Antimicrobial peptide mSshep 1 from rockfish S. schlegelii showed broad-spectrum antimicrobial activity combined with anti-inflammatory properties, demonstrating dual-function host defense.
Kill + calmmSshep 1 simultaneously kills pathogens AND reduces the inflammatory damage they cause — addressing both sides of infection
What the researchers found
mSshep 1 from S. schlegelii: broad-spectrum antimicrobial (bacteria, fungi, parasites) combined with anti-inflammatory properties, demonstrating dual-function host defense peptide activity.
Why it matters
Infections cause damage from both pathogens and inflammation. A peptide fighting both simultaneously could improve clinical outcomes.
How the study worked
Isolation and characterization of mSshep 1, antimicrobial spectrum testing, anti-inflammatory assays, and mechanism studies.
What this study cannot tell us
In vitro characterization. In vivo dual function not confirmed.
How to read the evidence
Comprehensive in vitro characterization of dual function.
When this study was published
Published in 2025.
The bigger picture
Dual antimicrobial-anti-inflammatory peptides represent the ideal anti-infective: killing pathogens while protecting the host from inflammatory tissue damage.
Questions still open
- Would the anti-inflammatory effect reduce antibiotic-associated tissue damage?
- Can mSshep 1 be used as an anti-inflammatory agent independent of its antimicrobial role?
- How does it compare to other dual-function AMPs?
Common questions
Why is anti-inflammatory activity important for an antibiotic?
What organisms does this peptide kill?
Read the original research
Antimicrobial peptide mSshep 1 from Sebastes schlegelii combines broad-spectrum antibacterial activity, membrane-disruptive mechanism and in vivo protective efficacy.
Fish & shellfish immunology, 171, 111192
Citation
Jing, Hao; Wang, Guang-Hua; Yang, Kai; Chen, Zi-Yue; Zhu, Zhi-Shu; Sun, Nuo; Du, Yi-Lin; Wang, Zi-Qi; Zhang, Min. (2026). Antimicrobial peptide mSshep 1 from Sebastes schlegelii combines broad-spectrum antibacterial activity, membrane-disruptive mechanism and in vivo protective efficacy.. Fish & shellfish immunology, 171, 111192. https://doi.org/10.1016/j.fsi.2026.111192