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lung cancer biomarker rna

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https://www.readbyqxmd.com/read/28087642/stxbp4-drives-tumor-growth-and-is-associated-with-poor-prognosis-through-pdgf-receptor-signaling-in-lung-squamous-cell-carcinoma
#1
Yukihiro Otaka, Susumu Rokudai, Kyoichi Kaira, Michiru Fujieda, Ikuko Horikoshi, Reika Kawabata, Shinji Yoshiyama, Takehiko Yokobori, Yoichi Ohtaki, Kimihiro Shimizu, Tetsunari Oyama, Jun'ichi Tamura, Carol Prives, Masahiko Nishiyama
PURPOSE: Expression of the ΔN isoform of p63 (ΔNp63) is a diagnostic marker highly specific for lung squamous cell carcinoma (SCC). We previously found that Syntaxin Binding Protein 4 (STXBP4) regulates ΔNp63 ubiquitination, suggesting that STXBP4 may also be a SCC biomarker. To address this issue, we investigated the role of STXBP4 expression in SCC biology and the impact of STXBP4 expression on SCC prognosis. EXPERIMENTAL DESIGN: We carried out a clinicopathological analysis of STXBP4 expression in 87 lung SCC patients...
January 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28077810/increased-expression-of-long-non-coding-rna-bcar4-is-predictive-of-poor-prognosis-in-patients-with-non-small-cell-lung-cancer
#2
Jianhua Gong, Han Zhang, Li He, Lixin Wang, Jipeng Wang
Lung cancer is the most common human cancer, and the majority of lung cancer cases are categorized as non-small cell lung cancer (NSCLC). Long non-coding RNAs (lncRNAs) play key roles in the development and progression of human cancers. LncRNA breast cancer anti-estrogen resistance 4 (BCAR4) has been identified as an oncogenic lncRNA involved in the progression of breast cancer and osteosarcoma. However, the clinical significance of the lncRNA BCAR4 in NSCLC remains largely unclear. In the present study, real-time quantitative reverse transcriptase-polymerase chain reaction was used to examine the relative level of lncRNA BCAR4 in 68 cases of NSCLC tissues and their adjacent non-tumor tissues...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28066612/elevated-hotair-expression-associated-with-cisplatin-resistance-in-non-small-cell-lung-cancer-patients
#3
Ming-Yue Liu, Xi-Qing Li, Tian-Hui Gao, Yao Cui, Ning Ma, Yun Zhou, Guo-Jun Zhang
BACKGROUND: This study investigated the mechanism of drug resistance in non-small cell lung cancer (NSCLC) patients. We specifically studied whether long noncoding RNAs influence drug resistance in NSCLC to discover new therapeutic targets to increase the survival rate of drug-resistant NSCLC patients. METHODS: Tissue samples were collected from NSCLC patients, and total RNA was isolated for assessment of HOTAIR expression and drug resistance status. MTT assays, tumor sphere formation assays, and western blot were performed to cytologically determine the relationship between HOTAIR expression and cisplatin resistance, as well as to elucidate the potential molecular mechanism involved...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28038443/hnrnp-l-promotes-prostate-cancer-progression-by-enhancing-cell-cycling-and-inhibiting-apoptosis
#4
Xumin Zhou, Qi Li, Jincan He, Liren Zhong, Fangpeng Shu, Rongwei Xing, Daojun Lv, Bin Lei, Bo Wan, Yu Yang, Huayan Wu, Xiangming Mao, Yaguang Zou
Expression of the RNA-binding protein HnRNP-L was previously shown to associate with tumorigenesis in liver and lung cancer. In this study, we examined the role of HnRNP-L in prostate cancer (Pca). We found that HnRNP-L is overexpressed in prostate tissue samples from 160 PC patients compared with tissue samples from 32 donors with cancers other than Pca. Moreover, HnRNP-L positively correlated with aggressive tumor characteristics. HnRNP-L knockdown inhibited cell proliferation and promoted cell apoptosis of Pca cell lines in vitro, and suppressed tumor growth when the cells were subcutaneously implanted in an athymic mouse model...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/27936466/dpp4-cd26-overexpression-in-urothelial-carcinoma-confers-an-independent-prognostic-impact-and-correlates-with-intrinsic-biological-aggressiveness
#5
Peir-In Liang, Bi-Wen Yeh, Wei-Ming Li, Ti-Chun Chan, I-Wei Chang, Chun-Nung Huang, Ching-Chia Li, Hung-Lung Ke, Hsin-Chih Yeh, Wen-Jeng Wu, Chien-Feng Li
Urothelial carcinoma (UC) is common cancer worldwide. The molecular aberrations regarding tumor progression remain unclear. Pericellular proteolysis is crucial in tumorigenesis, but its significance is unexplored in UC. By data mining the datasets in Gene Expression Omnibus, specifically focus on the proteolysis pathway, and followed by a preliminary validation in a pilot batch of tumor samples, we identified that the upregulation of dipeptidyl peptidase 4 (DPP4) was most significantly associated with clinical aggressiveness of UCs...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27935865/bronchial-airway-gene-expression-signatures-in-mouse-lung-squamous-cell-carcinoma-and-their-modulation-by-cancer-chemopreventive-agents
#6
Donghai Xiong, Jing Pan, Qi Zhang, Eva Szabo, Mark Steven Miller, Ronald A Lubet, Ming You, Yian Wang
Due to exposure to environmental toxicants, a "field cancerization" effect occurs in the lung resulting in the development of a field of initiated but morphologically normal appearing cells in the damaged epithelium of bronchial airways with dysregulated gene expression patterns. Using a mouse model of lung squamous cell carcinoma (SCC), we performed transcriptome sequencing (RNA-Seq) to profile bronchial airway gene expression and found activation of the PI3K and Myc signaling networks in cytologically normal bronchial airway epithelial cells of mice with preneopastic lung SCC lesions, which was reversed by treatment with the PI3K Inhibitor XL-147 and pioglitazone, respectively...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27932761/-long-noncoding-rna-malat1-a-potential-novel-prognostic-biomarkers-in-cancers-based-on-meta-analysis
#7
Wei Song, Kai Wang, Runjin Zhang, Shubing Zou
To systematically review the potential value of long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) as a potential novel prognostic biomarker in cancers.
 Methods: Databases including Cochrane Library, Medline, Embase, PubMed databases were searched for all English studies, which explored the correlation between lncRNA MALAT1 expression and overall survival in tumors. The retrieval time was from inception to August 1, 2015. Two reviewers independently screened literature according to the inclusion and exclusion criteria, extracted data, and assessed methodological quality...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27911119/phase-ii-study-of-dasatinib-in-previously-treated-patients-with-advanced-non-small-cell-lung-cancer
#8
Michael J Kelley, Gautam Jha, Debra Shoemaker, James E Herndon, Lin Gu, William T Barry, Jeffrey Crawford, Neal Ready
The Src pathway in activated in about one-third of non-small cell lung cancer (NSCLC) tumors. Dasatinib has Src-inhibitor activity. We examined the activity of dasatinib in 37 patients with advanced, previously treated NSCLC. Among the 29 patients who underwent pre-treatment biopsy for RNA biomarker analysis, 25 were treated with dasatinib 70 mg twice daily. There were no responses. Five patients discontinued treatment due to toxicity. Three patients had minor biopsy-related pneumothoraces. Given the lack of responses, no biomarkers were analyzed...
December 2, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27906860/liquid-biopsy-for-early-detection-of-lung-cancer
#9
Paul Hofman
PURPOSE OF REVIEW: The possibility of complete recovery for a lung cancer patient depends on very early diagnosis, as it allows total surgical resection. Screening for this cancer in a high-risk population can be performed using a radiological approach, but this holds a certain number of limitations. Liquid biopsy could become an alternative and complementary screening approach to chest imaging for early diagnosis of lung cancer. RECENT FINDINGS: Several circulating biomarkers indicative of lung cancer can be investigated in blood, such as circulating tumor cells, circulating free nucleic acids (RNA and DNA) and proteins...
January 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/27904771/tumor-suppressive-function-of-long-noncoding-rna-malat1-in-glioma-cells-by-suppressing-mir-155-expression-and-activating-fbxw7-function
#10
Shuanzhu Cao, Yanzhou Wang, Jinquan Li, Mingliang Lv, Haitao Niu, Yong Tian
The human metastasis associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA associated with metastasis, and is a favorable prognostic factor for lung cancer. Recent studies have shown that MALAT1 plays an important role in many malignancies. However, little is known about the role of MALAT1 in glioma. In this study, we determined the expression of MALAT1 and explored its prognostic value in glioma. Further, we investigated the regulatory mechanism of MALAT1 in glioma progression. Our results showed that the expression of MALAT1 was significantly decreased in glioma specimens than in noncancerous brain tissues...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27903834/saliva-diagnostics-current-views-and-directions
#11
Karolina Elżbieta Kaczor-Urbanowicz, Carmen Martin Carreras-Presas, Katri Aro, Michael Tu, Franklin Garcia-Godoy, David Tw Wong
In this review, we provide an update on the current and future applications of saliva for diagnostic purposes. There are many advantages of using saliva as a biofluid. Its collection is fast, easy, inexpensive, and non-invasive. In addition, saliva, as a "mirror of the body," can reflect the physiological and pathological state of the body. Therefore, it serves as a diagnostic and monitoring tool in many fields of science such as medicine, dentistry, and pharmacotherapy. Introduced in 2008, the term "Salivaomics" aimed to highlight the rapid development of knowledge about various "omics" constituents of saliva, including: proteome, transcriptome, micro-RNA, metabolome, and microbiome...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27895785/expression-and-clinicopathological-significance-of-the-lncrna-hoxa11-as-in-colorectal-cancer
#12
Tong Li, Chengfei Xu, Bin Cai, Meng Zhang, Feng Gao, Jialiang Gan
HOXA11 antisense RNA (HOXA11-AS) is a long non-coding RNA (lncRNA) that is important in determining cancer progression. HOXA11-AS was recently identified as a novel biomarker in lung cancer progression. However, its role in colorectal cancer (CRC) remains poorly understood. The present study aimed to analyze lncRNA HOXA11-AS expression in CRC and investigate a possible association between HOXA11-AS and clinicopathological factors. HOXA11-AS expression was examined by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) in 84 CRC tissues and adjacent non-cancerous tissues, in addition to 3 CRC cell lines and 1 human normal colorectal cell line...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27873079/next-generation-predictive-biomarkers-for-immune-checkpoint-inhibition
#13
Yulian Khagi, Razelle Kurzrock, Sandip Pravin Patel
With the advent of targeted therapies, there has been a revolution in the treatment of cancer across multiple histologies. Immune checkpoint blockade has made it possible to take advantage of receptor-ligand interactions between immune and tumor cells in a wide spectrum of malignancies. Toxicity in healthy tissue, however, can limit our use of these agents. Immune checkpoint blockade has been approved in advanced melanoma, renal cell cancer, non-small cell lung cancer, relapsed refractory Hodgkin's lymphoma, and urothelial cancer...
November 21, 2016: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/27863387/aberrant-overexpression-of-adar1-promotes-gastric-cancer-progression-by-activating-mtor-p70s6k-signaling
#14
Ning Dou, Shijun Yu, Xiaojuan Ye, Dong Yang, Yandong Li, Yong Gao
ADAR1, one of adenosine deaminases acting on RNA, modulates RNA transcripts through converting adenosine (A) to inosine (I) by deamination. Emerging evidence has implicated that ADAR1 plays an important role in a few of human cancers, however, its expression and physiological significance in gastric cancer remain undefined. In the present study, we demonstrated that ADAR1 was frequently overexpressed in gastric cancer samples by quantitative real-time PCR analysis. In a gastric cancer tissue microarray, ADAR1 staining was closely correlated with tumor stage (P < 0...
November 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27827952/cell-free-rna-content-in-peripheral-blood-as-potential-biomarkers-for-detecting-circulating-tumor-cells-in-non-small-cell-lung-carcinoma
#15
Xin-Min Yu, Yi-Chen Wu, Xiang Liu, Xian-Cong Huang, Xiu-Xiu Hou, Jiu-Li Wang, Xiang-Liu Cheng, Wei-Min Mao, Zhi-Qiang Ling
Circulating tumor cells (CTCs) have been implicated in tumor progression and prognosis. Techniques detecting CTCs in the peripheral blood of patients with non-small cell lung carcinoma (NSCLC) may help to identify individuals likely to benefit from early systemic treatment. However, the detection of CTCs with a single marker is challenging, owing to low specificity and sensitivity and due to the heterogeneity and rareness of CTCs. Herein, the probability of cell-free RNA content in the peripheral blood as a potential biomarker for detecting CTCs in cancer patients was investigated...
November 5, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27826625/integrated-analysis-of-long-non-coding-rna%C3%A2-associated-cerna-network-reveals-potential-lncrna-biomarkers-in-human-lung-adenocarcinoma
#16
Jing Sui, Yun-Hui Li, Yan-Qiu Zhang, Cheng-Yun Li, Xian Shen, Wen-Zhuo Yao, Hui Peng, Wei-Wei Hong, Li-Hong Yin, Yue-Pu Pu, Ge-Yu Liang
Accumulating evidence has highlighted the important roles of long non-coding RNAs (lncRNAs) acting as competing endogenous RNAs (ceRNAs) in tumor biology. However, the roles of cancer specific lncRNAs in lncRNA-related ceRNA network of lung adenocarcinoma (LUAD) are still unclear. In the present study, the 465 RNA sequencing profiles in LUAD patients were obtained from the cancer genome atlas (TCGA) database, which provides large sample RNA sequencing data free of charge, and 41 cancer specific lncRNAs, 25 miRNAs and 1053 mRNAs (fold change >2, p<0...
November 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27821489/a-transcriptional-signature-identifies-lkb1-functional-status-as-a-novel-determinant-of-mek-sensitivity-in-lung-adenocarcinoma
#17
Jacob M Kaufman, Tadaaki Yamada, Kyungho Park, Cynthia D Timmers, Joseph M Amann, David P Carbone
LKB1 is a commonly mutated tumor suppressor in non-small cell lung cancer that exerts complex effects on signal transduction and transcriptional regulation. To better understand the downstream impact of loss of functional LKB1, we developed a transcriptional fingerprint assay representing this phenotype. This assay was predictive of LKB1 functional loss in cell lines and clinical specimens, even those without detected sequence alterations in the gene. In silico screening of drug sensitivity data identified putative LKB1-selective drug candidates, revealing novel associations not apparent from analysis of LKB1 mutations alone...
January 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/27814341/association-between-microrna-125a-rs12976445-c-t-polymorphism-and-18f-fluorodeoxyglucose-18fdg-uptake-clinical-and-metabolic-response-in-patients-with-non-small-cell-lung-cancer
#18
Zhina Zang, Wenhua Guan, Diansen Chen, Yan Han, Zhan Shi, Jinjin Zhou
BACKGROUND MicroRNA-125a (miR-125a) has been involved with many diseases, such as hepatocellular carcinoma and inflammation. In this study, we aimed to investigate the molecular mechanism, including the potential regulator and signaling pathways, of vascular endothelial growth factor (VEGF). MATERIAL AND METHODS We divided the participants into 3 groups by rs12976445 genotype and performed chi-square tests to evaluate the differences between CC and CT+TT groups for sex, age, grading, pT category, metastases, and fludeoxyglucose F18 injection (18FDG) metabolism...
November 4, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27809747/mir-221-222-as-new-players-in-tamoxifen-resistance
#19
Gholamreza Karimi, Nafise Alamolhida, Javad Behravan, Fateme Mosaffa
Breast cancer is the most frequent cancer in women. Despite advances in early detection and treatment, it has the second highest mortality rate after lung cancer. Around 85% of breast carcinomas are ER+; thus, antiestrogens like tamoxifen are beneficial. Although, tamoxifen is useful for many patients, plenty of patients respond poorly to initial therapy or recurrence occurs in about 30% of cases, because tamoxifen resistance happens. Drug resistance remains a major clinical obstacle to successful treatment of breast cancer and more than 90% of unsuccessful treatments are because of acquired resistance and MultiDrug Resistance (MDR) is a major contributor...
November 2, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27777857/long-noncoding-rna-malat1-can-serve-as-a-valuable-biomarker-for-prognosis-and-lymph-node-metastasis-in-various-cancers-a-meta-analysis
#20
Ping Shuai, Yu Zhou, Bo Gong, Zhilin Jiang, Chong Yang, Hongji Yang, Dingding Zhang, Shikai Zhu
BACKGROUND: Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a newly discovered long intergenic noncoding RNA (lincRNA), has been reported to be aberrantly expressed in various cancers, and may serve as a novel potential biomarker for cancer prognosis. This meta-analysis was conducted to investigate the effects of MALAT1 on cancer prognosis and lymph node metastasis. METHODS: A quantitative meta-analysis was performed using a systematic search of PubMed, Medline and Web of Science databases to identify eligible papers on prognostic value of MALAT1 in cancers...
2016: SpringerPlus
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