• 1.Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China;;
  • 2.Department of Gynecology and Obstetrics, West China The Second Hospital, Sichuan University, Chengdu 610041, China;;
  • 3.Department of Anal-Colorectal Surgery, West China Hospital, Sichuan University, Chengdu 610041, ChinaCorresponding Author: HU Jian-kun, E-mail: hujkwch@126.com;
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Objective To investigate the expressions of tumor necrosis factor related apoptosis inducing ligand (TRAIL) and its receptors (DR4, DcR1) in human rectal cancer tissues and normal rectal tissues. MethodsThe expressions of TRAIL and its receptors (DR4, DcR1) in 31 cases of human rectal cancer tissues and 20 cases of normal rectal tissues were detected by immunohistochemical staining. ResultsThe positive expression rates of TRAIL, DR4 and DcR1 (32.26%, 29.03%, 0) were lower than those of normal rectal tissues (55.00%, 70.00%, 65.00%), the difference was statistically significant(P=0.015, P=0.000, P=0.000). There were no relation between the expressions of TRAIL, DR4 and DcR1 and clinicopathologic characteristics (P gt;0.05). ConclusionThe expressions of TRAIL and its receptors (DR4, DcR1) in human rectal cancer tissues were lower than those of normal rectal tissues, which may suggest that the apoptotic effect induced by the interaction between TRAIL and its receptors has attenuated in human rectal cancer.

Citation: HU Jiankun,YANG Kun,LI Chunmei,ZHOU Zongguang,ZHANG Bo,YU Yongyang,CHEN Xinzu,LI Li,CHEN Zhixin,CHEN Jiaping.. Expressions of TRAIL and Its Receptors in Rectal Cancer Tissue. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2009, 16(2): 137-140. doi: Copy