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Basic Information

Classification Information

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

Cancer&Entry Information

Cancer Name	gastric cancer
ICD-0-3	C16
Methods	qPCR, Western blot, RIP, other
Sample	GC tissues and cell lines (SGC-7901, MGC-803, HGC-27, AGS, and BGC-823), plasma
Expression Pattern	up-regulated
Function Description	Our results showed that SNHG17 expression was upregulated in GC tissues and cells, and its high expression was significantly correlated with increased invasion depth, lymphatic metastasis, and advanced TNM stage. The expression of plasma SNHG17 was also found upregulated in patients with GC compared with healthy controls, with a moderate accuracy for diagnosis of GC (area under the receiver operating characteristic curve = 0.748; 95% CI, 0.666-0.830). Gain- and loss-of-function of SNHG17 revealed that SNHG17 promoted GC cell proliferation, cell cycle progression, invasion, and migration and inhibited apoptosis. Mechanistic investigations showed that SNHG17 was associated with polycomb repressive complex 2 and that this association was required for epigenetic repression of cyclin-dependent protein kinase inhibitors, including p15 and p57, thus contributing to the regulation of GC cell cycle and proliferation. Furthermore, rescue experiments indicated that SNHG17 functioned as an oncogene via activating enhancer of zeste homolog 2 in GC cells.
Pubmed ID	30256413
Year	2019
Title	LncRNA SNHG17 Promotes Gastric Cancer Progression by Epigenetically Silencing of p15 and p57

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