Key genes downregulated in male MMP-3 KO stroke brains included Itga10, Itgb3, Vwf, Col9a2, Col13a1, Vcam1, Itgb1, Itgae, Itgb7, Col1a1, Col4a2, Col9a3, Col4a6, Col1a2, Itga1, Col8a1, Col6a5, Itga5, Col4a1, Col3a1, Icam1, Itgb2, Col2a1, Col7a1, Col5a2, Pecam1, Col6a3, Col18a1, Tnc, Icam2, and Col8a2 (Figure 2F and Figure A2D). Here, COL13A1 is linked to Stroke.