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. 2023 May 24;14(8):1410–1428. doi: 10.1039/d3md00166k

Dual-functional antimicrobial peptides possessing antibacterial and immunomodulatory properties.

Peptide Sequence MIC (μM) Immunomodulatory activity Ref.
Papiliocin RWKIFKKIEKVGRNVRDGIIKAGPAVAVVGQAATVVK–NH2 0.58 Lowers NO, TNF-α, MIP-1, MIP-2, IL-1β, IL-6, TLR4, and NF-κB 69
Cathelicidin-PY KCNFLCKLKEKLRTVITSHIDKVLRPQG 1.37–10.95 Lowers NO, TNF-α, MIP-1, IL-6, TLR4, and NF-κB 70
KR-12-a3 KRIVKRIKKWLR–NH2 2.8 Lowers TNF-α 74
Fowl-1 (8–26)-WRK LVIRWVRAGYKLYRAIKKK–NH2 3.7 Lowers TNF-α and NO 76
CR-163 RRWVQRWIRRWRKWV 5 Lowers NO, TNF-α, IL-6, and IL-8 82 and 83
A7 ILKWKWKWWKWRR–NH2 7.5 Lowers NO 84
MC1-1 SAVGRHGRRFGLRKHRKH 3.59–4.42 Lowers TNF-α and IL-6 87
TL-3 FVRWWSRWLRRIL–NH2 5.7 Lowers TNF-α and NO 89
K6L2W3 KLWKKWKKWLK–NH2 1–2 Lowers NO 95
KLW-f KWKKLLKKfLKLfKKLLK–NH2a 0.5–2 Lowers NO 97
D-RR4 wlrrikawlrrika–NH2b 2–8 Lowers TNF-α and IL-6 100
Lf-KR RRWQWRPKRIVKLIKKWLR–NH2 7 Lowers TNF-α and NO 103
PapMa-k RWKIFKKIkKFLHSAKKF–NH2c 2–8 Lowers TNF-α, IL-1β, MIP-1, and MIP-2 104
a

f symbolizes phenylalanine peptoid.

b

Smaller case letters represent d-amino acids.

c

k symbolizes lysine peptoid.