Self-Assembling Peptide "BATMAN" Nanoparticle Fights Deadly Post-Sepsis Infections
A self-assembling peptide nanoparticle targets bacteria while simultaneously rejuvenating exhausted immune cells to fight sepsis-related secondary infections.
Quick Facts
What This Study Found
BATMAN peptide nanoparticle simultaneously targets bacteria and rejuvenates immunosuppressed macrophages via tuftsin-FcγR signaling in preclinical sepsis.
Key Numbers
Components: ubiquicidin (bacteria-targeting), cholesteryl hemisuccinate (lipase-sensitive), FFVLK (assembly), tuftsin (immune activation); tested in mouse sepsis model.
How They Did This
Self-assembling peptide nanoparticle design with preclinical evaluation in sepsis-associated secondary infection models.
Why This Research Matters
Sepsis kills millions annually and secondary infections are the leading cause of late sepsis deaths — this dual-action approach addresses both problems.
The Bigger Picture
This represents a new paradigm in sepsis treatment — fighting infection while simultaneously repairing the damaged immune system.
What This Study Doesn't Tell Us
Preclinical study — human sepsis is highly heterogeneous and may respond differently. Manufacturing complexity of multi-domain peptide nanoparticles.
Questions This Raises
- ?Can BATMAN be manufactured at scale for clinical trials?
- ?Would it work in different types of secondary infection beyond the models tested?
Trust & Context
- Key Stat:
- Sci Transl Med Dual-action peptide nanoparticle published in a top translational medicine journal
- Evidence Grade:
- High-impact preclinical study in a leading translational journal — compelling proof of concept but requires clinical validation.
- Study Age:
- Published in 2025, introducing a novel multi-functional peptide approach to sepsis.
- Original Title:
- FcγR-targeted tuftsin clusters rejuvenate macrophages in preclinical sepsis-associated secondary infection.
- Published In:
- Science translational medicine, 17(830), eadv0313 (2025)
- Authors:
- Qing, Guangchao, Zhang, Yuxuan, Wang, Yongchao, Li, Xianlei, Luo, Ting, Zhang, Fuxue, Ni, Qiankun, Hu, Runjing, Shan, Shaobo, Zhang, Hong, Yuan, Rui, Gan, Yaling, Liang, Xing-Jie, Luo, Yang
- Database ID:
- RPEP-13148
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
What is BATMAN in this context?
An acronym for Bacteria-Targeted Transformable Macrophage Nanorejuvenator — a self-assembling peptide nanoparticle that fights both bacteria and immune exhaustion.
Why are secondary infections after sepsis so dangerous?
Sepsis exhausts the immune system, leaving patients unable to fight new infections — BATMAN aims to restore immune function while targeting bacteria directly.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-13148APA
Qing, Guangchao; Zhang, Yuxuan; Wang, Yongchao; Li, Xianlei; Luo, Ting; Zhang, Fuxue; Ni, Qiankun; Hu, Runjing; Shan, Shaobo; Zhang, Hong; Yuan, Rui; Gan, Yaling; Liang, Xing-Jie; Luo, Yang. (2025). FcγR-targeted tuftsin clusters rejuvenate macrophages in preclinical sepsis-associated secondary infection.. Science translational medicine, 17(830), eadv0313. https://doi.org/10.1126/scitranslmed.adv0313
MLA
Qing, Guangchao, et al. "FcγR-targeted tuftsin clusters rejuvenate macrophages in preclinical sepsis-associated secondary infection.." Science translational medicine, 2025. https://doi.org/10.1126/scitranslmed.adv0313
RethinkPeptides
RethinkPeptides Research Database. "FcγR-targeted tuftsin clusters rejuvenate macrophages in pre..." RPEP-13148. Retrieved from https://rethinkpeptides.com/research/qing-2025-fcrtargeted-tuftsin-clusters-rejuvenate
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.