scholarly journals Reduced expression levels of the death-associated protein kinase and E-cadherin are correlated with the development of esophageal squamous cell carcinoma

2013 ◽  
Vol 5 (3) ◽  
pp. 972-976 ◽  
Author(s):  
JIANWEN ZHAI ◽  
XIAOGANG YANG ◽  
YANLI ZHANG ◽  
QINGBIN QI ◽  
JIGANG HU ◽  
...  
Author(s):  
Ismário Silva de Meneses ◽  
Rafael Reis de Souza ◽  
Verónica de Lourdes Sierpe Jeraldo ◽  
Danielle Rodrigues Ribeiro Cavalcante ◽  
Francisco Prado Reis ◽  
...  

2019 ◽  
Vol 10 (12) ◽  
Author(s):  
Zhiming Dong ◽  
Shengmian Li ◽  
Xuan Wu ◽  
Yunfeng Niu ◽  
Xiaoliang Liang ◽  
...  

AbstractNatural antisense lncRNAs can interfere with their corresponding sense transcript to elicit concordant or discordant regulation. LncRNA ZNF667-AS1 and its sense gene ZNF667 were found to be downregulated in esophageal squamous cell carcinoma (ESCC) tissues by RNA sequencing; however, the exact roles of both genes in ESCC occurrence and development have not been clarified. This study was to investigate the expression patterns, epigenetic inactivation mechanisms, function, and prognostic significance of ZNF667-AS1 and ZNF667 in ESCC tumorigenesis. Frequent downregulation of ZNF667-AS1 and ZNF667 was detected in esophageal cancer cells and ESCC tissues. The expression levels of ZNF667-AS1 and ZNF667 were significantly reversed by treatment with 5-Aza-dC and TSA in esophageal cancer cell lines. The CpG sites hypermethylation within proximal promoter influenced the binding ability of transcription factor E2F1 to the binding sites and then affected the transcription and expression of ZNF667-AS1 and ZNF667. Overexpression of ZNF667-AS1 and ZNF667 suppressed the viability, migration, and invasion of esophageal cancer cells in vitro. Overexpression of ZNF667-AS1 increased mRNA and protein expression level of ZNF667. ZNF667-AS1 interacts with and recruits TET1 to its target gene ZNF667 and E-cadherin to hydrolyze 5′-mc to 5′-hmc and further activates their expression, meanwhile, ZNF667-AS1 also interacts with UTX to decrease histone H3K27 tri-methylation to activate ZNF667 and E-cadherin expression. Furthermore, ZNF667-AS1 or ZNF667 expression and promoter methylation status were correlated with ESCC patients’ survival. Thus, these findings suggest that ZNF667-AS1 and ZNF667 may act as tumor suppressors and may serve as potential targets for antitumor therapy.


2007 ◽  
Vol 95 (2) ◽  
pp. 148-155 ◽  
Author(s):  
Tetsuro Setoyama ◽  
Shoji Natsugoe ◽  
Hiroshi Okumura ◽  
Masataka Matsumoto ◽  
Yasuto Uchikado ◽  
...  

2007 ◽  
Vol 170 (2) ◽  
pp. 709-721 ◽  
Author(s):  
Mercedes Lioni ◽  
Patricia Brafford ◽  
Claudia Andl ◽  
Anil Rustgi ◽  
Wafik El-Deiry ◽  
...  

2004 ◽  
Vol 122 (1) ◽  
pp. 78-84 ◽  
Author(s):  
Shinsuke Takeno ◽  
Tsuyoshi Noguchi ◽  
Shoichi Fumoto ◽  
Yasuhiko Kimura ◽  
Tomotaka Shibata ◽  
...  

2019 ◽  
Author(s):  
Yanan Jiang ◽  
Jing Zhang ◽  
Jimin Zhao ◽  
Zhenzhen Li ◽  
Hanyong Chen ◽  
...  

Abstract Background Esophageal squamous cell carcinoma (ESCC) is a deadly disease with the poor prognosis in the world. The distal metastasis is the most death reason of ESCC. It is needed to have a comprehensive understanding of the molecular mechanism of metastasis to increase the free survive rate. T-LAK cell-originated protein kinase (TOPK) which is a MAPKK-like kinase takes an vital role in many physical and pathophysiological progress. However, the function of TOPK in ESCC metastasis was unclear. Methods Tissue array was used to evaluate the relationship between TOPK and ESCC patient with lymph node metastasis. Wound healing assay, transwell assay and lung metastasis mice model were assessed for the role of TOPK in the migration of ESCC cells in vitro and in vivo respectively. Protein kinase array, MS and molecular modeling were carried out to find the relational pathways and target protein of TOPK. Even, immune-fluorescence and western blot were performed to evaluate the mechanism of TOPK. Results We found that the high level of TOPK was correlated with the aggressive phenotype in ESCC tissues. Knocking down TOPK inhibited the invasion and migration of ESCC cells. We also verified that TOPK inhibitor HI-TOPK-032 inhibited the lung metastasis in ESCC cell exnograft model. Even more, molecular investigation indicated that TOPK promoted the invasion of ESCC cells by activing Src/GSK3β/STAT3, ERK pathway by binding with γ-catenin. Conclusion These findings reveal that TOPK was sincerely related with ESCC cell metastasis and TOPK promoted the invasion of ESCC cells by activing Src/GSK3β/STAT3, ERK pathway. This means that TOPK may be a potential molecular target for ESCC in clinic.


Cancers ◽  
2021 ◽  
Vol 13 (16) ◽  
pp. 3982
Author(s):  
Yen-Hao Chen ◽  
Hung-I Lu ◽  
Chien-Ming Lo ◽  
Shau-Hsuan Li

Cluster of differentiation (CD)-73 plays pivotal roles in the regulation of immune reactions via the production of extracellular adenosine, and the overexpression of CD73 is associated with worse outcomes in several types of cancers. Here, we identified 167 esophageal squamous cell carcinoma (ESCC) patients who underwent esophagectomy, including 64 and 103 patients with high and low expression levels of CD73, respectively. Univariate and multivariate analyses showed high expression of CD73 was an independent prognostic factor for worse disease-free survival and overall survival. In addition, we selected another cohort consisting of 38 ESCC patients receiving nivolumab or pembrolizumab and found that treatment response and survival benefit to immunotherapy were strongly correlated with the expression levels of CD73/programmed death ligand 1. Moreover, the transwell assay revealed knockdown of CD73 in two ESCC cell lines, TE1 and KYSE30, exhibited significantly reduced abilities of cell invasion and migration. CD73 silencing also showed that the protein expression levels of CD73, vimentin, and snail were downregulated, while those of E-cadherin were upregulated in Western blotting. The findings of our study indicate CD73 may be an independent prognostic factor for ESCC patients who underwent esophagectomy. Furthermore, it may be associated with the patient responses to immunotherapy.


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