期刊
INTERNATIONAL JOURNAL OF PHARMACEUTICS
卷 309, 期 1-2, 页码 208-217出版社
ELSEVIER
DOI: 10.1016/j.ijpharm.2005.10.039
关键词
antimicrobial dendrimers; cytotoxicity; dendrimer; genotoxicity; haemolysis; peptide; dendrimeric effect
A series of new, low molecular mass, lysine-based peptide dendrimers with varying distribution of cationic and aromatic groups in the structure were synthesized. They expressed antimicrobial activity against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria as well as against fungal pathogens (Candida albicans). Their cytotoxic, haematotoxic, and genotoxic effects were studied. It appears that degree of branching and steric distribution and types of hydrophobic (aromatic) groups and cationic centres are important components of dendrimeric structure and influence both antimicrobial potency and toxicity. Such 3D structure of our dendrimers mimics that of the natural antimicrobial peptides and can be achieved by application of dendrimer chemistry. (c) 2005 Elsevier B.V. All rights reserved.
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