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Competing Endogenous Rna (Cerna) Cross Talk and Language in Cerna Regulatory Networks: A New Look at Hallmarks of Breast Cancer Publisher Pubmed



Abdollahzadeh R1 ; Daraei A2 ; Mansoori Y3 ; Sepahvand M1 ; Amoli MM4 ; Tavakkolybazzaz J1
Authors
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Authors Affiliations
  1. 1. Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Genetics, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
  3. 3. Department of Medical Genetics, Fasa University of Medical Sciences, Fasa, Iran
  4. 4. Endocrinology and Metabolism Molecular Cellular Sciences Institute, Metabolic Disorders Research Center, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Cellular Physiology Published:2019


Abstract

Breast cancer (BC) is the most frequently occurring malignancy in women worldwide. Despite the substantial advancement in understanding the molecular mechanisms and management of BC, it remains the leading cause of cancer death in women. One of the main reasons for this obstacle is that we have not been able to find the Achilles heel for the BC as a highly heterogeneous disease. Accumulating evidence has revealed that noncoding RNAs (ncRNAs), play key roles in the development of BC; however, the involving of complex regulatory interactions between the different varieties of ncRNAs in the development of this cancer has been poorly understood. In the recent years, the newly discovered mechanism in the RNA world is “competing endogenous RNA (ceRNA)” which proposes regulatory dialogues between different RNAs, including long ncRNAs (lncRNAs), microRNAs (miRNAs), transcribed pseudogenes, and circular RNAs (circRNAs). In the latest BC research, various studies have revealed that dysregulation of several ceRNA networks (ceRNETs) between these ncRNAs has fundamental roles in establishing the hallmarks of BC development. And it is thought that such a discovery could open a new window for a better understanding of the hidden aspects of breast tumors. Besides, it probably can provide new biomarkers and potential efficient therapeutic targets for BC. This review will discuss the existing body of knowledge regarding the key functions of ceRNETs and then highlights the emerging roles of some recently discovered ceRNETs in several hallmarks of BC. Moreover, we propose for the first time the “ceRnome” as a new term in the present article for RNA research. © 2018 Wiley Periodicals, Inc.
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