Influence of biological assay conditions on stability assessment of radiometal-labelled peptides exemplified using a 177Lu-DOTA-minigastrin derivative
Date
2011Author
Decristoforo, Clemens
Ocak, Meltem
Kremser, Leopold
Kabasakal, Levent
Ozsoy, Y.
Helbok, Anna
von Guggenberg, Elisabeth
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Introduction: Lack of correlation between in vitro and in vivo stability is a general problem for the development of radiopeptides especially in the case of minigastrin derivatives for therapeutic applications. In this study, we compared the influence of experimental conditions on radiopeptide stability results in vitro using a model Minigastrin (MG) analogue labelled with Lu-177. Additionally, we attempted to characterize the main serum enzymatic cleavage sites by matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) mass spectrometry (MS) analysis.
URI
http://hdl.handle.net/20.500.12627/151360https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79551680701&origin=inward
https://doi.org/10.1016/j.nucmedbio.2010.07.009
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