, Chunfang Zhang
To evaluate the expression of cAMP-dependent protein kinase type I-alpha regulatory subunit (PRKAR1α) in non-small cell lung cancer (NSCLC) and its correlation with clinicopathological features.
 Methods: PRKAR1α expressions in 79 NSCLC patients and matched adjacent non-carcinoma tissues were analyzed by using qRT-PCR and immunohistochemistry.
 Results: The negative rates of PRKAR1α protein in NSCLC, lung squamous cell carcinoma (SCL) and lung adenocarcinoma (ACL) were 58.2%, 77.8%, 32.4%, respectively...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27932067/nivolumab-plus-ipilimumab-as-first-line-treatment-for-advanced-non-small-cell-lung-cancer-checkmate-012-results-of-an-open-label-phase-1-multicohort-study
#4
Matthew D Hellmann, Naiyer A Rizvi, Jonathan W Goldman, Scott N Gettinger, Hossein Borghaei, Julie R Brahmer, Neal E Ready, David E Gerber, Laura Q Chow, Rosalyn A Juergens, Frances A Shepherd, Scott A Laurie, William J Geese, Shruti Agrawal, Tina C Young, Xuemei Li, Scott J Antonia
BACKGROUND: Nivolumab has shown improved survival in the treatment of advanced non-small-cell lung cancer (NSCLC) previously treated with chemotherapy. We assessed the safety and activity of combination nivolumab plus ipilimumab as first-line therapy for NSCLC. METHODS: The open-label, phase 1, multicohort study (CheckMate 012) cohorts reported here were enrolled at eight US academic centres. Eligible patients were aged 18 years or older with histologically or cytologically confirmed recurrent stage IIIb or stage IV, chemotherapy-naive NSCLC...
December 2, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27931198/fdg-pet-parameters-predicting-mediastinal-malignancy-in-lung-cancer
#5
M Serra Fortuny, M Gallego, Ll Berna, C Montón, L Vigil, M J Masdeu, A Fernández-Villar, M I Botana, R Cordovilla, R García-Luján, E Cases, E Monsó
BACKGROUND: Staging of mediastinal lymph nodes in non-small cell lung cancer (NSCLC) is mandatory. The maximum Standard Uptake Value (SUVmax) obtained using F-18 fluorodeoxyglucose positron emission tomography (FDG-PET) is the best non-invasive technique available for this evaluation, but its performance varies from center to center. The aim of the present study was to identify FDG-PET predictors of mediastinal malignancy that are able to minimize intercenter variability and improve the selection of subsequent staging procedures...
December 8, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27930635/optimal-treatment-of-unresectable-stage-iii-non-small-cell-lung-cancer
#6
Jeffrey D Bradley
No abstract text is available yet for this article.
November 2016: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/27930522/promoter-hypermethylation-of-wnt-inhibitory-factor-1-in-patients-with-lung-cancer-a-systematic-meta-analysis
#7
Yu Zheng, Xia Li, Yiming Jiang, Yufen Xu, Binbin Song, Qiang Zhou, Xiaodong Liang, Xinmei Yang
BACKGROUND: Promoter hypermethylation of Wnt inhibitory factor-1 (WIF-1)-a tumor suppressor gene-has been detected in several types of human tumors. However, the association between WIF-1 promoter hypermethylation and lung cancer remains to be elucidated. Therefore, we conducted this study to evaluate the clinical significance of WIF-1 promoter hypermethylation in lung cancer. METHODS: A comprehensive literature search was conducted to obtain eligible studies. The combined odds ratios (ORs) or hazard ratios and 95% confidence intervals were used to estimate the strength of associations...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27929537/upregulation-of-mir-205-under-hypoxia-promotes-epithelial-mesenchymal-transition-by-targeting-aspp2
#8
Xingwen Wang, Miao Yu, Kunming Zhao, Mengmeng He, Wenjie Ge, Yuhui Sun, Yihua Wang, Haizhu Sun, Ying Hu
The epithelial-mesenchymal transition (EMT) is one of the crucial procedures for cancer invasion and distal metastasis. Despite undergoing intensive studies, the mechanisms underlying EMT remain to be completely elucidated. Here, we identified that apoptosis-stimulating protein of p53-2 (ASPP2) is a novel target of MiR-205 in various cancers. Interestingly, the binding site of MiR-205 at the 3'-untranslated region of ASPP2 was highly conserved among different species. An inverse correlation between MiR-205 and ASPP2 was further observed in vivo in cervical cancers, suggesting MiR-205 may be an important physiological inhibitor of ASPP2...
December 8, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27928923/primary-murine-neurons-as-in-vitro-model-for-studying-neuroinfections-caused-by-human-adenoviruses
#9
J Cymerys, A Słońska, M Chodkowski, M Przybylski, M W Bańbura
Adenoviral infections of the central nervous system are rare, but they are characteristic for their high mortality rate. People with impaired immunity and children are particularly vulnerable. A few reports of neuroinfections caused by adenoviruses are found in literature. In this study the tropism of the human adenoviruses type 4, 5, 7 to primary cultures of murine neurons and the influence of infection on the neuron morphology and actin cytoskeleton was examined. The A549 non-small-cell lung cancer cell line was used as a reference line...
2016: Acta Virologica
https://www.readbyqxmd.com/read/27928604/-surgery-of-colorectal-lung-metastases-results-of-a-survey-in-germany
#10
W Dudek, W Schreiner, P Stapel, N Vassos, R Grützmann, H Sirbu
BACKGROUND: There is no evidence from randomized trials on the prognostic significance of pulmonary metastasectomy of colorectal cancer. The objective of this study was to assess the current criteria for indications, preoperative diagnostics and preferred operative techniques of pulmonary metastasectomy in Germany. METHODS: An anonymous survey was carried out in 239 German centers performing thoracic surgery in October 2015. RESULTS: Chest computed tomography (CT, 98%), liver CT (62%), pelvis CT (39%) and fluorodeoxyglucose positron emission tomography (FDG-PET, 37%) were used by the respondents (65% of participants) for preoperative staging...
December 7, 2016: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/27926526/use-of-capture-based-next-generation-sequencing-to-detect-alk-fusion-in-plasma-cell-free-dna-of-patients-with-non-small-cell-lung-cancer
#11
Shaohua Cui, Wei Zhang, Liwen Xiong, Feng Pan, Yanjie Niu, Tianqing Chu, Huimin Wang, Yizhuo Zhao, Liyan Jiang
Capture-based next-generation sequencing (NGS) is a potentially useful diagnostic method to measure tumor tissue DNA in blood as it can identify concordant mutations between cell-free DNA (cfDNA) and primary tumor DNA in lung cancer patients. In this study, the sensitivity, specificity and accuracy of capture-based NGS for detecting ALK fusion in plasma cfDNA was assessed. 24 patients with tissue ALK-positivity and 15 who did not harbor ALK fusion were enrolled. 13 ALK-positive samples were identified by capture-based NGS among the 24 samples with tissue ALK-positivity...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926523/long-non-coding-rna-neat1-overexpression-is-associated-with-poor-prognosis-in-cancer-patients-a-systematic-review-and-meta-analysis
#12
Chao Yang, Zhuo Li, Yajun Li, Rui Xu, Yongfeng Wang, Yu Tian, Wei Chen
OBJECTIVES: Long non-coding RNAs (lncRNAs) are playing important roles in cancer progression and metastasis. Recent studies have demonstrated that the lncRNA, nuclear paraspeckle assembly transcript 1 (NEAT1), was aberrantly up-regulated in various types of cancers and was reported to be associated with unfavorable prognosis in cancer patients. This study examined the relationship between NEAT1 and relevant clinical outcomes. RESULTS: A total of 1354 patients from 11 eligible studies were included in the meta-analysis...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926516/frequent-silencing-of-the-candidate-tumor-suppressor-trim58-by-promoter-methylation-in-early-stage-lung-adenocarcinoma
#13
Koichiro Kajiura, Kiyoshi Masuda, Takuya Naruto, Tomohiro Kohmoto, Miki Watabnabe, Mitsuhiro Tsuboi, Hiromitsu Takizawa, Kazuya Kondo, Akira Tangoku, Issei Imoto
In this study, we aimed to identify novel drivers that would be epigenetically altered through aberrant methylation in early-stage lung adenocarcinoma (LADC), regardless of the presence or absence of tobacco smoking-induced epigenetic field defects. Through genome-wide screening for aberrantly methylated CpG islands (CGIs) in 12 clinically uniform, stage-I LADC cases affecting six non-smokers and six smokers, we identified candidate tumor-suppressor genes (TSGs) inactivated by hypermethylation. Through systematic expression analyses of those candidates in panels of additional tumor samples and cell lines treated or not treated with 5-aza-deoxycitidine followed by validation analyses of cancer-specific silencing by CGI hypermethylation using a public database, we identified TRIM58 as the most prominent candidate for TSG...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926500/the-association-between-clinical-prognostic-factors-and-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor-egfr-tki-efficacy-in-advanced-non-small-cell-lung-cancer-patients-a-retrospective-assessment-of-94-cases-with-egfr-mutations
#14
Jing-Hui Lin, Dong Lin, Ling Xu, Qiang Wang, Hui-Hua Hu, Hai-Peng Xu, Zhi-Yong He
OBJECTIVE: This study aimed to examine the association of clinical prognostic factors with epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) efficacy in advanced non-small-cell lung cancer (NSCLC) patients. METHODS: The demographic and clinical characteristics of 94 patients with stage IV NSCLC were retrospectively reviewed, and the association between clinical factors and EGFR-TKIs efficacy was evaluated. RESULTS: Of the 94 stage IV NSCLC patients enrolled in this study, a 74...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27924837/baseline-neutrophil-lymphocyte-ratio-is-associated-with-baseline-and-subsequent-presence-of-brain-metastases-in-advanced-non-small-cell-lung-cancer
#15
Young Wha Koh, Jin-Hyuk Choi, Mi Sun Ahn, Yong Won Choi, Hyun Woo Lee
We examined the predictive value of neutrophil-lymphocyte ratio (NLR) by examining their association with the baseline presence and subsequent development of brain metastases in patients with stage IV non-small cell lung cancer (NSCLC). We examined the predictive value of NLR for brain metastasis in 260 stage IV NSCLC. Logistic regression models and competing risk analysis were used to determine the association of NLR with baseline and subsequent presence of brain metastases. Multivariate analysis reveals that patients with high NLR (≥4...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924504/clinical-features-and-prognostic-factors-of-small-cell-lung-cancer-a-retrospective-study-in-148-patients
#16
Qian Cai, Hong-Lan Luo, Xi-Can Gao, Chun-Jin Xiong, Fan Tong, Rui-Guang Zhang, Yu Hu, Gang Wu, Xiao-Rong Dong
To better understand the outcomes of small cell lung cancer (SCLC), we examined the clinical features and prognostic factors of SCLC in this study. A total of 148 patients who were diagnosed as having SCLC between January 2009 and December 2013 in Cancer Center of Union Hospital, Wuhan, China, were enrolled and their clinical features and prognostic factors were retrospectively analyzed. Log-rank test and Cox regression model were employed for analysis of prognostic factors. The 1- and 2-year overall survival (OS) rates were 59...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27923550/treatment-design-and-rationale-for-a-randomized-trial-of-cisplatin-and-etoposide-plus-thoracic-radiotherapy-followed-by-nivolumab-or-placebo-for-locally-advanced-non-small-cell-lung-cancer-rtog-3505
#17
David E Gerber, James J Urbanic, Corey Langer, Chen Hu, I-Fen Chang, Bo Lu, Benjamin Movsas, Robert Jeraj, Walter J Curran, Jeffrey D Bradley
Radiation Therapy Oncology Group (RTOG) 3505 is a randomized phase 3 study of concurrent chemoradiation followed by immune checkpoint inhibitor therapy or placebo in patients with locally advanced non-small-cell lung cancer (NSCLC). Patients with surgically unresectable stage 3 NSCLC will receive thoracic radiotherapy to 60 Gy with concurrent cisplatin 50 mg/m(2) intravenously (I.V.) on days 1, 8, 29, and 36, and etoposide 50 mg/m(2) I.V. on days 1 to 5 and days 29 to 33. Between 4 and 12 weeks after completion of concurrent chemoradiation, eligible patients will be randomized to the anti-programmed death 1 (PD-1) monoclonal antibody nivolumab 240 mg I...
October 26, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27923066/somatic-genomics-and-clinical-features-of-lung-adenocarcinoma-a-retrospective-study
#18
Jianxin Shi, Xing Hua, Bin Zhu, Sarangan Ravichandran, Mingyi Wang, Cu Nguyen, Seth A Brodie, Alessandro Palleschi, Marco Alloisio, Gianluca Pariscenti, Kristine Jones, Weiyin Zhou, Aaron J Bouk, Joseph Boland, Belynda Hicks, Adam Risch, Hunter Bennett, Brian T Luke, Lei Song, Jubao Duan, Pengyuan Liu, Takashi Kohno, Qingrong Chen, Daoud Meerzaman, Crystal Marconett, Ite Laird-Offringa, Ian Mills, Neil E Caporaso, Mitchell H Gail, Angela C Pesatori, Dario Consonni, Pier Alberto Bertazzi, Stephen J Chanock, Maria Teresa Landi
BACKGROUND: Lung adenocarcinoma (LUAD) is the most common histologic subtype of lung cancer and has a high risk of distant metastasis at every disease stage. We aimed to characterize the genomic landscape of LUAD and identify mutation signatures associated with tumor progression. METHODS AND FINDINGS: We performed an integrative genomic analysis, incorporating whole exome sequencing (WES), determination of DNA copy number and DNA methylation, and transcriptome sequencing for 101 LUAD samples from the Environment And Genetics in Lung cancer Etiology (EAGLE) study...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27922678/a-novel-rapid-point-of-care-test-for-lung-cancer-patients-to-detect-epidermal-growth-factor-receptor-gene-mutations-by-using-real-time-droplet-pcr-and-fresh-liquid-cytology-specimens
#19
Shiho Asaka, Akihiko Yoshizawa, Kazuyuki Matsuda, Akemi Yamaguchi, Hiroshi Yamamoto, Takayuki Shiina, Rie Nakata, Kaoru Ogawa, Meng Zhang, Takayuki Honda
Epidermal growth factor receptor gene (EGFR) mutations are associated with response to tyrosine kinase inhibitors (TKIs) in patients with non-small cell lung cancer (NSCLC). We developed a novel, rapid EGFR mutation assay using a real-time droplet-polymerase chain reaction machine (EGFR d-PCR assay). The purpose of this study was to validate the performance of the EGFR d-PCR assay using fresh liquid cytology specimens. We analyzed three major EGFR mutations (L858R in exon 21, E746_A750del in exon 19 and T790M in exon 20) in 80 fresh liquid cytology specimens of adenocarcinoma (ADC) or NSCLC-not otherwise specified (NOS) via the EGFR d-PCR assay and conventional real-time PCR assay using the therascreen® EGFR RGQ PCR kit (Therascreen assay)...
December 2, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27922540/prognostic-value-of-quantitative-pet-ct-in-patients-with-a-nonsmall-cell-lung-cancer-and-another-primary-cancer
#20
Xuee Zhu, Chuanhong Liao, Bill C Penney, Feng Li, Mark K Ferguson, Cassie A Simon, Tianming Wu, Haiyan Liu, Yonglin Pu
OBJECTIVE: The staging and management of patients with newly diagnosed nonsmall cell lung cancer (NSCLC) in the setting of recently diagnosed other (metachronous or synchronous) primary cancer are challenging. This retrospective cohort study was carried out to test our hypothesis that baseline 2-deoxy-2-[F]fluoro-D-glucose (F-FDG) PET/CT parameters, including whole-body metabolic tumor volume (MTVWB), total lesion glycolysis (TLGWB), and maximum standardized uptake value (SUVmaxWB), are associated with the overall survival (OS) of such patients...
December 2, 2016: Nuclear Medicine Communications
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