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Lung biomarkers

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https://www.readbyqxmd.com/read/28537888/high-expression-of-mir-493-5p-positively-correlates-with-clinical-prognosis-of-non-small-cell-lung-cancer-by-targeting-oncogene-itgb1
#1
Zhu Liang, Rui Kong, Zhan He, Li-Yao Lin, Shan-Shan Qin, Chun-Yuan Chen, Zhan-Qiang Xie, Fei Yu, Guo-Qian Sun, Chun-Guang Li, Da Fu, Geng-Xi Jiang, Jie Chen, Yu-Shui Ma
Increasing evidence supports that microRNA (miRNA)-mediated gene regulation plays a significant functional role in cancer progression. To investigate the expression and clinical significance of ITGB1 in non small cell lung cancer (NSCLC), the expression levels of ITGB1 in NSCLC tissues and human normal lung tissues were analyzed in silico using genes microarray, KEGG pathway and hierarchical clustering analysis followed by validation with quantitative RT-PCR. Our results showed that ITGB1 was upregulated in NSCLC tissues when compared with normal lung tissues...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537880/biological-effects-and-epidemiological-consequences-of-arsenic-exposure-and-reagents-that-can-ameliorate-arsenic-damage-in-vivo
#2
REVIEW
Chinthalapally V Rao, Sanya Pal, Altaf Mohammed, Mudassir Farooqui, Mark P Doescher, Adam S Asch, Hiroshi Y Yamada
Through contaminated diet, water, and other forms of environmental exposure, arsenic affects human health. There are many U.S. and worldwide "hot spots" where the arsenic level in public water exceeds the maximum exposure limit. The biological effects of chronic arsenic exposure include generation of reactive oxygen species (ROS), leading to oxidative stress and DNA damage, epigenetic DNA modification, induction of genomic instability, and inflammation and immunomodulation, all of which can initiate carcinogenesis...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28535157/a-meta-analysis-of-cxcl12-expression-for-cancer-prognosis
#3
Harsh Samarendra, Keaton Jones, Tatjana Petrinic, Michael A Silva, Srikanth Reddy, Zahir Soonawalla, Alex Gordon-Weeks
BACKGROUND: CXCL12 (SDF1) is reported to promote cancer progression in several preclinical models and this is corroborated by the analysis of human tissue specimens. However, the relationship between CXCL12 expression and cancer survival has not been systematically assessed. METHODS: We conducted a systematic review and meta-analysis of studies that evaluated the association between CXCL12 expression and cancer survival. RESULTS: Thirty-eight studies inclusive of 5807 patients were included in the analysis of overall, recurrence-free or cancer-specific survival, the majority of which were retrospective...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28534972/identification-of-mir%C3%A2-124a-as-a-novel-diagnostic-and-prognostic-biomarker-in-non%C3%A2-small-cell-lung-cancer-for-chemotherapy
#4
Pei Luo, Qing Yang, Le-Le Cong, Xiao-Feng Wang, Yu-Sheng Li, Xiao-Ming Zhong, Ru-Ting Xie, Cheng-You Jia, Hui-Qiong Yang, Wen-Ping Li, Xian-Ling Cong, Qing Xia, Da Fu, Qing-Hua Zeng, Yu-Shui Ma
Previous studies have suggested that dysregulation of microRNA (miR) -124a is associated with various types of human cancer. However, there are few studies reporting the level of miR‑124a expression in non‑small cell lung cancer (NSCLC). The present study investigated the association between miR‑124a and NSCLC by analyzing the differential expression of miR‑124a in NSCLC using the GEO database, as well as subsequently performing reverse transcription‑quantitative polymerase chain reaction analysis on 160 NSCLC biopsies, 32 of which were paired with adjacent normal tissues...
May 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534971/mir-483-5p-plays-a-protective-role-in-chronic-obstructive-pulmonary-disease
#5
Zhenyu Shen, Wenxiang Tang, Jiang Guo, Shenghua Sun
Altered microRNA (miRNA or miR) expression has been reported in chronic obstructive pulmonary disease (COPD). The present study aimed to identify the involvement of miRNAs in the pathophysiology of COPD and to explore the effects of various miRNAs with significant alteration on COPD in vitro. We conducted high‑throughput analysis of miRNAs (miRNA microarray) in lung samples from 10 COPD patients and 10 healthy persons with a validation experiment using quantitative (real‑time) polymerase chain reaction (real‑time PCR) panels...
May 18, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28534372/serum-expression-level-of-mir-504-can-differentiate-between-glioblastoma-multiforme-and-solitary-brain-metastasis-of-non-small-cell-lung-carcinoma
#6
Zheng Jin, Ri-Hua Jin, Chi Ma, Hai-Song Li, Hai-Yang Xu
PURPOSE: Gliomas are the most common primary intracranial tumors of the central nervous system (CNS), accounting for about one third of all brain tumors. Glioblastoma multiforme (GBM) is the aggressive grade IV glioma with survival as low as 2-5% in the second year post-diagnosis, hence necessitating efficient diagnostic markers. More than 50% of the non-small cell lung cancer (NSCLC) brain metastases are solitary lesions, often difficult to differentiate from gliomas by conventional imaging diagnostics...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28533476/neutrophil-lymphocyte-ratio-is-a-prognostic-marker-in-patients-with-locally-advanced-stage-iiia-and-iiib-non-small-cell-lung-cancer-treated-with-combined-modality-therapy
#7
Katherine A Scilla, Søren M Bentzen, Vincent K Lam, Pranshu Mohindra, Elizabeth M Nichols, Melissa A Vyfhuis, Neha Bhooshan, Steven J Feigenberg, Martin J Edelman, Josephine L Feliciano
BACKGROUND: Neutrophil-lymphocyte ratio (NLR) is a measure of systemic inflammation that appears prognostic in localized and advanced non-small cell lung cancer (NSCLC). Increased systemic inflammation portends a poorer prognosis in cancer patients. We hypothesized that low NLR at diagnosis is associated with improved overall survival (OS) in locally advanced NSCLC (LANSCLC) patients. PATIENTS AND METHODS: Records from 276 patients with stage IIIA and IIIB NSCLC treated with definitive chemoradiation with or without surgery between 2000 and 2010 with adequate data were retrospectively reviewed...
May 22, 2017: Oncologist
https://www.readbyqxmd.com/read/28533227/detecting-the-presence-and-progression-of-premalignant-lung-lesions-via-airway-gene-expression
#8
Jennifer Beane, Sarah A Mazzilli, Anna M Tassinari, Gang Liu, Xiaohui Zhang, Hanqiao Liu, Anne Dy Buncio, Samjot S Dhillon, Suso J Platero, Marc E Lenburg, Mary E Reid, Stephen Lam, Avrum E Spira
  Lung cancer (LC) is the leading cause of cancer death in the US. The molecular events preceding the onset of disease are poorly understood and no effective tools exist to identify smokers with premalignant lesions (PMLs) that will progress to invasive cancer. Prior work identified molecular alterations in the smoke-exposed airway field of injury associated with LC.  Here we focus on an earlier stage in the disease process leveraging the airway field of injury to study PMLs and its utility in LC chemoprevention...
May 22, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28531215/association-of-cord-blood-chemokines-and-other-biomarkers-with-neonatal-complications-following-intrauterine-inflammation
#9
Yoshikazu Otsubo, Kunio Hashimoto, Taro Kanbe, Muneichiro Sumi, Hiroyuki Moriuchi
BACKGROUND: Intrauterine inflammation has been associated with preterm birth and neonatal complications. Few reports have comprehensively investigated multiple cytokine profiles in cord blood and precisely identified surrogate markers for intrauterine inflammation. AIM: To identify the cytokines and surrogate markers associated with intrauterine inflammation and subsequent neonatal complications. PATIENTS AND METHODS: We analyzed cord blood samples from 135 patients admitted to the neonatal intensive care unit at Sasebo City General Hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28529904/mini-review-of-conventional-and-hypofractionated-radiation-therapy-combined-with-immunotherapy-for-non-small-cell-lung-cancer
#10
REVIEW
Allison M Campbell, Roy H Decker
A successful antitumoral response requires immunological activation as well as an antigenic pool capable of stimulating both the innate and the adaptive immune system. Recent advances in immunotherapy have been aimed at boosting the activation status of the innate and adaptive immune system, including cytokine administration, monoclonal antibodies engineered to target high yield elements in oncogenic signaling pathways, cancer vaccines, and checkpoint inhibitors. Herein, we examine the ways that radiation therapy induced cell death provides a pool of stimulus antigen, and draw parallels from the immunobiology of autoimmunity to explore how the immunogenicity of antigen derived from radiation-induced cell death might augment the antitumoral response...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28529902/current-state-of-immunotherapy-for-non-small-cell-lung-cancer
#11
REVIEW
Jyoti Malhotra, Salma K Jabbour, Joseph Aisner
Lung cancer is the leading cause of cancer mortality and non-small cell lung cancer (NSCLC) accounts for more than 85% of all lung cancers. Platinum-based doublet chemotherapy is the standard first-line treatment for metastatic NSCLC when genomic testing reveals no targetable alteration such as epidermal growth factor receptor (EGFR) mutations, anaplastic lymphoma kinase (ALK) or ROS1 translocation/re-arrangements. But, chemotherapy produces response rates ranging only between 15-30%. For patients whose disease progresses on first-line chemotherapy, second-line therapy historically consists of taxane-based salvage chemotherapy with a response rate of less than 25%...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28529576/increased-mir31hg-lncrna-expression-increases-gefitinib-resistance-in-non-small-cell-lung-cancer-cell-lines-through-the-egfr-pi3k-akt-signaling-pathway
#12
Bing Wang, Hong Jiang, Limin Wang, Xueqin Chen, Kan Wu, Shirong Zhang, Shenglin Ma, Bing Xia
The aim of the present study was to gain insight into the molecular mechanism of gefitinib resistance in non-small cell lung cancer (NSCLC), and demonstrate whether long noncoding RNA (lncRNA) expression signatures differ between gefitinib-sensitive PC9 and gefitinib-resistant PC9 (PC9-R) cell lines. PC9 and PC9-R cells were treated with gefitinib and, after 48 h, proliferation and apoptosis were analyzed using a Cell Counting Kit-8 (CCK-8) assay and flow cytometry. Microarray expression profiling of lncRNAs was undertaken in both PC9 and PC9-R cells, and the expression profiles were verified by reverse transcription quantitative-polymerase chain reaction...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28527914/impact-of-hepatic-p450-mediated-biotransformation-on-the-disposition-and-respiratory-tract-toxicity-of-inhaled-naphthalene
#13
Nataliia Kovalchuk, Jacklyn Kelty, Lei Li, Matthew Hartog, Qing-Yu Zhang, Patricia Edwards, Laura Van Winkle, Xinxin Ding
We determined whether a decrease in hepatic microsomal cytochrome P450 activity would impact lung toxicity induced by inhalation exposure to naphthalene (NA), a ubiquitous environmental pollutant. The liver-Cpr-null (LCN) mouse showed decreases in microsomal metabolism of NA in liver, but not lung, compared to wild-type (WT) mouse. Plasma levels of NA and NA-glutathione conjugates (NA-GSH) were both higher in LCN than in WT mice after a 4-h nose-only NA inhalation exposure at 10ppm. Levels of NA were also higher in lung and liver of LCN, compared to WT, mice, following exposure to NA at 5 or 10ppm...
May 17, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28527352/a-cbr-framework-with-gradient-boosting-based-feature-selection-for-lung-cancer-subtype-classification
#14
Juan Ramos-González, Daniel López-Sánchez, Jose A Castellanos-Garzón, Juan F de Paz, Juan M Corchado
Molecular subtype classification represents a challenging field in lung cancer diagnosis. Although different methods have been proposed for biomarker selection, efficient discrimination between adenocarcinoma and squamous cell carcinoma in clinical practice presents several difficulties, especially when the latter is poorly differentiated. This is an area of growing importance, since certain treatments and other medical decisions are based on molecular and histological features. An urgent need exists for a system and a set of biomarkers that provide an accurate diagnosis...
May 13, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28525914/cigarette-filter-ventilation-and-its-relationship-to-increasing-rates-of-lung-adenocarcinoma
#15
Min-Ae Song, Neal L Benowitz, Micah Berman, Theodore M Brasky, K Michael Cummings, Dorothy K Hatsukami, Catalin Marian, Richard O'Connor, Vaughan W Rees, Casper Woroszylo, Peter G Shields
The 2014 Surgeon General's Report on smoking and health concluded that changing cigarette designs have caused an increase in lung adenocarcinomas, implicating cigarette filter ventilation that lowers smoking machine tar yields. The Food and Drug Administration (FDA) now has the authority to regulate cigarette design if doing so would improve public health. To support a potential regulatory action, two weight-of-evidence reviews were applied for causally relating filter ventilation to lung adenocarcinoma. Published scientific literature (3284 citations) and internal tobacco company documents contributed to causation analysis evidence blocks and the identification of research gaps...
December 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28525386/prognostic-value-of-kras-mutation-in-advanced-non-small-cell-lung-cancer-treated-with-immune-checkpoint-inhibitors-a-metaanalysis-and-review
#16
Jung Han Kim, Hyeong Su Kim, Bum Jun Kim
Immune checkpoint inhibitors (ICIs) have emerged as a promising treatment option in the fight against advanced non-small-cell lung cancer (NSCLC). KRAS is the most frequently mutated oncogene in NSCLC. We performed this meta-analysis to investigate if KRAS mutation status affects survival benefits of ICIs in patients with advanced NSCLC. Electronic databases were searched for eligible studies. We included randomized trials with the data of overall survival stratified by KRAS mutation status. From 3 eligible studies, 138 patients with KRAS mutant NSCLC and 371 with KRAS wild-type tumor were included in the meta-analysis...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523350/comparison-of-a-radiomic-biomarker-with-volumetric-analysis-for-decoding-tumour-phenotypes-of-lung-adenocarcinoma-with-different-disease-specific-survival
#17
Mei Yuan, Yu-Dong Zhang, Xue-Hui Pu, Yan Zhong, Hai Li, Jiang-Fen Wu, Tong-Fu Yu
OBJECTIVES: To compare a multi-feature-based radiomic biomarker with volumetric analysis in discriminating lung adenocarcinomas with different disease-specific survival on computed tomography (CT) scans. METHODS: This retrospective study obtained institutional review board approval and was Health Insurance Portability and Accountability Act (HIPAA) compliant. Pathologically confirmed lung adenocarcinoma (n = 431) manifested as subsolid nodules on CT were identified...
May 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28521294/expression-of-glucose-transporter-1-and-prognosis-in-non-small-cell-lung-cancer-a-pooled-analysis-of-1665-patients
#18
Zhibo Tan, Chao Yang, Xiaohan Zhang, Pingju Zheng, Weixi Shen
Glucose transporter 1 (GLUT1) plays an important role in the transport and metabolism of glucose in cancer cells. An increasing number of studies have explored the connection between GLUT1 expression and prognosis in non-small cell lung cancer (NSCLC), but the results have been controversial. Therefore, we conducted a meta-analysis to obtain a comprehensive evaluation of the prognostic value of GLUT1 in NSCLC. Relevant studies from PubMed, Embase, and Web of Science were searched. Hazard ratios (HRs) and odds ratios (ORs) with their 95% confidence intervals (CIs) were used as the effective measures...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28515940/nivolumab-induced-autoimmune-diabetes-mellitus-presenting-as-diabetic-ketoacidosis-in-a-patient-with-metastatic-lung-cancer
#19
James Luke Godwin, Shuchie Jaggi, Imali Sirisena, Pankaj Sharda, Ajay D Rao, Ranee Mehra, Colleen Veloski
BACKGROUND: Advances in cancer immunotherapy have generated encouraging results in multiple malignancies refractory to standard chemotherapies. As the use of immune checkpoint inhibitors (ICI) proliferates, the incidence of autoimmune side effects associated with these agents, termed immune related adverse events (irAE), is expected to increase. The frequency of significant irAE in ICI treated patients is about 10-20% and early recognition is critical to prevent serious morbidity and even mortality...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28515245/biomarker-based-treatment-selection-in-non-small-cell-lung-cancer
#20
Wallace Akerley
Patients with non-small cell lung cancer must be tested for biomarkers. Currently, treatments directed against EGFR, ALK, and ROS1 mutations are standard of care. A number of emerging new targets and treatments are on the horizon.
May 2017: Journal of the National Comprehensive Cancer Network: JNCCN
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