Down-regulated Expression of ATG5 in Colorectal Cancer

被引:4
|
作者
Cho, Dong-Hyung [1 ]
Jo, Yoon Kyung [1 ,2 ]
Kim, Seung Cheol [2 ,3 ]
Park, In Ja [3 ]
Kim, Jin Cheon [2 ,3 ]
机构
[1] Kyung Hee Univ, Grad Sch EW Med Sci, Yongin 446701, Gyeonggi Do, South Korea
[2] Asan Med Ctr, Inst Innovat Canc Res, Seoul, South Korea
[3] Univ Ulsan, Coll Med, Dept Surg, Seoul, South Korea
基金
新加坡国家研究基金会;
关键词
ATG5; autophagy; colorectal cancer; tumor suppressor; LVI; AUTOPHAGY; GENE; TUMORIGENESIS; DEFICIENT; ROLES;
D O I
暂无
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
The role of autophagy in tumor development is paradoxical. Although some genetic evidence has indicated that autophagy has as a tumor suppressor function, it also provides some advantages to tumors under metabolic stress conditions. Autophagy is regulated by several autophagy-related gene (ATG) proteins. In mammals, 16 different ATG genes have been identified. To investigate the clinicopathological role of ATG5 in colorectal cancer, we firstly investigated its expression in patients with sporadic colorectal cancer. Expression analysis revealed ATG5 to be strongly down-regulated in colorectal cancer (38140 patients). Interestingly, immunohistochemical analysis of colorectal cancer tissues indicated that increased ATG5 expression is associated with lymphovascular invasion (p=0.035). The findings in our limited clinical cohort indicate that ATG5 could be a potential prognostic or diagnostic biomarker.
引用
收藏
页码:4091 / 4096
页数:6
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