Abstract：
BACKGROUND & AIMS:Improving methods for early detection of gastric cancer could reduce mortality. Measurements of serum pepsinogen levels have been used for screening in Japan without satisfactory levels of sensitivity or specificity. Trefoil factor family (TFF) proteins (TFF1, TFF2, and TFF3) are small and stable molecules secreted by the mammalian gastrointestinal tract. Foveolar hyperplasia, spasmolytic polypeptide (TFF2)-expressing metaplasia, and intestinal metaplasia are histologic changes observed in patients with atrophic gastritis; they express TFF1, TFF2, and TFF3, respectively. We investigated whether serum levels of TFF can be used as markers for gastric cancer screening. METHODS:Serum was collected from 183 patients with gastric cancer and 280 healthy individuals without cancer. Serum levels of anti-Helicobacter pylori immunoglobulin G, pepsinogen I, pepsinogen II, TFF1, TFF2, and TFF3 were measured by enzyme-linked immunosorbent assay and associated with gastric cancer. RESULTS:Using a cutoff of 3.6 ng/mL, the level of TFF3 was significantly increased in serum samples from patients with cancer (odds ratio, 18.1; 95% confidence interval, 11.2-29.2); using this test, patients with cancer were identified with 80.9% sensitivity and 81.0% specificity. The test for TFF3 had a significantly higher odds ratio than that for pepsinogen. A test for the combination of TFF3 and pepsinogen had better results than the test for only pepsinogen. CONCLUSIONS:Serum levels of TFF3 are a better marker of gastric cancer than pepsinogen; a test for the combined levels of serum pepsinogen and TFF3 could improve gastric cancer screening.
journal_name
Gastroenterologyjournal_title
Gastroenterologyauthors
Aikou S,Ohmoto Y,Gunji T,Matsuhashi N,Ohtsu H,Miura H,Kubota K,Yamagata Y,Seto Y,Nakajima A,Goldenring JR,Kaminishi M,Nomura Sdoi
10.1053/j.gastro.2011.05.040subject
Has Abstractpub_date
2011-09-01 00:00:00pages
837-845.e1-7issue
3eissn
0016-5085issn
1528-0012pii
S0016-5085(11)00705-0journal_volume
141pub_type
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