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- W4220781724 abstract "The emergence of multidrug-resistant bacteria has dramatically increased the lethality, level of resistance, and difficulty of treatment. In this study, a series of new antimicrobial peptides (AMPs) based on the β-hairpin structure with the template (XY)2RRRF(YX)2-NH2 (X: hydrophobic amino acids; Y: cationic amino acids) were synthesized; surprisingly, almost all of the new peptides have strong antibacterial activity and negligible hemolytic toxicity. Particularly, the therapeutic index (TI) values of F(RI)2R and F(KW)2K reached up to 115.9 and 70.7, respectively. In addition, they did not show induced drug resistance and inhibited the development of antibiotic resistance when combined and used with traditional antibiotics. In addition, their antibacterial mechanism was preliminarily studied. Moreover, the new peptides F(RI)2R and F(KW)2K showed excellent performance in the pulmonary bacterial infection model and low toxicity in mice. In conclusion, F(RI)2R and F(KW)2K are considered new antimicrobial alternatives to address the antimicrobial-resistance crisis." @default.
- W4220781724 created "2022-04-03" @default.
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- W4220781724 date "2022-03-21" @default.
- W4220781724 modified "2023-10-16" @default.
- W4220781724 title "Novel β-Hairpin Antimicrobial Peptides Containing the β-Turn Sequence of -RRRF- Having High Cell Selectivity and Low Incidence of Drug Resistance" @default.
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- W4220781724 doi "https://doi.org/10.1021/acs.jmedchem.1c02140" @default.
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