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Expression of CD44v6 and Livin in gastric cancer tissue.
MedLine Citation:
PMID:  22932199     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: CD44v6 plays an important role in invasion and metastasis of tumor, Livin has anti-apoptotic effects. The present study aimed to explore the expression and clinical significance of CD44v6 and Livin in gastric cancer tissue.
METHODS: Streptavidin-peroxidase linked immunohistochemical method was used to determine the expression of CD44v6 and Livin in gastric cancer tissue and adjacent normal gastric tissues from 59 patients with histopathologically confirmed gastric cancer, and in gastric tissue specimens of 15 patients with gastric polyps, and 15 patients with chronic non-atrophic gastritis. The chi-square test was used for comparison of the relevant factors, Spearman's rank correlation test was applied for relationship among positive expression of the proteins.
RESULTS: The expresion of CD44v6 was positive in 64.4% of the gastric cancer patients; 5.1%, 0 and 13.3% in specimens of normal tissues adjacent to the cancer tissues, in gastric tissue specimens of patients with gastric polyps, and patients with chronic non-atrophic gastritis, respectively. The expression of Livin was positive in 52.5% of the gastric cancer tissues, 6.8%, 0 and 6.7% in the adjacent normal gastric tissue, specimens of patients with gastric polyps and chronic non-atrophic gastritis, respectively. The expression of CD44v6 was significantly correlated with the depth of invasion, the degree of differentiation, and lymphnode metastasis of gastric cancer (P < 0.05). The positive expression rate of Livin protein was also significantly correlated with degree of differentiation of gastric cancer cells and metastasis to lymphnodes (P < 0.05), but not correlated with the depth of invasion and pathological types (P > 0.05). The expression of CD44v6 and Livin in the gastric cancer tissue was positively correlated (r(s) = 0.286, P = 0.028).
CONCLUSIONS: The increased expression of CD44v6 and Livin in gastric cancer tissue may be closely related with development and progression of gastric cancer. CD44v6 and Livin may be new biological markers of gastric cancer.
Yi-Zhi Liang; Tai-Yong Fang; Hai-Gang Xu; Zhi-Qiang Zhuo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chinese medical journal     Volume:  125     ISSN:  0366-6999     ISO Abbreviation:  Chin. Med. J.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7513795     Medline TA:  Chin Med J (Engl)     Country:  China    
Other Details:
Languages:  eng     Pagination:  3161-5     Citation Subset:  IM    
Department of Gastroenterology, Second Affiliated Hospital, Fujian Medical University, Quanzhou, Fujian 362000, China.
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