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1.
Journal of Modern Laboratory Medicine ; (4): 110-112, 2017.
Article in Chinese | WPRIM | ID: wpr-610900

ABSTRACT

Objective To investigate the clinical value of serum glycyl-proline dipeptidyl aminopeptidase(GPDA)combined with carcino-embryonic antigen (CEA),carbohydrate antigen724 (CA724),carbohydrate antigen242 (CA242) in the early diagnosis of gastric cancer.Methods Collected in Changan hospital in patients with gastric cancer and atrophic gastritis patients and healthy subjects 60 cases,by TBA-120FR biochemical analyzer glycyl-proline dipeptidyl aminopeptidase (GPDA),chemiluminescence analyzer to detect the levels of serum CEA,CA724 and CA242,analysis of single detection and joint detection and the differences between the positive rate and sensitivity.Results The detection of GPDA in gastric cancer group was significantly lower than that in atrophic gastritis group and healthy control group,the difference was statistically significant (F=69.532,P=0.000).The results of CEA,CA724 and CA242 in gastric cancer group were higher than those in atrophic gastritis group and healthy control group,the difference was statistically significant (CEA:F=59.926,P=0.001;CA724:F=51.056,P =0.001;CA242:F =72.613,P =0.000).Serum GPDA,CEA,CA724 and CA242 single detection positive rate were 70 %,45 %,61.7 % and 50 %.Tumor markers CEA,CA724,CA242 positive rate of three joint detection was 75%.Serum GPDA and tumor markers of CEA,the positive rate of CA724 and CA242 combined detection of four was 86.7%.The positive rate of three and higher than that of single detection,the difference was statistically significant (F=49.635,P=0.003).Serum GPDA,CEA,CA724 and CA242 single detection sensitivity was 70.2 %,50.2 %,67.3 % and 53.2%.Tumor markers CEA,CA724,CA242 three joint detection sensitivity was 85.6%.Serum GPDA and tumor markers CEA,CA724 and CA242 four joint detection sensitivity was 90.3%.The sensitivity was higher than the three items and the individual tests,and the difference was statistically significant (F=52.016,P =0.001).Conclusion GPDA joint CEA,CA724 and CA242 tumor markers detection can improve the positive rate and sensitivity in early diagnosis of gastric cancer,but it will not reduce the diagnostic specificity,the clinical diagnosis of early gastric cancer has important significance and value.

2.
Chinese Journal of Practical Internal Medicine ; (12)2000.
Article in Chinese | WPRIM | ID: wpr-566521

ABSTRACT

Objective To study the clinical value of serum SA,EMA and GPDA in the diagnosis of gastric cancer.Methods To detect serum SA,EMA and GPDA in 30 patients with gastric cancer patients,25 patients with gastric precancerous lesions and 35 patients with non-atrophic gastritis with electronic gastroscope and pathological examination confirmed,compared the differences betwwen the groups,and analyze the relationship between the expressions of them and clinical biology of gastric carcinoma.Results The serum concentrations of SA and GPDA in gastric carcinoma are remarkably higher than those in non-atrophic gastritis and gastric precancerous lesions(P0.05).The concentrations of GPDA in non-atrophic gastritis group are age-related(P0.05).Conclusion It has an important reference value for the diagnosis of gastric cancer to detect serum SA and GPDA.SA and GPDA together can improve the accuracy of the diagnosis of gastric cancer.EMA serum possibly has no diagnostic value for gastric cancer.The expressions of SA,GPDA in serum are related to the biology behaviors of gastric carcinoma,and the concentrations of SA,GPDA in serum is helpful in judging metastasis and recrudescence,and monitoring prognosis.

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