J Korean Surg Soc.  2004 Jul;67(1):25-30.

The Influence of Expressions of Cyclin B1 and D1 on Clinicopathologic Prognostic Factors and Survival Rate in Gastric Cancer

Affiliations
  • 1Department of Surgery, College of Medicine, Chung-Ang University, Seoul, Korea. kcci@cau.ac.kr
  • 2Department of Pathology, College of Medicine, Chung-Ang University, Seoul, Korea.

Abstract

PURPOSE
Disturbance in normal cell cycles by cell cycle control factors is an important process of cancer carcinogenesis. The aims of this dissertation were identify the influence of cyclin B1 and D1 on the growth and expression of gastric cancer and their effects on the prognosis. METHOD: The subjects were 128 patients selected from those who underwent gastric surgery for their gastric cancer between January 1995 and December 1998. Immunohistochemical staining was conducted for cyclin B1 and D1 using paraffin embedded tissues, followed by analysis of their protein expressions, possible prognostic factors and survival rate. RESULTS: Cyclin B1 expression was founded in 48 of the 128 patients (37.5%), and that of cyclin D1 in 96 (75%). Both cyclin B1 and D1 showed no statistical significance with T-stage, location of tumors or histologic types. However, for the case of any significance with lymph node metastasis, the higher the N-stage, the greater was the expression of cyclin B1 (P=0.014). For the case of any significance with life term, the Kaplan-Meier method showed the greater the expression of cyclin B1, the shorter the life term (P=0.042). CONCLUSION: An association was indicated between cyclin B1 and lymph node metastasis in gastric cancer, but has no relation with the T-stage, histologic type or location of tumors. Cyclin D1 shows no association with lymph node metastasis, T-stage, histologic type or location of tumors. However, cyclin B1 showed a significant association with the survival rate.

Keyword

Gastric cancer; Cyclin B1; Cyclin D1; Prognostic factor

MeSH Terms

Carcinogenesis
Cell Cycle
Cell Cycle Checkpoints
Cyclin B1*
Cyclin D1
Cyclins*
Humans
Lymph Nodes
Neoplasm Metastasis
Paraffin
Prognosis
Stomach Neoplasms*
Survival Rate*
Cyclin B1
Cyclin D1
Cyclins
Paraffin
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