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Updated: Aug 5, 2026

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Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
Published on: February 16, 2024
Emerging insights in gastric cancer pathogenesis
Luderve Rosier1, Katherine S Garman2,3
1Department of Medicine.
Current Opinion in Gastroenterology
|July 28, 2026
Summary
Gastric cancer (GC) risk involves complex interactions beyond Helicobacter pylori (Hp) infection. Understanding microbial, genetic, and environmental factors is key for effective prevention and early detection strategies.
Area of Science:
- Gastroenterology
- Oncology
- Microbiome Research
Background:
- Gastric cancer (GC) remains a significant global health challenge, with Helicobacter pylori (Hp) as a primary risk factor.
- However, not all Hp-infected individuals develop GC, indicating multifactorial influences on gastric carcinogenesis.
Purpose of the Study:
- To review current understanding of GC pathogenesis, incorporating recent findings on contributing factors.
- To discuss the implications of these insights for GC risk stratification, screening, surveillance, and prevention.
Main Methods:
- This review synthesizes recent scientific literature and emerging evidence.
- Focuses on the interplay of microbial, genetic, environmental, and host immune factors in GC development.
Main Results:
- Chronic Hp infection causes irreversible gastric mucosal changes, emphasizing early detection and treatment benefits.
- Emerging research links other microbes, host genetics (e.g., CDH1, CTNNA1), and environmental factors (alcohol, acid-blocking drugs) to GC risk.
- Treating Hp in younger populations may offer the most significant GC risk reduction.
Conclusions:
- Gastric carcinogenesis is a complex process driven by interactions between the gastric microbiome, host genetics, immune responses, and environmental exposures.
- A comprehensive understanding of these multifactorial elements is crucial for advancing clinical prevention and early detection of GC.
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