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Expression and Prognostic Significance of Livin, Caspase-3, and Ki-67 in the Progression of Human Ampullary Carcinoma.
MedLine Citation:
PMID:  23343959     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Livin is a new member of the inhibitor of apoptosis proteins family of proteins that interacts with downstream caspases, such as caspase-3, caspase-7, and caspase-9, however, its role in human ampullary carcinoma has not been clearly defined. Immunohistochemistry was used to evaluate tissue samples from patients with ampullary carcinomas (n=71) using antibodies against livin, Ki-67 (a proliferation marker), and caspase-3. Livin was detected in 33/71 cases (in the cytoplasm of all and in the nucleus of only 2 cases). High livin expression correlated with cell differentiation, tumor-node-metastasis stage, and lymph node metastasis (P=0.001, P<0.001, and P=0.028, respectively). Caspase-3 and Ki-67 expression were significantly associated with differentiation (P<0.001, P=0.008, respectively). There was a significant negative correlation between livin and caspase-3 (r=-0.575, P<0.001), and a positive correlation between livin and Ki-67 (r=0.308, P=0.009). Survival of patients with high livin expression was shorter compared with that of patients with low livin expression (P=0.001). Expression of caspase-3 was not associated with overall survival in this cohort (P=0.335). Livin expression was an independent prognostic factor (hazard ratio 2.693, P=0.017), as was lymph node metastasis (hazard ratio 4.959; P<0.001). In this study livin expression significantly correlated with the proliferation marker Ki-67, but was negatively correlated with caspase-3 expression. These data suggest that livin may be a valuable prognostic factor for human ampullary carcinoma.
Authors:
Dong Xue; Kai Zuo; Xinjun Li; Tongjun Zhang; Hongqiang Chen; Yu Cheng; Yuxin Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-21
Journal Detail:
Title:  Applied immunohistochemistry & molecular morphology : AIMM / official publication of the Society for Applied Immunohistochemistry     Volume:  -     ISSN:  1533-4058     ISO Abbreviation:  Appl. Immunohistochem. Mol. Morphol.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888796     Medline TA:  Appl Immunohistochem Mol Morphol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
*Department of Hepatobiliary Surgery, Qilu Hospital, Shandong University, Ji'nan Departments of †Infectious Diseases ‡Pathology §Hepatobiliary Surgery, The People's Hospital of Binzhou, Binzhou, China.
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