UMI-77

Catalog No.S7531

UMI-77 Chemical Structure

Molecular Weight(MW): 468.34

UMI-77 is a selective Mcl-1 inhibitor with Ki of 490 nM, showing selectivity over other members of Bcl-2 family.

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2 Customer Reviews

  • MCL-1 pharmacological inhibitor UMI-77 induces apoptosis of ESCC cells. a, b KYSE150 (a) and KYSE510 (b) cells were starved in 0.1% FBS/RPMI 1640 medium overnight and then cultured without (DMSO) or with different concentrations of UMI-77 in 10% FBS/RPMI 1640 medium for 48 h. After treatment, attached and floating cells were harvested. Cleavage of caspase-3 and PARP were analyzed by Western blotting. β-actin was used as a loading control. c KYSE150 and KYSE510 cells were starved in 0.1% FBS/RPMI 1640 medium overnight and then cultured without (DMSO) or with 10 μM UMI-77 in 10% FBS/RPMI 1640 medium for 48 h. After treatment, attached and floating cells were harvested. Cleavage of PARP was analyzed by Western blotting. β-actin was used as a loading control. Arrow head: 17KD or 19 KD of cleaved caspase-3

    BMC Cancer, 2017, 17(1):449. UMI-77 purchased from Selleck.

    U87 and A172 cells were treated with UMI-77 (8 μM) for 24h and further treated with TRAIL (30  ng/ml) for indicated period of time. Levels of apoptosis-associated proteins were analyzed by Western blot. GAPDH was used as a loading control.

    Mol Cell Biochem, 2017. UMI-77 purchased from Selleck.

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Biological Activity

Description UMI-77 is a selective Mcl-1 inhibitor with Ki of 490 nM, showing selectivity over other members of Bcl-2 family.
Targets
Mcl-1 [1]
(Cell-free assay)
490 nM(Ki)
In vitro

UMI-77 effectively disrupts the interactions between BL-Noxa and cellular Mcl-1, as well as Mcl-1/Bax protein–protein interactions. [1] UMI-77 inhibits growth of pancreatic cancer cells with IC50 of 3.4, 4.4, 12.5, 16.1, and 5.5 μM for BxPC-3, Panc-1, MiaPaCa-2, AsPC-1 and Capan-2 cells, respectively. UMI-77 induced apoptosis in pancreatic cancer through activation of the intrinsic apoptotic pathway and/or Bax conformational change. [1]

In vivo In a BxPC-3 xenograft mouse model, UMI-77 (60 mg/kg i.v.) exhibits single-agent antitumor activity without any damage normal tissues. [1]

Protocol

Kinase Assay:

[1]

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Fluorescence polarization (FP)-based binding assays:

Based on the Kd values, the concentrations of the proteins used in the competitive binding experiments are 90 nM for Mcl-1, 40 nM for Bcl-w, 50 nM for Bcl-xL, 60 nM for Bcl-2, and 4 nM for A1/Bfl-1. The fluorescent probes, Flu-BID and FAM-BID are fixed at 2 nM for all assays except for A1/Bfl-1 where FAMBID is used at 1 nM. 5 μL of the tested compound in DMSO and 120 μL of protein/probe complex in the assay buffer (100 mM potassium phosphate, pH 7.5; 100 μg/ml bovine gamma globulin; 0.02% sodium azide) are added to assay plates (Microfluor 2Black), incubated at room temperature for 3 h and the polarization values (mP) are measured at an excitation wavelength at 485 nm and an emission wavelength at 530 nm using the plate reader Synergy H1Hybrid. IC50 values are determined by nonlinear regression fitting of the competition curves.
Cell Research:

[1]

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  • Cell lines: Human pancreatic cancer cell lines AsPC-1, BxPC-3, Panc-1, MiaPaCa and Capan-2
  • Concentrations: ~100 μM
  • Incubation Time: 4 days
  • Method:

    Human pancreatic cancer cell lines AsPC-1, BxPC-3, and Capan-2 are cultured in RPMI-1640 medium, whereas Panc-1 and MiaPaCa are cultured in Dulbeccos' Modified Eagle's Medium (DMEM), all supplemented with 10% FBS. The cell growth inhibition after treatment with increasing concentrations of the compounds is determined by WST-8 assay.


    (Only for Reference)
Animal Research:

[1]

+ Expand
  • Animal Models: ICR-SCID mice bearing BxPC-3 tumor xenograft
  • Formulation: --
  • Dosages: ~60 mg/kg daily
  • Administration: i.v.
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 93 mg/mL (198.57 mM)
Ethanol 93 mg/mL warmed (198.57 mM)
Water Insoluble
In vivo Add solvents individually and in order:
5% DMSO+30% PEG 300+dd H2O
6mg/mL

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 468.34
Formula

C18H14BrNO5S2

CAS No. 518303-20-3
Storage powder
Synonyms N/A

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Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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Bcl-2 Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID