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Basic Information

Classification Information

Regulatory Mechanism		Biological Function		Clinical Application
TF		Immune		Survival
Enhancer		Apoptosis		Drug
Variant		Cell Growth		Circulating
MiRNA		EMT		Metastasis
Methylation		Coding Ability		Recurrence

Cancer&Entry Information

Cancer Name	esophageal squamous cell carcinoma
ICD-0-3	NA
Methods	Western blot
Sample	esophageal squamous cell cancer tissues, cell lines(HET-1A)
Expression Pattern	down-regulated
Function Description	Expression of lncRNA GAS5 was downregulated in the ESCC tissues compared with adjacent normal tissues, and was also downregulated in ESCC Kyse450 cells compared with the human esophageal epithelial HET-1A cell line. Additionally, lncRNA GAS5 was successfully overexpressed in ESCC cells following transfection with pc-GAS5. Overexpression of lncRNA GAS5 significantly inhibited cell proliferation, induced cell cycle arrest at G2/M phase and suppressed cellular migration and invasion. When cells were transfected with pc-GAS5, the levels of phosphorylated (p)-ATM serine/threonine protein kinase, p-checkpoint kinase 2 (CHK2), p-cell division cycle 25C, p-cyclin-dependent kinase 1, N-cadherin, vimentin and Snail were significantly increased, whereas that of E-cadherin were markedly decreased. The results of the present study indicate that overexpression of lncRNA GAS5 may inhibit cell proliferation, migration and invasion in ESCC. lncRNA GAS5 overexpression may induce cell cycle arrest at G2/M stage by activating the ATM-CHK2 pathway. The results of the current study further indicate that lncRNA GAS5 overexpression may suppress cell migration and invasion via EMT-associated proteins.
Pubmed ID	30008868
Year	2018
Title	Downregulation of Long Non-Coding RNA GAS5 Promotes Cell Proliferation, Migration and Invasion in Esophageal Squamous Cell Carcinoma

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