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Shuo Cheng, Tao Huang, Pengcheng Li, Wei Zhang, Zhihang Wang, Yao Chen
The long antisense non-coding RNA ANRIL is 3.8 kb in length and serves an important role in the tumorigenesis and progression of a number of malignancies. However, its function in human osteosarcoma remains unknown. The present study investigated the role of ANRIL in human osteosarcoma cell lines and clinical tumor samples. The expression of ANRIL was analyzed in 19 osteosarcoma and paired adjacent non-cancerous tissues using reverse transcription-quantitative polymerase chain reaction. Knockdown of ANRIL expression using lentivirus-mediated small interfering RNA was performed to investigate the role of ANRIL in tumor proliferation and metastasis using MTT, colony formation and transwell assays...
November 2017: Experimental and Therapeutic Medicine
Dongya Zhang, Liang Ding, Yi Li, Jing Ren, Guoping Shi, Yong Wang, Shuli Zhao, Yanhong Ni, Yayi Hou
Midkine (MK) is a heparin-binding growth factor that promotes carcinogenesis and chemoresistance. The tumour microenvironment (TME) can affect chemotherapy sensitivity. However, the role of stromal-derived MK, especially in cancer-associated fibroblasts (CAFs), is unclear. Here, we confirmed that MK decreased cisplatin-induced cell death in oral squamous cell carcinoma (OSCC) cells, ovarian cancer cells and lung cancer cells. We also isolated primary CAFs (n = 3) from OSCC patients and found that CAFs secreted increased levels of MK, which abrogated cisplatin-induced cell death...
November 24, 2017: Scientific Reports
Avaniyapuram Kannan Murugan, Munirajan Arasambattu Kannan, Ali S Alzahrani
Thyroid cancer continues to be the most common malignancy of endocrine glands. The incidence of thyroid cancer rises significantly over the past 4 decades and emerges as a major health issue. In recent years, a significant progress has been achieved in our understanding of molecular mechanisms of thyroid carcinogenesis, resulting in significant diagnostic, prognostic and therapeutic implications; yet, it has not reached a satisfactory level. Identifying novel molecular therapeutic targets and molecules for diagnosis and prognosis are expected to advance the overall management of this common malignancy...
November 16, 2017: Endocrine-related Cancer
Ji Ma, Tengfei Li, Xinwei Han, Huifeng Yuan
OBJECTIVE: Previous studies reported that lncRNA antisense non-coding RNA in the INK4 locus (ANRIL) was upregulated in hepatocellular carcinoma (HCC) tissues and decreased expression of ANRIL could suppress cell proliferation, metastasis, and invasion and induce apoptosis of HCC cells. However, the molecular mechanism of ANRIL involved in HCC tumorigenesis is still unknown. METHODS: The expressions of ANRIL and miR-122-5p in HCC tissues and cells were quantified by qRT-PCR...
November 10, 2017: Journal of Cancer Research and Clinical Oncology
Anu Alice Thomas, Biao Feng, Subrata Chakrabarti
Long non-coding RNAs (lncRNAs) have gained widespread interest due to their prevailing presence in various diseases. lncRNA ANRIL (a.k.a CDKN2B-AS1) is located on human chromosome 9 (p21.3) and transcribed in opposite direction to INK4b-ARF-INK4a gene cluster. It has been identified as highly susceptible region for diseases such as coronary artery diseases and Type 2 Diabetes. Here we explored its regulatory role in diabetic nephropathy (DN) and diabetic cardiomyopathy (DCM) in association with epigenetic modifiers p300 and polycomb repressive complex 2 (PRC2) complex...
November 7, 2017: American Journal of Physiology. Endocrinology and Metabolism
Xuechao Dong, Zheng Jin, Yong Chen, Haiyang Xu, Chengyuan Ma, Xinyu Hong, Yunqian Li, Gang Zhao
Gliomas are the most common types of primary central nervous system malignancy found in adults. Long non-coding RNA antisense non-coding RNA in the INK4 locus (ANRIL) variants are associated with glioma and miR-34a is markedly downregulated in U251 glioma cells. The 3'-untranslated region (3'UTR) of silent information regulator 1 (Sirt1) contains a conserved site that is targeted directly by miR-34a. Therefore, in this study, we investigated the roles of ANRIL, miR-34a and Sirt1 in glioma and their potential interactions...
October 23, 2017: Journal of Cellular Biochemistry
Serdal Arslan, Öcal Berkan, Torkia Lalem, Nil Özbilüm, Sabahattin Göksel, Özge Korkmaz, Nilgün Çetin, Yvan Devaux
BACKGROUND AND AIMS: Genetic and environmental factors are important components of the development of atherosclerosis. Long non-coding RNA (lncRNAs) have emerged as regulators of multiple pathophysiological pathways in the cardiovascular system. Here, we investigated potential associations between lncRNAs and atherosclerosis. METHODS: Tissue samples from atherosclerotic coronary artery plaques and non-atherosclerotic internal mammary artery were obtained from 20 patients during coronary artery bypass surgery...
November 2017: Atherosclerosis
Majid Pahlevan Kakhki, Abbas Nikravesh, Zeinab Shirvani Farsani, Mohammad Ali Sahraian, Mehrdad Behmanesh
Different studies have revealed that dysregulation in gene expression is one of the main aspects of multiple sclerosis (MS) pathogenesis. Although the molecular pathways underlying the immunomodulatory role of vitamin D (VD) in MS is not completely elucidated, VD has more recently become a topic of interest in immune regulation and is widely administrated to MS patients as an immunomodulatory supplement. Long non-coding RNAs (lncRNAs) are known to play important roles in regulation of gene expression via different mechanisms...
October 14, 2017: Immunology
Weiliang Sun, Yunben Yang, Chunjing Xu, Junming Guo
Long non-coding RNAs (lncRNAs) are a heterogeneous class of RNAs that are non-protein coding transcripts longer than 200 nucleotides. In this review, we introduce the mechanisms by which lncRNAs regulate gene expression in four parts, epigenetic regulation (genetic imprinting and chromatin remodeling), transcriptional regulation (molecular decoy), post-transcriptional regulation (splicing and mRNA decay), and translational regulation. H19, Xist, and others are involved in genomic imprinting. HOTAIR and ANRIL function in chromatin remodeling...
October 2017: Cancer Genetics
Fang Wang, Xi Su, Chengwei Liu, Mingxiang Wu, Bei Li
BACKGROUND In-stent restenosis (ISR) remains a major cause of failure of contemporary percutaneous revascularization therapies. Invasive biomarkers to improve the prognosis of ISR should be considered. This study aimed to investigate the association between plasma ANRIL expression and ISR. MATERIAL AND METHODS A total of 444 patients were included in this research. Serial coronary angiography was performed at baseline (before and after intervention) and within 36 months' follow-up. ISR was defined as >50% diameter stenosis at follow-up...
October 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Shuang-Ta Xu, Jian-Hua Xu, Zheng-Rong Zheng, Qing-Quan Zhao, Xiao-Shan Zeng, Si-Xian Cheng, Ying-Hui Liang, Qing-Fu Hu
Triple-negative breast cancer (TNBC) is a complex breast cancer subtype characterized by the absence of estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (Her2). Long non-coding RNA (lncRNA) antisense non-coding RNA in the INK4 locus (ANRIL) has been verified as oncogenic molecular in series of tumors, however, the role of ANRIL in TNBC carcinogenesis is still unclear. The purpose of present study is to investigate the expression and in-depth regulation of ANRIL on TNBC tumorigenesis...
September 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Ming-de Huang, Wen-Ming Chen, Fu-Zhen Qi, Rui Xia, Ming Sun, Tong-Peng Xu, Li Yin, Er-Bao Zhang, Wei De, Yong-Qian Shu
No abstract text is available yet for this article.
July 27, 2017: Journal of Hematology & Oncology
Boel De Paepe, Steve Lefever, Pieter Mestdagh
The cellular transcriptome contains a wide diversity of untranslated RNAs, of which the class of regulatory long noncoding RNAs (lncRNAs) has only recently been recognized. Evidence swiftly accumulates of lncRNAs influencing mitochondrial activities of eukaryotic cells, and perturbed expression is conspicuously associated with human diseases. In this review, we describe the multifaceted effects of lncRNAs on mitochondrial function, more particularly on the balance between oxidative phosphorylation and glycolysis, on the production of reactive oxygen species, and on apoptosis in human cells...
September 6, 2017: Current Genetics
Jennifer B Permuth, Dung-Tsa Chen, Sean J Yoder, Jiannong Li, Andrew T Smith, Jung W Choi, Jongphil Kim, Yoganand Balagurunathan, Kun Jiang, Domenico Coppola, Barbara A Centeno, Jason Klapman, Pam Hodul, Florian A Karreth, Jose G Trevino, Nipun Merchant, Anthony Magliocco, Mokenge P Malafa, Robert Gillies
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive disease that lacks effective biomarkers for early detection. We hypothesized that circulating long non-coding RNAs (lncRNAs) may act as diagnostic markers of incidentally-detected cystic PDAC precursors known as intraductal papillary mucinous neoplasms (IPMNs) and predictors of their pathology/histological classification. Using NanoString nCounter® technology, we measured the abundance of 28 candidate lncRNAs in pre-operative plasma from a cohort of pathologically-confirmed IPMN cases of various grades of severity and non-diseased controls...
September 5, 2017: Scientific Reports
Eirini Zacharopoulou, Maria Gazouli, Maria Tzouvala, Antonios Vezakis, George Karamanolis
Inflammatory bowel diseases (IBDs) are multifactorial autoimmune diseases with growing prevalence but the interaction between genetic, environmental and immunologic factors in their development is complex and remains obscure. There is great need to understand their pathogenetic mechanisms and evolve diagnostic and therapeutic tools. Long non-coding RNAs (lncRNAs) are RNA molecules longer than 200 nucleotides that are known to interfere in gene regulation but their roles and functions have not yet been fully understood...
August 9, 2017: Digestive and Liver Disease
Maryam Mafi Golchin, Sayyed Mohammad Hossein Ghaderian, Haleh Akhavan-Niaki, Rozita Jalalian, Laleh Heidari, Seyed Alireza Salami
Coronary artery disease (CAD) including myocardial infarction (MI) as its complication, is one of the most common heart diseases worldwide and also in Iran, with extremely elevated mortality. CAD is a multifactorial disorder. Twin and family studies at different loci have demonstrated that genetic factors have an important role in the progression of CAD. Many studies have reported a significant association of CDKN2B-AS, also known as ANRIL which is located within the p15, p16, p14 gene cluster at 9p21 locus, with cardiovascular diseases as well as many other diseases like diabetes and cancers...
2017: International Journal of Molecular and Cellular Medicine
Sunantha Sethuraman, Lauren Appleby Gay, Vaibhav Jain, Irina Haecker, Rolf Renne
Kaposi's sarcoma (KS) is a highly prevalent cancer in AIDS patients, especially in sub-Saharan Africa. Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiological agent of KS and other cancers like Primary Effusion Lymphoma (PEL). In KS and PEL, all tumors harbor latent KSHV episomes and express latency-associated viral proteins and microRNAs (miRNAs). The exact molecular mechanisms by which latent KSHV drives tumorigenesis are not completely understood. Recent developments have highlighted the importance of aberrant long non-coding RNA (lncRNA) expression in cancer...
July 2017: PLoS Pathogens
Chun-Li Song, Jin-Peng Wang, Xin Xue, Ning Liu, Xiao-Hao Zhang, Zhuo Zhao, Jian-Gen Liu, Chun-Peng Zhang, Zhe-Hao Piao, Yang Liu, Yi-Bo Yang
BACKGROUND/AIMS: This study aims to investigate the role of circular antisense non-coding RNA at the INK4 locus (cANRIL) in the inflammatory response of vascular endothelial cells (ECs) in a rat model of coronary atherosclerosis (AS). A rat model of AS was established with rats that were injected with a large dose of vitamin D3 and fed a high-fat diet. METHODS: Sixty Wistar rats were randomly assigned into control, model, empty vector, over-expressed cANRIL and low-expressed cANRIL groups (12 rats in each group)...
2017: Cellular Physiology and Biochemistry
Jiang Che
Long noncoding ribonucleic acids (RNAs) are important regulators of gene expression. Antisense noncoding RNA in the INK4 locus (ANRIL), which was coded on the Chr9p21.3 loci, participates in the pathogenesis of tumor, coronary artery disease, type 2 diabetes mellitus, and other diseases. A genome-wide association study indicated ANRIL to be a candidate gene that may lead to the development of an intracranial aneurysm (IA) formation. However, the detailed molecular mechanisms are unknown and have not been studied...
July 2017: Neurology India
Debina Sarkar, Ali Oghabian, Pasani K Bodiyabadu, Wayne R Joseph, Euphemia Y Leung, Graeme J Finlay, Bruce C Baguley, Marjan E Askarian-Amiri
The long non-coding RNA ANRIL, antisense to the CDKN2B locus, is transcribed from a gene that encompasses multiple disease-associated polymorphisms. Despite the identification of multiple isoforms of ANRIL, expression of certain transcripts has been found to be tissue-specific and the characterisation of ANRIL transcripts remains incomplete. Several functions have been associated with ANRIL. In our judgement, studies on ANRIL functionality are premature pending a more complete appreciation of the profusion of isoforms...
June 27, 2017: International Journal of Molecular Sciences
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