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Interaction of macrocyclic gadolinium-based MR contrast agents with Type i collagen. Equilibrium and kinetic studies

  • Nicol Guidolin
  • , Fabio Travagin
  • , Giovanni B. Giovenzana
  • , Adrienn Vágner
  • , Sophia Lotti
  • , Federica Chianale
  • , Ernő Brücher
  • , Federico Maisano
  • , Miles A. Kirchin
  • , Fabio Tedoldi
  • , Alice Giorgini
  • , Sonia Colombo Serra
  • , Zsolt Baranyai

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

The interactions of gadoterate meglumine, gadobutrol, gadoteridol and Gd(HB-DO3A) with bovine Type I collagen were investigated by ultrafiltration and dialysis. The affinity of the four agents to collagen is similar. However, the maximum adsorbed amount of GdIII-complexes decreases in the following order: gadoterate meglumine > gadobutrol > gadoteridol > Gd(HB-DO3A). Calculations with the open three-compartment model reveal that the structural homologs gadoteridol and Gd(HB-DO3A) have a lower adsorption onto collagen, which may explain the less prolonged in vivo retention of gadoteridol observed in soft tissues of rats.

Lingua originaleInglese
pagine (da-a)14863-14870
Numero di pagine8
RivistaDalton Transactions
Volume49
Numero di pubblicazione42
DOI
Stato di pubblicazionePubblicato - 14 nov 2020

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