Table 4.
Inhibitor | IC50 | Mechanisms of action | Off-target effects | GSDMD-related disease model |
---|---|---|---|---|
Necrosulfonamide (NSA)44,509–511 | ~10 μM | Binding directly to Cys191 of GSDMD and inhibiting the oligomerization of GSDMD-NT | Binding to Cys86 of MLKL and blocking necroptosis | LPS-induce sepsis, AD, AS, ALF |
Disulfiram (DSF).45,52,383,384,514,516–519. | ~10 μM | Modifying Cys191 of GSDMD and inhibiting the oligomerization of GSDMD-NT |
Modifying Cys133 in the TLR-binding partner MD-2 and preventing LPS recognition; Inhibiting NLRP3 signaling |
LPS/CLP-induced sepsis, ulcerative colitis, AS, obesity and metabolic dysfunction, SARS-CoV-2 infection, ARDS, DN, NAFLD |
Dimethyl fumarate (DMF)46,409 | <10 μM | Succinating Cys191 of GSDMD, blocking caspase-GSDMD interactions and inhibiting the oligomerization of GSDMD-NT | Succinating GSDME at Cys45; dopamine beta-hydroxylase; caspase-1; caspase-3 | LPS-induced sepsis, FMF, EAE, HCC |
Itaconate320,523,531–533 | Not known | Binding to GSDMD via Cys77 and blocking caspase-GSDMD interactions | Inhibiting NLRP3 and caspase-1 | ARDS, IBD, LPS-induced sepsis |
C202-2729503 | Not known | Binding directly to the GSDMD-NT and inhibiting the oligomerization of GSDMD-NT | Not known | EAE |
Caffeic acid (CA)522 | Not known | Binding directly to GSDMD and blocking GSDMD cleavage | Not known | LPS-induced sepsis |
GSDMD inhibitor Y1 (GI-Y1)445 | Not known | Binding to GSDMD via Arg7 and inhibiting the oligomerization of GSDMD-NT | Not known | Myocardial I/R injury |
AD Alzheimer’s disease, AS atherosclerosis, ALF acute liver failure, ARDS acute respiratory distress syndrome, CLP cecum ligation and puncture, DN diabetic nephropathy, EAE experimental autoimmune encephalomyelitis, FMF familial Mediterranean fever, HCC hepatocellular carcinoma, IBD inflammatory bowel disease, I/R ischemia/reperfusion, LPS lipopolysaccharide