| Bioactivity | Bisindolylmaleimide XI hydrochloride (Ro 32-0432) is a potent, selective and orally active PKC inhibitor with IC50s of 9 nM, 28 nM, 31 nM, 37 nM, and 108 nM for PKCα, PKCβI, PKCβII, PKCγ, and PKCε, respectively[1][2]. |
| Invitro | Bisindolylmaleimide XI hydrochloride (Ro 32-0432) inhibits IL-2 secretion, IL-2 receptor expression in, and proliferation of, peripheral human T-cells stimulated with phorbol ester together with phytohemagglutin or anti-CD3, but does not inhibit IL-2 induced proliferation in cells already stimulated to express IL-2 receptors. Proliferation of the influenza peptide antigen HA 307-319-specific human T-cell clone (HA27) after exposure to antigen-pulsed autologous presenting cells is also inhibited by Bisindolylmaleimide XI hydrochloride[2]. PKC inhibition with Bisindolylmaleimide XI hydrochloride (Ro 32-0432; 1 μM) decreases the proportion of apoptotic cells (-21%) in retinal progenitor cells (RPCs)[3]. |
| In Vivo | Oral administration of Bisindolylmaleimide XI hydrochloride inhibits subsequent phorbol ester-induced edema in ratss. Induction of more physiologically T-cell driven responses such as host vs. graft responses and the secondary paw swelling in adjuvant-induced arthritis are also inhibited by Bisindolylmaleimide XI hydrochloride[2]. |
| Name | Bisindolylmaleimide XI hydrochloride |
| CAS | 145333-02-4 |
| Formula | C28H29ClN4O2 |
| Molar Mass | 489.01 |
| Appearance | Solid |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | -20°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |
| Reference | [1]. S E Wilkinson, et al. Isoenzyme specificity of bisindolylmaleimides, selective inhibitors of protein kinase C. Biochem J. 1993 Sep 1;294 ( Pt 2)(Pt 2):335-7. [2]. A M Birchall, et al. Ro 32-0432, a selective and orally active inhibitor of protein kinase C prevents T-cell activation. J Pharmacol Exp Ther. 1994 Feb;268(2):922-9. [3]. Roman Kholodenko, et al. Anti-apoptotic effect of retinoic acid on retinal progenitor cells mediated by a protein kinase A-dependent mechanism. Cell Res. 2007 Feb;17(2):151-62. |
Bisindolylmaleimide XI hydrochloride
CAS: 145333-02-4 F: C28H29ClN4O2 W: 489.01
Bisindolylmaleimide XI hydrochloride (Ro 32-0432) is a potent, selective and orally active PKC inhibitor with IC50s of 9
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