Quaternary benzo[c]phenanthridine alkaloids as inhibitors of aminopeptidase N and dipeptidyl peptidase IV

. 2002 Feb ; 16 (1) : 84-7.

Jazyk angličtina Země Anglie, Velká Británie Médium print

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid11807974
Odkazy

PubMed 11807974
PubMed Central PMC7168101
DOI 10.1002/ptr.969
PII: 10.1002/ptr.969
Knihovny.cz E-zdroje

Chelerythrine, sanguinarine and an alkaloid extract from Macleaya cordata--sanguiritrin--were found to be inhibitors of aminopeptidase A and dipeptidyl peptidase IV, while fagaronine inhibited dipeptidyl peptidase IV only. At 50 microM, chelerythrine, sanguinarine and sanguiritrin inhibited aminopeptidase N by 82%, 82%, 88%, DPP IV by 38%, 62%, 57%, and fagaronine by 34%, respectively. When bovine serum albumin (500 microg/mL) was added, the inhibition of both proteases by quaternary benzo[c]phenanthridine alkaloids (QBA) (50 microM) was significantly diminished. Strong interaction of chelerythrine and sanguinarine with bovine and human serum albumin was proved by electrophoretic determination of their respective conditional binding constants.

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