|Calpeptin Catalog No.GC10342|
Sample solution is provided at 25 µL, 10mM.
GlpBio Products Cited In Reputable Papers
|Chemical Name||benzyl N-[4-methyl-1-oxo-1-(1-oxohexan-2-ylamino)pentan-2-yl]carbamate|
|Solubility||≥87.6 mg/mL in DMSO, ≥96.6 mg/mL in EtOH, <2.63 mg/mL in H2O||Storage||Desiccate at 4°C|
|General tips||For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.|
|Shipping Condition||Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
IC50: 5 nM for human calpain 1
Calpeptin is a calpain inhibitor.
As a calcium-dependent intracellular cysteine protease, calpain plays an key role in various cellular processes including cell differentiation, growth and apoptosis. In rheumatoid arthritis patients, over-expression of calpains are observed in arthritic synovial fluid and are thought to play critical roles in various cellular processes.
In vitro: Calpeptin reduced production of TGF-b1, IL-6, angiopoietin-1 and collagen synthesis from lung fibroblasts. Calpeptin also reduced both angiopoietin-1-dependent migration and IL-6-dependent proliferation of the cells, which could be the underlying mechanism of the preventive effect of Calpeptin on pulmonary fibrosis .
In vivo: The preventive effect of calpeptin has been examined on bleomycin-induced pulmonary fibrosis in mice. Histological examinations and quantitative measurements of related proteins in bleomycin-treated mouse lung tissues with or without calpeptin were performed. Calpeptin histologically ameliorated bleomycininduced pulmonary fibrosis in mice. Results showed that calpeptin decreased the expression of IL-6, TGF-b1, angiopoietin-1 and collagen type Ia1 mRNA in mouse lung tissues .
Clinical trial: N/A
 Tabata C,Tabata R,Nakano T. The calpain inhibitor calpeptin prevents bleomycin-induced pulmonary fibrosis in mice. Clin Exp Immunol.2010 Dec;162(3):560-7.