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Updated: Aug 9, 2026

Quantitative Polymerase Chain Reaction (qPCR)-Based Rapid Diagnosis of Helicobacter pylori Infection and Antibiotic Resistance
Published on: July 28, 2023
Unique susceptibility of Helicobacter pylori to simethicone emulsifiers in alimentary therapeutic agents
1Gastroenterology Division, New England Medical Center Hospital, Boston, Massachusetts 02111, USA.
Abstract:
Helicobacter pylori is killed in vitro by polyoxyethylene acyl esters and ethers similar to simethicone emulsifiers in therapeutic antifoams. The MBC of these compounds for Helicobacter pylori was less than 20 micrograms/ml, while other gram-negative bacteria were unaffected by much higher concentrations of up to 50 mg/ml.
Insights
Polyoxyethylene acyl esters and ethers, similar to simethicone antifoams, effectively kill Helicobacter pylori in vitro. These compounds show potent antimicrobial activity against H. pylori at low concentrations, sparing other bacteria.
Area of Science:
- Microbiology
- Antimicrobial Agents
Background:
- Helicobacter pylori is a significant human pathogen.
- Developing novel antimicrobial agents is crucial for combating H. pylori infections.
Purpose of the Study:
- To investigate the in vitro antimicrobial activity of polyoxyethylene acyl esters and ethers against Helicobacter pylori.
Main Methods:
- In vitro susceptibility testing was performed.
- Minimum Bactericidal Concentration (MBC) was determined for Helicobacter pylori.
- Comparative analysis against other gram-negative bacteria was conducted.
Main Results:
- Polyoxyethylene acyl esters and ethers demonstrated potent bactericidal activity against Helicobacter pylori.
- The MBC for H. pylori was found to be less than 20 µg/ml.
- Other gram-negative bacteria were not significantly affected by concentrations up to 50 mg/ml.
Conclusions:
- Polyoxyethylene acyl esters and ethers exhibit selective and potent antimicrobial effects against Helicobacter pylori.
- These compounds represent potential therapeutic agents for H. pylori eradication.
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