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Bisindolylmaleimide VIII (acetate)

目录号 GC13226

A protein kinase C (PKC) inhibitor

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Sample solution is provided at 25 µL, 10mM.


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IC50: 158 nM for rat brain PKC

Bisindolylmaleimide VIII is a protein kinase C (PKC) inhibitor.

The protein kinase C (PKC) consists of a family of closely related isoenzymes mediating various signal transduction processes. The ten isoenzymes that have been currently identified can be divided into three families on the basis of their different requirements for activation. Members of the conventional PKC family are Ca2+ and phospholipid-dependent and are activated by diacylglycerols and phorbol esters.

In vitro: Previous study found that bisindolylmaleimides carrying a straight-chain alkyl side-chain bearing a cationic substituent, such as Ro 31-7549 (bisindolylmaleimide VIII) and Ro 31-8220, showed a significant improvement in potency over the simple bisindolylmaleimides. For bisindolylmaleimide VIII, a further improvement in potency was obtained by restricting the position of the amine substituent. Moreove, unlike the indolocarbazole, staurosporine, which displayed 2-fold selectivity for PKC-β over the other examined isoenzymes, bisindolylmaleimide VIII exhibited a slight selectivity for PKC-α over the other isoenzymes. Compounds such as bisindolylmaleimide VIII carrying a straight-chain alkyl side-chain with the cationic substituent were found to be equipotent as inhibitors of PKC-β, PKC-γ and PKC-ε [1].

In vivo: Animal study found that, in neonatal rats, high glucose levels could induce the hypertrophy of cardiomyocytes. Ro-31-8220, a analog of bisindolylmaleimide VIII, was able to reverse the effect of high glucose on the cardiac myocytes,which might be through PKC/NF-κB/c-Fos pathway [2].

Clinical trial: So far, no clinical study has been conducted.

[1] Wilkinson, S. E.,Parker, P.J. and Nixon, J.S. Isoenzyme specificity of bisindolylmaleimides, selective inhibitors of protein kinase C. Biochemistry Journal 294, 335-337 (1993).
[2] Zhang, W.  B. et al. Reverse effect of protein kinase C inhibitor Ro-31-8220 on the hypertrophy of cardiomyocytes of neonatal rats induced by high glucose levels. Chinese Journal of Pathophysiology. 2009-08.

Chemical Properties

Cas No. 138516-31-1 SDF
别名 BIM VIII,Ro 31-7549
化学名 3-[1-(3-aminopropyl)-1H-indol-3-yl]-4-(1-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione, acetate
Canonical SMILES O=C(N1[H])C(C2=CN(C)C3=C2C=CC=C3)=C(C4=CN(CCCN)C5=C4C=CC=C5)C1=O.CC(O)=O
分子式 C24H22N4O2 • C2H4O2 分子量 458.5
溶解度 5mg/mL in DMSO, 5mg/mL in DMF 储存条件 Store at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

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