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  3. UMI-77

UMI-77 

Cat. No.: HY-18628 Purity: 99.20%
Handling Instructions

UMI-77 is a selective Mcl-1 inhibitor, which shows high binding affinity to Mcl-1 (IC50=0.31 μM). UMI-77 binds to the BH3 binding groove of Mcl-1 with Ki of 490 nM, showing selectivity over other members of anti-apoptotic Bcl-2 members.

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

UMI-77 Chemical Structure

UMI-77 Chemical Structure

CAS No. : 518303-20-3

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Solution
10 mM * 1 mL in DMSO USD 110 In-stock
Estimated Time of Arrival: December 31
Solid + Solvent
10 mM * 1 mL
ready for reconstitution
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Estimated Time of Arrival: December 31
Solid
5 mg USD 100 In-stock
Estimated Time of Arrival: December 31
10 mg USD 150 In-stock
Estimated Time of Arrival: December 31
50 mg USD 450 In-stock
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100 mg USD 650 In-stock
Estimated Time of Arrival: December 31
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Description

UMI-77 is a selective Mcl-1 inhibitor, which shows high binding affinity to Mcl-1 (IC50=0.31 μM). UMI-77 binds to the BH3 binding groove of Mcl-1 with Ki of 490 nM, showing selectivity over other members of anti-apoptotic Bcl-2 members.

IC50 & Target

IC50: 0.31±0.11 μM (Mcl-1), 10.2±2.24 μM (Bcl-2), 36.09±13.80 μM (Bcl-xL)[1]
Ki: 0.49±0.06 μM (Mcl-1), 5.33±1.0 μM (A1/Bfl-1), 8.19±1.91 μM (Bcl-w), 23.83±1.81 μM (Bcl-2), 32.99±4.33 μM (Bcl-xL)[1]

In Vitro

Competitive binding curve of UMI-77 against Mcl-1 is obtained by FP based binding assay using fluorescent labeled Bid BH3 peptide with an IC50 of 1.87±0.22 μM. UMI-77 potently inhibits the cell growth of BxPC-3 and Panc-1 cell lines with IC50 values of 3.4 μM and 4.4 μM respectively, and shows 3 to 5 times less potency in inhibition of the cell growth of two other tested cell lines MiaPaCa-2 (12.5 μM) and AsPC-1 (16.1 μM). The cell growth inhibition potency of UMI-77 correlates with the highest expression of Mcl-1 and Bak, and lowest expression of Bcl-xL in the sensitive cell lines, BxPC-3 and Panc-1. Capan-2 cells are showing similar sensitivity to UMI-77 (IC50 of 5.5 μM) as BxPC-3 and Panc-1, although has low Mcl-1 levels[1].

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

In Vivo

UMI-77 exhibits moderate metabolic stability with a half-life of 45 minutes.The maximum tolerated dose (MTD) of UMI-77 in SCID mice is determined. Administered 60 mg/kg i.v. for 5 consecutive days per week for two weeks does not cause any loss in the animal weight and there is no obvious sign of toxicity during the course of the treatment. Increasing the dose to 80 mg/kg show severe animal weight loss (>20%), therefore 60 mg/kg is used as a therapeutic dose for the in vivo efficacy studies. Daily treatment with UMI-77 for 5 consecutive days a week for two weeks results in statistically significant tumor growth inhibition by 65% and 56% in comparison with the controls in day 19 (p<0.0001) and day 22 (p<0.003) respectively[1].

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

Molecular Weight

468.34

Formula

C18H14BrNO5S2

CAS No.
Shipping

Room temperature in continental US; may vary elsewhere.

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 : ≥ 28 mg/mL (59.79 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1352 mL 10.6760 mL 21.3520 mL
5 mM 0.4270 mL 2.1352 mL 4.2704 mL
10 mM 0.2135 mL 1.0676 mL 2.1352 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.34 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: 2.5 mg/mL (5.34 mM); Suspended solution; Need ultrasonic

*All of the co-solvents are available by MCE.
References
Cell Assay
[1]

Human PC cell lines AsPC-1, BxPC-3 and Capan-2 are cultured in RPMI 1640 medium, while Panc-1 and MiaPaCa are cultured in DMEM medium, all supplemented with 10% fetal bovine serum. The cell growth inhibition after treatment with increasing concentrations of the compounds (e.g., UMI-77; 1,10, and 100 μM) is determined by WST-8 assay[1].

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

Animal Administration
[1]

Mice[1]
For BxPC-3 subcutaneous model, 10×106 cells are subcutaneously injected into the flanks of 4-5 week old female severe combined immune deficient mice (ICR-SCID). Palpable tumors start to appear in 3-5 weeks. Tumors are measured twice weekly. To prevent any pain or discomfort, mice are euthanized and their tumors remove once they reach ~1800 mg burden. Tumors are then dissected into 50 mg pieces and re-transplanted into naïve ICR-SCID for serial propagation. Animals are treated with either vehicle or UMI-77 given i.v. (60 mg/kg) on day three post BxPC-3 transplantation for two weeks (5 days a week). Tumor weight is recorded throughout the treatment period. At the end of the treatment period, animals are euthanized and their tumors harvested for protein isolation and western blot analysis for apoptotic markers.

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

References

Purity: 99.20%

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Product Name:
UMI-77
Cat. No.:
HY-18628
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