LL-37 antimicrobial peptide research covers two distinct mechanisms: direct membrane disruption of bacterial cells and modulation of the innate immune response. Here is what the cathelicidin data shows.
LL-37 research occupies a unique position by performing two distinct functions: direct bacterial membrane disruption and modulation of the host immune response. This dual mechanism defines its role in the cathelicidin family.
LL-37 cationic structure is electrostatically attracted to negatively charged bacterial surfaces. Upon binding, it forms toroidal pores that span the lipid bilayer, leading to rapid bacterial cell death through membrane disintegration. Research in JBC characterized this pore-forming mechanism in detail.
Beyond killing bacteria, LL-37 acts as an immunomodulatory signal, interacting with TLR4 to amplify or neutralize immune responses depending on concentration. It also promotes wound healing by stimulating angiogenesis and re-epithelialization. Beyond Health Lab supplies LL-37 5mg at ≥99% verified purity.
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