期刊
ARCHIV DER PHARMAZIE
卷 354, 期 8, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ardp.202100034
关键词
antifungal activity; bridged macrobicyclic peptides; cytotoxic activity; peptide syntheses; substituent effect
Bicyclic peptides, as important molecules in peptide-based drugs, have unique therapeutic potential. Derived from marine resources, they exhibit diverse pharmacological activities, higher conformational rigidity, metabolic stability, as well as antibody-like affinity and specificity.
Among peptide-based drugs, naturally occurring bicyclic compounds have been established as molecules with unique therapeutic potential. The diverse pharmacological activities associated with bicyclic peptides from marine tunicates, sponges, and bacteria render them suitable to be employed as effective surrogate between complex and small therapeutic moieties. Bicyclic peptides possess greater conformational rigidity and higher metabolic stability as compared with linear and monocyclic peptides. The antibody-like affinity and specificity of bicyclic peptides enable their binding to the challenging drug targets. Bridged macrobicyclic peptides from natural marine resources represent an underexplored class of molecules that provides promising platforms for drug development owing to their biocompatibility, similarity, and chemical diversity to proteins. The present review explores major marine-derived bicyclic peptides including disulfide-bridged, histidinotyrosine-bridged, or histidinoalanine-bridged macrobicyclic peptides along with their structural characteristics, synthesis, structure-activity relationship, and bioproperties.The comparison of these macrobicyclic congeners with linear/monocyclic peptides along with their therapeutic potential are also briefly discussed.
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