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exosome cancer lncRNA

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https://www.readbyqxmd.com/read/29643475/tumor-derived-exosomal-lnc-sox2ot-promotes-emt-and-stemness-by-acting-as-a-cerna-in-pancreatic-ductal-adenocarcinoma
#1
Zhonghu Li, Peng Jiang, Jie Li, Minjie Peng, Xin Zhao, Xi Zhang, Kai Chen, Yujun Zhang, Hui Liu, Lang Gan, Huaqiang Bi, Ping Zhen, Jin Zhu, Xiaowu Li
Long noncoding RNAs (lncRNAs) or exosomes have recently been shown to play vital regulatory or communication roles in cancer biology. However, the roles and mechanisms of exosomal lncRNAs in tumor invasion or metastasis of pancreatic ductal adenocarcinoma (PDAC) remain unknown. In this study, we aimed to investigate the detailed roles and mechanisms of tumor-generated exosomes in progression and metastasis of PDAC in vitro and in vivo. We identified a lncRNA-Sox2ot from exosomes of highly invasive PDAC cells, and analyzed the expression of Sox2ot in the plasma samples and found that the plasma exosomal Sox2ot expression was high and correlated with TNM stage and overall survival rate of PDAC patients...
April 12, 2018: Oncogene
https://www.readbyqxmd.com/read/29614491/the-biological-effect-and-clinical-application-of-long-noncoding-rnas-in-colorectal-cancer
#2
Zhenqiang Sun, Jinbo Liu, Chen Chen, Quanbo Zhou, Shuaixi Yang, Guixian Wang, Junmin Song, Zhen Li, Zhiyong Zhang, Jizhong Xu, Xiantao Sun, Yuan Chang, Weitang Yuan
Colorectal cancer (CRC) is one of the most common malignancies in the world. Easier recurrence and metastasis is the main cause of mortality in CRC patients, and the markers applied for diagnosis and treatment of CRC is still urgently needed to early diagnose and evaluate therapeutic effect. Long noncoding RNA (lncRNA) is a class of noncoding RNA that the length is more than 200 nucleotides. With the development of sequencing technique about transcriptome, increasing lncRNAs are focused on their function and mechanism related to the nosogenesis and pathology of CRC...
March 26, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29603062/peripheral-blood-cell-interactions-of-cancer-derived-exosomes-affect-immune-function
#3
Heather R Ferguson Bennit, Amber Gonda, James R W McMullen, Janviere Kabagwira, Nathan R Wall
Cancer-derived exosomes are constitutively produced and secreted into the blood and biofluids of their host patients providing a liquid biopsy for early detection and diagnosis. Given their ubiquitous nature, cancer exosomes influence biological mechanisms that are beneficial to the tumor cells where they are produced and the microenvironment in which these tumors exist. Accumulating evidence suggests that exosomes transport proteins, lipids, DNA, mRNA, miRNA and long non coding RNA (lncRNA) for the purpose of cell-cell and cell-extracellular communication...
March 30, 2018: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/29558960/the-decade-of-exosomal-long-rna-species-an-emerging-cancer-antagonist
#4
REVIEW
Ruihao Zhou, Kaddie Kwok Chen, Jingtao Zhang, Bufan Xiao, Zhaohao Huang, Cheng Ju, Jun Sun, Feifei Zhang, Xiao-Bin Lv, Guofu Huang
Exosomes have emerged as a novel approach for the treatment and diagnosis of cancer after RNA content was discovered in exosomes in 2007. As important meditators of intercellular communication, exosomes have become a strong focus of investigation for researchers in the past decade, as witnessed through the exponential increase of research on exosomes. The capability of exosomes to transfer functionally active cargo highlights their importance as promising biomarkers and diagnostic molecules, as well as prospective drug delivery systems...
March 20, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29421439/lncrna-fal1-promotes-cell-proliferation-and-migration-by-acting-as-a-cerna-of-mir-1236-in-hepatocellular-carcinoma-cells
#5
Baoguo Li, Rui Mao, Changfu Liu, Weihao Zhang, Yong Tang, Zhi Guo
BACKGROUND: Long non-coding RNAs (LncRNAs) have been demonstrated to play crucial role in tumor growth and metastasis for hepatocellular carcinoma (HCC). LncRNA FAL1 has been indicated to promote the progression of various cancers. However, the role of lncRNA FAL1 in HCC was poorly understood. METHODS: The expression levels of lncRNA FAL1 in HCC tissues and cells were determined by RT-qPCR. The roles of lncRNA FAL1 on HCC cells were investigated by MTT, colony formation, transwell, RT-qPCR, and Western blotting...
March 15, 2018: Life Sciences
https://www.readbyqxmd.com/read/29410604/exosomal-lncrna-91h-is-associated-with-poor-development-in-colorectal-cancer-by-modifying-hnrnpk-expression
#6
Tianyi Gao, Xiangxiang Liu, Bangshun He, Zhenlin Nie, Chengbin Zhu, Pei Zhang, Shukui Wang
Background: Exosomes mediated transfer of lncRNA 91H may play a critical role in the development of CRC. However, few studies have proved the mechanism. So we performed this study to deeply explore the biological functions of exosomal 91H in the development and progression of CRC. Methods: The association between lncRNA 91H and exosomes was detected in vitro and vivo. Then RNA pulldown and RIP were used to detect how lncRNA 91H affect CRC IGF2 express. At last, clinic pathological significance of exosomal 91H was evaluated by Cox proportional hazards model...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/29400660/plasma-exosomes-as-novel-biomarker-for-the-early-diagnosis-of-gastric-cancer
#7
Jianjun Wang, Yuanyuan Liu, Wangwei Sun, Qinghui Zhang, Tao Gu, Guangxin Li
Exosomes are lipid bilayer vesicles of endocytic origin ranging from 30 to 100 nm in size, and contain various nucleic acid molecules such as DNA, mRNA, miRNA, lncRNA and multiple proteins, which could be transferred into target cells. Recent study indicated that exosomes as information carriers between cells has introduced us to a new previously unknown biological communication system. Increasing evidences show that exosomes play a crucial role in gastric cancer because they are potential to influence normal cellular physiology and promote various states of the cancer...
2018: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29346528/a-novel-stromal-lncrna-signature-reprograms-fibroblasts-to-promote-the-growth-of-oral-squamous-cell-carcinoma-via-lncrna-caf-interleukin-33
#8
Liang Ding, Jing Ren, Dongya Zhang, Yi Li, Xiaofeng Huang, Qingang Hu, Hui Wang, Yuxian Song, Yanhong Ni, Yayi Hou
Stromal carcinoma-related fibroblasts (CAFs) are the main type of non-immune cells in the tumor microenvironment (TME). CAFs interact with cancer cells to promote tumor proliferation. Long non-coding RNAs (lncRNAs) are known to regulate cell growth, apoptosis and metastasis of cancer cells, but their role in stromal cells is unclear. Using RNA sequencing, we identified a stromal lncRNA signature during the transformation of CAFs from normal fibroblasts (NFs) in oral squamous cell carcinoma (OSCC). We uncovered an uncharacterized lncRNA, FLJ22447, which was remarkably up-regulated in CAFs, referred to LncRNA-CAF (Lnc-CAF) hereafter...
March 8, 2018: Carcinogenesis
https://www.readbyqxmd.com/read/29290766/integrated-analysis-of-long-non-coding-rna-and-mrna-expression-profile-in-pancreatic-cancer-derived-exosomes-treated-dendritic-cells-by-microarray-analysis
#9
Jionghuang Chen, Shaowen Wang, Shengnan Jia, Guoping Ding, Guixing Jiang, Liping Cao
Background: Pancreatic cancer is a devastating disease with a low five-year survival rate. Dendritic cells (DCs), which are the most potent antigen-presenting cells in the human body, play a pivotal role in the immune response. However, few studies have investigated the role of pancreatic cancer-derived exosomes (PEXs) in DC-meditated immune escape. The expression profiles of long noncoding RNAs (lncRNAs) and mRNAs of PEX-treated dendritic cells are unknown. Methods: We used integrated lncRNA and mRNA microarrays to determine the expression profiles of PEX-treated DCs and normal DCs derived from five healthy donors...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29107112/the-emerging-role-of-exosome-derived-non-coding-rnas-in-cancer-biology
#10
Qing Fan, Liang Yang, Xiaodong Zhang, Xueqiang Peng, Shibo Wei, Dongming Su, Zhenhua Zhai, Xiangdong Hua, Hangyu Li
Exosomes are a new means of intercellular information exchange that have aroused great research interest. Long neglected in research, exosomes were deemed nonfunctional cellular components to be discarded. However, it has been gradually revealed that exosomes are an important tool for the exchange of intercellular information and material. Exosomes contain specific repertoires of non-coding RNAs (ncRNAs, including microRNA and lncRNA), indicating that a specific RNA sorting mechanism may exist. Correspondingly, intracellular multivesicular bodies (MVBs) are produced after fusion with the cell membrane to release exosomes rather than inducing autophagy, which reveals that there may be a specific regulatory mechanism for MVB secretion...
February 1, 2018: Cancer Letters
https://www.readbyqxmd.com/read/28841829/hypoxic-exosomes-facilitate-bladder-tumor-growth-and-development-through-transferring-long-non-coding-rna-uca1
#11
Mei Xue, Wei Chen, An Xiang, Ruiqi Wang, He Chen, Jingjing Pan, Huan Pang, Hongli An, Xiang Wang, Huilian Hou, Xu Li
BACKGROUND: To overcome the hostile hypoxic microenvironment of solid tumors, tumor cells secrete a large number of non-coding RNA-containing exosomes that facilitate tumor development and metastasis. However, the precise mechanisms of tumor cell-derived exosomes during hypoxia are unknown. Here, we aim to clarify whether hypoxia affects tumor growth and progression by transferring long non-coding RNA-urothelial cancer-associated 1 (lncRNA-UCA1) enriched exosomes secreted from bladder cancer cells...
August 25, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28623135/serum-long-non-coding-rna-malat-1-protected-by-exosomes-is-up-regulated-and-promotes-cell-proliferation-and-migration-in-non-small-cell-lung-cancer
#12
Rui Zhang, Yuhong Xia, Zhixin Wang, Jie Zheng, Yafei Chen, Xiaoli Li, Yu Wang, Huaikun Ming
Circulating lncRNAs have been defined as a novel biomarker for non-small cell lung cancer (NSCLC), MALAT-1 was first identified lncRNA that was related to lung cancer metastasis. However, the relationship between exosomal lncRNAs and the diagnosis and prognosis of NSCLC was poorly understood. The aim of this study is to evaluate the clinical significance of serum exosomal MALAT-1 as a biomarker in the metastasis of NSCLC. In this study, we firstly isolated the exosomes from healthy subjects and NSCLC patients...
August 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28592924/suppression-of-endothelial-cell-migration-by-tumor-associated-macrophage-derived-exosomes-is-reversed-by-epithelial-ovarian-cancer-exosomal-lncrna
#13
Quanfeng Wu, Xiaoli Wu, Xiang Ying, Qinyi Zhu, Xinjing Wang, Lu Jiang, Xin Chen, Yueqian Wu, Xipeng Wang
OBJECTIVE: To study the mechanism by which epithelial ovarian cancer (EOC)-derived exosomes restore the migration of endothelial cells that is suppressed by TAM-derived exosomes. METHODS: Exosomes were isolated from TAMs in the ascites of patients with EOC. The effect of exosomes on the expression of endothelial cell miRNA was monitored by PCR. The miRNA mimics were transfected to explore their effects. Microarray data and literature searches were used to predict target genes and the impact of target gene pathways, and small interfering RNA was used to target these genes...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28285404/exosomes-mediated-transfer-of-long-noncoding-rna-zfas1-promotes-gastric-cancer-progression
#14
Lei Pan, Wei Liang, Min Fu, Zhen-Hua Huang, Xia Li, Wen Zhang, Peng Zhang, Hui Qian, Peng-Cheng Jiang, Wen-Rong Xu, Xu Zhang
BACKGROUND: ZFAS1 is a newly identified long noncoding RNA (lncRNA) that promotes tumor growth and metastasis. Exosomes mediate cellular communications in cancer by transmitting active molecules. The presence of ZFAS1 in the circulating exosomes and the roles of exosomal ZFAS1 in gastric cancer (GC) remains unknown. The aim of this study was to investigate the potential roles of exosomal ZFAS1 in GC. METHODS: The expression of ZFAS1 was examined in the tumor tissues, serum samples, serum exosomes of GC patients and cell lines using qRT-PCR...
June 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27917920/transcriptome-and-long-noncoding-rna-sequencing-of-three-extracellular-vesicle-subtypes-released-from-the-human-colon-cancer-lim1863-cell-line
#15
Maoshan Chen, Rong Xu, Hong Ji, David W Greening, Alin Rai, Keiichi Izumikawa, Hideaki Ishikawa, Nobuhiro Takahashi, Richard J Simpson
Previously we reported that LIM1863 colorectal cancer (CRC) cells secrete three distinct extracellular vesicle subtypes - two subpopulations of exosomes (apical EpCAM-Exos and basolateral A33-Exos) and shed microvesicles (sMVs) - with distinct protein and miRNA signatures. Here, we extend our omics approach to understand the fundamental role of LIM1863-derived EVs by performing a comprehensive analysis of their mRNAs and long non-coding RNAs (lncRNAs) using RNA-Seq. We show that 2,389 mRNAs, 317 pseudogene transcripts, 1,028 lncRNAs and 206 short non-coding RNAs selectively distributed to (i...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27888803/exosomal-long-noncoding-rna-crnde-h-as-a-novel-serum-based-biomarker-for-diagnosis-and-prognosis-of-colorectal-cancer
#16
Tong Liu, Xin Zhang, Shanyu Gao, Fangmiao Jing, Yongmei Yang, Lutao Du, Guixi Zheng, Peilong Li, Chen Li, Chuanxin Wang
Cancer-secreted long non-coding RNAs (lncRNAs) are emerging mediators of cancer-host cross talk. The aim of our study was to illustrate the clinical significance of the lncRNA CRNDE-h in exosomes purified from the serum of patients with colorectal cancer (CRC). The study was divided into four parts: (1) The exosome isolated methods and lncRNA detected methods which accurately and reproducibly measure CRC-related exosomal CRNDE-h in serum were optimized in preliminary pilot stage; (2) The stability of exosomal CRNDE-h was evaluated systematically; (3) The origin of exosomal CRNDE-h was explorated in vitro and in vivo; (4) The diagnostic and prognostic value of exosomal CRNDE-h for CRC were validated in 468 patients...
December 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27831634/exosomes-mediated-transfer-of-lncrna-uca1-results-in-increased-tamoxifen-resistance-in-breast-cancer-cells
#17
C-G Xu, M-F Yang, Y-Q Ren, C-H Wu, L-Q Wang
OBJECTIVE: In this study, we firstly compared the loading of urothelial carcinoma-associated 1 (UCA1) in exosomes between tamoxifen sensitive and tamoxifen resistant breast cancer cells and further investigated the role of exosomal transfer of UCA1 in the development of tamoxifen resistance in estrogen receptor (ER) positive breast cancer cells. MATERIALS AND METHODS: Exosomes were isolated from the culture medium of tamoxifen sensitive MCF-7 cells and tamoxifen resistant LCC2 cells...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27197301/circulating-long-rnas-in-serum-extracellular-vesicles-their-characterization-and-potential-application-as-biomarkers-for-diagnosis-of-colorectal-cancer
#18
Lei Dong, Wanrun Lin, Peng Qi, Mi-Die Xu, Xiaoben Wu, Shujuan Ni, Dan Huang, Wei-Wei Weng, Cong Tan, Weiqi Sheng, Xiaoyan Zhou, Xiang Du
BACKGROUND: Long noncoding RNA (lncRNA) and mRNAs are long RNAs (≥200 nucleotides) compared with miRNAs. In blood, long RNAs may be protected by serum extracellular vesicles, such as apoptotic bodies (AB), microvesicles (MV), and exosomes (EXO). They are potential biomarkers for identifying cancer. METHODS: Sera from 76 preoperative colorectal cancer patients, 76 age- and sex-matched healthy subjects, and 20 colorectal adenoma patients without colorectal cancer were collected...
July 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27184657/exosomal-long-noncoding-rnas-are-differentially-expressed-in-the-cervicovaginal-lavage-samples-of-cervical-cancer-patients
#19
Jin Zhang, Shuang-Chun Liu, Xin-Hua Luo, Guo-Xian Tao, Ming Guan, Hong Yuan, Da-Kang Hu
BACKGROUND: As the second leading cause of cancer morbidity and death in women, cervical cancer remains an important public health problem worldwide. Novel biomarkers with high sensitivity and specificity for the early detection and diagnosis of cervical cancer are urgently needed. Increasing evidence shows that long noncoding RNAs (lncRNAs) are differentially expressed in cancer tissues and may serve as diagnostic markers. In multiple tumor types, exosomes harboring lncRNAs are actively released from tumor cells...
November 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27117758/exosome-transmitted-lncarsr-promotes-sunitinib-resistance-in-renal-cancer-by-acting-as-a-competing-endogenous-rna
#20
Le Qu, Jin Ding, Cheng Chen, Zhen-Jie Wu, Bing Liu, Yi Gao, Wei Chen, Feng Liu, Wen Sun, Xiao-Feng Li, Xue Wang, Yue Wang, Zhen-Yu Xu, Li Gao, Qing Yang, Bin Xu, Yao-Ming Li, Zi-Yu Fang, Zhi-Peng Xu, Yi Bao, Deng-Shuang Wu, Xiong Miao, Hai-Yang Sun, Ying-Hao Sun, Hong-Yang Wang, Lin-Hui Wang
Sunitinib resistance is a major challenge for advanced renal cell carcinoma (RCC). Understanding the underlying mechanisms and developing effective strategies against sunitinib resistance are highly desired in the clinic. Here we identified an lncRNA, named lncARSR (lncRNA Activated in RCC with Sunitinib Resistance), which correlated with clinically poor sunitinib response. lncARSR promoted sunitinib resistance via competitively binding miR-34/miR-449 to facilitate AXL and c-MET expression in RCC cells. Furthermore, bioactive lncARSR could be incorporated into exosomes and transmitted to sensitive cells, thus disseminating sunitinib resistance...
May 9, 2016: Cancer Cell
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