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06 June 2018 : Laboratory Research

Long Noncoding RNA Small Nucleolar RNA Host Gene 1 (SNHG1) Promotes Renal Cell Carcinoma Progression and Metastasis by Negatively Regulating miR-137

Shiyue Zhao1BDEF, Yangwei Wang1BF, Manyu Luo1DEF, Wenpeng Cui1BD, Xiaoxi Zhou1EF, Lining Miao1ACG*

DOI: 10.12659/MSM.910866

Med Sci Monit 2018; 24: LBR3824-3831

Abstract

BACKGROUND: Data on the expression of RCC tissues from the GEO database and patient survival data from TCGA were used to explore the prognostic significance of long noncoding RNA SNHG1. SNHG1 has been reported to participate in the development of several cancers, but, the underlying mechanism of SNHG1 in renal cell carcinoma (RCC) has not been reported. The purpose of our study was to investigate the potential function of SNHG1 in RCC.

MATERIAL AND METHODS: The expression of SNHG1 in 40 cases of RCC and adjacent normal tissues and 5 cell lines was detected by qRT-PCR. Cell proliferation, Transwell assay, and Western blotting assay were carried out to investigate the biological function of SNHG1. A rescue experiment was performed to verify that miR-137 can partly impede the effect of SNHG1 on renal cancer cells.

RESULTS: SNHG1 was identified to be overexpressed in RCC tissues and RCC cell lines. High levels of SNHG1 were correlated with poor prognosis of RCC patients. Knockdown of SNHG1 suppressed the proliferation, invasion, and EMT capacity in RCC. Moreover, miR-137 abrogated the effect of SNHG1 on RCC.

CONCLUSIONS: SNHG1 is significantly upregulated in RCC and renal cancer cell lines. Overexpression of SNHG1 participates in RCC tumorigenesis by regulating miR-137.

Keywords: Carcinoma, Renal Cell, Nephrology

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750