ECCT, a new cathelicidin from the Chinese water snake, inhibits H. pylori growth and shows anti-gastric cancer activity.
Dual actionECCT shows both anti-H. pylori antimicrobial activity and anti-gastric cancer properties
What the researchers found
Snake-derived ECCT peptide shows both anti-H. pylori activity and anti-gastric cancer properties.
Why it matters
H. pylori infects half the world's population and is the primary cause of gastric cancer — new treatment options are urgently needed.
The numbers in context
MIC determined against multiple pathogens; suppressed proinflammatory cytokine transcription; inhibited MAPK pathway.
How the study worked
cDNA cloning, phylogenetic/structural analysis, MIC determination, and anti-H. pylori and anti-cancer testing.
Who was studied
N/A
What this study cannot tell us
In vitro study — bioavailability, stability in gastric acid, and in vivo efficacy need assessment.
How to read the evidence
In vitro discovery study — identifies a promising candidate but far from clinical application.
When this study was published
Published in 2025, expanding the antimicrobial peptide arsenal against H. pylori.
The bigger picture
Snake venom and secretion peptides continue to yield promising drug leads, adding to antimicrobial and anticancer peptide libraries.
Questions still open
- Could ECCT survive the acidic stomach environment to reach H. pylori?
- Is the anti-cancer effect direct or mediated through H. pylori clearance?
Common questions
Can snake peptides treat stomach infections?
Why look to snakes for new antibiotics?
Read the original research
Novel antimicrobial peptide ECCT from Chinese water snake is a potential candidate for the treatment of Helicobacter pylori infection and gastric cancer.
Microbial pathogenesis, 206, 107821
Citation
Qiu, Jie; Shi, Wenzhuang; Qian, Zhenghai; Zhang, Pengyu; Li, Shuangyu; Shen, Genhai; Wang, Yipeng; Li, Bin. (2025). Novel antimicrobial peptide ECCT from Chinese water snake is a potential candidate for the treatment of Helicobacter pylori infection and gastric cancer.. Microbial pathogenesis, 206, 107821. https://doi.org/10.1016/j.micpath.2025.107821