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Chinese Journal of Digestive Surgery ; (12): 177-180, 2012.
Article in Chinese | WPRIM | ID: wpr-418328

ABSTRACT

ObjectiveTo detect the expressions of orotate phosphoribosyl transferase (OPRT) and dihydropyrimidine dchydrogenase (DPD) mRNA in gastric cancer tissues,and investigate their relationship with the clinicopathological factors.MethodsThe gastric cancer tissues and adjacent normal tissues were collected from 53 patients with gastric cancer at the Affiliated Hospital of Inner Mongolia Medical College from June 2007 to November 2008.The mRNA expressions of OPRT and DPD were detected by reverse transcriptional-polymerase chain reaction,and the correlation between the mRNA expressions of OPRT and DPD and the clinicopathological factors was analyzed.All data were analyzed by using the t test and the one-way analysis of variance.Results The mRNA expression of OPRT in the gastric cancer tissue was 1.15 ± 0.56,which was significantly higher than 0.88 ± 0.31 in the adjacent normal tissues ( t =3.66,P < 0.05 ).The mRNA expressions of DPD in gastric cancer tissues and the adjacent normal tissues were 0.95 ± 0.50 and 0.90 ± 0.41,respectively,with no significant difference between the 2 groups (t =0.68,P > 0.05 ).The mRNA cxprcssions of OPRT in the gastric cancer tissues with no lymph node metastasis was 1.42 ± 0.54,which was significantly higher than 1.00 ± 0.52 in the gastric cancer tissues with lymph node metastasis (t =7.94,P < 0.05 ).Poorly differentiated adenocarcinoma (0.93 ± 0.24) and mucinous adenocarcinoma (1.58 ± 0.38) showed a significantly higher DPD mRNA expression than moderately differentiated or well differentiated adenocarcinoma ( 0.67 ± 0.36 ) ( F =27.71,P < 0.05 ).Conclusions The mRNA expre ssion of OPRT in gastric cancer tissue is higher than that in the adjacent normal tissues,and its expression in patients with lvmph node metastasis is lower than that in patients without lymph node metastasis.Poorly differentiated adenocarcinoma showed higher DPD mRNA expression than moderately or well differentiated adenocarcinoma,and its expression is highest in mucinous adenocarcinoma.

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