High SLC17A9 expression correlates with poor survival in gastric carcinoma.

Aim: To elucidate the clinicopathological significance and prognostic value of SLC17A9 expression in gastric carcinoma (GC). Methods:SLC17A9 mRNA level and its relationship with TP53 mutation was analyzed. SLC17A9 protein expression was examined by immunohistochemistry in 161 patients. Results:SLC17A9 mRNA and protein expression were higher in GC tissues than in adjacent normal tissues (p < 0.01). SLC17A9 mRNA expression was higher in GC tissues having mutated TP53 than in tissues with wild-type TP53 (p < 0.001). High SLC17A9 expression was also significantly associated with poor overall survival and recurrence-free survival and was also found to be an independent prognostic factor for long-term survival in GC patients.Conclusion: Our results show that SLC17A9 may serve as a potential prognostic biomarker in GC patients.

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