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https://www.readbyqxmd.com/read/28938691/concomitant-eml4-alk-rearrangement-and-egfr-mutation-in-non-small-cell-lung-cancer-patients-a-literature-review-of-100-cases
#1
REVIEW
Giuseppe Lo Russo, Martina Imbimbo, Giulia Corrao, Claudia Proto, Diego Signorelli, Milena Vitali, Monica Ganzinelli, Laura Botta, Nicoletta Zilembo, Filippo de Braud, Marina Chiara Garassino
The discovery of EGFR mutations and EML4-ALK gene rearrangements has radically changed the therapeutic scenario for patients with advanced non-small cell lung cancer. ALK and EGFR tyrosine-kinase inhibitors showed better activity and efficacy than standard chemotherapy in the first and second line treatment settings, leading to a clear advantage in overall survival of advanced non-small cell lung cancer patients harboring these genetic alterations. Historically the coexistence of EGFR mutations and EML4-ALK rearrangements in the same tumor has been described as virtually impossible...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938639/spondin2-is-a-new-prognostic-biomarker-for-lung-adenocarcinoma
#2
Xiaopeng Yuan, Tingting Bian, Jian Liu, Honggang Ke, Jia Feng, Qing Zhang, Li Qian, Xiaoli Li, Yifei Liu, Jianguo Zhang
Spondin 2 (SPON2) is a member of the F-spondin superfamily of genes that encode an extracellular matrix protein. SPON2 has been identified by mRNA differential display screening of cancerous and noncancerous lung cell lines in vitro [1], however, its role in pulmonary adenocarcinoma (ADC) patients remains unclear. In our study, we evaluated whether SPON2 can be used as a biomarker for the diagnosis of pulmonary ADC and any association between SPON2 protein levels and clinicopathological characteristics. Firstly, the mRNA levels of SPON2 in pulmonary ADCs and normal adjacent tissue samples were detected by quantitative reverse transcription polymerase chain reaction (qRT-PCR) (n = 60) assay and the expression of SPON2 protein were detected by tissue microarray immunohistochemistry analysis (TMA-IHC) (n = 280)...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938637/the-loss-of-function-of-dna-methyltransferase-1-by-sirna-impairs-the-growth-of-non-small-cell-lung-cancer-with-alleviated-side-effects-via-reactivation-of-rassf1a-and-apc-in-vitro-and-vivo
#3
Qi Lai, Yin-Hui Xu, Qiang Chen, Liang Tang, An-Gui Li, Li-Fei Zhang, Chun-Fang Zhang, Jian-Fei Song, Zhen-Zong Du
Hypermethylation of tumor suppressor genes (TSGs) promoters by DNA methyltransferase (DNMT) can be observed in almost all cancers which represent a hallmark of carcinogenesis, including lung cancer. DNMT inhibitors (e.g.5-Aza-CR/CdR) reactivate TSGs to exert anti-cancer activity and have been applied into the clinical. However, it is cytotoxic even at low concentrations, which might be not directly related to DNA methylation. We here investigated an alternative strategy in the lung cancer therapy and aimed to estimate and compare its efficiency and side effects of knockdown of DNMT1 in vitro and in vivo...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938616/identification-of-potential-cancer-related-pseudogenes-in-lung-adenocarcinoma-based-on-cerna-hypothesis
#4
Yunzhen Wei, Zhiqiang Chang, Cheng Wu, Yinling Zhu, Kun Li, Yan Xu
Pseudogenes are initially regarded as non-functional genomic fossils resulted from inactivating gene mutations during evolution. Far from being silent, pseudogenes are proved to regulate the expression of protein-coding genes through function as microRNA sponge in vivo. The aim of our study was to propose an integrative systems biology approach to identify disease pseudogenes base on competitive endogenous RNA (ceRNA) hypothesis. Here, we applied our method to lung adenocarcinoma (LUAD) RNASeq data from TCGA and identified 33 candidate pseudogenes...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938599/a-pathways-based-prediction-model-for-classifying-breast-cancer-subtypes
#5
Tong Wu, Yunfeng Wang, Ronghui Jiang, Xinliang Lu, Jiawei Tian
Breast cancer is highly heterogeneous and is classified into four subtypes characterized by specific biological traits, treatment responses, and clinical prognoses. We performed a systemic analysis of 698 breast cancer patient samples from The Cancer Genome Atlas project database. We identified 136 breast cancer genes differentially expressed among the four subtypes. Based on unsupervised clustering analysis, these 136 core genes efficiently categorized breast cancer patients into the appropriate subtypes. Functional enrichment based on Kyoto Encyclopedia of Genes and Genomes analysis identified six functional pathways regulated by these genes: JAK-STAT signaling, basal cell carcinoma, inflammatory mediator regulation of TRP channels, non-small cell lung cancer, glutamatergic synapse, and amyotrophic lateral sclerosis...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938524/microrna-384-represses-the-growth-and-invasion-of-non-small-cell-lung-cancer-by-targeting-astrocyte-elevated-gene-1-wnt-signaling
#6
Na Fan, Jin Zhang, Chuantao Cheng, Xinwu Zhang, Jie Feng, Ranran Kong
Dysregulation of microRNA (miRNA) expression is a critical event in the development and progression of non-small-cell lung cancer (NSCLC). miR-384 has been identified as a novel cancer-related miRNA in numerous cancers, but little is known about its role and functional mechanism in NSCLC. In this study, we found that miR-384 was significantly downregulated in NSCLC tissues and cell lines. The overexpression of miR-384 repressed the growth and invasion of NSCLC cells, whereas its suppression showed the opposite effect...
September 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28937324/impact-of-2-staged-stereotactic-radiosurgery-for-treatment-of-brain-metastases-%C3%A2-2-cm
#7
Lilyana Angelov, Alireza M Mohammadi, Elizabeth E Bennett, Mahmoud Abbassy, Paul Elson, Samuel T Chao, Joshua S Montgomery, Ghaith Habboub, Michael A Vogelbaum, John H Suh, Erin S Murphy, Manmeet S Ahluwalia, Sean J Nagel, Gene H Barnett
OBJECTIVE Stereotactic radiosurgery (SRS) is the primary modality for treating brain metastases. However, effective radiosurgical control of brain metastases ≥ 2 cm in maximum diameter remains challenging and is associated with suboptimal local control (LC) rates of 37%-62% and an increased risk of treatment-related toxicity. To enhance LC while limiting adverse effects (AEs) of radiation in these patients, a dose-dense treatment regimen using 2-staged SRS (2-SSRS) was used. The objective of this study was to evaluate the efficacy and toxicity of this treatment strategy...
September 22, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28935813/asxl3-is-a-novel-pluripotency-factor-in-human-respiratory-epithelial-cells-and-a-potential-therapeutic-target-in-small-cell-lung-cancer
#8
Vivek Shukla, Mahadev Rao, Hongen Zhang, Jeanette Beers, Darawalee Wangsa, Danny Wangsa, Floryne O Buishand, Yonghong Wang, Zhiya Yu, Holly Stevenson, Emily Reardon, Kaitlin C McLoughlin, Andrew Kaufman, Eden Payabyab, Julie A Hong, Mary Zhang, Sean R Davis, Daniel C Edelman, Guokai Chen, Markku Miettinen, Nicholas Restfo, Thomas Ried, Paul S Meltzer, David S Schrump
In this study, we generated induced pluripotent stem cells (iPSC) from normal human small airway epithelial cells (SAEC) to investigate epigenetic mechanisms of stemness and pluripotency in lung cancers. We documented key hallmarks of reprogramming in lung iPSC (Lu-iPSC) that coincided with modulation of more than 15,000 genes relative to parental SAEC. Of particular novelty, we identified the PRC2-associated protein, ASXL3 which was markedly upregulated in Lu-iPSC and small cell lung cancer (SCLC) lines and clinical specimens...
September 21, 2017: Cancer Research
https://www.readbyqxmd.com/read/28935015/-egfr-and-kras-gene-mutations-in-754-patients-with-resectable-stage-i-iiia-non-small-cell-lung-cancer-and-its-clinical-significance
#9
Jing Zhao, Jie Gao, Liping Guo, Xiaoxu Hu, Qi Liu, Jinyin Zhao, Licheng Liu, Jun Jiang, Mengzhao Wang, Zhiyong Liang, Yan Xu, Minjiang Chen, Li Zhang, Longyun Li, Wei Zhong
BACKGROUND: Epidermal growth factor receptor (EGFR) and KRAS gene are important driver genes of non-small cell lung cancer (NSCLC). The studies are mainly focused on detection of EGFR gene for advanced NSCLC, and the mutation feature of EGFR and KRAS gene in early NSCLC tissue is unknown. This study aims to investigate the mutations of EGFR and KRAS gene in NSCLC, and the relationship between the genotype and clinicopathologic features. METHODS: The hotspot mutations in EGFR and KRAS gene in 754 tissue samples of stage I-IIIa NSCLC from Department of Pathology, Peking Union Medical College Hospital were detected by modified amplification refractory mutation system (ARMS) real-time PCR kit, and analyzed their correlation with clinical variables...
September 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28933588/death-by-over-eating-the-gaucher-disease-associated-gene-gba1-identified-in-a-screen-for-mediators-of-autophagic-cell-death-is-necessary-for-developmental-cell-death-in-drosophila-midgut
#10
Santosh K Dasari, Eyal Schejter, Shani Bialik, Aya Shkedy, Vered Levin-Salomon, Smadar Levin-Zaidman, Adi Kimchi
Autophagy is critical for homeostasis and cell survival during stress, but can also lead to cell death, a little understood process that has been shown to contribute to developmental cell death in lower model organisms, and to human cancer cell death. We recently reported (1) on our thorough molecular and morphologic characterization of an autophagic cell death system involving resveratrol treatment of lung carcinoma cells. To gain mechanistic insight into this death program, we performed a signalome-wide RNAi screen for genes whose functions are necessary for resveratrol-induced death...
September 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28933413/the-role-of-the-nrf2-are-antioxidant-system-in-preventing-cardiovascular-diseases
#11
REVIEW
Robert E Smith, Kevin Tran, Cynthia C Smith, Miranda McDonald, Pushkar Shejwalkar, Kenji Hara
It is widely believed that consuming foods and beverages that have high concentrations of antioxidants can prevent cardiovascular diseases and many types of cancer. As a result, many articles have been published that give the total antioxidant capacities of foods in vitro. However, many antioxidants behave quite differently in vivo. Some of them, such as resveratrol (in red wine) and epigallocatechin gallate or EGCG (in green tea) can activate the nuclear erythroid-2 like factor-2 (Nrf2) transcription factor...
November 11, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28933054/high-stmn1-expression-is-associated-with-cancer-progression-and-chemo-resistance-in-lung-squamous-cell-carcinoma
#12
Pinjie Bao, Takehiko Yokobori, Bolag Altan, Misaki Iijima, Youko Azuma, Ryoichi Onozato, Toshiki Yajima, Akira Watanabe, Akira Mogi, Kimihiro Shimizu, Toshiteru Nagashima, Yoichi Ohtaki, Kai Obayashi, Seshiru Nakazawa, Tuya Bai, Reika Kawabata-Iwakawa, Takayuki Asao, Kyoichi Kaira, Masahiko Nishiyama, Hiroyuki Kuwano
BACKGROUND: Known as a microtubule-destabilizing protein, STMN1 (gene symbol: STMN1) regulates the dynamics of microtubules, cell cycle progress, and chemo-resistance against taxane agents. It is highly expressed in various human cancers and involved in cancer progression as well as poor prognosis. METHODS: Expression of STMN1 was examined by immunohistochemistry using FFPE tissue sections from 186 patients with lung squamous cell carcinoma (LSCC). Analysis of STMN1 suppression was performed for STMN1 small interfering RNA (siRNA)-transfected LSCC cell lines to determine the change in proliferation, invasive and apoptosis abilities, and paclitaxel sensitivity...
September 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28932637/muc1-c-promotes-the-suppressive-immune-microenvironment-in-non-small-cell-lung-cancer
#13
Audrey Bouillez, Dennis Adeegbe, Caining Jin, Xiufeng Hu, Ashujit Tagde, Maroof Alam, Hasan Rajabi, Kwok-Kin Wong, Donald Kufe
The cancer immune microenvironment is of importance for the effectiveness of immunotherapy; however, its dysregulation is poorly understood. The MUC1-C oncoprotein is aberrantly overexpressed in non-small cell lung cancer (NSCLC) and has been linked to the induction of PD-L1. The present work investigated the effects of targeting MUC1-C in an immuno-competent MUC1 transgenic (MUC1.Tg) mouse model. We show that Lewis Lung Carcinoma cells expressing MUC1-C (LLC/MUC1) exhibit upregulation of PD-L1 and suppression of interferon-γ (IFN-γ)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28932563/a-systematic-and-genome-wide-correlation-meta-analysis-of-pd-l1-expression-and-targetable-nsclc-driver-genes
#14
Jin Li, Yaoqi Chen, Xiaoshun Shi, Xiaobing Le, Fenglan Feng, Jingyi Chen, Chengzhi Zhou, Yusong Chen, Shuai Wen, Haikang Zeng, Allen M Chen, Yu Zhang
BACKGROUND: Studies have shown that the ligand of programmed cell death protein 1 (B7-H1, CD274 or PD-L1) is related to lung cancer driver genes. Although studies have examined the association between lung cancer driver gene mutations or expression and PD-L1 expression, the present studies have not been mined the correlation systematically and genome-widely. METHODS: All relevant published PD-L1 articles with driver genes data and the RNA-seq dataset from The Cancer Genome Atlas (TCGA) were analyzed...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28931826/microrna-profiling-study-reveals-mir-150-in-association-with-metastasis-in-nasopharyngeal-carcinoma
#15
Patrick Ying-Kit Yue, Wai-Yan Ha, Chi-Chiu Lau, Florence Man-Fung Cheung, Anne Wing-Mui Lee, Wai-Tong Ng, Roger Kai-Cheong Ngan, Chun-Chung Yau, Dora Lai-Wan Kwong, Hong-Lok Lung, Nai-Ki Mak, Maria Li Lung, Ricky Ngok-Shun Wong
MicroRNAs (miRNAs) are small non-coding RNAs that play a crucial role in pathogenesis of human cancers. Several miRNAs have been shown to involve in nasopharyngeal carcinoma (NPC) pathogenesis through alteration of gene networks. A global view of the miRNA expression profile of clinical specimens would be the best way to screen out the possible miRNA candidates that may be involved in disease pathogenesis. In this study, we investigated the expression profiles of miRNA in formalin-fixed paraffin-embedded tissues from patients with undifferentiated NPC versus non-NPC controls using a miRNA real-time PCR platform, which covered a total of 95 cancer-related miRNAs...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931104/-molecular-diagnostics-of-alk-positive-lung-cancer
#16
József Tímár, Gábor Lotz, Erzsébet Rásó, Judit Moldvay
ALK translocation is the 3rd most frequent genetic aberration in lung adenocarcinoma, and several inhibitors are now clinically available in first and second line settings. Accordingly, molecular diagnostics of ALK-positive lung cancer is very important and can be done with the rational combination of several methods. All international recommendations suggest that, except for cytological samples, screening technology for ALK-positive tumors is immunohistochemistry using a validated test. It is highly recommended that in case of ALK protein positive samples gene translocation must be confirmed by fluorescent in situ hybridization (FISH)...
September 20, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28930110/cytokine-single-nucleotide-polymorphisms-and-risk-of-non-small-cell-lung-cancer
#17
Cristina Pérez-Ramírez, Ahmed Alnatsha, Marisa Cañadas-Garre, Eduardo Villar, Javier Valdivia-Bautista, María J Faus-Dáder, Miguel Á Calleja-Hernández
OBJECTIVE: Lung cancer, particularly the non-small-cell lung cancer (NSCLC) subtype, is the leading cause of cancer-related death worldwide. Several functional polymorphisms in inflammatory cytokine genes, such as IL1B, IL6, IL12A, IL13 and IL16, have been associated with the risk of NSCLC. The aim of this study was to evaluate the association between ILs gene polymorphisms and the risk of developing NSCLC. PARTICIPANTS AND METHODS: A retrospective case-control study was carried out, including 174 NSCLC cases and 298 controls of Spanish origin...
September 18, 2017: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/28929344/glucosidase-ii-beta-subunit-gluii%C3%AE-plays-a-role-in-autophagy-and-apoptosis-regulation-in-lung-carcinoma-cells-in-a-p53-dependent-manner
#18
Worapong Khaodee, Nichanan Inboot, Suruk Udomsom, Warunee Kumsaiyai, Ratchada Cressey
PURPOSE: Glucosidase II plays a major role in regulating the post-translational modification of N-linked glycoproteins. Previously, we found that the beta subunit of glucosidase II (GluIIβ) levels are significantly increased in lung carcinoma tissues, indicating a potential role in lung tumorigenesis. Here, we investigated the role of GluIIβ in the regulation of autophagy and apoptosis in lung carcinoma- and immortalized human bronchial epithelial-derived cells. METHODS: A selective glucosidase II inhibitor, bromoconduritol, was used to inhibit GluII enzyme activity and a siRNA-based technology was used to suppress the expression of the GluIIβ encoding gene PRKCSH in lung carcinoma cells differing in p53 status...
September 19, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28929029/association-of-rs1801157-single-nucleotide-polymorphism-of-cxcl12-gene-in-breast-cancer-in-pakistan-and-in-silico-expression-analysis-of-cxcl12-cxcr4-associated-biological-regulatory-network
#19
Samra Khalid, Rumeza Hanif
BACKGROUND: C-X-C chemokine ligand 12 (CXCL12) has important implications in breast cancer (BC) pathogenesis. It is selectively expressed on B and T lymphocytes and is involved in hematopoiesis, thymocyte trafficking, stem cell motility, neovascularization, and tumorigenesis. The single nucleotide polymorphism (SNP) rs1801157 of CXCL12 gene has been found to be associated with higher risk of BC. METHODS: Our study focuses on the genotypic and allelic distribution of SNP (rs1801157; G/A) in Pakistani population as well as its association with the clinico-pathological features...
2017: PeerJ
https://www.readbyqxmd.com/read/28928874/ercc1_202-is-a-prognostic-biomarker-in-advanced-stage-non-small-cell-lung-cancer-patients-treated-with-platinum-based-chemotherapy
#20
Xiyong Wang, Xiaoli Zhu, Hongming Zhang, Xiaobo Fan, Xiulei Xue, Yan Chen, Chenbo Ding, Jianwen Zhao, Guoqiu Wu
Purpose: To develop a qPCR method to examine the 202 isoform of excision repair cross-complementation group 1 (ERCC1_202) and to evaluate its clinical utility as a predictive biomarker for platinum-based chemotherapy in non-small cell lung cancer (NSCLC). Methods: The relative complementary DNA (cDNA) quantification for ERCC1_202 was conducted using a fluorescence-based, real-time detection method and β-actin was used as a reference gene. Results: A strong correlation was observed between ERCC1_202 mRNA and ERCC1 mRNA levels in NSCLC cells (P < 0...
2017: Journal of Cancer
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