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Exploring Peripheral Blood Lymphocyte Subsets, Serum Pepsinogen, Gastrin-17, and Helicobacter Pylori Antibody Detection in Gastric Cancer Screening for High-risk Patients
Received date: 2025-01-27
Revised date: 2025-05-10
Accepted date: 2025-08-05
Online published: 2025-11-19
Objective: Exploring the clinical relevance of peripheral blood lymphocyte subsets, serum gastric protease markers (PG Ⅰ, PG Ⅱ), gastrin-17 (G-17), and Helicobacter pylori (HP) antibodies in gastric cancer screening and diagnosis.Methods: We select 158 subjects from 1,326 high-risk outpatients and inpatients who undergo gastric cancer screening through clinical risk stratification assessment, endoscopy, and pathological biopsy conducted from 2018 to 2020 in the local region. These subjects are classified into three groups based on gastroscopic examination and histopathological evaluation: the gastric cancer group with 22 cases, the precancerous lesion group with 29 cases, and the gastritis group with 107 cases. Flow cytometry is employed to analyze peripheral blood T lymphocyte subsets (CD4+T, CD8+T) and CD4+T/CD8+T, B lymphocytes (CD3-CD19+), and NK cells (CD3-(CD16+CD56)+). Fluorescence immunochromatography is utilized to measure serum levels of PG I, PG II, and G-17, as well as to calculate PGR. HP antibodies are detected using the colloidal gold immunoassay method.Results: The statistical results of chi-square and analysis of variance reveal significant differences among multiple groups for HP antibodies, CD4+T, CD8+T, CD4+T/CD8+T, B, PG II, PGR, and age, all of which exhibit statistical significance (P<0.05). In the gastric cancer group, CD8+T levels are higher compared to the other groups, while CD4+T, CD4+T/CD8+T, PGR, and age are lower than in the other groups, demonstrating statistical significance (P<0.05). Multivariate logistic regression analysis indicates that age and HP antibodies are significantly associated with the gastric cancer group (P<0.05). ROC curve analysis for gastric cancer diagnosis shows that the combined detection of multiple biomarkers yields an AUC of 0.896, which exceeds the diagnostic performance of each individual biomarker.Conclusion: The combined detection of peripheral blood lymphocyte subsets and gastric function serological markers demonstrates significant clinical value for the risk assessment and diagnosis of gastric cancer, suggesting its potential for application and clinically valuable for high-risk population screening.
玲 葛
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Exploring Peripheral Blood Lymphocyte Subsets, Serum Pepsinogen, Gastrin-17, and Helicobacter Pylori Antibody Detection in Gastric Cancer
Screening for High-risk Patients
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