Mean MMP-3 concentration in the total MG group (25.5 ng/mL) was significantly higher than in the MS (16.6 ng/mL) and stroke group (11.7 ng/mL), but did not differ significantly from the epilepsy (19.4 ng/mL) and the control group (23.4 ng/mL). Here, MMP3 is linked to epilepsy.