Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

H. pylori and amoebae

Kawaguchi, K. et al.

2009

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Summary

This paper, published in Letters in Applied Microbiology, investigates the relationship between Helicobacter pylori — a major human gastric pathogen — and free-living amoebae, which are known to act as environmental hosts for various bacterial pathogens. The study likely contributes to understanding potential environmental reservoirs and transmission routes for H. pylori, an area of ongoing epidemiological uncertainty. Findings may have implications for understanding why H. pylori eradication and reinfection patterns are difficult to fully explain by person-to-person transmission alone.

UK applicability

Whilst the study is unlikely to be UK-specific, the findings are broadly applicable to public health contexts in the UK, where H. pylori infection remains a significant contributor to peptic ulcer disease and gastric cancer risk, and where waterborne or environmental transmission routes are of public health interest.

Key measures

H. pylori survival rates within amoebae; internalisation or co-culture assays; possibly viable cell counts or microscopy observations

Outcomes reported

The study likely examined whether free-living amoebae can harbour or interact with H. pylori, potentially acting as environmental reservoirs or vectors for transmission. Survival, internalisation, or resistance of H. pylori within amoebae may have been assessed.

Theme
Nutrition & health
Subject
Microbiology & infectious disease
Study type
Research
Study design
Laboratory experimental study
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
Catalogue ID
XL0150

Topic tags

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