Effect of Allyl-isothiocyanate on Survival and Antimicrobial Peptide Expression Following Oral Bacterial Infections in

Overview

Journal Front Immunol

Specialty Allergy & Immunology

Date 2024 May 28

PMID 38803500

Authors

Christian Zimmermann

Sonja Dahn

Anika E Wagner

Affiliations

Soon will be listed here.

Abstract

Since infections with antibiotic-resistant bacteria cause increasing problems worldwide, the identification of alternative therapies is of great importance. Plant-derived bioactives, including allyl-isothiocyanate (AITC), have received attention for their antimicrobial properties. The present study therefore investigates the impact of AITC on survival and antimicrobial peptide (AMP) levels in challenged with the fly pathogenic bacteria subsp. and . AITC, a sulfur-containing compound derived from glucosinolates, exhibits antimicrobial properties and has been suggested to modulate AMP expression. By using , we demonstrate that AITC treatment resulted in a concentration-dependent decrease of survival rates among female flies, particularly in the presence of the Gram-negative bacterium subsp. , whereas AITC did not affect survival in male flies. Despite the ability of isothiocyanates to induce AMP expression in cell culture, we did not detect significant changes in AMP mRNA levels in infected flies exposed to AITC. Our findings suggest sex-specific differences in response to AITC treatment and bacterial infections, underlining the complexity of host-pathogen interactions and potential limitations of AITC as a preventive or therapeutic compound at least in models of bacterial infections.

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