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MnTBAP Chloride

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Cell-permeable superoxide dismutase mimetic
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Superoxide (O(2)(·-)) is the proximal mitochondrial reactive oxygen species underlying pathology and redox signaling. This central role prioritizes development of a mitochondria-targeted reagent selective for controlling O(2)(·-). MnTBAP is a novel, stable and cell-permeable superoxide dismutase mimetic.

In vitro: Due to its superoxide dismutase mimetic property, 50 microM MnTBAP was found to attenuate the injury produced dose-dependently by exposure to various concentrations of paraquat for 4 h. MnTBAP also protected endothelial cells in a dose-dependent manner against paraquat. The protective effect of MnTBAP appears to be caused by its intracellular superoxide-scavenging activity because neither the zinc form nor CuZnSOD protected the cells against paraquat-induced injury [1].

In vivo: Local administration of MnTBAP significantly and reduced carrageenan-induced paw oedema dose-dependently at all time points, which was related to its superoxide dismutase mimetic property. MnTBAP also caused a significant dose-dependent reduction in paw myeloperoxidase activity, as well as preventing histological injury. Immunohistochemical analyses for nitrotyrosine showed a positive staining in paw from carrageenan-treated rats [2].

Clinical trial: Up to now, MnTBAP is still in the preclinical development stage.

[1] Day BJ, Shawen S, Liochev SI, Crapo JD.  A metalloporphyrin superoxide dismutase mimetic protects against paraquat-induced endothelial cell injury, in vitro. J Pharmacol Exp Ther. 1995 Dec;275(3):1227-32.
[2] Cuzzocrea S, Costantino G, Mazzon E, Zingarelli B, De Sarro A, Caputi AP.  Protective effects of Mn(III)tetrakis (4-benzoic acid) porphyrin (MnTBAP), a superoxide dismutase mimetic, in paw oedema induced by carrageenan in the rat. Biochem Pharmacol. 1999 Jul 1;58(1):171-6.

Chemical Properties

StorageStore at -20°C
Cas No.55266-18-7
Solubility≥25.4mg/mL in DMSO
SDFDownload SDF
Canonical SMILESO=C([O-])C1=CC=C(/C(C(C=C/2)=NC2=C3C4=CC=C(C(O)=O)C=C4)=C([N-]/5)/C=CC5=C(C(N6)=CC=C6/C(C7=CC=C(C(O)=O)C=C7)=C8C=CC/3=N\8)\C9=CC=C(C([O-])=O)C=C9)C=C1.Cl.[Mn+3]
Shipping ConditionEvaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
General tipsFor 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.

Quality Control

Quality Control & MSDS

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Chemical structure

MnTBAP Chloride