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Sotrastaurin is a potent and specific inhibitor of protein kinase C (PKC) with Ki at subnanomolar to low nanomolar range for a variety of PKC isotypes while selective for >200 other kinases. Sotrastaurin is an immunosuppressant that blocks early T-lymphocyte (T-cell) activation via protein kinase C inhibition. Sotrastaurin combined with EVR showed higher efficacy failure rates and some improvement in renal allograft function compared to a CsA-based therapy. Sotrastaurin inhibits nuclear factor (NF)-κB, which directly promotes the transcription of forkhead box protein 3 (FoxP3), the key regulator for the development and function of regulatory T cells (Tregs). Sotrastaurin is a potent inhibitor of alloreactivity in vitro, while it did not affect Treg function in patients after kidney transplantation. Sotrastaurin prevented TCR/CD28-induced T-cell activation and pro-inflammatory cytokine production, but preserved a stable Treg phenotype as evidenced by maintenance of suppressive capacity, high Foxp3 and CD25 expression, and lack of IL-17A and IFNγ production.
| Cell Experiment | |
|---|---|
| Cell lines | |
| Preparation method | |
| Concentrations | |
| Incubation time | |
| Animal Experiment | |
|---|---|
| Animal models | male Wistar/F rats |
| Formulation | Saline |
| Dosages | 10 mg/kg and 30 mg/kg |
| Administration | Orally administrated |
| Molecular Weight | 438.48 |
| Formula | C25H22N6O2 |
| CAS Number | 425637-18-9 |
| Solubility (25°C) | DMSO 50 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
[5] Kovarik JM, et al. Ther Drug Monit. Overview of sotrastaurin clinical pharmacokinetics.
| Related PKC Products |
|---|
| Sapintoxin D
Sapintoxin D is a fluorescent phorbol ester that can be used to study the activation of protein kinase C (PKC). |
| Bryostatin 3
Bryostatin 3, a macrocyclic lactone, is a protein kinase C activator, with a Ki of 2.75 nM. |
| Ruboxistaurin mesylate
Ruboxistaurin (LY333531) mesylate is an orally active, selective and ATP competitive PKCβ inhibitor with IC50 values of 4.7 and 5.9 nM for PKCβI and PKCβII, respectively. |
| PKC β pseudosubstrate
PKC β pseudosubstrate is a selective cell-permeable inhibitor of PKC. |
| Protein Kinase C (19-31)
Protein Kinase C (19-31), a peptide inhibitor of protein kinase C (PKC), is used as protein kinase C substrate peptide for testing the protein kinase C activity. |
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