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Published in: Cancer Cell International 1/2018

Open Access 01-12-2018 | Primary Research

RRS1 gene expression involved in the progression of papillary thyroid carcinoma

Authors: Feng Chen, Yaqiong Jin, Lin Feng, Jie Zhang, Jun Tai, Jin Shi, Yongbo Yu, Jie Lu, Shengcai Wang, Xin Li, Ping Chu, Shujing Han, Shujun Cheng, Yongli Guo, Xin Ni

Published in: Cancer Cell International | Issue 1/2018

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Abstract

Background

Papillary thyroid carcinoma (PTC) is one of the most frequent malignancies of the endocrine system, whose mechanisms of pathogenesis, progression and prognosis are still far from being clearly elucidated. Despite an increasing body of evidences highlights ribosome biogenesis regulator homolog (RRS1) as a ribosome biogenesis protein in yeast and plants, little is known about human RRS1 function.

Methods

Proliferation, cell cycle and apoptosis of PTC cells were assessed following the knockdown of RRS1 expression though MTT, colony formation assay, and flow cytometry. Then, transcriptome profiling was conducted to explore pathway changes after RRS1 silencing in PTC cells. Receiver operating characteristic curve and Youden’s index were performed in twenty-four thyroid carcinoma samples to assess their potential clinical diagnostic value.

Results

Firstly, we found that silencing RRS1 significantly reduced cell proliferation, inhibited cell cycle, and promoted apoptosis in PTC cell line. The result also showed that knock-down of RRS1 could up-regulate genes involving apoptosis and metabolism, while, down-regulate genes relative to cell proliferation and blood vessel development. Notably, the present study confirmed the diagnostic value of RRS1 for thyroid carcinoma in both children and adults.

Conclusions

In conclusion, these data afford a comprehensive view of a novel function of human RRS1 by promoting cell proliferation and could be a potential indicator for papillary thyroid carcinoma.
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Metadata
Title
RRS1 gene expression involved in the progression of papillary thyroid carcinoma
Authors
Feng Chen
Yaqiong Jin
Lin Feng
Jie Zhang
Jun Tai
Jin Shi
Yongbo Yu
Jie Lu
Shengcai Wang
Xin Li
Ping Chu
Shujing Han
Shujun Cheng
Yongli Guo
Xin Ni
Publication date
01-12-2018
Publisher
BioMed Central
Published in
Cancer Cell International / Issue 1/2018
Electronic ISSN: 1475-2867
DOI
https://doi.org/10.1186/s12935-018-0519-x

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