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Peptide History intermediate

History of Antimicrobial Peptide Research

The discovery and development of antimicrobial peptides from defensins to clinical candidates.

By Encyclopeptide Editorial | 1 min read
antimicrobial amp defense history

Overview

Antimicrobial peptides (AMPs) represent an ancient defense mechanism that has inspired modern antibiotic development.

Key Discoveries

  • 1981: Cecropins isolated from silk moths
  • 1985: Defensins characterized in mammals
  • 1987: Magainins found in frog skin
  • 1990s: LL-37 cathelicidin discovered
  • 2000s: First AMP clinical trials
  • 2010s: Engineered AMPs enter development

Challenges

Despite potent in vitro activity, most AMPs have failed in clinical trials due to toxicity, stability, and efficacy issues.

Current Status

Optimized AMPs and synthetic mimics continue in development for resistant infections and topical applications.

References

  • Source: ENCP Peptide Database
  • Category: Peptide History

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