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https://www.readbyqxmd.com/read/29166168/additional-recommendations-for-alk-gene-rearranged-non-small-cell-lung-cancer-to-the-recently-updated-american-society-of-clinical-oncology-guideline-for-stage-iv-non-small-cell-lung-cancer
#1
Marlies E H M Van Hoef
No abstract text is available yet for this article.
November 22, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29165714/blood-lipid-genetic-scores-the-hmgcr-gene-and-cancer-risk-a-mendelian-randomization-study
#2
Marju Orho-Melander, George Hindy, Signe Borgquist, Christina-Alexandra Schulz, Jonas Manjer, Olle Melander, Tanja Stocks
Background: It is unclear whether there are causal associations between blood lipids, statin use and cancer risks. Under certain assumptions, Mendelian randomization analysis of a genetic marker for an exposure eliminates reverse causation and confounding. Methods: We applied Mendelian randomization analysis to genetic scores, comprising 26-41 single-nucleotide polymorphisms (SNPs), as instrumental variables (IVs) for triglycerides and low- and high-density lipoprotein cholesterol (LDLC, HDLC), using a prospective cohort of 26 904 individuals in which there were 6607 incident cancers...
November 20, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29165057/pulmonary-toxicity-and-global-gene-expression-changes-in-response-to-sub-chronic-inhalation-exposure-to-crystalline-silica-in-rats
#3
Christina Umbright, Rajendran Sellamuthu, Jenny R Roberts, Shih-Houng Young, Diana Richardson, Diane Schwegler-Berry, Walter McKinney, Bean Chen, Ja Kook Gu, Michael Kashon, Pius Joseph
Exposure to crystalline silica results in serious adverse health effects, most notably, silicosis. An understanding of the mechanism(s) underlying silica-induced pulmonary toxicity is critical for the intervention and/or prevention of its adverse health effects. Rats were exposed by inhalation to crystalline silica at a concentration of 15 mg/m(3), 6 hr/day, 5 days/week for 3, 6 or 12 weeks. Pulmonary toxicity and global gene expression profiles were determined in lungs at the end of each exposure period...
2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29164963/amorphous-silica-nanoparticles-induce-malignant-transformation-and-tumorigenesis-of-human-lung-epithelial-cells-via-p53-signaling
#4
Caixia Guo, Ji Wang, Man Yang, Yang Li, Shuxiang Cui, Xianqing Zhou, Yanbo Li, Zhiwei Sun
Rapid development and deployment of engineered nanomaterials, such as amorphous silica nanoparticles (SiNPs) in various commercial and biomedical applications have raised concerns about their potential adverse health effects, especially their chronic effects which have not been well addressed. In this study, human lung epithelial cells, BEAS-2B were continuously exposed to amorphous SiNPs, 5 μg/mL for 40 passages. We demonstrated here that prolonged exposure of BEAS-2B cells to amorphous SiNPs induced malignant transformation as indicated by enhanced cellular proliferation, anchorage-independent cell growth, and increased cell migration...
November 22, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/29164842/tumor-suppressor-role-of-mir-503
#5
Gaurav Gupta, Dinesh K Chellappan, Terezinha de Jesus Andreoli Pinto, Philip M Hansbro, Mary Bebawy, Kamal Dua
MicroRNAs (miRNAs) are noncoding RNAs of around 20-25 nucleotides in length with highly conserved characteristics. They moderate posttranscriptional silencing by precisely combining with 3' untranslated regions (UTRs) of target mRNAs at a complementary site. miR503, an associate of the "canonical" miRNA16 family, is expressed in numerous types of tumors such as breast cancer, prostate cancer, lung cancer, colorectal cancer, hepatocellular carcinoma, glioblastoma and several others. There is convincing evidence to show that miR503 functions as a tumor suppressor gene through its effects on target genes that regulate cell proliferation, migration, and invasion in tumor cells...
November 22, 2017: Panminerva Medica
https://www.readbyqxmd.com/read/29164615/arhgef19-interacts-with-braf-to-activate-mapk-signaling-during-the-tumorigenesis-of-non-small-cell-lung-cancer
#6
Yingchang Li, Zhihua Ye, Shuai Chen, Zhiwen Pan, Qianghua Zhou, Yi-Zhuo Li, Wen-di Shuai, Chun-Mei Kuang, Qi-Hua Peng, Wei Shi, Xueli Mao, Ran-Yi Liu, Wenlin Huang
Rho guanine nucleotide exchange factors (RhoGEFs) are proteins that activate Rho GTPases in response to extracellular stimuli and regulate various biologic processes. ARHGEF19, one of RhoGEFs, was reported to activate RhoA in the Wnt-PCP pathway controlling convergent extension in Xenopus gastrulation. The goal of this study was to identify the role and molecular mechanisms of ARHGEF19 in the tumorigenesis of non-small cell lung cancer (NSCLC). ARHGEF19 expression was significantly elevated in NSCLC tissues, and ARHGEF19 levels were significantly associated with lymph node status, distant metastasis and TNM stage; Patients with high ARHGEF19 levels had poor overall survival (OS) and progression-free survival (PFS)...
November 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29164017/the-daniel-k-inouye-college-of-pharmacy-scripts-targeted-nanocarrier-based-systems-for-the-treatment-of-lung-cancer
#7
Susanne R Youngren-Ortiz, Mahavir B Chougule
In Hawai'i, lung cancer is among the top cancers diagnosed and a leading cause of death. Despite current understanding and modern surgery, radiology, and chemotherapy techniques, the survival of those suffering from lung cancer remains low. Current anticancer drugs have poor tumor tissue selectivity and toxicity issues that contribute to their overall low efficacy, detrimental effects to normal tissues, and drug resistance. A potential way of mitigating cancer is through RNA interference (RNAi) by the delivery of small interfering RNA (siRNA) to target select proteins or genes involved in cancer progression, known as oncoproteins or oncogenes, respectively...
November 2017: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/29163706/igfbp-4-expression-is-adversely-associated-with-lung-cancer-prognosis
#8
Yang Xiao, Shan Zhu, Wen Yin, Xiaofan Liu, Yi Hu
Insulin-like growth factor binding protein-4 (IGFBP-4) was reported to be associated with prognosis in several types of cancer; however, to the best of our knowledge, whether it is correlated with lung cancer has yet to be reported. In the present study, 102 pairs of lung cancer tissues and surrounding non-cancerous tissues (SNCTs) were collected. The IGFBP-4 levels in tissues were detected with immunohistochemistry. The relevance of IGFBP-4 to the survival of patients was assessed. The IGFBP-4 gene was knocked down, and its function in the proliferation of lung cancer cells was measured...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163177/assessment-of-pharmacogenomic-panel-assay-for-prediction-of-taxane-toxicities-preliminary-results
#9
Raffaele Di Francia, Luigi Atripaldi, Salvo Di Martino, Carla Fierro, Tommaso Muto, Anna Crispo, Sabrina Rossetti, Gaetano Facchini, Massimiliano Berretta
Backbone: Paclitaxel and docetaxel are the primary taxane anticancer drugs regularly used to treat, breast, gastric, ovarian, head/neck, lung, and genitourinary neoplasm. Suspension of taxane treatments compromising patient benefits is more frequently caused by peripheral neuropathy and allergy, than to tumor progression. Several strategies for preventing toxicity have been investigated so far. Recently, findings on the genetic variants associated with toxicity and resistance to taxane-based chemotherapy have been reported...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29163048/nicotinic-acetylcholine-receptor-subtype-alpha-9-mediates-triple-negative-breast-cancers-based-on-a-spontaneous-pulmonary-metastasis-mouse-model
#10
Li-Chi Huang, Ching-Ling Lin, Jia-Zheng Qiu, Chun-Yu Lin, Kai-Wen Hsu, Ka-Wai Tam, Jung-Yu Lee, Jinn-Moon Yang, Chia-Hwa Lee
Triple-negative breast cancer (TNBC) subtype is associated with poor prognosis and a high risk of recurrence-related death in women. Despite the aggressiveness of TNBCs, targeted TNBC therapy is not yet available in the clinic. To overcome this challenge, we generated highly metastatic TNBC cells (LM) derived from metastasized lung cells via a serial spontaneous pulmonary metastasis animal model to identify targetable molecules for attenuating the progression of TNBC metastasis. Gene analysis of primary tumor (P), first-round (1LM) and second-round (2LM) metastasized lung cells revealed that mesenchymal-related genes were significantly expressed in LM cells, especially in 2LM cells...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29161765/mir-335-inhibited-cell-proliferation-of-lung-cancer-cells-by-target-tra2%C3%AE
#11
Jian Liu, Tingting Bian, Jia Feng, Li Qian, Jianguo Zhang, Daishan Jiang, Qing Zhang, Xiaoli Li, Yifei Liu, Jiahai Shi
Accumulating evidence has suggested that the dysregulation of miRNAs is an important factor in the pathogenesis of lung cancer. Here, we demonstrate that miR-335 expression is reduced in non-small cell lung cancer (NSCLC) tumors relative to non-cancerous adjacent tissues, whilst the expression of Tra2β is increased. In addition, clinical data revealed that the increased Tra2β and decreased miR-335 expression observed in NSCLC cells was associated with poor patient survival rates. In-vitro experimentation showed that the overexpression of miR-335 inhibited the growth, invasion and migration capabilities of A459 lung cancer cells, by targeting Tra2β...
November 21, 2017: Cancer Science
https://www.readbyqxmd.com/read/29161592/tumor-suppressor-inactivation-of-gdf11-occurs-by-precursor-sequestration-in-triple-negative-breast-cancer
#12
Sameer S Bajikar, Chun-Chao Wang, Michael A Borten, Elizabeth J Pereira, Kristen A Atkins, Kevin A Janes
Triple-negative breast cancer (TNBC) is an aggressive and heterogeneous carcinoma in which various tumor-suppressor genes are lost by mutation, deletion, or silencing. Here we report a tumor-suppressive mode of action for growth-differentiation factor 11 (GDF11) and an unusual mechanism of its inactivation in TNBC. GDF11 promotes an epithelial, anti-invasive phenotype in 3D triple-negative cultures and intraductal xenografts by sustaining expression of E-cadherin and inhibitor of differentiation 2 (ID2). Surprisingly, clinical TNBCs retain the GDF11 locus and expression of the protein itself...
November 20, 2017: Developmental Cell
https://www.readbyqxmd.com/read/29158850/mmpp-attenuates-non-small-cell-lung-cancer-growth-by-inhibiting-the-stat3-dna-binding-activity-via-direct-binding-to-the-stat3-dna-binding-domain
#13
Dong Ju Son, Jie Zheng, Yu Yeon Jung, Chul Ju Hwang, Hee Pom Lee, Ju Rang Woo, Song Yi Baek, Young Wan Ham, Min Woong Kang, Minho Shong, Gi Ryang Kweon, Min Jong Song, Jae Kyung Jung, Sang-Bae Han, Bo Yeon Kim, Do Young Yoon, Bu Young Choi, Jin Tae Hong
Rationale: Signal transducer and activator of transcription-3 (STAT3) plays a pivotal role in cancer biology. Many small-molecule inhibitors that target STAT3 have been developed as potential anticancer drugs. While designing small-molecule inhibitors that target the SH2 domain of STAT3 remains the leading focus for drug discovery, there has been a growing interest in targeting the DNA-binding domain (DBD) of the protein. Methods: We demonstrated the potential antitumor activity of a novel, small-molecule (E)-2-methoxy-4-(3-(4-methoxyphenyl)prop-1-en-1-yl)phenol (MMPP) that directly binds to the DBD of STAT3, in patient-derived non-small cell lung cancer (NSCLC) xenograft model as well as in NCI-H460 cell xenograft model in nude mice...
2017: Theranostics
https://www.readbyqxmd.com/read/29158820/ph-sensitive-nano-complexes-overcome-drug-resistance-and-inhibit-metastasis-of-breast-cancer-by-silencing-akt-expression
#14
Jieying Yin, Tianqun Lang, Dongmei Cun, Zhong Zheng, Yan Huang, Qi Yin, Haijun Yu, Yaping Li
The therapy of breast cancer is encumbered by drug resistance and metastasis, which can be due to a defective PI3K/AKT/mTOR signaling pathway. This study was aimed at improving the anti-cancer effect of the chemotherapeutic agent paclitaxel (PTX) on the drug resistant and metastatic breast cancer by co-delivering PTX and a siRNA, siAkt, directed at silencing the Akt expression. Methods: The pH-sensitive amphiphilic polymer, poly [(1,4-butanediol)-diacrylate-β-N, N-diisopropylethylenediamine]-polyethyleneimine (BDP) was synthesized...
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
#15
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/29158802/cytokine-induced-killer-cells-modulates-resistance-to-cisplatin-in-the-a549-ddp-cell-line
#16
Lili Yang, Chunjuan Du, Lei Wu, Jinpu Yu, Xiumei An, Wenwen Yu, Shui Cao, Hui Li, Xiubao Ren
Background Cytokine-induced killer (CIK) cells can potentially enhance the tumor-killing activity of chemotherapy. Objective This study aimed to evaluate the effects of CIK cells on cisplatin (DDP) resistance in the human lung adenocarcinoma cell line A549/DDP. Methods The detect resistance index, drug resistance related-genes and cytokine secretion of A549/DDP co-cultured with CIK cells were assayed in vitro. Results After A549/DDP co-culture with CIK cells, the DDP resistance of A549/DDP significantly decreased in a time-dependent manner...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29158789/arecoline-increases-glycolysis-and-modulates-ph-regulator-expression-in-ha22t-vgh-hepatoma-cells-leading-to-increase-of-intracellular-ca-2-reactive-oxygen-species-and-anoikis
#17
Hsiao-Ling Cheng, Wen-Tsan Chang, Yu-Chen Hu, Bau-Shan Hsieh, Tzu-Ching Huang, Inn-Wen Chong, Li-Wen Huang, Kee-Lung Chang
Background: Cancer cells proliferate rapidly and are resistant to cell death, relying on aggravated glycolysis to satisfy their increased demand for energy and biosynthetic precursors. However, this process may create unfavorable microenvironments, such as increased acidity, leading to cytotoxicity. Our previous study demonstrated that arecoline induces anoikis of HA22T/VGH hepatoma cells. The present study aimed to examine if arecoline induced anoikis is related to the glycolytic pathway and explore the underlying mechanisms...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29158506/the-ikk-nf-%C3%AE%C2%BAb-signaling%C3%A2-pathway-requires-morgana-to-drive-breast-cancer-metastasis
#18
Federica Fusella, Laura Seclì, Elena Busso, Anna Krepelova, Enrico Moiso, Stefania Rocca, Laura Conti, Laura Annaratone, Cristina Rubinetto, Maurizia Mello-Grand, Vijay Singh, Giovanna Chiorino, Lorenzo Silengo, Fiorella Altruda, Emilia Turco, Alessandro Morotti, Salvatore Oliviero, Isabella Castellano, Federica Cavallo, Paolo Provero, Guido Tarone, Mara Brancaccio
NF-κB is a transcription factor involved in the regulation of multiple physiological and pathological cellular processes, including inflammation, cell survival, proliferation, and cancer cell metastasis. NF-κB is frequently hyperactivated in several cancers, including triple-negative breast cancer. Here we show that NF-κB activation in breast cancer cells depends on the presence of the CHORDC1 gene product Morgana, a previously unknown component of the IKK complex and essential for IκBα substrate recognition...
November 21, 2017: Nature Communications
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
#19
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/29157814/mistletoe-viscum-album-extract-targets-axl-to-suppress-cell-proliferation-and-overcome-cisplatin-and-erlotinib-resistance-in-non-small-cell-lung-cancer-cells
#20
Soyoung Kim, Kyung-Chan Kim, ChuHee Lee
BACKGROUND: Mistletoe extract of Visucm album extract (VAE) contains many biologically active components and has been reported to be not only a complementary and alternative medicine, but also a potent therapeutic agent for many types of cancer. PURPOSE: In this study, we examined the effect of VAE on expression and activation of Axl and scrutinized the involvement of Axl in the anti-cancer activity of VAE in parental and chemo-resistant non-small cell lung cancer (NSCLC) cells...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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