HPLC and PDMS analysis of cleavage products aid in the design of small, stable ANP analogues

Le résumé fourni par la source

The degradation of a prototypical small analogue of atrial natriuretic peptide (ANP) has been studied using HPLC and mass spectrometric techniques. These studies revealed that removal of the N-terminal amino acid was the primary catabolic event in vitro. Based on this information the N-terminus was remanufactured to provide a family of more stable analogues. Additional stabilization was provided through modification of the C-terminal tripeptide. Through dramatically more stable in vitro, these new analogues do not appear to have longer in vivo half-lives.

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