Research brief · Immune
LL-37
Human cathelicidin used in antimicrobial and immunity research.
Class
Cathelicidin antimicrobial peptide
Half-life
Short
Studied in
Antimicrobial and biofilm research.
What it is
LL-37 is the only human cathelicidin antimicrobial peptide, with broad-spectrum membrane-disrupting activity and immunomodulatory roles in innate defence research.
Mechanism studied
Disrupts microbial membranes; modulates innate immunity.
Research notes
- Studied extensively in biofilm disruption research.
Before sourcing any material
- Confirm a lot-matched third-party certificate of analysis (HPLC purity and mass-spectrometry identity).
- Check the stated peptide content per vial, not just the gross vial mass.
- Plan reconstitution volumes first so the vial size matches your protocol.
- Verify what is lawful in your jurisdiction — these are in-vitro research reagents, not medicines.