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MALAT1: a potential biomarker in cancer

Authors Li ZX, Zhu QN, Zhang HB, Hu Y, Wang G, Zhu YS

Received 28 March 2018

Accepted for publication 25 June 2018

Published 6 December 2018 Volume 2018:10 Pages 6757—6768


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 5

Editor who approved publication: Professor Harikrishna Nakshatri

Zhi-Xing Li,1,2 Qiong-Ni Zhu,1,2 Hai-Bo Zhang,1,2 Yang Hu,1,2 Guo Wang,1,2 Yuan-Shan Zhu3

1Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, People’s Republic of China; 2Hunan Key Laboratory of Pharmacogenetics, Institute of Clinical Pharmacology, Central South University, Changsha, 410078, People’s Republic of China; 3Department of Medicine, Weill Cornell Medicine, New York, NY, 10065, USA

Purpose: The research of long non-coding RNAs (lncRNAs) has become a new passion with the discovery of abundant new lncRNAs and extensive investigation of their roles in various diseases, especially in cancers. Metastasis associated in lung adenocarcinoma transcript 1 (MALAT1) emerges as a hotspot, which has been reported to be involved in dysregulation of cell signaling and closely correlated with cancer development, progression, and response to therapy. This review is a brief update of the current knowledge related to the role of MALAT1 in cancer-associated molecular pathways and pathophysiology and possible determinants for MALAT1 to function as a biomarker, aiming to stimulate the basic investigation of lncRNA MALAT1 as well as its translation to clinical applications.
Methods: We have selected vast literature from electronic databases including studies associated with its clinical significance and the pivotal functions in cancer processes such as cell proliferation, apoptosis, metastasis, immunity, angiogenesis, and drug resistance.
Results: Studies have shown that aberrant expression of MALAT1 is related to cancer pathophysiology with the potential to be translated clinically and MALAT1 can regulate cancer processes by interacting with molecules, such as proteins, RNAs and DNAs, and further altering different signal pathways.
Conclusion: MALAT1 lncRNA promises to be a potential biomarker for cancer diagnosis as well as prognosis. Additionally, it might be a therapeutic target for human cancers.

Keywords: MALAT1, lncRNA, cancer therapy, signal pathways, biomarker, chemoresistance, metastasis

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