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https://www.readbyqxmd.com/read/29228655/lncrna-svugp2-suppresses-progression-of-hepatocellular-carcinoma
#1
Jiangfeng Hu, Chenlin Song, Bensong Duan, Xiaoyan Zhang, Dongliang Li, Liang Zhu, Hengjun Gao
Numerous studies indicate that long noncoding RNAs (lncRNAs) are dysregulated in hepatocellular carcinoma (HCC) and might serve as potential diagnostic biomarkers and therapeutic targets of HCC. Therefore, it is interesting to globally identify the lncRNAs altered in HCC. In our study, we used microarray to profile the levels of lncRNAs and mRNAs in three pairs of HCC and their adjacent noncancerous samples. We found lncRNA-SVUGP2, which is a splice variant of the UGP2 gene, was down-regulated in HCC samples and correlates with a better prognosis in patients with HCC...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29219178/the-long-noncoding-rna-neat1-contributes-to-hepatocellular-carcinoma-development-by-sponging-mir-485-and-enhancing-the-expression-of-the-stat3
#2
Xu-Nan Zhang, Chang-Cheng Wang, Jun Zhou
Accumulating evidence has supported the significance of lncRNAs in tumorigenesis. Recently, some studies indicate the oncogenic role of lncRNA Nuclear Enriched Abundant Transcript 1 (NEAT1) in hepatocellular carcinoma (HCC). In our present study, we focused on the biological mechanisms through which NEAT1 can regulate HCC development. We found that NEAT1 was greatly upregulated in human HCC cell lines including Huh7, Hep3B, HepG2, Bel-7404 and SK-Hep1 cells compared to the normal human liver cell line LO2. In addition, we observed that miR-485 was significantly downregulated in HCC cells...
December 8, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29215608/h19-lncrna-alters-methylation-and-expression-of-hnf4%C3%AE-in-the-liver-of-metformin-exposed-fetuses
#3
Jie Deng, Martin Mueller, Tingting Geng, Yuanyuan Shen, Ya Liu, Peng Hou, Ramanaiah Ramillapalli, Hugh S Taylor, Michael Paidas, Yingqun Huang
Metformin is the most widely used anti-diabetic medication worldwide. However, human and animal studies suggest that prenatal metformin exposure may increase the risk of metabolic disorders in adult offspring, yet the underpinning mechanism remains unclear. Here we report that metformin-exposed mouse fetuses exhibit elevated expression of the H19 long noncoding RNA, which induces hypomethylation and increased expression of hepatocyte nuclear factor 4α (HNF4α). As a transcription factor essential for morphological and functional differentiation of hepatocytes, HNF4α also has an indispensable role in the regulation of expression of gluconeogenic genes...
December 7, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29196750/a-novel-y-specific-long-non-coding-rna-associated-with-cellular-lipid-accumulation-in-hepg2-cells-and-atherosclerosis-related-genes
#4
Elsa Molina, Guat S Chew, Stephen A Myers, Elyse M Clarence, James M Eales, Maciej Tomaszewski, Fadi J Charchar
There is an increasing appreciation for the role of the human Y chromosome in phenotypic differences between the sexes in health and disease. Previous studies have shown that genetic variation within the Y chromosome is associated with cholesterol levels, which is an established risk factor for atherosclerosis, the underlying cause of coronary artery disease (CAD), a major cause of morbidity and mortality worldwide. However, the exact mechanism and potential genes implicated are still unidentified. To date, Y chromosome-linked long non-coding RNAs (lncRNAs) are poorly characterized and the potential link between these new regulatory RNA molecules and hepatic function in men has not been investigated...
December 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29189723/long-non-coding-rnas-in-metabolic-organs-and-energy-homeostasis
#5
REVIEW
Maude Giroud, Marcel Scheideler
Single cell organisms can surprisingly exceed the number of human protein-coding genes, which are thus not at the origin of the complexity of an organism. In contrast, the relative amount of non-protein-coding sequences increases consistently with organismal complexity. Moreover, the mammalian transcriptome predominantly comprises non-(protein)-coding RNAs (ncRNA), of which the long ncRNAs (lncRNAs) constitute the most abundant part. lncRNAs are highly species- and tissue-specific with very versatile modes of action in accordance with their binding to a large spectrum of molecules and their diverse localization...
November 30, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29187907/long-non-coding-rna-uiclm-promotes-colorectal-cancer-liver-metastasis-by-acting-as-a-cerna-for-microrna-215-to-regulate-zeb2-expression
#6
Dong-Liang Chen, Yun-Xin Lu, Jia-Xing Zhang, Xiao-Li Wei, Feng Wang, Zhao-Lei Zeng, Zhi-Zhong Pan, Yun-Fei Yuan, Feng-Hua Wang, Helene Pelicano, Paul J Chiao, Peng Huang, Dan Xie, Yu-Hong Li, Huai-Qiang Ju, Rui-Hua Xu
Long non-coding RNAs (lncRNAs) are involved in the pathology of various tumors, including colorectal cancer (CRC). However, the role of lncRNA in CRC liver metastasis remains unclear. Methods: a microarray was performed to identify the differentially expressed lncRNAs between CRC tissues with and without liver metastasis. Survival analysis was evaluated using the Kaplan-Meier method and assessed using the log-rank test. In vitro and in vivo assays were preformed to explore the biological effects of the differentially expressed lncRNA in CRC cells...
2017: Theranostics
https://www.readbyqxmd.com/read/29179477/long-noncoding-rna-nnt-as1-promotes-hepatocellular-carcinoma-progression-and-metastasis-through-mir-363-cdk6-axis
#7
Ye-Bin Lu, Qin Jiang, Man-Yi Yang, Ji-Xiang Zhou, Qi Zhang
Long non-coding RNAs (lncRNAs) have been tested to act as important regulator in liver cancer genesis and progression. LncRNA Nicotinamide Nucleotide Transhydrogenase-antisense RNA1 (NNT-AS1) has been reported to participate in the tumorigenesis. However, the exact molecular mechanism of NNT-AS1 in hepatocellular carcinoma (HCC) is still unknown. In present study, our team identified the up-regulated expression of NNT-AS1 in HCC tissue and cell lines compared with adjacent noncancerous tissue and normal cells...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29140550/lncrna-h19-interacts-with-polypyrimidine-tract-binding-protein-1-to-reprogram-hepatic-lipid-homeostasis
#8
Chune Liu, Zhihong Yang, Jianguo Wu, Li Zhang, Sangmin Lee, Dong-Ju Shin, Melanie Tran, Li Wang
H19 is an imprinted long non-coding RNA abundantly expressed in embryonic liver and repressed after birth. Here we show that H19 serves as a lipid sensor by synergizing with RNA-binding protein PTBP1 to modulate hepatic metabolic homeostasis. H19RNA interacts with PTBP1 to facilitate its association with SREBP1c mRNA and protein, leading to increased stability and nuclear transcriptional activity. H19 and PTBP1 are upregulated by fatty acids in hepatocytes and in diet-induced fatty liver, which further augments lipid accumulation...
November 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29115524/high-expression-of-long-non%C3%A2-coding-hotair-correlated-with-hepatocarcinogenesis-and-metastasis
#9
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
#10
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
#11
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/29104954/lncrna-ak054921-and-ak128652-are-potential-serum-biomarkers-and-predictors-of-patient-survival-with-alcoholic-cirrhosis
#12
Zhihong Yang, Ruth A Ross, Shi Zhao, Wanzhu Tu, Suthat Liangpunsakul, Li Wang
Background: Alcoholic liver disease (ALD) is one of the leading causes of chronic liver disease. Recent studies have demonstrated the roles of long noncoding RNAs (lncRNAs) in the pathogenesis of several disease processes. However, the roles of lncRNAs in patients with ALD remain unexplored. Methods: Global profiling for human lncRNAs from peripheral blood RNA was performed in a well characterized cohort of healthy controls (HC, n=4), excessive drinkers without liver diseases (ED, n=4), and those with alcoholic cirrhosis with different severities (AC, n=12)...
August 2017: Hepatology Communications
https://www.readbyqxmd.com/read/29091957/hepatitis-e-virus-hev-egress-role-of-bst2-tetherin-and-interferon-induced-long-non-coding-rna-lncrna-bispr
#13
Daizy Paliwal, Prashant Joshi, Subrat Kumar Panda
BACKGROUND: The biology of Hepatitis E Virus (HEV), a common cause of epidemic and sporadic hepatitis, is still being explored. HEV exits liver through bile, a process which is essential for its natural transmission by feco-oral route. Though the process of this polarised HEV egress is not known in detail, HEV pORF3 and hepatocyte actin cytoskeleton have been shown to play a role. METHODS: Our transcriptome analysis in Hepatitis E virus (HEV) replicon transfected Huh7 cells at 24 and 72 hrs indicated that at 24hrs, both LncBISPR and BST2, expressed by a bidirectional promoter were highly upregulated whereas at 72 hrs, BST2 expression was comparatively reduced accompanied by normal levels of BISPR...
2017: PloS One
https://www.readbyqxmd.com/read/29075788/long-non-coding-rna-casc15-is-upregulated-in-hepatocellular-carcinoma-and-facilitates-hepatocarcinogenesis
#14
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/29062612/lncrna-h19-is-involved-in-tgf-%C3%AE-1-induced-epithelial-to-mesenchymal-transition-in-bovine-epithelial-cells-through-pi3k-akt-signaling-pathway
#15
Wei Yang, Xuezhong Li, Shaopei Qi, Xueru Li, Kun Zhou, Suzhu Qing, Yong Zhang, Ming-Qing Gao
Increased levels of long noncoding RNA H19 (H19) have been observed in many inflammatory and organ fibrosis diseases including ulcerative colitis, osteoarthritis, liver fibrosis, renal fibrosis and pulmonary fibrosis. However, the role of H19 in bovine mastitis and mastitis-caused fibrosis is still unclear. In our study, H19 was characterized as a novel regulator of EMT induced by transforming growth factor-β1 (TGF-β1) in bovine mammary alveolar cell-T (MAC-T) cell line. We found that H19 was highly expressed in bovine mastitis tissues and inflammatory MAC-T cells induced by virulence factors of pathogens...
2017: PeerJ
https://www.readbyqxmd.com/read/29059299/a-cautionary-tale-of-sense-antisense-gene-pairs-independent-regulation-despite-inverse-correlation-of-expression
#16
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
#17
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/29042633/catsper1-promoter-is-bidirectional-and-regulates-the-expression-of-a-novel-lncrna
#18
Salma E Jiménez-Badillo, Norma Oviedo, Christian Hernández-Guzmán, Lorenza González-Mariscal, Javier Hernández-Sánchez
The Catsper1 gene, whose expression is restricted to male germ cells, has great importance in reproductive biology because of its function in sperm motility and fertilization. We previously reported that the promoter of this gene has transcriptional activity in either direction in a heterologous system. In the present study, we found that the Catsper1 promoter has in vitro transcriptional activity in either orientation in GC-1 spg mouse spermatogonial cells. The results also showed that this promoter regulates the expression of a new divergent Catsper1 gene named Catsper1au (Catsper1 antisense upstream transcript)...
October 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29026319/current-advances-of-long-non-coding-rna-highly-upregulated-in-liver-cancer-in-human-tumors
#19
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
#20
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
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