Expression of nm23 in the primary tumor and the metastatic regional lymph nodes of patients with gastric cardiac cancer.
Tumor recurrence and distant metastasis are major causes of treatment failure in gastric cardiac cancer (GCC). Rapid growth of tumor cells and reduced expression of nm23, a metastatic suppressor gene, in tumor cells have been suggested as two important mechanisms for disease progression of GCC. Therefore, to determine the prognostic value of nm23 expression in GCC, we used immunohistochemistry to examine the expression of nm23 in the pathological sections of both gastric cancer and metastatic lymph nodes from 24 stage III patients. Twenty-two patients had total gastrectomy, and two patients had proximal subtotal gastrectomy with a D2 dissection. Postoperative adjuvant therapy was provided, and the clinical responses were followed routinely. Clinical correlation was evaluated by chi2 with Fisher's exact test and survival by log-rank test. Our results show that the reduced nm23 expression in the primary tumor and in the nodal metastasis is the most useful marker for the poor prognosis of GCC following surgery.
Hsu
N Y
NY
Division of Chest Surgery, Kaohsiung Chung Gang Memorial Hospital, Taiwan, Republic of China. 440506@ms15.hinet.net
Chow
K C
KC
Chen
W J
WJ
Lin
C C
CC
Chou
F F
FF
Chen
C L
CL
D000328:Adult; D000368:Aged; D014408:Biomarkers, Tumor / Q000096:biosynthesis*; D002299:Cardia; D017024:Chemotherapy, Adjuvant; D005260:Female; D005743:Gastrectomy; D006338:Heart Neoplasms / Q000378:metabolism* / Q000401:mortality / Q000556:secondary; D006801:Humans; D008198:Lymph Nodes / Q000378:metabolism; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D020559:Monomeric GTP-Binding Proteins; D054778:NM23 Nucleoside Diphosphate Kinases; D009367:Neoplasm Staging; D009701:Nucleoside-Diphosphate Kinase; D011379:Prognosis; D013274:Stomach Neoplasms / Q000378:metabolism* / Q000401:mortality / Q000473:pathology / Q000601:surgery; D015996:Survival Rate; D014157:Transcription Factors / Q000096:biosynthesis*
D014408:Biomarkers, Tumor; D054778:NM23 Nucleoside Diphosphate Kinases; D014157:Transcription Factors; C517938:NME1 protein, human; D009701:Nucleoside-Diphosphate Kinase; D020559:Monomeric GTP-Binding Proteins