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Qianjun Li, Gang Ma, Huimin Guo, Suhua Sun, Ying Xu, Bingjian Wang
BACKGROUND AND AIMS: Down-regulation of the growth arrest specific transcript 5 (GAS5) (long non-coding RNA) is associated with cell proliferation of gastric cancer (GC) and a poor prognosis. We aimed to investigate whether the variant rs145204276 of GAS5 is associated with the prognosis of GC in the Chinese population, and to unveil the regulatory mechanism underlying the GAS5 expression in GC tissues. METHOD: 1,253 GC patients and 1,354 healthy controls were included...
March 2018: Journal of Gastrointestinal and Liver Diseases: JGLD
Wei Pang, Fu-Zhi Lian, Xue Leng, Shu-Min Wang, Yi-Bo Li, Zi-Yu Wang, Kai-Ren Li, Zhi-Xian Gao, Yu-Gang Jiang
A growing body of evidence has shown bisphenol A (BPA), an estrogen-like industrial chemical, has adverse effects on the nervous system. In this study, we investigated the transcriptional behavior of long non-coding RNAs (lncRNAs) and mRNAs to provide the information to explore neurotoxic effects induced by BPA. By microarray expression profiling, we discovered 151 differentially expressed lncRNAs and 794 differentially expressed mRNAs in the BPA intervention group compared with the control group. Gene ontology analysis indicated the differentially expressed mRNAs were mainly involved in fundamental metabolic processes and physiological and pathological conditions, such as development, synaptic transmission, homeostasis, injury, and neuroinflammation responses...
March 18, 2018: Environmental Science and Pollution Research International
Lutao Du, Weili Duan, Xiumei Jiang, Li Zhao, Juan Li, Rui Wang, Suzhen Yan, Yujiao Xie, Keqiang Yan, Qingliang Wang, Lili Wang, Yongmei Yang, Chuanxin Wang
Cell-free long non-coding RNAs (lncRNAs) are stably present in urine and can serve as non-invasive biomarkers for cancer. We aimed to identify signatures of lncRNAs in urine for diagnosis and prognosis of bladder cancer (BC). Screening of lncRNAs by microarray analysis was performed using urine samples of 10 BC patients and 10 controls. Expressions of candidate lncRNAs were evaluated in the training and validation set including 230 BC patients and 230 controls by quantitative reverse transcription polymerase chain reaction (qRT-PCR)...
March 8, 2018: Journal of Cellular and Molecular Medicine
Y Li, Y-P Wan, Y Bai
OBJECTIVE: Cervical cancer is the second popular female specific malignant tumors. Long-strand non-coding RNA (lncRNA) GAS5 (Growth Arrest Specific 5) participates in pathological processes of various malignant tumors. This study aimed at investigating the correlation between lncRNA GAS5 expression and prognosis of cervical cancer patients. PATIENTS AND METHODS: Cancer tissues were collected from 48 cervical cancer patients. GAS5 expression in cervical cancer cells was determined by qRT-PCR and in situ hybridization (ISH)...
February 2018: European Review for Medical and Pharmacological Sciences
Y Xu, Y-Q Xing
OBJECTIVE: We aimed at discussing the biological function of lncRNA GAS5 (Growth Arrest Specific 5) on the proliferative, apoptotic and differentiative abilities of retinal ganglion cells. MATERIALS AND METHODS: GAS5 expression was knocked down by transfection with siRNA targeting GAS5 (siGAS5) in retinal ganglion cells. After transfection, qRT-PCR was utilized to evaluate the mRNA level of GAS5 expression. The protein levels of smad2 and smad3 were detected by Western blot...
February 2018: European Review for Medical and Pharmacological Sciences
Xiong Liu, Yuqi She, Hongrong Wu, Da Zhong, Jian Zhang
BACKGROUND: LncRNA Gas5 is known to be a key control element during growth, differentiation and development in mammalian species. However, the role and function of Gas5 in growth plate chondrocytes has not been determined. METHODS: The overexpression and knockdown models of Gas5 and miR-21 in cells and animals were constructed. Cell survival was determined by MTT assay and flow cytometry. Animal biochemical indices were measured by enzyme-linked immunosorbent assay, hematoxylin/eosin staining, immunohistochemistry or in situ hybridisation...
February 28, 2018: Journal of Biomedical Science
Feng Li, Jianguang Sun, Shilei Huang, Gao Su, Guofu Pi
BACKGROUND/AIMS: Osteoarthritis (OA) is the most frequently occurring joint disease and characterized by degeneration of cartilage. As the unique cell type in cartilage, chondrocytes play a crucial role during OA. Our study explored the influence of long non-coding RNA (lncRNA) growth arrest-specific transcript 5 (GAS5) on lipopolysaccharides (LPS)-induced injury in ATDC5 cells. METHODS: Cell viability, apoptosis and expression of inflammatory cytokines were all assessed to evaluate LPS-induce inflammatory injury...
February 9, 2018: Cellular Physiology and Biochemistry
Miao Wang, Chen Guo, Liang Wang, Gang Luo, Chao Huang, Yawei Li, Dong Liu, Fuqing Zeng, Guosong Jiang, Xingyuan Xiao
Aberrant expression of long noncoding RNA GAS5 in bladder cancer (BC) cells was identified in recent studies. However, the regulatory functions and underlying molecular mechanisms of GAS5 in BC development remain unclear. Here, we confirmed that there was a negative correlation between GAS5 level and bladder tumor clinical stage. Functionally, overexpression of GAS5 reduced cell viability and induced cell apoptosis in T24 and EJ bladder cancer cells. Mechanistically, GAS5 effectively repressed EZH2 transcription by directly interacting with E2F4 and recruiting E2F4 to EZH2 promoter...
February 14, 2018: Cell Death & Disease
Jin Li, Yuan Wang, Cheng-Gong Zhang, Han-Juan Xiao, Jun-Ming Hu, Jing-Dong He
[This corrects the article DOI: 10.1186/s12935-017-0478-7.].
2018: Cancer Cell International
Jie Wang, Xiaowen Gong, Geng G Tian, Changliang Hou, Xiaoqin Zhu, Xiuying Pei, Yanrong Wang, Ji Wu
Female germline stem cells (FGSCs) are proposed to be a key factor for ameliorating female infertility. Previously we have shown that neonatal and adult FGSCs could be isolated and purified from mouse ovarian tissues. The long noncoding (lnc) RNA growth arrest-specific 5 sequence (GAS5) transcribed from mammalian genomes plays important regulatory roles in various developmental processes. However, there is no study on the relationship between GAS5 and FGSC development in vitro. In this study, we showed that GAS5 was highly expressed in the neonatal mouse ovary and was located in both FGSCs and oocytes...
February 8, 2018: Gene
Rui-Bin Zhao, Li-Hua Zhu, Jia-Ping Shu, Li-Xing Qiao, Zheng-Kun Xia
Hypoxic/ischemic brain damage (HIBD) leads to high neonatal mortality and severe neurologic morbidity. However, the molecular mechanism of HIBD in the neonatal infant is still elusive. Long non-coding RNAs are shown as important regulators of brain development and many neurological diseases. Here, we determined the role of long noncoding RNA-GAS5 in HIBD. GAS5 expression was significantly up-regulated in hypoxic/ischemic-injured neonatal brain and hippocampal neurons. GAS5 knockdown protected against hypoxic/ischemic-induced brain injury in vivo and primary hippocampal neuron injury in vitro...
February 8, 2018: Biochemical and Biophysical Research Communications
Viorel Simion, Stefan Haemmig, Mark W Feinberg
Accumulating studies indicate that long non-coding RNAs (lncRNAs) play important roles in the regulation of diverse biological processes involved in homeostatic control of the vessel wall in health and disease. However, our knowledge of the mechanisms by which lncRNAs control gene expression and cell signaling pathways is still nascent. Furthermore, only a handful of lncRNAs has been functionally evaluated in response to pathophysiological stimuli or in vascular disease states. For example, lncRNAs may regulate endothelial dysfunction by modulating endothelial cell proliferation (e...
February 6, 2018: Vascular Pharmacology
Xiao-Fang Zhang, Yan Ye, Shu-Jun Zhao
Accumulating evidence demonstrates that the long non-coding RNA Growth Arrest-Specific 5 (Gas5) has practical significance in cancer progression and metastasis. However, its role and function in papillary thyroid carcinoma (PTC) remains unknown. In this study, we aimed to explore the potential involvement of Gas5 in papillary thyroid carcinogenesis and to highlight the emerging roles of ceRNAs in the biological regulation of PTC cells. The results suggested that Gas5 was markedly downregulated in both PTC tissues and PTC cell lines...
January 9, 2018: Oncotarget
Xin Chen, Chao Yang, Shengli Xie, Edwin Cheung
Identification of prognostic biomarkers helps facilitate the prediction of patient outcomes as well as guide treatments. Accumulating evidence now suggests that long non-coding RNAs (lncRNAs) play key roles in tumor progression with diagnostic and prognostic values. However, little is known about the biological functions of lncRNAs and how they contribute to the pathogenesis of cancer. Herein, we performed weighted correlation network analysis (WGCNA) on 380 RNA-seq samples from prostate cancer patients to create networks comprising of microRNAs, lncRNAs, and protein-coding genes...
January 2, 2018: Oncotarget
Yang Wang, Daliang Kong
BACKGROUND/AIMS: LncRNA GAS5, a growth suppressor, has been reported to exert anti-tumor actions in various cancers, whereas the exact mechanism underling the anti-tumor action is still unclear. This study was aimed to investigate the effect of lncRNA GAS5 on osteosarcoma and tried to decode the underling mechanisms. METHODS: Expressions of lncRNA GAS5 in MG-63 cells were silenced by shRNA transfection, while were overexpressed by vector transfection. Cell viability, migration, invasion and apoptosis were respectively assessed by MTT, Transwell assay and flow cytometry...
January 31, 2018: Cellular Physiology and Biochemistry
Qi-Feng Suo, Jun Sheng, Fu-Yong Qiang, Zong-Sheng Tang, Ying-Ying Yang
The present study aimed to assess the expression of growth arrest-specific 5 (GAS5) and microRNA (miR)-21 in systemic lupus erythematosus (SLE), and attempted to explore their association with clinical features. CD4+ T cells were isolated from peripheral blood of healthy donors and SLE patients by magnetic-activated cell sorting. GAS5 and miR-21 expression levels in cluster of differentiation (CD)4+ T cells were measured by reverse-transcription quantitative polymerase chain reaction. The results revealed that GAS5 and miR-21 levels were significantly elevated in CD4+ T cells of patients with SLE compared with those in control subjects (P<0...
January 2018: Experimental and Therapeutic Medicine
Wei Li, Weidong Zhao, Zhaohui Lu, Wen Zhang, Xuan Yang
Long non-coding RNA (lncRNA) growth arrest-specific transcript 5 (GAS5) has been revealed to be associated with the progression of various cancers. However, the biological roles of GAS5 in esophageal cancer (EC) remain unclear. Herein, we aimed to thoroughly explore the functions of GAS5 in EC. The results showed that GAS5 expression was increased in EC cells (ECA109, TE-1, TE3 and EC9706) compared to SHEE cells. Knockdown of GAS5 decreased cell viability, migration, invasion, and induced apoptosis in EC9706 cells...
January 31, 2018: Oncology Research
Chi-Yuan Chen, Chin-Chuan Chen, Tzong-Ming Shieh, Chuen Hsueh, Shu-Huei Wang, Yann-Lii Leu, Jang-Hau Lian, Tong-Hong Wang
Corylin is a flavonoid extracted from the nuts of Psoralea corylifolia L. (Fabaceae), which is a widely used anti-inflammatory and anticancer herb in China. Recent studies revealed antioxidant, anti-inflammatory, and bone differentiation-promoting effects of corylin. However, there are no studies examining the anticancer activity of corylin. In this study, we used cells and animal models to examine the antitumor effects of corylin on hepatocellular carcinoma (HCC) and then studied its downstream regulatory mechanisms...
January 27, 2018: International Journal of Molecular Sciences
Cheng-Zhi Ding, Xu-Feng Guo, Guo-Lei Wang, Hong-Tao Wang, Guang-Hui Xu, Yuan-Yuan Liu, Zhen-Jiang Wu, Yu-Hang Chen, Jiao Wang, Wen-Guang Wang
Despite the growing number of studies exhibited an association of diabetes mellitus (DM) and lung cancer progression, the concrete mechanism of DM aggravating lung cancer has not been elucidated. This study was to investigate whether and how high glucose (HG) contribute to the proliferation and migration of non-small cell lung cancer (NSCLC) cells in vitro. In the present study, we confirmed that HG promoted the proliferation and migration of NSCLC cells, and also induced an anti-apoptosis effect on NSCLC cells...
January 24, 2018: Bioscience Reports
O Y Burenina, T S Oretskaya, E A Kubareva
Non-coding RNAs up to 1,000 nucleotides in length are widespread in eukaryotes and fulfil various regulatory functions, in particular during chromatin remodeling and cell proliferation. These RNAs are not translated into proteins: thus, they are non-coding RNAs (ncRNAs). The present review describes the eukaryotic ncRNAs involved in transcription regulation, first and foremost, targeting RNA polymerase II (RNAP II) and/or its major proteinaceous transcription factors. The current state of knowledge concerning the regulatory functions of SRA and TAR RNA, 7SK and U1 snRNA, GAS5 and DHFR RNA is summarized herein...
October 2017: Acta Naturae
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