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https://www.readbyqxmd.com/read/29150954/physiological-role-of-urothelial-cancer-associated-1-long-noncoding-rna-in-human-skeletogenic-cell-differentiation
#1
Takanori Ishikawa, Takashi Nishida, Mitsuaki Ono, Takeshi Takarada, Nguyen Ha, Shinnosuke Kurihara, Takayuki Furumatsu, Yurika Murase, Masaharu Takigawa, Toshitaka Oohashi, Hiroshi Kamioka, Satoshi Kubota
A vast number of long-noncoding RNAs (lncRNA) are found expressed in human cells, which RNAs have been developed along with human evolution. However, the physiological functions of these lncRNAs remain mostly unknown. In the present study, we for the first time uncovered the fact that one of such lncRNAs plays a significant role in the differentiation of chondrocytes and, possibly, of osteoblasts differentiated from mesenchymal stem cells, which cells eventually construct the human skeleton. The urothelial cancer-associated 1 (UCA1) lncRNA is known to be associated with several human malignancies...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29147648/molecular-crosstalking-among-noncoding-rnas-a-new-network-layer-of-genome-regulation-in-cancer
#2
REVIEW
Marco Ragusa, Cristina Barbagallo, Duilia Brex, Angela Caponnetto, Matilde Cirnigliaro, Rosalia Battaglia, Davide Barbagallo, Cinzia Di Pietro, Michele Purrello
Over the past few years, noncoding RNAs (ncRNAs) have been extensively studied because of the significant biological roles that they play in regulation of cellular mechanisms. ncRNAs are associated to higher eukaryotes complexity; accordingly, their dysfunction results in pathological phenotypes, including cancer. To date, most research efforts have been mainly focused on how ncRNAs could modulate the expression of protein-coding genes in pathological phenotypes. However, recent evidence has shown the existence of an unexpected interplay among ncRNAs that strongly influences cancer development and progression...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/29145164/long-noncoding-rna-hnf1a-as1-indicates-a-poor-prognosis-of-colorectal-cancer-and-promotes-carcinogenesis-via-activation-of-the-wnt-%C3%AE-catenin-signaling-pathway
#3
Xin Zhang, Yumin Xiong, Fengying Tang, Ying Bian, Yanhui Chen, Fengli Zhang
Long non-coding RNAs (lncRNAs) have been identified to play critical roles in tumorigenesis. LncRNA HNF1A-AS1 has been suggested to act as an oncogene and serves as a novel prognostic biomarker for various cancer. However, the biological role and clinical significance of lncRNA HNF1A-AS1 in colorectal cancer (CRC) have yet to be fully elusive. Therefore, the present study was designed to determine the expression of lncRNA HNF1A-AS1 in patients with CRC, the role of lncRNA HNF1A-AS1 in CRC cells, as well as the underlying regulatory mechanisms...
October 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29144570/lncapc-drives-wnt-%C3%AE-catenin-activation-and-liver-tic-self-renewal-through-ezh2-mediated-apc-transcriptional-inhibition
#4
Xiaomin Fu, Jizhen Lin, Fujun Qin, Zihe Yang, Yuechao Ding, Yong Zhang, Lu Han, Xiaoyan Zhu, Qinxian Zhang
Liver tumor initiating cells (TICs), a small subset cells in tumor bulk, are responsible for liver tumor initiation, metastasis and relapse. However, the regulatory mechanism of liver TICs remains largely unknown. Here we found a long noncoding RNA lncAPC, locating near from APC locus, was highly expressed in liver cancer and liver TICs. LncAPC was required for liver TIC self-renewal. Silencing and overexpressing lncAPC showed impaired and enhanced sphere formation capacity of liver TICs, respectively. By recruiting EZH2 to APC promoter, LncAPC inhibits APC transcription and thus drives the activation of Wnt/β-catenin signaling...
November 16, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29138845/long-noncoding-rna-lnc%C3%A2-egfr-promotes-cell-proliferation-and-inhibits-cell-apoptosis-via-regulating-the-expression-of-egfr-in-human-tongue-cancer
#5
Tingting Sun, Lin Tang, Miaomiao Zhang
Tongue cancer remains a difficult disease to overcome. Long noncoding RNAs (LncRNAs) have been shown to serve significant roles in the diagnosis and treatment of tongue cancer. Herein, the present study aimed to investigate the role of a newly‑discovered Lnc, Lnc‑EGFR in tongue cancer. The results showed that the transcript level of Lnc‑EGFR was upregulated in patients with tongue cancer and in cultured tongue cancer cell lines. Consistently, expression of EGFR was also elevated selectively in cancerous tissues and malignant cell lines...
November 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29137688/the-long-noncoding-rna-hotair-promotes-colorectal-cancer-progression-by-sponging-mir-197
#6
Xinyang Lu, Zhiqiang Liu, Xiaofei Ning, Lunhua Huang, Biao Jiang
The long non-coding RNA HOX transcript antisense RNA (HOTAIR) has been found overexpressed in many human malignancies and involved in tumor progression and metastasis. Although the downstream target through which HOTAIR modulates tumor metastasis is not well-known, evidence suggests that microRNA-197 (miR-197) might be involved in this event. In the present study, the significance of HOTAIR and miR-197 in the progression of colorectal cancer were detected in vitro and in vivo. We found that HOTAIR expression was significantly increased in colorectal cancer cells and tissues...
November 14, 2017: Oncology Research
https://www.readbyqxmd.com/read/29137442/prognostic-value-of-long-noncoding-rna-zfas1-in-various-carcinomas-a-meta-analysis
#7
Dan Dong, Zhongyi Mu, Wei Wang, Na Xin, Xiaowen Song, Yue Shao, Chenghai Zhao
A number of studies have revealed that zinc finger antisense 1 (ZFAS1), a long noncoding RNA (lncRNA), is aberrantly regulated in various cancers, and high ZFAS1 expression is associated with poor prognosis and increased risk of lymph node metastasis (LNM). This meta-analysis was conducted to identify the potential value of ZFAS1 as a biomarker for cancer prognosis. We searched electronic database PubMed, Web of Science, and China Wanfang Data (up to June 1, 2017) to collect all relevant studies and explore the association of ZFAS1 expression with overall survival (OS) and LNM...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137332/long-noncoding-rna-xist-is-a-prognostic-factor-in-colorectal-cancer-and-inhibits-5-fluorouracil-induced-cell-cytotoxicity-through-promoting-thymidylate-synthase-expression
#8
Yang Xiao, Usenko Alexander Yurievich, Smorzhevskyi Valentyn Yosypovych
A major reason for the failure of advanced colorectal cancer (CRC) treatment is the occurrence of chemoresistance to 5-fluorouracil (5FU)-based treatment. Recent studies have shown that long non-coding RNAs (lncRNAs) are critical regulators in chemoresistance. By using the next generation HiSeq sequencing assay, we identified lncRNAs showing differential expression levels in 5FU resistant and non-resistant CRC patients. RT-qPCR was then performed for validation in tissues and serum samples, and lncRNA XIST was verified to be up-regulated in non-responding patients and have considerable diagnostic potential to identify responding patients from non-responding patients...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136952/identification-and-validation-of-cetuximab-resistance-associated-long-noncoding-rna-biomarkers-in-metastatic-colorectal-cancer
#9
Ke Peng, Ruiqi Liu, Yiyi Yu, Li Liang, Shan Yu, Xiaojing Xu, Tianshu Liu
BACKGROUND: Cetuximab is one of the most widely used epidermal growth factor receptor (EGFR) inhibitors to treat patients with metastatic colorectal cancer (mCRC) harboring wild-type of RAS/RAF status. However, primary and acquired resistance to cetuximab is often found during target therapy. METHODS: To gain insights into the functions of long non-coding RNA (lncRNA) in cetuximab resistance, we used a lncRNA-mining approach to distinguish lncRNA specific probes in Affymetrix HG-U133A 2...
November 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29131257/long-noncoding-rna-casc2-inhibits-metastasis-and-epithelial-to-mesenchymal-transition-of-lung-adenocarcinoma-via-suppressing-sox4
#10
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/29130960/piwi-proteins-and-piwi-interacting-rna-emerging-roles-in-cancer
#11
Yi-Neng Han, Yuan Li, Sheng-Qiang Xia, Yuan-Yuan Zhang, Jun-Hua Zheng, Wei Li
P-Element induced wimpy testis (PIWI)-interacting RNAs (piRNAs) are a type of noncoding RNAs (ncRNAs) and interact with PIWI proteins. piRNAs were primarily described in the germline, but emerging evidence revealed that piRNAs are expressed in a tissue-specific manner among multiple human somatic tissue types as well and play important roles in transposon silencing, epigenetic regulation, gene and protein regulation, genome rearrangement, spermatogenesis and germ stem-cell maintenance. PIWI proteins were first discovered in Drosophila and they play roles in spermatogenesis, germline stem-cell maintenance, self-renewal, retrotransposons silencing and the male germline mobility control...
November 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29130936/jak2-binding-long-noncoding-rna-promotes-breast-cancer-brain-metastasis
#12
Shouyu Wang, Ke Liang, Qingsong Hu, Ping Li, Jian Song, Yuedong Yang, Jun Yao, Lingegowda Selanere Mangala, Chunlai Li, Wenhao Yang, Peter K Park, David H Hawke, Jianwei Zhou, Yan Zhou, Weiya Xia, Mien-Chie Hung, Jeffrey R Marks, Gary E Gallick, Gabriel Lopez-Berestein, Elsa R Flores, Anil K Sood, Suyun Huang, Dihua Yu, Liuqing Yang, Chunru Lin
Conventional therapies for breast cancer brain metastases (BCBMs) have been largely ineffective because of chemoresistance and impermeability of the blood-brain barrier. A comprehensive understanding of the underlying mechanism that allows breast cancer cells to infiltrate the brain is necessary to circumvent treatment resistance of BCBMs. Here, we determined that expression of a long noncoding RNA (lncRNA) that we have named lncRNA associated with BCBM (Lnc-BM) is prognostic of the progression of brain metastasis in breast cancer patients...
November 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29130157/target-discovery-for-precision-medicine-using-high-throughput-genome-engineering
#13
Xinyi Guo, Poonam Chitale, Neville E Sanjana
Over the past few years, programmable RNA-guided nucleases such as the CRISPR/Cas9 system have ushered in a new era of precision genome editing in diverse model systems and in human cells. Functional screens using large libraries of RNA guides can interrogate a large hypothesis space to pinpoint particular genes and genetic elements involved in fundamental biological processes and disease-relevant phenotypes. Here, we review recent high-throughput CRISPR screens (e.g. loss-of-function, gain-of-function, and targeting noncoding elements) and highlight their potential for uncovering novel therapeutic targets, such as those involved in cancer resistance to small molecular drugs and immunotherapies, tumor evolution, infectious disease, inborn genetic disorders, and other therapeutic challenges...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29127420/genome-wide-analyses-of-long-noncoding-rna-expression-profiles-in-lung-adenocarcinoma
#14
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/29126868/up-regulated-mir-548k-promotes-esophageal-squamous-cell-carcinoma-progression-via-targeting-long-noncoding-rna-let
#15
Zhiyao Chen, Jianqing Lin, Shuhua Wu, Chunhao Xu, Feng Chen, Zhijun Huang
Dysregulated noncoding RNAs have been observed in diverse cancers. MIR458K is frequently amplified in esophageal squamous cell carcinoma (ESCC). However, the expression, clinical significances, and action mechanisms of miR-548k in ESCC are still unclear. In this study, we found that miR-548k is significantly up-regulated in ESCC tissues and cell lines. Up-regulated miR-548k expression is significantly correlated with advanced invasion depth, lymph node metastasis, advanced TNM stage, and poor overall survival...
November 7, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29123412/lncrna-meg3-enhances-cisplatin-sensitivity-in-non-small-cell-lung-cancer-by-regulating-mir-21-5p-sox7-axis
#16
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
https://www.readbyqxmd.com/read/29123410/long-noncoding-rna-and-mrna-profiling-in-mda-mb-231-cells-following-rnai-mediated-knockdown-of-sirt7
#17
Kun-Lin Chen, Lian Li, Yi-Ru Wang, Cheng-Min Li, Tarig Mohammed Badri, Gen-Lin Wang
Breast cancer is one of the most common malignant cancers among women and a major clinical obstacle. Although studies have reported the abnormal expression of SIRT7 in breast cancer, whether the function of SIRT7 regulates the expression of long noncoding RNAs (lncRNAs) in breast cancer remains unknown. We aimed to determine the differential expressions of mRNAs and lncRNAs associated with SIRT7 and understand the regulatory mechanism of SIRT7 in breast cancer. RNA sequencing was performed to explore the transcriptome in MDA-MB-231 cells after SIRT7 depletion, and a total of 50,634 different transcripts were identified...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29121972/long-noncoding-rna-norad-a-novel-competing-endogenous-rna-enhances-the-hypoxia-induced-epithelial-mesenchymal-transition-to-promote-metastasis-in-pancreatic-cancer
#18
Hongzhe Li, Xinjing Wang, Chenlei Wen, Zhen Huo, Weishen Wang, Qian Zhan, Dongfeng Cheng, Hao Chen, Xiaxing Deng, Chenghong Peng, Baiyong Shen
BACKGROUND: Pancreatic cancer, one of the top two most fatal cancers, is characterized by a desmoplastic reaction that creates a dense microenvironment, promoting hypoxia and inducing the epithelial-to-mesenchymal transition (EMT) to facilitate invasion and metastasis. Recent evidence indicates that the long noncoding RNA NORAD may be a potential oncogenic gene and that this lncRNA is significantly upregulated during hypoxia. However, the overall biological role and clinical significance of NORAD remains largely unknown...
November 9, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/29121780/long-noncoding-rna-identification-in-lymphoma
#19
Gu Siyu, Zou Linqing, Kong Linling, Liu Hong, Song Guoqi, William C Cho
It has been found that long noncoding RNA (lncRNA) are abnormally expressed in lymphoma and play an important role in its pathogenesis. Through the detection and analysis of lncRNA, it was found that lncRNA could be used as an excellent biomarker for the diagnosis and prognosis of cancer. In lymphoma, abnormal lncRNA expression is associated with the patient's clinical characteristics, it can be used to determine the prognosis of the patient and serve as a therapeutic target in the disease.
November 10, 2017: Future Oncology
https://www.readbyqxmd.com/read/29119050/long-noncoding-rna-nbat1-negatively-modulates-growth-and-metastasis-of-osteosarcoma-cells-through-suppression-of-mir-21
#20
Cheng Yang, Guijiang Wang, Jian Yang, Liguo Wang
Osteosarcoma (OS) is the most common primary bone malignancies. Long noncoding RNAs (lncRNAs) are key regulatory RNAs which takes part in several biological processes. LncRNA neuroblastoma associated transcript 1 (NBAT1) is a newly identified functional lncRNA. NBAT1 functions as a tumor suppressor in some cancers. However, the expression pattern, the biological function and the mechanisms of NBAT1 in OS progress have not been elucidated. In this study, for the first time, we found that NBAT1 expression is downregulated in OS tissues and cell lines and is associated with clinical stage, distant metastasis and poor prognosis...
2017: American Journal of Cancer Research
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