Effect of ciRS-7 expression on clear cell renal cell carcinoma progression

Abstract. Background. Circular RNA ciRS-7 has been reported to be involved in the progression of various cancers. However, ciRS-7 expression and its role in clear cell renal cell carcinoma (ccRCC) progression remains unclear. This study aimed to investigate the effect of ciRS-7 expression on ccRCC a...

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Main Authors: Yan-Hui Zhao, Zhi Wang, Na Zhang, Tao Cui, Yan-Hui Zhang, Yuan-Yuan Ji.
Format: Article
Language:English
Published: Wolters Kluwer 2020-09-01
Series:Chinese Medical Journal
Online Access:http://journals.lww.com/10.1097/CM9.0000000000000867
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author Yan-Hui Zhao
Zhi Wang
Na Zhang
Tao Cui
Yan-Hui Zhang
Yuan-Yuan Ji.
author_facet Yan-Hui Zhao
Zhi Wang
Na Zhang
Tao Cui
Yan-Hui Zhang
Yuan-Yuan Ji.
author_sort Yan-Hui Zhao
collection DOAJ
description Abstract. Background. Circular RNA ciRS-7 has been reported to be involved in the progression of various cancers. However, ciRS-7 expression and its role in clear cell renal cell carcinoma (ccRCC) progression remains unclear. This study aimed to investigate the effect of ciRS-7 expression on ccRCC and the related signaling pathway. Methods. ciRS-7 expression was analyzed using quantitative reverse transcription polymerase chain reaction in 87 pairs of ccRCC and matched adjacent normal tissues. The role of ciRS-7 in ccRCC cell proliferation and invasion was determined using the cell counting kit-8 and invasion assays, respectively. Potential mechanisms underlying the role of ciRS-7 in promoting ccRCC progression were explored by Western blotting. The relationship between the expression of ciRS-7 and features of ccRCC was analyzed by the Chi-square test and progression-free survival was determined using a Kaplan-Meier plot. Results. ciRS-7 was overexpressed in ccRCC tissues compared with that in matched adjacent normal tissues. In addition, ciRS-7 up-regulation was closely associated with tumor diameter (P = 0.050), clinical stage (P = 0.009), and distant metastasis (P = 0.007). ciRS-7 knockdown in 786O and 769P cells markedly inhibited their proliferative and invasive abilities. In addition, ciRS-7 inhibition reduced phosphorylated epidermal growth factor receptor (p-EGFR) and phosphorylated serine/threonine kinase (p-Akt) levels. Conclusions. ciRS-7 up-regulation could promote ccRCC cell proliferation and invasion, which may be related with the EGFR/Akt signaling pathway. ciRS-7 might be a potential ccRCC therapeutic target.
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spelling doaj.art-73ac69b3aa16415a92d8e5c3bf84f2002022-12-21T22:09:01ZengWolters KluwerChinese Medical Journal0366-69992542-56412020-09-01133172084208910.1097/CM9.0000000000000867202009050-00010Effect of ciRS-7 expression on clear cell renal cell carcinoma progressionYan-Hui ZhaoZhi WangNa ZhangTao CuiYan-Hui ZhangYuan-Yuan Ji.Abstract. Background. Circular RNA ciRS-7 has been reported to be involved in the progression of various cancers. However, ciRS-7 expression and its role in clear cell renal cell carcinoma (ccRCC) progression remains unclear. This study aimed to investigate the effect of ciRS-7 expression on ccRCC and the related signaling pathway. Methods. ciRS-7 expression was analyzed using quantitative reverse transcription polymerase chain reaction in 87 pairs of ccRCC and matched adjacent normal tissues. The role of ciRS-7 in ccRCC cell proliferation and invasion was determined using the cell counting kit-8 and invasion assays, respectively. Potential mechanisms underlying the role of ciRS-7 in promoting ccRCC progression were explored by Western blotting. The relationship between the expression of ciRS-7 and features of ccRCC was analyzed by the Chi-square test and progression-free survival was determined using a Kaplan-Meier plot. Results. ciRS-7 was overexpressed in ccRCC tissues compared with that in matched adjacent normal tissues. In addition, ciRS-7 up-regulation was closely associated with tumor diameter (P = 0.050), clinical stage (P = 0.009), and distant metastasis (P = 0.007). ciRS-7 knockdown in 786O and 769P cells markedly inhibited their proliferative and invasive abilities. In addition, ciRS-7 inhibition reduced phosphorylated epidermal growth factor receptor (p-EGFR) and phosphorylated serine/threonine kinase (p-Akt) levels. Conclusions. ciRS-7 up-regulation could promote ccRCC cell proliferation and invasion, which may be related with the EGFR/Akt signaling pathway. ciRS-7 might be a potential ccRCC therapeutic target.http://journals.lww.com/10.1097/CM9.0000000000000867
spellingShingle Yan-Hui Zhao
Zhi Wang
Na Zhang
Tao Cui
Yan-Hui Zhang
Yuan-Yuan Ji.
Effect of ciRS-7 expression on clear cell renal cell carcinoma progression
Chinese Medical Journal
title Effect of ciRS-7 expression on clear cell renal cell carcinoma progression
title_full Effect of ciRS-7 expression on clear cell renal cell carcinoma progression
title_fullStr Effect of ciRS-7 expression on clear cell renal cell carcinoma progression
title_full_unstemmed Effect of ciRS-7 expression on clear cell renal cell carcinoma progression
title_short Effect of ciRS-7 expression on clear cell renal cell carcinoma progression
title_sort effect of cirs 7 expression on clear cell renal cell carcinoma progression
url http://journals.lww.com/10.1097/CM9.0000000000000867
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AT taocui effectofcirs7expressiononclearcellrenalcellcarcinomaprogression
AT yanhuizhang effectofcirs7expressiononclearcellrenalcellcarcinomaprogression
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