1. Apoptosis
  2. Bcl-2 Family
  3. Maritoclax

Maritoclax (Synonyms: Marinopyrrole A)

Cat. No.: HY-15613 Purity: 99.97%
Handling Instructions

Maritoclax (Marinopyrrole A) is a novel and specific Mcl-1 inhibitor with an IC50 value of 10.1 μM, and shows >8 fold selectivity than BCL-xl (IC50 > 80 μM).

For research use only. We do not sell to patients.

Maritoclax Chemical Structure

Maritoclax Chemical Structure

CAS No. : 1227962-62-0

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Free Sample (0.5-1 mg)   Apply now  
10 mM * 1 mL in DMSO USD 123 In-stock
Estimated Time of Arrival: December 31
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Estimated Time of Arrival: December 31
10 mg USD 180 In-stock
Estimated Time of Arrival: December 31
50 mg USD 660 In-stock
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100 mg USD 920 In-stock
Estimated Time of Arrival: December 31
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Based on 3 publication(s) in Google Scholar

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Description

Maritoclax (Marinopyrrole A) is a novel and specific Mcl-1 inhibitor with an IC50 value of 10.1 μM, and shows >8 fold selectivity than BCL-xl (IC50 > 80 μM).

IC50 & Target[1]

Mcl-1

10.1 μM (IC50)

In Vitro

Maritoclax (Marinopyrrole A) blocks the binding of Bim BH3 α-helix to Mcl-1 but not Bcl-XL. Maritoclax (Marinopyrrole A) markedly inhibits the viability of Mcl-1-IRES-BimEL cells (EC50=1.6 μM) with a selectivity greater than 40-fold over Bcl-2-IRES-BimEL (EC50=65.1 μM) and Bcl-XL-IRES-BimEL (EC50=70.0 μM) cells. Maritoclax (Marinopyrrole A) induces cell death selectively in Mcl-1-dependent but not Bcl-2- or Bcl-XL-dependent leukemia cells. Maritoclax (Marinopyrrole A) induces proteasome-mediated Mcl-1 degradation without induction of Mcl-1 phosphorylation and Noxa expression. Maritoclax (Marinopyrrole A) inhibits Mcl-1 interaction with Bim in intact cells and triggers cytochrome c release from isolated mitochondria. Maritoclax (Marinopyrrole A) synergistically sensitizes lymphoma/leukemia cells to ABT-737[1]. Maritoclax (Marinopyrrole A) shows activity against all tested S. aureus strains, including glycopeptide-intermediate and vancomycin-resistant MRSA, and has potent activities against other Gram-positive organisms. In addition, Maritoclax (Marinopyrrole A) is active against H. influenzae but is inactive against other tested Gram-negative strains. Maritoclax (Marinopyrrole A) displays substantial concentration-dependent killing against MRSA strain TCH1516 and is far more rapid in its antibiotic action than either vancomycin or linezolid. Maritoclax exhibits a favorable therapeutic index, with 50% inhibitory concentrations (IC50) in excess of 20× above the MIC in each case: 32 to 64 μg/mL against HeLa cells and 8 to 32 μg/mL against L929 cells[2]. Maritoclax (Marinopyrrole A) (3 μM) induced-cell death is associated with MCL1 decrease and translation inhibition. Maritoclax (Marinopyrrole A) induces a dephosphorylation of EIF4EBP1 concomitant to a decrease of EIF4E phosphorylation[3]. Maritoclax (Marinopyrrole A) is much more effective against Bcl-2-dependent RS4;11 cells (IC50: 2 μM) when compared to Mcl-1-dependent HeLa cells (IC50: 20 μM)[4].

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 43 mg/mL (84.29 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.9602 mL 9.8010 mL 19.6021 mL
5 mM 0.3920 mL 1.9602 mL 3.9204 mL
10 mM 0.1960 mL 0.9801 mL 1.9602 mL
*Please refer to the solubility information to select the appropriate solvent.
References
Cell Assay
[2]

Maritoclax (Marinopyrrole A) cytotoxicity is assessed by seeding 2×104 HeLa or L929 cells per well in sterile 96-well tissue culture-treated plates. After 24 h, the medium is replaced with fresh medium containing increasing concentrations of marinopyrrole A, and the plates are incubated at 37°C in 5% CO2 for 24 h. Cytotoxicity is assayed at 24 h by measuring the reduction of MTS [3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium] using the CellTiter 96 Aqueous nonradioactive cell proliferation assay according to the manufacturer's instructions.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
Molecular Weight

510.15

Formula

C₂₂H₁₂Cl₄N₂O₄

CAS No.

1227962-62-0

SMILES

OC1=CC=CC=C1C(C2=C(N3C(C(C4=CC=CC=C4O)=O)=CC(Cl)=C3Cl)C(Cl)=C(Cl)N2)=O

Shipping

Room temperature in continental US; may vary elsewhere

Purity: 99.97%

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Maritoclax

Cat. No.: HY-15613