1252637-46-9

1252637-46-9 structure
1252637-46-9 structure
  • Name: RO5461111
  • Chemical Name: RO5461111
  • CAS Number: 1252637-46-9
  • Molecular Formula: C27H24F6N4O4S
  • Molecular Weight: 614.56
  • Catalog: Signaling Pathways Metabolic Enzyme/Protease Cathepsin
  • Create Date: 2023-05-16 17:37:52
  • Modify Date: 2024-02-03 23:45:53
  • RO5461111 a highly specific and orally active antagonist of Cathepsin S with IC50s of 0.4 nM (human Cathepsin S) and 0.5 nM (murine Cathepsin S), respectively. RO5461111 can effectively inhibit the activation of antigen-specific T cells and B cells. RO5461111 can improve pulmonary inflammation and lupus nephritis[1][2].

Name RO5461111
Description RO5461111 a highly specific and orally active antagonist of Cathepsin S with IC50s of 0.4 nM (human Cathepsin S) and 0.5 nM (murine Cathepsin S), respectively. RO5461111 can effectively inhibit the activation of antigen-specific T cells and B cells. RO5461111 can improve pulmonary inflammation and lupus nephritis[1][2].
Related Catalog
Target

human Cathepsin S:0.4 nM (IC50)

murine Cathepsin S:0.5 nM (IC50)

In Vitro RO5461111 (16 h) is cytoactive in cell lines of human (RAJI) or mouse (A20), and significantly reduces splenic dendritic cell activation and subsequent expansion and activation of CD4 T cells and CD4/CD8 double negative T cells[1]
In Vivo RO5461111 (0.1-100 mg/kg; 口服; 单剂量) 可抑制 BALB/c 小鼠接种绵羊 IgG 后 T 细胞启动和抗绵羊 IgG[1]。 RO5461111 (1.31 mg/mouse 或 30 mg/kg; 口服; 8 周) 破坏 MRL-Fas(lpr) 小鼠的生发中心 (如降低 CXCL12 表达),减少高丙种球蛋白血症和狼疮自身抗体产物 F。RO5461111 还可以减轻肺部炎症,改善狼疮性肾炎[1]。 Animal Model: Female MRL-Fas(lpr) mice (12-week-old; with proteinuria/serum creatinine levels up)[1] Dosage: 262.5 mg/kg chow; or 5 mg/mouse with 1.31 mg/mouse Administration: Oral gavage; 8 weeks Result: Reduced the activation and expansion of spleen dendritic cells, CD4, double-negative T cells and plasma cells. Reduced plasma levels of IL-10 and TNF-α.
References

[1]. Rupanagudi KV, et al. Cathepsin S inhibition suppresses systemic lupus erythematosus and lupus nephritis because cathepsin S is essential for MHC class II-mediated CD4 T cell and B cell priming. Ann Rheum Dis. 2015 Feb;74(2):452-63.  

[2]. Sanchez RA, et al. Preparation of proline dipeptidyl nitrile derivatives as cathepsin, particularly cathepsin S and L, inhibitors: United States, US20100267722. 2010-10-21.

Molecular Formula C27H24F6N4O4S
Molecular Weight 614.56
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