DPP4

DPP4

A gene on chromosome 2q24.3 that encodes dipeptidyl-peptidase 4, a ubiquitous, membrane-bound enzyme with roles in nutrition, metabolism, the endocrine system, immune regulation (for instance, it is essential for T-cell receptor (TCR)-mediated T-cell activation), bone marrow mobilisation, apoptosis, cell adhesion and tumourigenesis.