What question did this study set out to answer?

The research aims to develop a targeted nucleic acid delivery system to combat multidrug-resistant Staphylococcus aureus infections.

March 24, 2026Open Access

Tetrahedral framework nucleic acid delivery of emodin enables precision antibacterial and anti-inflammatory therapy for drug-resistant Staphylococcus aureus

PJPeitong JiangChangchun University of Chinese Medicine LWLi WangGuangzhou University of Chinese Medicine YSYun SunChangchun University of Chinese Medicine

Key Points

The research aims to develop a targeted nucleic acid delivery system to combat multidrug-resistant Staphylococcus aureus infections.
Utilized a tetrahedral framework nucleic acid platform for drug delivery
Incorporated aptamers to target specific bacterial strains
Evaluated antimicrobial efficacy against biofilm-producing bacteria
Assessed immunomodulatory effects in skin infection models.
Demonstrated effective delivery of emodin, an antimicrobial agent
Significantly disrupted biofilm formation associated with bacterial infections
Showed improved anti-inflammatory response in host tissues

Abstract

Overall, this study establishes an aptamer-targeted nucleic acid nanoplatform that integrates antimicrobial delivery, biofilm disruption, and host immunomodulation, offering a promising therapeutic strategy for multidrug-resistant S. aureus skin infections.

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