Title : Degradation, cyclic adenosine monophosphate production, insulin secretion, and glycemic effects of two novel N-terminal Ala2-substituted analogs of glucose-dependent insulinotropic polypeptide with preserved biological activity in vivo.

Pub. Date : 2003 Jun

PMID : 12800091






2 Functional Relationships(s)
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1 However, its biological activity is severely compromised by the ubiquitous enzyme dipeptidylpeptidase IV (DPP IV), which removes the N-terminal Tyr(1)-Ala(2) dipeptide from GIP. Alanine gastric inhibitory polypeptide Homo sapiens
2 Therefore, 2 novel N-terminal Ala(2)-substituted analogs of GIP, with Ala substituted by 2-aminobutyric acid (Abu) or sarcosine (Sar), were synthesized and tested for metabolic stability and biological activity both in vitro and in vivo. Alanine gastric inhibitory polypeptide Homo sapiens