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Tumor Biology
Published in: Tumor Biology 7/2016

01-07-2016 | Original Article

Functional characterization of TRPM7 in nasopharyngeal carcinoma and its knockdown effects on tumorigenesis

Authors: Yi Qin, Zhi-Wei Liao, Jing-Yan Luo, Wen-Zhe Wu, An-Shang Lu, Pu-Xia Su, Bing-Quan Lai, Xiao-Xiao Wang

Published in: Tumor Biology | Issue 7/2016

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Abstract

The aim of this study was to evaluate the association of functional expression of TRPM7 with nasopharyngeal carcinoma (NPC) growth. We examined the correlation of TRPM7 expression with cell growth and proliferation, cell cycle, and apoptosis in vitro in NPC cell lines and NPC tumorigenesis in mice by conducting experiments in mice and by further analyzing the tumor volume and growth. We further explored to see whether there is any positive correlation with the TRPM7 knockdown in NPC cells with their sensitivity to radiation. We found that the functional expression of TRPM7 in nasopharyngeal carcinoma is a critical requirement for physiological processes such as cell cycle, resistance to apoptosis, and cell proliferation. TRPM7 knockdown also enhanced sensitivity to radiotherapy of nasopharyngeal carcinoma. Moreover, we identified TRPM7 as a novel potential regulator of cell proliferation in NPC, through signal transducer and activator of transcription 3 (STAT3)-mediated signaling pathway and other anti-apoptotic factors. TRPM7 and STAT3 activation might be critical for the growth of NPC cells and could be an effective target for treatment of nasopharyngeal carcinoma.
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Metadata
Title
Functional characterization of TRPM7 in nasopharyngeal carcinoma and its knockdown effects on tumorigenesis
Authors
Yi Qin
Zhi-Wei Liao
Jing-Yan Luo
Wen-Zhe Wu
An-Shang Lu
Pu-Xia Su
Bing-Quan Lai
Xiao-Xiao Wang
Publication date
01-07-2016
Publisher
Springer Netherlands
Published in
Tumor Biology / Issue 7/2016
Print ISSN: 1010-4283
Electronic ISSN: 1423-0380
DOI
https://doi.org/10.1007/s13277-015-4636-z

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