Page 128 - 《中国药科大学学报》2026年第2期
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254                      学报   Journal of China Pharmaceutical University 2026, 57(2): 246 − 255  第 57 卷

                  A   Caspase-1     DAPI         Merge    B    NLRP3        DAPI        Merge




                    Control                                 Control




                    OGD/R                                   OGD/R



                    Aspirin (100 μmol/L)                    Aspirin (100 μmol/L)



                    Indobufen (200 μmol/L)                  Indobufen (200 μmol/L)
                  C    NF-κB        DAPI         Merge    D    GSDMD       TUNEL        DAPI        Merge




                    Control                                 Control



                    OGD/R                                   OGD/R



                    Aspirin (100 μmol/L)                    Aspirin (100 μmol/L)



                    Indobufen (200 μmol/L)                  Indobufen (200 μmol/L)
                E                             F                              G
                                  Indobufen
                        Control  OGD/R  Aspirin (100 μmol/L) (200 μmol/L)  1.0  ##  Caspase-1  1.5  Cytoplasma
                                                                                                  NF-κB p65
                                     Cleaved-      0.8                             1.0
                 20 kD                             0.6                                             **   **
                                     Caspase1   Relative expression level  (ratio of β-actin)  0.4  *  Relative expression level  (ratio of β-actin)
                                     Cytoplasma                                    0.5        ##
                 65 kD               NF-κB p65     0.2                              0
                                                    0
                                                                                                 Aspirin
                                                                 Aspirin
                 42 kD               β-actin          Control  OGD/R  (100 μmol/L) Indobufen  Control  OGD/R (100 μmol/L) Indobufen
                                                                     (200 μmol/L)
                                                                                                     (200 μmol/L)
                H                             I    1.5              Nucleus
                                  Indobufen
                        Control  OGD/R  Aspirin (100 μmol/L) (200 μmol/L)  1.0  ##  NF-κB p65

                                     Nucleus    Relative expression level  (ratio of Histone3)
                 65 kD                                             **
                                     NF-κB p65     0.5                   **
                 15 kD               Histone3       0
                                                      Control  OGD/R  Aspirin  Indobufen
                                                                (100 μmol/L) (200 μmol/L)




               Figure 6    In vitro indobufen reduces HUVEC pyroptosis and regulates NF-κB/Caspase-1/GSDMD expressions after OGD/R ( x ± s, n=3)
               A-D: Representative images of A-Casapse-1, B-NLRP3, C-NF-κB, and D-TUNEL/GSDMD in HUVEC cells were detected by IF staining (×200,
               scale bar=50 μm). E-I: Western blot analysis of the ratio of Caspase-1 and NF-κB p65 expression in HUVEC cells
                                        #
                                              ##
               *P < 0.05, **P < 0.01 vs model group;  P < 0.05,  P < 0.01 vs control group
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