What is LL-37?
LL-37 is the active form of the human cathelicidin antimicrobial peptide. It plays a role in innate immunity, with research covering antimicrobial activity, wound healing and immune modulation.
Also known as: Cathelicidin, CAP-18
How LL-37 is studied
LL-37 is the active form of the human cathelicidin antimicrobial peptide, a part of the innate immune system. Research covers its antimicrobial activity, roles in wound healing, and immune modulation — though at high levels it has also been linked to inflammatory conditions.
Commonly researched for
Research status
Important considerations
At high levels it has been linked to inflammatory conditions in research. Human therapeutic data is limited.
LL-37 — frequently asked questions
Antimicrobial defense, wound healing, and immune modulation. It is an active area of preclinical research.
Not necessarily — while it supports immune defense, elevated levels have been associated with certain inflammatory conditions in research.
No. Human therapeutic data is limited and it is not an approved therapy.