DM	Diabetes Mellitus; in this study mean “control diabetes”
EGFR	Epidermal growth factor receptor
ESWT	Extracorporeal shock wave therapy
HRP-DAB	Horseradish peroxidase-diaminobenzidine
IHC	Immunohistochemical
MALDI-TOF	Matrix-Assisted Laser Desorption Ionization Time-of-Flight
NC	Normal control
Serpin	Serine protease inhibitor
STZ	Streptozotocin