ll-37, human tfa

LL-37, Human TFA (154947-66-7 free base) is a 37-residue amphipathic helical peptide, the sole human cathelicidin antimicrobial peptide exhibiting moderate antibacterial activity against diverse Gram-negative and Gram-positive bacteria. LL-37, Human TFA binds to negatively charged bacterial membranes, disrupting cellular integrity. It also induces cellular immunomodulation, migration, proliferation, and differentiation, possesses anti-biofilm potential, and inhibits gastric cancer carcinogenesis.

LL-37 (18-37), an antimicrobial peptide fragment of LL-37, exhibits activity against S. aureus and C. albicans, with minimum lethal concentrations of 4 µM and 10 µM, respectively. Additionally, it inhibits E. histolytica trophozoites growth at concentrations between 10 to 50 µM.