File talk:Incretins and DPP 4 inhibitors.svg

The picture illstrates that DPP-4 inhibitors inactivates GLP1 which seems quite opposite. Because DPP-4 inhibitors actually increases activate GLP1. Please make it clear.

Answer: The picture illustrates that DPP-4 inactivates GLP-1. So the DPP-4 inhibitors will increase GLP-1 exactly as you mentioned. — Preceding unsigned comment added by 41.234.141.111 (talk) 06:17, 12 May 2012 (UTC)