HES1 as an Independent Prognostic Marker in Esophageal Squamous Cell Carcinoma

被引：29

作者：

Taleb S. ^{[1
,2
]}

Abbaszadegan M.R. ^{[3
]}

Moghbeli M. ^{[2
]}

Roudbari N.H. ^{[1
]}

Forghanifard M.M. ^{[4
]}

机构：

[1] Department of Biology, Sciences and Research Branch, Islamic Azad University, Tehran

[2] Division of Human Genetics, Immunology Research Center, Avicenna Research Institute, Mashhad University of Medical Sciences, Mashhad

[3] Medical Genetics Research Center, Medical School, Mashhad University of Medical Sciences, Mashhad

[4] Department of Biology, Damghan Branch, Islamic Azad University, Cheshmeh-Ali Boulevard, Sa’dei Square, P.O. Box: 3671639998, Damghan

来源：

Journal of Gastrointestinal Cancer | 2014年 / 45卷 / 4期

关键词：

ESCC; HES1; Iran; Notch signaling pathway; Real-time PCR; Tumor;

D O I：

10.1007/s12029-014-9648-1

中图分类号：

学科分类号：

摘要：

Results: Thirteen out of 50 cases (26 %) had HES1 underexpression, while HES1 overexpression was observed only in 4 (8 %) samples. HES1 underexpression was significantly correlated with tumor depth of invasion (P = 0.035).; Background: Notch signaling is one of the main involved pathways in cell differentiation and organogenesis, and its deregulation may lead to tumorigenesis. In this pathway, targeted to the CSL (CBF1, Suppressor of Hairless or Lag-1) complex, notch intracellular domain (NICD) releases corepressors and recruits MAML1 as coactivator triggering the activation of notch signaling transcription complex. Hairy enhance of split-1 (HES1) is one of the notch signaling target genes which is a basic helix-loop-helix (bHLH) transcription factor acting as a proliferation stimulator through the suppression of cell cycle inhibitors such as p27 and p21.; Aims: In this study, we aimed to analyze the role of HES1 in the progression of esophageal squamous cell carcinoma (ESCC).; Methods: Messenger RNA (mRNA) expression of HES1 in fresh tumoral tissues and their margin normal samples were assessed in 50 ESCC patients by real-time polymerase chain reaction (RT-PCR).; Conclusion: Although we have not observed any significant correlation between the HES1 expression and notch activation in ESCC, this study is the first report that elucidated the HES1 underexpression in ESCC and revealed its correlation with the invasiveness of ESCC. © 2014, Springer Science+Business Media New York.

引用

页码：466 / 471

页数：5

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