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2015 ; 25
(21
): 4961-4969
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Small cyclic agonists of iron regulatory hormone hepcidin
#MMPMID25813158
Chua K
; Fung E
; Micewicz ED
; Ganz T
; Nemeth E
; Ruchala P
Bioorg Med Chem Lett
2015[Nov]; 25
(21
): 4961-4969
PMID25813158
show ga
Minihepcidins are in vitro and in vivo active mimetics of iron-regulatory hormone
hepcidin. They contain various unusual amino acids including: N-substituted,
?-homo-, and d-amino acids with their combination depending on particular
minihepcidin. In the current study, we sought to limit the use of unusual/more
expensive amino acids derivatives by peptide cyclization. Novel cyclic mimetics
of hepcidin were synthesized and tested in vitro and showed activity at low
nanomolar concentration. Nonetheless, the most active cyclic compound (mHS17) is
approximately ten times less active than the parental minihepcidin PR73.
Collectively, our findings suggest that cyclization is viable approach in the
synthesis of hepcidin mimetics.