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https://www.readbyqxmd.com/read/28637014/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#1
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636987/combination-of-calr-and-pdia3-is-a-potential-prognostic-biomarker-for-non-small-cell-lung-cancer
#2
Ke Wang, Hao Li, Ruo Chen, Yang Zhang, Xiu-Xuan Sun, Wan Huang, Huijie Bian, Zhi-Nan Chen
Proteomic-based approaches for biomarker discovery are promising strategies used in cancer research. In this study, we performed quantitative proteomic analysis on 16 paired samples of non-small cell lung cancer (NSCLC) and adjacent non-tumor lung tissues using label-free quantitative proteomics and liquid chromatography-tandem mass spectrometry/mass spectrometry (LC-MS/MS) to identify differentially expressed proteins. A total of 91 proteins were differentially expressed in NSCLC compared with adjacent non-tumor lung tissues among 4047 identified proteins (fold change > 1...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636539/chromatin-remodeling-protein-morc2-promotes-breast-cancer-invasion-and-metastasis-through-a-prd-domain-mediated-interaction-with-ctnnd1
#3
Xiao-Hong Liao, Ye Zhang, Wen-Jie Dong, Zhi-Min Shao, Da-Qiang Li
MORC family CW-type zinc finger 2 (MORC2) is a newly identified chromatin remodeling protein with emerging roles in the regulation of DNA damage response and gene transcription, but its mechanistic role in breast cancer development and progression remains unexplored. Here, we show that MORC2 promoted breast cancer invasion and metastasis and these effects depended on a proline-rich domain (PRD) within its carboxy-terminal region spanning residues 601-734. Induced expression of wild-type MORC2 did not significantly affect cell proliferation and cell-cycle progression, but promoted breast cancer cell migration and invasion in vitro and metastatic lung colonization in vivo...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28628391/interest-and-attitudes-of-patients-with-advanced-cancer-with-regard-to-secondary-germline-findings-from-tumor-genomic-profiling
#4
Jada G Hamilton, Elyse Shuk, Margaux C Genoff, Vivian M Rodríguez, Jennifer L Hay, Kenneth Offit, Mark E Robson
PURPOSE: Tumor genomic profiling (TGP) can reveal secondary findings about inherited disease risks in a patient with cancer. Little is known about how patients with advanced cancer, currently the primary users of TGP, perceive the benefits and harms of secondary germline findings. METHODS: We conducted semistructured interviews with 40 patients with advanced breast, bladder, colorectal, or lung cancer who had TGP. Qualitative interview data were evaluated by using a thematic content analysis approach...
June 19, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28625359/roles-of-arf6-in-cancer-cell-invasion-metastasis-and-proliferation
#5
REVIEW
Rui Li, Cheng Peng, Xianzhe Zhang, Yuewei Wu, Shida Pan, Yechen Xiao
ADP-ribosylation factor 6 (Arf6), a member of small GTPases ADP-ribosylation factor (Arf) family, expresses widely in mammalian cells and mainly regulates the functions of membrane traffic and actin remodeling. Current studies indicated that the activation and high expression of Arf6 protein may be significantly correlated with the invasion and metastasis of several tumors, such as breast cancer, pancreatic cancer, lung cancer, etc. Meanwhile, the ability of tumor invasion and metastasis can be suppressed when Arf6 activity is blocked by the inhibitors or small-interfering RNAs of Arf6...
June 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28622690/exploiting-cancer-s-phenotypic-guise-against-itself-targeting-ectopically-expressed-peptide-g-protein-coupled-receptors-for-lung-cancer-therapy
#6
REVIEW
Mahjabin Khan, Tao Huang, Cheng-Yuan Lin, Jiang Wu, Bao-Min Fan, Zhao-Xiang Bian
Lung cancer, claiming millions of lives annually, has the highest mortality rate worldwide. This advocates the development of novel cancer therapies that are highly toxic for cancer cells but negligibly toxic for healthy cells. One of the effective treatments is targeting overexpressed surface receptors of cancer cells with receptor-specific drugs. The receptors-in-focus in the current review are the G-protein coupled receptors (GPCRs), which are often overexpressed in various types of tumors. The peptide subfamily of GPCRs is the pivot of the current article owing to the high affinity and specificity to and of their cognate peptide ligands, and the proven efficacy of peptide-based therapeutics...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28621244/-evaluation-of-physians-patients-relatives-and-society-of-opinions-on-the-told-lung-cancer-diagnosis
#7
Utku Datlı, Pınar Çelik, Yavuz Havlucu, Tuğba Göktalay, Ayşın Şakar Coşkun, Ayşe Arzu Yorgancıoğlu
Introduction: In our country, this is usually done by patient relatives. In this study, we aimed to investigate the thought of doctors who done the diagnosis, doctors who arrange the treatment, first degree relatives of patients with lung cancer, and population as a control. Materials and Methods: 310 subjects (100 doctors, 110 first degree realtives of patients, and 100 subjects as a control) were included to the study. The mean age was 39.77 ± 11.44 years and there was 170 females...
March 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28608966/next-generation-sequencing-and-clinical-outcomes-of-patients-with-lung-adenocarcinoma-treated-with-stereotactic-body-radiotherapy
#8
Richard J Cassidy, Xinyan Zhang, Pretesh R Patel, Joseph W Shelton, Chase E Escott, Gabriel L Sica, Michael R Rossi, Charles E Hill, Conor E Steuer, Rathi N Pillai, Suresh S Ramalingam, Taofeek K Owonikoko, Madhusmita Behera, Seth D Force, Felix G Fernandez, Walter J Curran, Kristin A Higgins
BACKGROUND: Genetic aberrations are well characterized in lung adenocarcinomas (LACs) and clinical outcomes have been influenced by targeted therapies in the advanced setting. Stereotactic body radiotherapy (SBRT) is the standard-of-care therapy for patients with nonoperable, early-stage LAC, but to the authors' knowledge, no information is available regarding the impact of genomic changes in these patients. The current study sought to determine the frequency and clinical impact of genetic aberrations in this population...
June 13, 2017: Cancer
https://www.readbyqxmd.com/read/28604655/brain-derived-neurotrophic-factor-tropomyosin-related-kinase-b-signaling-pathway-contributes-to-the-aggressive-behavior-of-lung-squamous-cell-carcinoma
#9
Keigo Ozono, Yoshihiro Ohishi, Hideya Onishi, Katsuya Nakamura, Junichi Motoshita, Masato Kato, Ryoichi Nakanishi, Masafumi Nakamura, Yoshinao Oda
The tropomyosin-related kinase (Trk) family consists of TrkA, TrkB, and TrkC, which play essential roles in tumor progression and/or suppression in various cancers. Little is known about the biological significance of the Trk family in human lung squamous cell carcinoma (SCC). Here we investigated the clinical significance of the protein expression of Trk family members in samples from 99 SCC patients, and we explored the relationship between invasion/proliferation activities and Trk expression using lung SCC cell lines to clarify the biological significance of the Trk family in lung SCC...
June 12, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28601662/inhibition-of-mir-32-activity-promoted-emt-induced-by-pm2-5-exposure-through-the-modulation-of-the-smad1-mediated-signaling-pathways-in-lung-cancer-cells
#10
Dan Yang, Mingyue Ma, Weiqiang Zhou, Biao Yang, Chunling Xiao
Epithelial mesenchymal transition (EMT) is a crucial morphological event during tumor progression. The present study reported that EMT could be triggered by airborne fine particulate matter (PM) with a mean diameter of less than 2.5 μm (PM2.5) in human lung cancer cells. We also aimed to elucidate the possible mechanisms of these processes. The results showed that treatment with PM2.5 promoted the activity of the SMAD family member 1 (Smad1)-mediated signaling pathway and downregulated the expression of the inhibitory Smad proteins Smad6 and Smad7 in lung cancer cells...
May 30, 2017: Chemosphere
https://www.readbyqxmd.com/read/28598227/integration-of-a-palliative-care-intervention-into-community-practice-for-lung-cancer-a-study-protocol-and-lessons-learned-with-implementation
#11
Huong Q Nguyen, Thomas Cuyegkeng, Tieu O Phung, Karisa Jahn, Tami Borneman, Mayra Macias, Nora Ruel, Betty Ferrell
BACKGROUND: A notable gap in the evidence base for outpatient palliative care (PC) for cancer is that most trials were conducted in specialized oncology or academic centers with limited translation and further evaluation in "real-world" settings. Health systems are desperate for guidance regarding the most effective and sustainable PC service models. OBJECTIVE: Describe the study protocol to evaluate the dissemination of a previously tested nurse-led PC intervention (PCI) for patients with lung cancer and their family caregiver in community-based settings, lessons learned in adapting and implementing the PCI, and implications for future dissemination-translational efforts Design: Two-group, prospective sequential, quasi-experimental design with Phase 1 (Usual care) followed by Phase 2 (Intervention) setting/subjects...
June 9, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28597653/overexpression-of-atp-binding-cassette-subfamily-g-member-2-confers-resistance-to-phosphatidylinositol-3-kinase-inhibitor-pf-4989216-in-cancer-cells
#12
Chung-Pu Wu, Megumi Murakami, Sung-Han Hsiao, An-Wei Chou, Yan-Qing Li, Yang-Hui Huang, Tai-Ho Hung, Suresh V Ambudkar
Deregulated activation of phosphoinositide 3-kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) pathway is frequently found in human cancers, which plays a key role in promoting cancer proliferation and resistance to anticancer therapies. Therefore, developing inhibitors targeting key components of the PI3K/Akt/mTOR signaling pathway has great clinical significance. PF-4989216 is a novel, orally available small-molecule drug that was developed to selectively inhibit the PI3K/Akt/mTOR signaling pathway and subsequent cancer cell proliferation...
June 20, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28591746/short-stature-homeobox-2-methylation-as-a-potential-noninvasive-biomarker-in-bronchial-aspirates-for-lung-cancer-diagnosis
#13
Shumin Ni, Meng Ye, Tao Huang
Gene methylation has been frequently observed in lung cancer. However, the use of methylated genes in bronchial aspirates of patients with lung cancer remains to be evaluated. The purpose of this study was to analyze whether the detection of genes with aberrant promoter methylation can be useful noninvasive biomarkers in bronchial aspirates from lung cancer. We found that the methylation status of the cyclin-dependent kinase inhibitor 2A (P16), Ras association domain family 1 isoform (RASSF1A), adenomatous polyposis coli (APC) and short stature homeobox 2 (SHOX2) genes was significantly correlated with lung cancer in bronchial aspirates...
May 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28590931/multiple-receptor-tyrosine-kinase-activation-related-to-alk-inhibitor-resistance-in-lung-cancer-cells-with-alk-rearrangement
#14
Se Hoon Choi, Dong Ha Kim, Yun Jung Choi, Seon Ye Kim, Jung-Eun Lee, Ki Jung Sung, Woo Sung Kim, Chang-Min Choi, Jin Kyung Rho, Jae Cheol Lee
The activation of alternative receptor tyrosine kinases (RTKs) is known to mediate resistance to ALK inhibitors. However, the role of multiple RTK activation in resistance has yet to be determined. Two crizotinib-resistant (H3122/CR-1 and H3122/CR-2) and one TAE684-resistant (H2228/TR) cell lines were established. Multi-RTK arrays and Western blots were performed to detect the activation of bypass signals. There were no secondary mutations in the sequencing. EGFR and MET were activated in H3122/CR-1 cells whereas EGFR and IGF1R were activated in H3122/CR-2 cells...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28588672/abcg1-as-a-potential-oncogene-in-lung-cancer
#15
Chunyan Tian, Di Huang, Yanli Yu, Jihong Zhang, Qingxin Fang, Chao Xie
ATP-binding cassette transporter G1 (ABCG1) is a member of the ABC transporter family and regulates cellular cholesterol homeostasis. It has important roles in cholesterol homeostasis and tumor immunity, which has, however, not been reported in lung cancer. The present study showed that ABCG1 protein is upregulated in lung cancer compared with adjacent normal tissues and furthermore, aberrant ABCG1 expression was detected in lung cancer cell lines. ABCG1 was shown to promote the proliferation of HKULC4 lung cancer cells...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28586036/epigenetically-silenced-ptpro-functions-as-a-prognostic-marker-and-tumor-suppressor-in-human-lung-squamous-cell-carcinoma
#16
Fei Ming, Qianqiang Sun
Protein tyrosine phosphatase receptor‑type O (PTPRO), a member of the PTP family, has been frequently reported as potential tumor suppressor in many types of cancer. However, the exact function of PTPRO in lung squamous cell carcinoma (LSCC) remains unclear. Bisulfite sequencing and methylation specific polymerase chain reaction (PCR) were used to identify the methylation status of PTPRO in LSCC cells, and quantitative methylation specific PCR was used to evaluate the methylation levels of PTPRO in LSCC patients...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28584492/prevalence-of-exposure-to-secondhand-smoke-among-higher-secondary-school-students-in-ernakulam-district-kerala-southern-india
#17
P S Rakesh, Jishnu Satheesh Lalu, K Leelamoni
INTRODUCTION: The association between secondhand smoke and health outcomes, such as frequent respiratory infections, ischemic heart disease, lung cancer, asthma, and stroke, has long been established. The study aimed to estimate the prevalence of secondhand smoking exposure among higher secondary school students in Ernakulam district, Kerala, Southern India. MATERIALS AND METHODS: A structured questionnaire was administered to all students from four randomly selected higher secondary schools in Ernakulam district...
January 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28583174/follistatin-is-a-metastasis-suppressor-in-a-mouse-model-of-her2-positive-breast-cancer
#18
Darcie D Seachrist, Steven T Sizemore, Emhonta Johnson, Fadi W Abdul-Karim, Kristen L Weber Bonk, Ruth A Keri
BACKGROUND: Follistatin (FST) is an intrinsic inhibitor of activin, a member of the transforming growth factor-β superfamily of ligands. The prognostic value of FST and its family members, the follistatin-like (FSTL) proteins, have been studied in various cancers. However, these studies, as well as limited functional analyses of the FSTL proteins, have yielded conflicting results on the role of these proteins in disease progression. Furthermore, very few have been focused on FST itself...
June 5, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28580352/recent-spatiotemporal-patterns-of-us-lung-cancer-by-histologic-type
#19
Denise Riedel Lewis, Linda W Pickle, Li Zhu
BACKGROUND: After a period of increasing rates, lung cancer incidence is declining in the US for men and women. We investigated lung cancer rate patterns by gender, geographic location, and histologic subtype, and for total lung cancer (TLC), for the entire study period, and for 2000-2011 from 17 surveillance, epidemiology, and end results areas. METHODS: For each gender-histologic type combination, time trend plots and maps of age-adjusted rates are presented. Time trend significance was tested by joinpoint regression analysis...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28580303/the-role-of-bromodomain-testis-specific-factor-brdt-in-cancer-a-biomarker-and-a-possible-therapeutic-target
#20
REVIEW
Ekaterina Bourova-Flin, Florent Chuffart, Sophie Rousseaux, Saadi Khochbin
Cancer cells have recently been shown to activate hundreds of normally silent tissue-restricted genes, including a specific subset associated with cancer progression and poor prognosis. Within these genes, a class of testis-specific genes designed as cancer/testis, attracted special attention because of their oncogenic roles as well as their potential use in immunotherapy. Here we focus on one of these genes encoding the testis-specific member of the bromodomain and extra-terminal (BET) family, known as BRDT...
2017: Cell Journal
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