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https://www.readbyqxmd.com/read/29142404/chalepin-a-compound-from-ruta-angustifolia-l-pers-exhibits-cell-cycle-arrest-at-s-phase-suppresses-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-pathway-signal-transducer-and-activation-of-transcription-3-stat3-phosphorylation-and-extrinsic-apoptotic-pathway-in-non-small-cell
#1
Jaime Stella Moses Richardson, Norhaniza Aminudin, Sri Nurestri Abd Malek
Background: Plants have been a major source of inspiration in developing novel drug compounds in the treatment of various diseases that afflict human beings worldwide. Ruta angustifolia L. Pers known locally as Garuda has been conventionally used for various medicinal purposes such as in the treatment of cancer. Objective: A dihydrofuranocoumarin named chalepin, which was isolated from the chloroform extract of the plant, was tested on its ability to inhibit molecular pathways of human lung carcinoma (A549) cells...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29141854/a-p53-deficiency-gene-signature-predicts-recurrence-risk-of-patients-with-early-stage-lung-adenocarcinoma
#2
Yanding Zhao, Frederick S Varn, Guoshuai Cai, Feifei Xiao, Christopher I Amos, Chao Cheng
BACKGROUND: Lung cancer is associated with the highest mortality rate of all cancer types, and the most common histological subtype of lung cancer is adenocarcinoma. In order to apply more effective therapeutic treatment, molecular markers that are able to predict the recurrence risk of patients with adenocarcinoma are critically needed. Mutations in TP53 tumor suppressor gene have been found in approximately 50% of lung adenocarcinoma cases, but the presence of a TP53 mutation does not always associate with increased mortality...
November 15, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29141136/systemic-mrna-delivery-to-the-lungs-by-functional-polyester-based-carriers
#3
Yunfeng Yan, Hu Xiong, Xinyi Zhang, Qiang Cheng, Daniel John Siegwart
Messenger RNA (mRNA) has recently come into focus as an emerging therapeutic class with great potential for protein replacement therapy, cancer immunotherapy, regenerative medicine, vaccines, and gene editing. However, the lack of effective and safe delivery methods impedes the broad application of mRNA-based therapeutics. Here, we report a robust approach to develop efficient polymeric delivery carriers for mRNA. Lead polyesters were identified by in vitro screening of a 480-member combinatorially modified poly(trimethylolpropane allyl ether-co-suberoyl chloride) library for the delivery of luciferase encoding mRNA (Luc mRNA) to IGROV1 cells...
November 15, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29138830/mir%C3%A2-185-inhibits-non%C3%A2-small-cell-lung-cancer-cell-proliferation-and-invasion-through-targeting-of-sox9-and-regulation-of-wnt-signaling
#4
Zhengwen Lei, Hongcan Shi, Wei Li, Duonan Yu, Feiyang Shen, Xi Yu, Dan Lu, Chao Sun, Kai Liao
SRY-box 9 (SOX9) is an important transcription factor required for development, which has additionally been reported to be an independent prognostic indicator for the survival of patients with non‑small cell lung cancer (NSCLC). Accumulating evidence has indicated that dysregulation of microRNAs (miRNAs/miRs) may contribute to the initiation and progression of cancer. SOX9 may be regulated by a number of miRNAs in different types of cancer, including in NSCLC. The present study sought to identify novel candidate miRNAs associated with SOX9 in NSCLC using online tools, and investigated the detailed functions of miR‑185, which suppressed SOX9 mRNA expression most strongly out of the candidate miRNAs...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138807/role-of-lasp-1-a-novel-sox9-transcriptional-target-in-the-progression-of-lung-cancer
#5
Jianguang Shi, Jing Guo, Xinjian Li
Lung cancer accounts for most cancer-related deaths worldwide. However, the underlying mechanism by which it mediates the progression of lung cancer remains unclear. Expression of LASP-1 (LIM and SH3 protein 1) was evaluated in lung cancer tissues and tumor-adjacent normal tissues using immunohistochemistry and western blotting. Functional studies have shown that siRNA-mediated silencing of LASP-1 in human lung cancer cells and reduced cell proliferation, migration, and invasion. Flow cytometry and immunofluorescence staining also revealed that rate of cell apoptosis was increased after knockdown of expression of LASP-1, thereby suggesting that LASP-1 may function as an oncogene during lung cancer progression...
November 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29137407/lncrna-snhg12-contributes-to-multidrug-resistance-through-activating-the-mapk-slug-pathway-by-sponging-mir-181a-in-non-small-cell-lung-cancer
#6
Pei Wang, Dong Chen, Hongbing Ma, Yong Li
Small nucleolar RNA host gene 12 (SNHG12), as one of the long non-coding RNAs (lncRNAs), plays an oncogenic role in various cancers, however, its role in the chemoresistance of non-small cell lung cancer (NSCLC) is unclear. In this study, we investigated the effect of SNHG12 on multidrug resistance (MDR) in NSCLC. The results showed that SNHG12 was high-expressed and miR-181a was low-expressed in NSCLC tumor tissues and cell lines. Knockdown of SNHG12 reversed the resistance to cisplatin, paclitaxel and gefitinib in A549/DDP, A549/PTX and PC9/AB2 cells through inducing cell apoptosis...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137269/local-blockage-of-self-sustainable-erythropoietin-signaling-suppresses-tumor-progression-in-non-small-cell-lung-cancer
#7
Lei He, Shouzhen Wu, Qiang Hao, Elhadji M Dioum, Kuo Zhang, Cun Zhang, Weina Li, Wei Zhang, Yingqi Zhang, Jiming Zhou, Zhijun Pang, Lijuan Zhao, Xiaowen Ma, Meng Li, Qiuyang Zhang
Functional significance of co-expressed erythropoietin (EPO) and its receptor (EPOR) in non-small cell lung cancer (NSCLC) had been under debate. In this study, co-overexpression of EPO/EPOR was confirmed to be positively associated with poor survival in NSCLC. The serum EPO in 14 of 35 enrolled NSCLC patients were found elevated significantly and decreased to normal level after tumor resection. With primary tumor cell culture and patient-derived tumor xenograft (PDX) mouse model, the EPO secretion from the tumors of these 14 patients was verified...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137254/quaking-5-suppresses-aggressiveness-of-lung-cancer-cells-through-inhibiting-%C3%AE-catenin-signaling-pathway
#8
Xuexia Zhou, Xuebing Li, Cuiyun Sun, Cuijuan Shi, Dan Hua, Lin Yu, Yanjun Wen, Feng Hua, Qian Wang, Qinghua Zhou, Shizhu Yu
Quaking-5 (QKI-5) belongs to the STAR (signal transduction and activation of RNA) family of RNA binding proteins and functions as a tumor suppressor in several human malignancies. In this study, we attempt to elucidate the role of QKI-5 in the pro-metastasis processes of lung cancer (LC) cells and the underlying mechanisms. We confirmed that QKI-5 was decreased in human LC tissues and cell lines, especially in high-metastatic cells. Moreover, QKI expression was positively correlated with LC patients' survival...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137177/comprehensive-profiling-of-lincrnas-in-lung-adenocarcinoma-of-never-smokers-reveals-their-roles-in-cancer-development-and-prognosis
#9
Ying Li, Zheng Wang, Asha Nair, Wei Song, Ping Yang, Xiaoju Zhang, Zhifu Sun
Long intergenic non-coding RNA (lincRNA) is a family of gene transcripts, the functions of which are largely unknown. Although cigarette smoking is the main cause for lung cancer, lung cancer in non-smokers is a separate entity and its underlying cause is little known. Growing evidence suggests lincRNAs play a significant role in cancer development and progression; however, such data is lacking for lung cancer in non-smokers, or those who have never smoked. This study conducted comprehensive profiling of lincRNAs from RNA sequencing (RNA-seq) data of non-smoker patients with lung adenocarcinoma...
November 13, 2017: Genes
https://www.readbyqxmd.com/read/29135582/hiv-is-associated-with-airway-obstruction-a-matched-controlled-study
#10
Alain Makinson, Maurice Hayot, Sabrina Eymard-Duvernay, Céline Ribet, François Raffi, Gilles Pialoux, David Zucman, Isabelle Poizot-Martin, Fabrice Bonnet, Sophie Abgrall, Pierre Tattevin, Antoine Cheret, Tristan Ferry, Jean-Marc Mauboussin, Lucie Marchand, Claire Rouzaud, Jacques Reynes, Marie Zins, Vincent Le Moing
OBJECTIVE: to explore whether airway obstruction (AO) is associated with HIV in a cohort of HIV-infected and uninfected smokers. METHODS: People living with HIV (PLWHIV) participated in the ANRS EP48 HIV CHEST study, an early lung cancer diagnosis study with low dose Chest Tomography. HIV-uninfected subjects were from the CONSTANCES cohort. Inclusion criteria were an age > 40 years, a smoking history ≥20 pack-years, and for PLWHIV, a CD4 T-lymphocyte nadir < 350/μl and last CD4 cell count > 100 cells/μl...
November 10, 2017: AIDS
https://www.readbyqxmd.com/read/29133145/egfr-and-ras-regulate-ddx59-during-lung-cancer-development
#11
Lin Yang, Hanyin Zhang, Dan Chen, Peikun Ding, Yunchang Yuan, Yandong Zhang
Oncogenes EGFR and ras are frequently mutated and activated in human lung cancers. In this report, we found that both EGFR and Ras signaling can upregulate RNA helicase DDX59 in lung cancer cells. DDX59 can be induced through the mitogen activated protein kinase (MAPK) pathway after EGFR or Ras activation. Inhibitors for Ras/Raf/MAP pathway significantly decreased DDX59 expression at both protein and mRNA levels. Through immunohistochemistry, we found that DDX59 protein expression correlated with Ras and EGFR mutation status in human lung adenocarcinoma...
November 10, 2017: Gene
https://www.readbyqxmd.com/read/29133127/knockdown-of-lncrna-pvt1-inhibits-tumorigenesis-in-non-small-cell-lung-cancer-by-regulating-mir-497-expression
#12
Dong Guo, Yanli Wang, Kewei Ren, Xinwei Han
Plasmacytoma variant translocation1 (PVT1) was reported to be upregulated in non-small-cell lung cancer (NSCLC) tissues, serve as a promising biomarker for diagnosis and prognosis of NSCLC, and promoted NSCLC cell proliferation. However, the detailed molecular mechanism of PVT1 involved in the pathogenesis and development of NSCLC remains largely unknown. In this study, the expression levels of PVT1 and miR-497 in NSCLC cells were determined by qRT-PCR. Cell viability, invasion and apoptosis were detected by MTT assay, cell invasion assay and flow cytometry analysis, respectively...
November 10, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29131440/mir-193b-availability-is-antagonized-by-lncrna-snhg7-for-faim2-induced-tumour-progression-in-non-small-cell-lung-cancer
#13
Kelin She, Hui Yan, Jun Huang, Huaping Zhou, Jianxing He
OBJECTIVES: Long non-coding RNAs have identified to involve into the tumour cell proliferation, apoptosis and metastasis. We previously found that up-regulated LncRNA-SNHG7 (SNHG7) positively correlated to the Fas apoptosis inhibitory molecule 2 (FAIM2) in lung cancer cells with unclear mechanism. METHODS: Non-small cell lung cancer (NSCLC) and relative normal tissues (n = 25) were collected. The SNHG7 expression and function in NSCLC was determined. The SNHG7-miR 193b-FAIM2 network was analysed in vitro and vivo...
November 12, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/29131257/long-noncoding-rna-casc2-inhibits-metastasis-and-epithelial-to-mesenchymal-transition-of-lung-adenocarcinoma-via-suppressing-sox4
#14
D Wang, Z-M Gao, L-G Han, F Xu, K Liu, Y Shen
OBJECTIVE: Recently, long non-coding RNAs (lncRNAs) have caught more attention for their role in tumor progression. Lung adenocarcinoma (LAC) is one of these ordinary malignant tumors. This study aims to identify whether lncRNA CASC2 (cancer susceptibility candidate 2) can regulate the metastasis of LAC, and find out its potential mechanism. PATIENTS AND METHODS: RT-qPCR was conducted to detect CASC2 expression level in 63 LAC tissues and 4 LAC cells. Besides, statistical methods were applied to analyze clinical data and prognosis in the 63 patients...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29130105/tumor-molecular-profiling-of-nsclc-patients-using-next-generation-sequencing
#15
Nikolaos Tsoulos, Eirini Papadopoulou, Vasiliki Metaxa-Mariatou, Georgios Tsaousis, Chrisoula Efstathiadou, Georgia Tounta, Aikaterini Scapeti, Eugenia Bourkoula, Pavlos Zarogoulidis, George Pentheroudakis, Stylianos Kakolyris, Ioannis Boukovinas, Pavlos Papakotoulas, Elias Athanasiadis, Theofanis Floros, Anna Koumarianou, Vasileios Barbounis, Anca Dinischiotu, George Nasioulas
Non‑small cell lung cancer (NSCLC) is the most common type of lung cancer and a tumor with a broad spectrum of targeted therapies already available or in clinical trials. Thus, molecular characterization of the tumor using next generation sequencing (NGS) technology, has become a key tool for facilitating treatment decisions and the clinical management of NSCLC patients. The performance of a custom 23 gene multiplex amplification hot spot panel, based on Ion AmpliSeq™ technology, was evaluated for the analysis of tumor DNA extracted from formalin-fixed and paraffin-embedded (FFPE) tissues...
December 2017: Oncology Reports
https://www.readbyqxmd.com/read/29127420/genome-wide-analyses-of-long-noncoding-rna-expression-profiles-in-lung-adenocarcinoma
#16
Zhenzi Peng, Jun Wang, Bin Shan, Fulai Yuan, Bin Li, Yeping Dong, Wei Peng, Wenwen Shi, Yuanda Cheng, Yang Gao, Chunfang Zhang, Chaojun Duan
LncRNAs have emerged as a novel class of critical regulators of cancer. We aimed to construct a landscape of lncRNAs and their potential target genes in lung adenocarcinoma. Genome-wide expression of lncRNAs and mRNAs was determined using microarray. qRT-PCR was performed to validate the expression of the selected lncRNAs in a cohort of 42 tumor tissues and adjacent normal tissues. R and Bioconductor were used for data analysis. A total of 3045 lncRNAs were differentially expressed between the paired tumor and normal tissues (1048 up and 1997 down)...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126163/identification-of-novel-cancer-biomarkers-of-prognostic-value-using-specific-gene-regulatory-networks-grn-a-novel-role-of-rad51ap1-for-ovarian-and-lung-cancers
#17
Dimple Chudasama, Valeria Bo, Marcia Hall, Vladimir Anikin, Jeyarooban Jeyaneethi, Jane Gregory, George Pados, Allan Tucker, Amanda Harvey, Ryan Pink, Emmanouil Karteris
To date, microarray analyses have led to the discovery of numerous individual "molecular signatures" associated with specific cancers. However, there are serious limitations for the adoption of these multi-gene signatures in the clinical environment for diagnostic or prognostic testing as studies with more power need to be carried out. This may involve larger richer cohorts and more advanced analyses.In this study, we conduct analyses -based on GRN- to reveal distinct and common biomarkers across cancer types...
November 8, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29125477/microrna-186-suppresses-lung-cancer-progression-by-targeting-sirt6
#18
Libo Ruan, Jun Chen, Litao Ruan, Tianrui Yang, Ping Wang
MicroRNAs are a class of small non-coding RNA molecules that play crucial roles in the initiation and progression of lung cancer. This study was undertaken to investigate the expression and roles of miR-186 in lung cancer. Ectopic expression experiments demonstrated that miR-186 functions as a tumor suppressor. Bioinformatic predictions, a luciferase reporter assay, and protein expression analysis suggested that miR-186 could inhibit the protein levels of SIRT6, a purported tumor suppressor gene. Collectively, our results indicated that miR-186 could inhibit lung cancer progression through targeting SIRT6 and that miR-186 may be a therapeutic target for lung cancer...
November 3, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29124886/cbx3-heterochromatin-protein-1-gamma-is-significantly-upregulated-in-patients-with-non-small-cell-lung-cancer
#19
Shih-Chieh Chang, Yi-Chun Lai, Yen-Chung Chen, Nai-Kuan Wang, Wei-Shu Wang, Jiun-I Lai
AIM: Lung cancer is typically categorized into small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). NSCLC comprises of the majority of lung cancer with a poor prognosis in advanced cases. Transcriptional profiling studies, including microarrays and RNA-sequencing studies, have significantly enriched our knowledge of gene expression patterns in NSCLC. A recent transcriptional profiling study identified high prevalence of CBX3/HP1-gamma upregulation in human NSCLC samples...
November 10, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29123412/lncrna-meg3-enhances-cisplatin-sensitivity-in-non-small-cell-lung-cancer-by-regulating-mir-21-5p-sox7-axis
#20
Pei Wang, Dong Chen, Hongbing Ma, Yong Li
Background: Long noncoding RNAs (lncRNAs) have been revealed to play essential role in drug resistance of multiple cancers. LncRNA MEG3 was previously reported to be associated with cisplatin (DDP) resistance in non-small cell lung cancer (NSCLC) cells. However, the molecular mechanism of MEG3 affecting DDP resistance in NSCLC remains to be further illustrated. In this study, we attempted to discuss whether MEG3 also could function as a competing endogenous RNA to regulate DDP resistance in NSCLC...
2017: OncoTargets and Therapy
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