The role of long non-coding RNA GAS5 in cancers

Jiali Ji,1 Xiaolan Dai,2 Sai-Ching Jim Yeung,3 Xuexin He11Department of Medical Oncology, The 2nd Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, People’s Republic of China; 2Department of Pharmacy, School of Medicine, Shantou University, Shantou, Guangdong, People’s Republic of China; 3Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USAAbstract: Long non-coding RNAs (lncRNAs) have shown potential as a biomarker in the diagnosis and prognosis in multiple cancers. LncRNAs are dysregulated in various cancers, playing either oncogenic or tumor suppressive roles. Emerging evidences have proved that the growth arrest-specific 5 (GAS5) lncRNA can function as a tumor suppressor in several cancers. LncRNA GAS5 is downregulated in many types of cancer, regulating cellular processes such as cell proliferation, apoptosis and invasion. The low level of GAS5 expression often elevates capacity of proliferation and predicts poorer prognosis in some cancers. This review aims to summarize the recent published literature on the biogenesis, regulation mechanism and function of GAS5 in different types of cancers and explore its potential for cancer diagnosis, prognosis and treatment.Keywords: lncRNA, GAS5, tumor suppressor, tumor