Background/aims: To investigate the expression of vascular endothelial growth factor (VEGF) and somatostatin receptor (SSTR) and their clinicopathological and prognostic value in gastric cancer (GC).
Methodology: The expression of VEGF and SSTR in 107 cases of GC tissue and 30 cases of gastric mucosa were detected by immunohistochemistry. Clinicopathological and prognostic association of VEGF and SSTR in GC was analyzed
Results: The expression of VEGF in GC (70.1%) was significantly higher than that in gastric mucosa (20.0%) The expression of SSTR in GC (62.6%) was significantly lower than that in normal tissues (93.3%). VEGF and SSTR expression were both associated with histological differentiation, depth of invasion, TNM stage, and lymph node metastasis (P < 0.05). The negative expression of VEGF or the positive expression of SSTR was correlated with better overall survival of GC patients. The Cox analysis demonstrated that the expression of VEGF and SSTR, pathological type, TNM stage, and lymph node metastasis were the independent predictors for overall survival in GC (P = 0.005, P = 0.006, P = 0.003, P = 0.002, and P = 0.001, respectively).
Conclusions: The expression of VEGF and SSTR were associated with progression and prognosis of GC.
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