1. Protein Tyrosine Kinase/RTK
    PROTAC
  2. ALK
    PROTAC
  3. MS4078

MS4078 

Cat. No.: HY-112155
Handling Instructions

MS4078 is an anaplastic lymphoma kinase (ALK) PROTAC (degrader) with a Kd of 19 nM for binding affinity to ALK.

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

MS4078 Chemical Structure

MS4078 Chemical Structure

CAS No. : 2229036-62-6

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Description

MS4078 is an anaplastic lymphoma kinase (ALK) PROTAC (degrader) with a Kd of 19 nM for binding affinity to ALK[1].

IC50 & Target

Kd: 19±3 nM (ALK)[1]
PROTAC[1]

In Vitro

MS4078 effectively inhibits cancer cell proliferation. MS4078 (10-3, 10-2.5, 10-2, 10-1.5, 10-1, 10-0.5, 1 μM; 3 days) concentration-dependently inhibits proliferation of SU-DHL-1 cells with an IC50 of 33±1  nM. In comparison with SU-DHL-1 cells, the proliferation of NCI-H2228 cells is less sensitive to MS4078(10-2, 10-1.5, 10-1, 10-0.5, 1, 100.5 μM; 3 days)[1].
MS4078 potently reduces the ALK fusion protein levels and inhibits the ALK auto-phosphorylation and down-steam STAT3 phosphorylation in both SU-DHL-1 and NCI-H2228 cells in a concentration-dependent manner. In SU-DHL-1 cells, MS4078 reduces the NPM-ALK protein levels with impressive DC50 (50% degradation) value of 11±2 nM after 16-hour treatment. Over 90% of inhibition of both ALK Y1507 and STAT3 Y705 phosphorylation is achieved at the 100 nM concentration. In NCI-H2228 cells, MS4078 reduces the EML4-ALK protein levels with similar DC50 value of 59 ± 16 nM after 16-hour treatment. At the 100 nM concentration, NCI-H2228 cells reduces more than 90% of EML4-ALK protein levels[1].

Cell Viability Assay[1]

Cell Line: SU-DHL-1 and NCI-H2228 cells
Concentration: 10-3, 10-2.5, 10-2,10-1.5, 10-1, 10-0.5, and 1 μM for SU-DHL-1  cells; 10-2, 10-1.5, 10-1, 10-0.5, 1, 100.5 μM for NCI-H2228 cells
Incubation Time: 3 days
Result: Inhibited proliferation of SU-DHL-1 cells (IC50=33 ± 1 nM). Less sensitive to the proliferation of NCI-H2228 cells than SU-DHL-1 cells.

Western Blot Analysis[1]

Cell Line: SU-DHL-1 and NCI-H2228 cells
Concentration: 1, 3, 10, 30, and 100 μM for SU-DHL-1 cells; 3, 10, 30, 60, and 100 μM for NCI-H2228 cells
Incubation Time: 16 hours
Result: Reduced the NPM-ALK protein levels with impressive DC50 of  11 ± 2 nM in SU-DHL-1 cells. Reduced the EML4-ALK protein levels with similar DC50 of 59 ± 16 nM in NCI-H2228 cells
Molecular Weight

914.47

Formula

C₄₅H₅₂ClN₉O₈S

CAS No.

2229036-62-6

SMILES

CC(C)S(C1=C(NC2=NC(NC3=C(OC(C)C)C=C(C4CCN(CC(NCCNC5=C(C(N(C6C(NC(CC6)=O)=O)C7=O)=O)C7=CC=C5)=O)CC4)C(C)=C3)=NC=C2Cl)C=CC=C1)(=O)=O

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