Clinical Significance of VEGF-C and COX-2 Expression in Gastric Carcinoma with Submucosal Invasion

점막하 침윤 조기위암 환자에서 VEGF-C와 COX-2 발현의 임상적 의의

  • Cho, Yun-Jung (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Lee, Jung-Uee (Department of Hospital Pathology, The Catholic University of Korea College of Medicine) ;
  • Lee, Kwan-Ju (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Park, Cho-Hyun (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Park, Seung-Man (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Jeon, Hae-Myung (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Ahn, Chang-Joon (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Kim, Jeong-Goo (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Lee, Dong-Ho (Department of Surgery, The Catholic University of Korea College of Medicine) ;
  • Lee, Sang-Chul (Department of Surgery, The Catholic University of Korea College of Medicine)
  • 조윤정 (가톨릭대학교 의과대학 외과학교실) ;
  • 이정의 (가톨릭대학교 의과대학 병원병리학교실) ;
  • 이관주 (가톨릭대학교 의과대학 외과학교실) ;
  • 박조현 (가톨릭대학교 의과대학 외과학교실) ;
  • 박승만 (가톨릭대학교 의과대학 외과학교실) ;
  • 전해명 (가톨릭대학교 의과대학 외과학교실) ;
  • 안창준 (가톨릭대학교 의과대학 외과학교실) ;
  • 김정구 (가톨릭대학교 의과대학 외과학교실) ;
  • 이동호 (가톨릭대학교 의과대학 외과학교실) ;
  • 이상철 (가톨릭대학교 의과대학 외과학교실)
  • Published : 2009.09.30

Abstract

Purpose: Lymph node metastasis is an important factor in determining prognosis and therapeutic options for early gastric cancer (EGC) patients. Vascular endothelial growth factor (VEGF)-C and D are known as lymphangiogenic factors, and cyclooxygenase (COX)-2 is thought to play a role in lymph node metastasis in gastric carcinoma. This study was designed to determine whether the expression of VEGF-C, VEGF-D, and COX-2 is associated with clinicopathologic factors, especially lymph node metastasis in EGCs invading the submucosa. Materials and Methods: Tissue samples were obtained from 85 Patients undergoing standard gastrectomy with lymph node dissection between 1991 and 2007 in the Department of Surgery of Daejeon St. Mary's Hospital in Daejeon, Korea. All patients were diagnosed with gastric cancers and submucosal invasion. We examined the expression of VEGF-C, VEGF-D, and COX-2 using immunohistochemical methods. Results: Of the 85 patients, 16 (18.8%) had lymph node metastasis. VEGF-C, VEGF-D, and COX-2 were positively expressed in 34.1% (29/85), 22.3% (19/85), and 37.6% (32/85) of the patients. VEGF-C and COX-2 expression was significantly correlated with lymph node metastasis (P<0.05). A positive correlation existed between VEGF-C and COX-2 expression (P< 0.001). Conclusion: VEGF-C and COX-2 expression is associated with lymph node metastasis in gastric cancer with submucosal invasion. VEGF-C and COX-2 may thus be predictive markers for lymph node metastasis in EGC patients with submucosal invasion.

목적: Vascular endothelial growth factor (VEGF)-C와 -D 및 Cyclooxygenase (COX)-2는 위암에서 림프절 전이와 연관이 있다고 알려져 있다. 이에 저자들은 점막하 침윤 조기위암에서 VEGF-C와 -D 및 COX-2의 발현과 림프절 전이 등을 포함하는 다양한 임상병리학적 인자와의 관련성을 알아 보고자 하였다. 대상 및 방법: 1991년 1월부터 2007년 10월까지 본원에서 점막하 침윤 조기위암으로 수술을 시행 받은 85명의 환자를 대상으로 VEGF-C, -D 및 COX-2와 VEGF-C에 대한 면역 조직화학 염색을 시행하였다. 염색의 결과에 따라 환자군을 나누어 다양한 임상병리학적 인자와의 연관성을 조사하였고, 또 이 세 가지 인자들 상호 간의 연관 관계를 분석하였다. 결과: 전체 85명의 환자 중 16명이 림프절 전이가 있었다(18.8%). VEGF-C는 34.1% VEGF-D는 22.3% 그리고 COX-2는 37.6%가 양성으로 판정되었다. 이 중 VEGF-C와 COX-2 모두 림프절 전이와 유의한 상관관계를 보였고(P<0.001, P=0.023). VEGF-D와 연관성을 보이는 인자는 확인하지 못하였다. 또 VEGF-C와 COX-2의 발현은 밀접한 상관관계를 보였다(P=0.001). 결론: 점막하 침윤 조기위암에서 VEGF-C와 COX-2는 림프절 전이와 연관이 있고, 따라서 이 두 인자가 점막하 침윤 조기위암의 림프절 전이를 예측하는 인자로서의 가능성이 있다고 할 수 있겠다.

Keywords

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