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题目:
Detection of serum gastric cancer-associated MG7-Ag from gastric cancer patients using a sensitive and convenient ELISA method.
作者:
Jin(Bin),Wang(Xin),Jin(Yan),Xia(Wensen),Chen(Bei),Liu(Lin),Chen(Zheng),Hong(Liu),Du(Wenqi),Yan(Kun),Wang(Honghong),Yuan(Donghong),Hui(Xiaoli),He(Li),Zhang(Faming),Zhao(Yunping),Wu(Kaichun),Fan(Daiming)
状态:
发布时间2009-02-24 , 更新时间 2012-09-10
期刊:
Cancer Invest
摘要:
To seek a high sensitive and convenient method for early diagnosis of gastric cancer by testing MG7-Ag in serum of gastric cancer patients and some other control groups using a convenient ELISA method.,The expression of serum MG7-Ag was detected in 116 preoperative gastric cancer patients, 63 postoperative gastric cancer patients, 78 precancerous lesion patients, 50 healthy blood donors and patients of other cancers by a convenient ELISA method. For comparison, serum CEA, CA 50, CA 19-9 and TAG-72 were also detected in preoperative gastric cancer patients. Meanwhile, the expression of MG7-Ag was detected by immunohistochemical analysis in the groups of patients with gastric cancer or precancerous lesion mentioned above.,The positive rate of Mg7-Ag determined by ELISA was 83. 6% of preoperative gastric cancer patients, 54.8% of lung cancer patients, 45.5% of rectal cancer patients, 17.6% of colonic cancer patients, 14.2% of breast cancer patients, 47.6% of postoperative gastric cancer patients, 12.8% of precancerous lesions patients and 0% of healthy blood donors, respectively. The sensitivity of ELISA (83.6%) was found to be similar with that of immunohistochemistry (94%, p > 0. 01), while the false positive rate was lower (12.8% vs. 51.3%). MG7-Ag expression level in gastric cancer was correlated with tumor differentiation (p < 0. 01) and pathological stage (p < 0. 01).,This ELISA method may be a non-invasive candidate method for screening of large population with high risk of gastric cancer.
语言:
eng
DOI:
10.1080/07357900802175609

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