Exendin-4, Cy5 labeled

Exendin-4, Cy5 labeled (Exendin-4-Cys (Cy5) ) is an Exendin-4 linked covalently with a Cy5 fluorophore, functioning as a GLP-1 receptor agonist. This compound enables in vivo imaging of β cells, offering a means to assess the dynamic expression of GLP-1R, particularly in type 2 diabetes models.