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liver cancer lncRNA

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https://www.readbyqxmd.com/read/29115524/high-expression-of-long-non%C3%A2-coding-hotair-correlated-with-hepatocarcinogenesis-and-metastasis
#1
Da-Ni Zhong, Yi-Huan Luo, Wei-Jia Mo, Xin Zhang, Zhong Tan, Na Zhao, Si-Min Pang, Gang Chen, Min-Hua Rong, Wei Tang
HOX transcript antisense RNA (HOTAIR), a newly discovered long noncoding RNA (lncRNA), has been reported to be a poor prognostic marker in many types of cancers. The current study attempted to investigate the biological roles and clinicopathlogical implications of HOTAIR in hepatocellular carcinoma (HCC), as well as understand the molecular mechanisms of HOTAIR in HCC progression. HOTAIR expression in 95 HCC patients with paired HCC tissues and adjacent non‑cancer tissues were investigated using quantitative reverse transcription‑polymerase chain reaction...
November 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29110261/the-significance-of-long-non-coding-rna-hulc-in-predicting-prognosis-and-metastasis-of-cancers-a-meta-analysis
#2
Yangyang Ding, Cheng Sun, Jingrong Li, Linhui Hu, Manman Li, Jun Liu, Lianfang Pu, Shudao Xiong
Long non-coding RNAs (lncRNAs) have been demonstrated that they not only play important roles in tumorgenicity but also associate with cancer prognosis. Recently, highly up-regulated in liver cancer (HULC) is abnormally expressed in liver cancer and other cancers, and participated in cancers progression; however, it is unclear whether its expression is associated with prognosis. Here, we performed a meta-analysis and systematic review to evaluate the prognostic value and metastasis of HULC in various cancer patients...
November 6, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29108251/clinical-significance-of-lncrna-atb-expression-in-human-hepatocellular-carcinoma
#3
Se Young Jang, Gyeonghwa Kim, Soo Young Park, Yu Rim Lee, Sang Hoon Kwon, Hyeong Seok Kim, Jun Sik Yoon, Jun Seob Lee, Young-Oh Kweon, Heon Tak Ha, Jae Min Chun, Young Seok Han, Won Kee Lee, Jun Young Chang, Jung Gil Park, Byungheon Lee, Won Young Tak, Keun Hur
Hepatocellular carcinoma (HCC) is a worldwide health problem and it is important to understand the mechanistic roles of the biomolecules involved in its pathogenesis. Long non-coding RNAs (lncRNAs) are frequently and aberrantly expressed in various human cancers and are known to play a role in cancer pathogenesis. The aim of this study was to analyze the expression of lncRNA-ATB in HCC and investigate the implications for prognoses. In total, 100 samples of HCC tissues and their corresponding, adjacent, non-cancerous liver tissues were collected...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29075788/long-non-coding-rna-casc15-is-upregulated-in-hepatocellular-carcinoma-and-facilitates-hepatocarcinogenesis
#4
Tianyu He, Lufei Zhang, Yang Kong, Yu Huang, Yuan Zhang, Dongkai Zhou, Xiaohu Zhou, Yingcai Yan, Linshi Zhang, Sinan Lu, Jiarong Zhou, Weilin Wang
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer, accounting for one-sixth of all malignant tumors, and the mortality rate of HCC ranks second among all cancer-related deaths. Increasing evidence has recently shown that long non-coding RNAs (lncRNAs) play an important role in cancer occurrence and progression, including HCC. Cancer susceptibility candidate 15 (CASC15), a lncRNA, has been reported to be involved in melanoma progression and phenotype switching. However, the function of CASC15 in human HCC is still unknown...
December 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29059299/a-cautionary-tale-of-sense-antisense-gene-pairs-independent-regulation-despite-inverse-correlation-of-expression
#5
Ashish Goyal, Evgenij Fiškin, Tony Gutschner, Maria Polycarpou-Schwarz, Matthias Groß, Julia Neugebauer, Minakshi Gandhi, Maiwen Caudron-Herger, Vladimir Benes, Sven Diederichs
Long non-coding RNAs (lncRNAs) have been proven to play important roles in diverse cellular processes including the DNA damage response. Nearly 40% of annotated lncRNAs are transcribed in antisense direction to other genes and have often been implicated in their regulation via transcript- or transcription-dependent mechanisms. However, it remains unclear whether inverse correlation of gene expression would generally point toward a regulatory interaction between the genes. Here, we profiled lncRNA and mRNA expression in lung and liver cancer cells after exposure to DNA damage...
October 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29050308/the-lncrna-hoxa11-as-functions-as-a-competing-endogenous-rna-to-regulate-padi2-expression-by-sponging-mir-125a-5p-in-liver-metastasis-of-colorectal-cancer
#6
Dong Chen, Qiang Sun, Lufei Zhang, Xiaohu Zhou, Xiaofei Cheng, Dongkai Zhou, Feng Ye, Jianjiang Lin, Weilin Wang
Several long non-coding RNAs (lncRNAs) play important roles in the regulation of liver metastasis in colorectal cancer (CRC) patients. We previously described the potential involvement of HOMEOBOX A11 (HOXA11) antisense RNA (HOXA11-AS), miR-125a-5p, and peptidyl arginine deiminase 2 (PADI2) in promoting liver metastasis in CRC patients. In the present study, we verified the significant upregulation of HOXA11-AS and PADI2, as well as the downregulation of miR-125a-5p, in CRC patients with liver metastasis. Overexpression and knockdown studies of HOXA11-AS or PADI2, as well as gain-/loss-of-function studies of miR-125a-5p, revealed a positive correlation between HOXA11-AS and PADI2 and a negative correlation with miR-125a-5p in the regulation of liver metastasis in CRC cell lines...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29026319/current-advances-of-long-non-coding-rna-highly-upregulated-in-liver-cancer-in-human-tumors
#7
REVIEW
Zhonghua Ma, Hesuyuan Huang, Yetao Xu, Xuezhi He, Jirong Wang, Bingqing Hui, Hao Ji, Jing Zhou, Keming Wang
Long non-coding RNAs (lncRNAs) are a group of non-coding RNAs (ncRNAs) >200 nucleotides in length that govern diverse biological processes. Recent evidence suggests that lncRNAs are involved in cancer cell proliferation, apoptosis, invasion, migration, and metastasis. Dysregulation of lncRNAs has been observed in various tumors, and lncRNAs act as oncogenes or tumor suppressors in these malignancies. It has been revealed that lncRNA highly upregulated in liver cancer (HULC) is tightly correlated with a number of cancers such as hepatocellular carcinoma, gastric cancer, colorectal cancer, osteosarcoma, and diffuse large B-cell lymphoma...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29022892/the-lncrna-hulc-functions-as-an-oncogene-by-targeting-atg7-and-itgb1-in-epithelial-ovarian-carcinoma
#8
Shuo Chen, Dan-Dan Wu, Xiu-Bo Sang, Li-Li Wang, Zhi-Hong Zong, Kai-Xuan Sun, Bo-Liang Liu, Yang Zhao
Highly upregulated in liver cancer (HULC) is a long noncoding RNA (lncRNA), which has recently been identified as a key regulator in the progression of hepatocellular carcinoma, gliomas and gastric cancer. However, its role in epithelial ovarian carcinoma (EOC) remains unknown. In this study, HULC expression was examined in EOC, borderline and benign ovarian tumors, and normal ovarian tissues by RT-PCR. Ovarian cancer cell phenotypes, as well as autophagy-associated proteins were examined after HULC overexpression or downregulation by plasmid or small interfering RNA (siRNA) transfection, respectively...
October 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28993733/lncrna-uc002mbe-2-interacting-with-hnrnpa2b1-mediates-akt-deactivation-and-p21-up-regulation-induced-by-trichostatin-in-liver-cancer-cells
#9
Ting Chen, Chengxin Gu, Cailin Xue, Tao Yang, Yun Zhong, Shiming Liu, Yuqiang Nie, Hui Yang
Long non-coding RNAs (lncRNAs) have been implicated in liver carcinogenesis. We previously showed that the induction of lncRNA-uc002mbe.2 is positively associated with the apoptotic effect of trichostatin A (TSA) in hepatocellular carcinoma (HCC) cells. The current study further analyzed the role of uc002mbe.2 in TSA-induced liver cancer cell death. The level of uc002mbe.2 was markedly increased by TSA in the cytoplasm of HCC cells. Knockdown of uc002mbe.2 prohibited TSA-induced G2/M cell cycle arrest, p21 induction, and apoptosis of Huh7 cells and reversed the TSA-mediated decrease in p-AKT...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28984197/circular-rna-expression-profiles-and-features-in-human-tissues-a-study-using-rna-seq-data
#10
Tianyi Xu, Jing Wu, Ping Han, Zhongming Zhao, Xiaofeng Song
BACKGROUND: Circular RNA (circRNA) is one type of noncoding RNA that forms a covalently closed continuous loop. Similar to long noncoding RNA (lncRNA), circRNA can act as microRNA (miRNA) 'sponges' to regulate gene expression, and its abnormal expression is related to diseases such as atherosclerosis, nervous system disorders and cancer. So far, there have been no systematic studies on circRNA abundance and expression profiles in human adult and fetal tissues. RESULTS: We explored circRNA expression profiles using RNA-seq data for six adult and fetal normal tissues (colon, heart, kidney, liver, lung, and stomach) and four gland normal tissues (adrenal gland, mammary gland, pancreas, and thyroid gland)...
October 3, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28947421/mesenchymal-stem-cells-promote-hepatocarcinogenesis-via-lncrna-muf-interaction-with-anxa2-and-mir-34a
#11
Xinlong Yan, Dongdong Zhang, Wei Wu, Shuheng Wu, Jingfeng Qian, Yajing Hao, Fang Yan, Pingping Zhu, Jiayi Wu, Guanling Huang, Yinghui Huang, Jianjun Luo, Xinhui Liu, Benyu Liu, Xiaomin Chen, Ying Du, Run-Sheng Chen, Zusen Fan
Accumulating evidence suggests that cancer-associated mesenchymal stem cells (MSC) contribute to the development and metastasis of hepatocellular carcinoma (HCC). Aberrant expression of long noncoding RNAs (lncRNA) has been associated with these processes but cellular mechanisms are obscure. In this study, we report that HCC-associated mesenchymal stem cells (HCC-MSC) promote epithelial-mesenchymal transition (EMT) and liver tumorigenesis. We identified a novel lncRNA that we termed lncRNA-MUF (MSC upregulated factor) that is highly expressed in HCC tissues and correlated with poor prognosis...
September 25, 2017: Cancer Research
https://www.readbyqxmd.com/read/28857495/identification-of-dysregulated-lncrnas-profiling-and-metastasis-associated-lncrnas-in-colorectal-cancer-by-genome-wide-analysis
#12
Yan Chen, Xiang Yu, Yongcan Xu, Hua Shen
The colorectal cancer (CRC) is one of the leading causes of cancer-related death worldwide, but the pathogenesis of CRC remains not well-known. Increasing studies have highlighted the critical roles of long noncoding RNAs (lncRNAs) in tumorigenesis and cancer cells metastasis, however, the expression pattern, biological roles of lncRNAs, and the mechanisms responsible for their function in CRC remain elusive. In this study, we performed a genome-wide comprehensive analysis of lncRNAs profiling and clinical relevance to identify novel lncRNAs for the further study in CRC...
October 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28856933/serum-long-noncoding-rna-urothelial-carcinoma-associated-1-a-novel-biomarker-for-diagnosis-and-prognosis-of-hepatocellular-carcinoma
#13
Zhi-Kun Zheng, Cui Pang, Yang Yang, Qiong Duan, Ju Zhang, Wen-Chao Liu
Objective Long noncoding RNAs (lncRNAs) offer great potential as cancer biomarkers. This study was performed to assess the applicability of serum lncRNA urothelial carcinoma-associated 1 (UCA1) as a diagnostic and/or prognostic biomarker for hepatocellular carcinoma (HCC). Methods We examined UCA1 expression in serum samples from 105 patients with HCC, 105 patients with benign liver disease (BLD), and 105 healthy volunteers using reverse-transcription polymerase chain reaction and analyzed the relationship between serum UCA1 and clinicopathological parameters of HCC as well as survival...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28810927/stat3-mediated-upregulation-of-lncrna-hoxd-as1-as-a-cerna-facilitates-liver-cancer-metastasis-by-regulating-sox4
#14
Hui Wang, Xisong Huo, Xin-Rong Yang, Jia He, Lijun Cheng, Na Wang, Xuan Deng, Haojie Jin, Ning Wang, Cun Wang, Fangyu Zhao, Jingyuan Fang, Ming Yao, Jia Fan, Wenxin Qin
BACKGROUND: Several of the thousands of human long noncoding RNAs (lncRNAs) have been functionally characterized, yet their potential involvement in hepatocellular carcinoma (HCC) remains poorly understood. METHODS: LncRNA-HOXD-AS1 was identified by microarray and validated by real-time PCR. The clinicopathological significance of HOXD-AS1 was analyzed by Kaplan-Meier method. Chromatin immunoprecipitation was conducted to examine the mechanism of HOXD-AS1 upregulation...
August 14, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28729955/identification-of-four-prognostic-lncrnas-for-survival-prediction-of-patients-with-hepatocellular-carcinoma
#15
Zhonghao Wang, Qian Wu, Shu Feng, Yanhua Zhao, Chuanmin Tao
BACKGROUND: As the fifth most common cancer worldwide, Hepatocellular carcinoma (HCC) is also the third most common cause of cancer-related death in China. Several lncRNAs have been demonstrated to be associated with occurrence and prognosis of HCC. However, identification of prognostic lncRNA signature for HCC with expression profiling data has not been conducted yet. METHODS: With the reuse of public available TCGA data, expression profiles of lncRNA for 371 patients with HCC were obtained and analyzed to find the independent prognostic lncRNA...
2017: PeerJ
https://www.readbyqxmd.com/read/28722813/knockdown-of-long-non-coding-rna-malat1-inhibits-growth-and-motility-of-human-hepatoma-cells-via-modulation-of-mir-195
#16
Dingli Liu, Yun Zhu, Jinke Pang, Xie Weng, Xiaorong Feng, Yabing Guo
The metastasis-associated lung adenocarcinoma transcription 1 (Malat1) is a long non-coding RNA (lncRNA), exerts oncogenic role in multiple cancers, including hepatocellular carcinoma (HCC). This study was aimed to investigate its posttranscriptional regulation in HCC cells. RT-PCR was performed to monitor the expression levels of Malat1 in normal liver and HCC cell lines. The expression of Malat1, microRNA (miR)-195 and epidermal growth factor receptor (EGFR) in HepG2 and MHCC97 cells was respectively or synchronously altered by transfection...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28713968/inhibition-of-proliferation-and-invasion-of-hepatocellular-carcinoma-cells-by-lncrna-aslnc02525-silencing-and-the-mechanism
#17
Zi Chen, Dongwen Xu, Tao Zhang
One of the most differentially expressed long non-coding RNAs (lncRNAs) that we identified by high throughput screening from liver cancer and para-carcinoma tissues, ASLNC02525, was highly expressed in the tissues and cell lines of liver cancer but not in adjacent tissues or normal hepatic cells. Knockdown of ASLNC02525 in hepatocellular carcinoma cells inhibited the proliferation and invasion. In the process, expression level of transcription factor twist1 (twist‑related protein 1) was reduced, but no change at transcription level was observed...
July 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28688193/knockdown-of-lncrna-hulc-inhibits-proliferation-migration-invasion-and-promotes-apoptosis-by-sponging-mir-122-in-osteosarcoma
#18
Daliang Kong, Yang Wang
Osteosarcoma is a rare malignant bone tumor with high degree of malignancy. HULC (highly upregulated in liver cancer), a long noncoding RNA (lncRNA) was involved in hepatocellular carcinoma development and progression, but its underlying mechanism in osteosarcoma is unknown. The aim of this study was to explore the functional role of HULC in osteosarcoma. The study was conducted in human osteosarcoma cell lines and the expression of HULC in the cell lines was detected by qRT-PCR. Furthermore, the effects of HULC on tumorigenicity of osteosarcoma cells were evaluated by in vitro assays...
July 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28651931/upregulated-long-non-coding-rna-loc90784-promotes-cell-proliferation-and-invasion-and-is-associated-with-poor-clinical-features-in-hcc
#19
Jian-Hua Xu, Wei-Hua Chang, Hang-Wei Fu, Wei-Qun Shu, Tao Yuan, Ping Chen
A growing amount of literature has indicated that long non-coding RNAs (lncRNAs) are important factors in hepatocellular carcinoma (HCC) progression. However, the significance of lncRNAs in the progression and prognosis of liver cancer is largely unknown. In the present study, upregulated lncRNA LOC90784 was identified through integrative analysis of GSE58043 and GSE55191. Furthermore, associations between LOC90784 expression and the clinicopathological characteristics of patients were analyzed with a validated cohort 1 and the Cancer Genome Atlas (TCGA) cohort 2...
August 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28634076/lncrna-hulc-promotes-the-growth-of-hepatocellular-carcinoma-cells-via-stabilizing-cox-2-protein
#20
Haojun Xiong, Bo Li, Jintao He, Yijun Zeng, Yan Zhang, Fengtian He
Highly upregulated in liver cancer (HULC), a lncRNA overexpressed in hepatocellular carcinoma (HCC), has been demonstrated to be involved in the carcinogenesis and progression of HCC. However, the mechanisms of HULC promoting the abnormal growth of HCC cells are still not well elucidated. In the present study, we for the first time demonstrated that HULC promoted the growth of HCC cells through elevating COX-2 protein. Moreover, the study of the corresponding mechanism by which HULC upregulated COX-2 showed that HULC enhanced the level of ubiquitin-specific peptidase 22 (USP22), which decreased ubiquitin-mediated degradation of COX-2 protein by removing the conjugated polyubiquitin chains from COX-2 and finally stabilized COX2 protein...
August 26, 2017: Biochemical and Biophysical Research Communications
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