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Κυριακή 14 Ιουλίου 2019


Upregulation of eukaryotic translation initiation factor 3 subunit a promotes cell survival in ameloblastoma,
Publication date: August 2019
Source: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, Volume 128, Issue 2
Author(s): Zhenjiang Ding, Jie Liu, Junting Wang, Biying Huang, Ming Zhong
Objectives
This study aimed to detect the expression of eukaryotic translation initiation factor 3 subunit a (eIF3a) in ameloblastoma (AB) tissues compared with normal oral mucosa (NOM) tissues and investigate the roles of eIF3a in the immortalized ameloblastoma cell line (AM-1) cell proliferation and apoptosis.
Study Design
We performed immunohistochemistry to determine the expression of eIF3a in AB tissues (n = 83) and NOM tissues (n = 20). Real time–quantitative polymerase chain reaction and Western blot analyses were conducted with AB tissues (n = 30) and NOM tissues (n = 6). The correlation between eIF3a expression and the clinical/pathologic features of patients with AB is also presented. The functional role of eIF3a in AM-1 cells was assessed with lentiviral vector–mediated shRNA (small hairpin RNA).
Results
Our results indicated that eIF3a was significantly upregulated in AB. Additionally, eIF3a knockdown in AM-1 cells significantly inhibited cell proliferation and promoted apoptosis.
Conclusions
These data indicate that eIF3a facilitates the survival of AB cells and may serve as a promising therapeutic target in AB.

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