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Lung biomarkers

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https://www.readbyqxmd.com/read/29159900/p100-functions-as-a-metastasis-activator-and-is-targeted-by-tumor-suppressing-microrna-320a-in-lung-cancer
#1
Aimin Xing, Li Pan, Jingzhen Gao
BACKGROUND: Lung cancer is among the most frequently diagnosed types of cancer worldwide, with high morbidity and mortality. Metastasis accounts for the deadliest and most poorly understood feature of lung cancer. Herein, we demonstrate that SND1 (also known as p100) acts as a candidate metastasis activator and is targeted by microRNA-320a (miR-320a) in lung cancer cells. METHODS: p100 expression in lung cancer cell lines and tissues was determined by quantitative real time-PCR and Western blot...
November 21, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/29158826/label-free-biochips-for-accurate-detection-of-prostate-cancer-in-the-clinic-dual-biomarkers-and-circulating-tumor-cells
#2
Lung-Hsuan Pan, See-Tong Pang, Po-Yu Fang, Cheng-Keng Chuang, Hung-Wei Yang
Purpose: Early diagnosis of prostate cancer (PCa) is essential for the prevention of metastasis and for early treatment; therefore, we aimed to develop a simple, accurate, and multi-analyte assay system for early PCa diagnosis in this study. Experimental design: We fabricated three kinds of biochips then integrated into microfluidic device for simultaneous detection of vascularendothelial growth factor (VEGF), prostate-specific antigen (PSA), and PCa circulating tumor cells (CTC) in human serum for accurate diagnosis of PCa...
2017: Theranostics
https://www.readbyqxmd.com/read/29158814/dna-methylation-of-mir-7-is-a-mechanism-involved-in-platinum-response-through-mafg-overexpression-in-cancer-cells
#3
Olga Vera, Julia Jimenez, Olga Pernia, Carlos Rodriguez-Antolin, Carmen Rodriguez, Fatima Sanchez Cabo, Javier Soto, Rocio Rosas, Sara Lopez-Magallon, Isabel Esteban Rodriguez, Ana Dopazo, Federico Rojo, Cristobal Belda, Rafael Alvarez, Jaime Valentin, Javier Benitez, Rosario Perona, Javier De Castro, Inmaculada Ibanez de Caceres
One of the major limitations associated with platinum use is the resistance that almost invariably develops in different tumor types. In the current study, we sought to identify epigenetically regulated microRNAs as novel biomarkers of platinum resistance in lung and ovarian cancers, the ones with highest ratios of associated chemo-resistance. Methods: We combined transcriptomic data from microRNA and mRNA under the influence of an epigenetic reactivation treatment in a panel of four paired cisplatin -sensitive and -resistant cell lines, followed by real-time expression and epigenetic validations for accurate candidate selection in 19 human cancer cell lines...
2017: Theranostics
https://www.readbyqxmd.com/read/29158797/pd-l1-is-a-prognostic-biomarker-in-resected-nsclc-patients-with-moderate-high-smoking-history-and-elevated-serum-scca-level
#4
Lianjing Cao, Xinyue Wang, Shouying Li, Qiongjie Zhi, Yuqian Wang, Liuchun Wang, Kai Li, Richeng Jiang
Programmed cell death-1 (PD-1) -targeted immunotherapy has become a promising treatment paradigm for patients with advanced non-small cell lung cancer (NSCLC). Clinical responses to checkpoint inhibition therapy in NSCLC have been associated with programmed death-1 ligand 1 (PD-L1) expression. However, the association between the expression of PD-L1 and PD-L2 and the clinicopathological features and patient outcomes in NSCLC remain unclear. We retrospectively analyzed 364 patients (158 squamous cell carcinoma and 206 adenocarcinoma) who underwent complete resection between 2009 and 2012...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29158193/egfr-gene-copy-number-by-fish-may-predict-outcome-of-necitumumab-in-squamous-lung-carcinomas-analysis-from-the-squire-study
#5
Carlo Genova, Mark A Socinski, Rebecca R Hozak, Gu Mi, Raffael Kurek, Javad Shahidi, Luis Paz-Ares, Nick Thatcher, Christopher J Rivard, Marileila Varella-Garcia, Fred R Hirsch
INTRODUCTION: Necitumumab is a monoclonal antibody targeting the epidermal growth factor receptor (EGFR). In the SQUIRE trial, the addition of necitumumab to chemotherapy in squamous cell lung cancer (SCC) significantly improved overall survival (OS) (HR=0.84); in a post-hoc analysis, EGFR copy number gain determined by fluorescence in situ hybridization (FISH) showed a trend towards improved OS (HR=0.70) and progression-free survival (PFS) (HR=0.71) with the addition of necitumumab. We present the analysis of granular EGFR-FISH data from SQUIRE to examine the potential predictive role of high polysomy and gene amplification as both were included in the "FISH-positive" category...
November 17, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29157724/differential-n-glycan-patterns-identified-in-lung-adenocarcinoma-by-n-glycan-profiling-of-formalin-fixed-paraffin-embedded-ffpe-tissue-sections
#6
Xiaoning Wang, Zaian Deng, Chuncui Huang, Tong Zhu, Jiatao Lou, Lin Wang, Yan Li
N-glycan profiling is a powerful approach for analyzing the functional relationship between N-glycosylation and cancer. Current methods rely on either serum or fresh tissue samples; however, N-glycan patterns may differ between serum and tissue, as the proteins of serum originate from a variety of tissues. Furthermore, fresh tissue samples are difficult to ship and store. Here, we used a profiling method based on formalin-fixed paraffin-embedded (FFPE) tissue sections from lung adenocarcinoma patients. We found that our method was highly reproducible...
November 17, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/29157388/future-directions-in-pet-imaging-of-lung-cancer
#7
REVIEW
Tim Akhurst
There is an ongoing and successful effort in developing new radiopharmaceuticals that coupled with new developments in chemistry and instrumentation offers the potential of rapidly defining imaging biomarkers and theranostic paradigms. The overarching challenge remains in funding and approving such agents; the Food and Drug Administration in the United States is making efforts to improve the process, but the time to release PET agents from the regulator shackles is surely now, to bring to patients the excellence of preclinical work that has already been done...
January 2018: PET Clinics
https://www.readbyqxmd.com/read/29157115/subgroup-analysis-based-on-prognostic-and-predictive-gene-signatures-for-adjuvant-chemotherapy-in-early-stage-non-small-cell-lung-cancer-patients
#8
Hojin Moon, Yuan Zhao, Dustin Pluta, Hongshik Ahn
In treating patients diagnosed with early Stage I non-small-cell lung cancer (NSCLC), doctors must choose surgery alone, Adjuvant Cisplatin-Based Chemotherapy (ACT) alone or both. For patients with resected stages IB to IIIA, clinical trials have shown a survival advantage from 4-15% with the adoption of ACT. However, due to the inherent toxicity of chemotherapy, it is necessary for doctors to identify patients whose chance of success with ACT is sufficient to justify the risks. This research seeks to use gene expression profiling in the development of a statistical decision-making algorithm to identify patients whose survival rates will improve from ACT treatment...
November 20, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/29156844/a-three-microrna-signature-for-lung-squamous-cell-carcinoma-diagnosis-in-chinese-male-patients
#9
Lan Zhang, Xia Shan, Jun Wang, Jun Zhu, Zebo Huang, Huo Zhang, Xin Zhou, Wenfang Cheng, Yongqian Shu, Wei Zhu, Ping Liu
Various studies have demonstrated the diagnostic value of microRNA (miRNA) for lung cancer, but miRNA signatures varied between different subtypes. Whether serum miRNAs could be used as biomarkers in lung squamous cell carcinoma (SCC) remains unknown. Using quantitative real-time polymerase chain reaction (qRT-PCR) based Exiqon panel, 38 differentially expressed miRNAs were identified from 3 male lung SCC pool samples and 1 normal control (NC) pool in the initial screening phase. After the training (24 SCC VS...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156821/prognostic-significance-of-circulating-tumor-cells-in-non-small-cell-lung-cancer-patients-undergoing-chemotherapy
#10
Bing Tong, Yan Xu, Jing Zhao, Minjiang Chen, Jia Xing, Wei Zhong, Mengzhao Wang
The utility of circulating tumor cells (CTCs) as prognostic biomarkers in non-small cell lung cancer (NSCLC) is inconclusive due to the limitations of current CTC detection methods. Using a novel high-efficiency detection method, we determined the ability of CTCs to predict survival and chemotherapeutic responses in NSCLC. In 127 patients with advanced NSCLC, CTCs were counted and analyzed at baseline and during follow-up. Median overall survival (OS) and progression-free survival (PFS) were longer in patients with baseline CTC counts <8 CTCs/3...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156155/leukotriene-b4-indicates-lung-injury-and-on-going-inflammatory-changes-after-severe-trauma-in-a-porcine-long-term-model
#11
Philipp Störmann, Birgit Auner, Lukas Schimunek, Rafael Serve, Klemens Horst, Tim-P Simon, Roman Pfeifer, Kernt Köhler, Frank Hildebrand, Sebastian Wutzler, Hans-Christoph Pape, Ingo Marzi, Borna Relja
BACKGROUND: Recognizing patients at risk for pulmonary complications (PC) is of high clinical relevance. Migration of polymorphonuclear leukocytes (PMN) to inflammatory sites plays an important role in PC, and is tightly regulated by specific chemokines including interleukin (IL)-8 and other mediators such as leukotriene (LT)B4. Previously, we have reported that LTB4 indicated early patients at risk for PC after trauma. Here, the relevance of LTB4 to indicating lung integrity in a newly established long-term porcine severe trauma model (polytrauma, PT) was explored...
December 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/29155424/immune-checkpoint-inhibitors-in-sarcomas-in-quest-of-predictive-biomarkers
#12
Robin Veenstra, Marie Kostine, Anne-Marie Cleton-Jansen, Noel Fcc de Miranda, Judith Vmg Bovée
Sarcomas are a rare group of tumors of mesenchymal origin. Metastatic sarcomas are often difficult to treat and unresponsive to standard radio- and chemotherapy, resulting in a poor survival rate for patients. Novel treatments with immune checkpoint inhibitors have been proven to prolong survival of patients with a variety of cancers, including metastatic melanoma, lung, and renal cell carcinoma. Since immune checkpoint inhibitors could provide a novel treatment option for patients with sarcomas, clinical trials investigating their efficacy in these group of tumors are ongoing...
November 20, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29155240/matrix-metalloproteinases-a-challenging-paradigm-of-cancer-management
#13
REVIEW
Ali Alaseem, Khalid Alhazzani, Priya Dondapati, Saad Alobid, Anupam Bishayee, Appu Rathinavelu
Matrix metalloproteinases (MMPs) are members of zinc-dependent endopeptidases implicated in a variety of physiological and pathological processes. Over the decades, MMPs have been studied for their role in cancer progression, migration, and metastasis. As a result, accumulated evidence of MMPs incriminating role has made them an attractive therapeutic target. Early generations of broad-spectrum MMP inhibitors exhibited potent inhibitory activities, which subsequently led to clinical trials. Unexpectedly, these trials failed to meet the desired goals, mainly due to the lack of efficacy, poor oral bioavailability, and toxicity...
November 16, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29153898/the-significance-of-the-pd-l1-expression-in-non-small-cell-lung-cancer-trenchant-double-swords-as-predictive-and-prognostic-markers
#14
REVIEW
Kazuki Takada, Gouji Toyokawa, Fumihiro Shoji, Tatsuro Okamoto, Yoshihiko Maehara
Lung cancer is the leading cause of death due to cancer worldwide. Surgery, chemotherapy, and radiotherapy have been the standard treatment for lung cancer, and targeted molecular therapy has greatly improved the clinical course of patients with non-small-cell lung cancer (NSCLC) harboring driver mutations, such as in epidermal growth factor receptor and anaplastic lymphoma kinase genes. Despite advances in such therapies, the prognosis of patients with NSCLC without driver oncogene mutations remains poor. Immunotherapy targeting programmed cell death-1 (PD-1) and programmed cell death-ligand 1 (PD-L1) has recently been shown to improve the survival in advanced NSCLC...
October 28, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29153200/adrenomedullin-as-a-biomarker-of-heart-failure
#15
REVIEW
Toshio Nishikimi, Yasuaki Nakagawa
Adrenomedullin (AM) is a vasodilatory peptide originally discovered in human pheochromocytoma tissue. Although AM is highly expressed in the adrenal glands, heart, lungs, and kidneys, vascular endothelium and smooth muscle are thought to be the main source of plasma AM. The AM precursor is processed to AM-glycine, which is then converted to AM-mature through C-terminal amidation. In this process, mid-regional pro-adrenomedullin (MR-proAM) is also produced. Plasma AM, AM-mature, AM-glycine, and MR-proAM levels are all higher in patients with heart failure than healthy subjects in proportional to the disease severity...
January 2018: Heart Failure Clinics
https://www.readbyqxmd.com/read/29152097/identifying-and-analyzing-different-cancer-subtypes-using-rna-seq-data-of-blood-platelets
#16
Yu-Hang Zhang, Tao Huang, Lei Chen, YaoChen Xu, Yu Hu, Lan-Dian Hu, Yudong Cai, Xiangyin Kong
Detection and diagnosis of cancer are especially important for early prevention and effective treatments. Traditional methods of cancer detection are usually time-consuming and expensive. Liquid biopsy, a newly proposed noninvasive detection approach, can promote the accuracy and decrease the cost of detection according to a personalized expression profile. However, few studies have been performed to analyze this type of data, which can promote more effective methods for detection of different cancer subtypes...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152081/identification-of-lung-adenocarcinoma-specific-dysregulated-genes-with-diagnostic-and-prognostic-value-across-27-tcga-cancer-types
#17
Jun Shang, Qian Song, Zuyi Yang, Dongyao Li, Wenjie Chen, Lei Luo, Yongkun Wang, Jingcheng Yang, Shikang Li
As the most common histologic subtype of lung cancer, lung adenocarcinoma (LUAD) contributes to a majority of cancer-related deaths worldwide annually. In order to find specific biomarkers of LUAD that are able to distinguish LUAD from other types of cancer so as to improve the early diagnostic and prognostic power in LUAD, we analyzed 10098 tumor tissue samples across 27 TCGA cancer types and identified 112 specific expressed genes in LUAD. Meantime, 8240 LUAD dysregulated genes in tumor and normal samples were identified...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151950/mcms-expression-in-lung-cancer-implication-of-prognostic-significance
#18
Yi-Zhen Liu, Bo-Shi Wang, Yan-Yi Jiang, Jian Cao, Jia-Jie Hao, Yu Zhang, Xin Xu, Yan Cai, Ming-Rong Wang
Minichromosome Maintenance (MCM) proteins play essential roles in various cancers. We previously reported that MCM7 could be a prognostic biomarker in non-small cell lung cancer (NSCLC). The purpose of current study is to explore roles of other MCM proteins in NSCLC and their correlation with clinico-pathologic parameters of NSCLC patients. We evaluated the expression of MCM2, MCM5 and MCM6 immunohistochemically in 571 primary NSCLC samples. High expression of MCM2, MCM5 and MCM6 was detected in 42.2%, 38.3% and 52...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151944/dna-methylation-analysis-of-the-shox2-and-rassf1a-panel-in-bronchoalveolar-lavage-fluid-for-lung-cancer-diagnosis
#19
Chenzi Zhang, Wenjun Yu, Lin Wang, Mingna Zhao, Qiaomei Guo, Shaogang Lv, Xiaomeng Hu, Jiatao Lou
Introduction: Currently the majority of lung cancer patients are diagnosed as advanced diseases for no sensitive and specific biomarkers exist, noninvasive biomarkers with high sensitivity and specificity are urgently needed in lung cancer diagnosis. Bronchoscopy is a standard procedure of the diagnostic work-up of patients with suspected lung cancer despite of the limited diagnostic accuracy. Besides, epigenetic changes through DNA methylation play an important role in tumorigenesis. Thus, we examined the aberrant methylation of the SHOX2 and RASSF1A in bronchoalveolar lavage fluid (BALF) in comparing with conventional cytology examination and serum CEA in order to evaluate the new diagnostic method...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151932/restoration-of-klf4-inhibits-invasion-and-metastases-of-lung-adenocarcinoma-through-suppressing-mmp2
#20
Shaoli Li, Lixia Huang, Jincui Gu, Jian Wu, Weijun Ou, Jinglun Feng, Baomo Liu, Xiaoxian Xu, Yanbin Zhou
BACKGROUND: KLF4 is a zin-finger transcription factor that plays roles in differentiation, development, and proliferation. Recent studies show that KLF4 is involved in tumorigenesis and somatic cells reprogramming. Metastasis is the primary cause of death in patients with lung cancer, and its biological mechanisms are poorly understood. GOALS: In this study, we aim to explore the expression pattern and biological function of KLF4 in lung adenocarcinoma. METHODS: We determined KLF4 in lung adenocarcinoma tissue and cell lines, using immunohistochemistry and western blotting...
2017: Journal of Cancer
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