MKC3946


Catalog No. size PriceQuantity
M6641-2 2mg solid $143
M6641-10 10mg solid $570

Description

Cas:1093119-54-0

Product Information:

MKC3946 is a potent and soluble IRE1α inhibitor. MKC-3946 blocks XBP1 mRNA splicing and exhibits cytotoxicity against AML cells.

 

Chemical Formula: C21H20N2O3S

 

Exact Mass: 380.1195

 

Molecular Weight: 380.46

 

Elemental Analysis: C, 66.30; H, 5.30; N, 7.36; O, 12.62; S, 8.43

 

Synonym: 

 

MKC-3946

MKC 3946

MKC3946

 

Chemical Name: 2-hydroxy-6-(5-(4-methylpiperazine-1-carbonyl)thiophen-2-yl)-1-naphthaldehyde

 

InChi Key: 

IVQVBMWPWPTSNO-UHFFFAOYSA-N

 

InChi Code: InChI=1S/C21H20N2O3S/c1-22-8-10-23(11-9-22)21(26)20-7-6-19(27-20)15-2-4-16-14(12-15)3-5-18(25)17(16)13-24/h2-7,12-13,25H,8-11H2,1H3

 

Smiles Code:

O=CC1=C(C=CC2=C1C=CC(C3=CC=C(S3)C(N4CCN(CC4)C)=O)=C2)O

 

 

Technical Data:

 

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

 

In Vitro

MKC-3946 blocks XBP1 mRNA splicing and exhibits cytotoxicity against AML cells. MKC-3946 inhibits XBP1S expression induced by tunicamycin (TM) in NB4 cells (B) and AML sample from patients. MKC-3946 prevents the splicing of the XBP1 mRNA in response to ER stress caused by mutant proinsulin production. MKC-3946 is an IRE1α endoribonuclease domain inhibitor that blocks XBP1 mRNA splicing and triggers modest growth inhibition in MM cells. MKC-3946 inhibits XBP1s expression induced by Tm in a dose-dependent manner, but does not affect phosphorylation of IRE1α. MKC-3946 blocks XBP1 splicing and enhances cytotoxicity induced by bortezomib or 17-AAG. MKC-3946 (10μM) enhances ER stress-mediated apoptosis induced by bortezomib or 17-AAG, and enhances cytotoxicity of ER stressors, even in the presence of BMSCs or exogenous IL-6.

 

In Vivo

MKC-3946 (100 mg/kg, i.p.) inhibits XBP1 splicing in a model of ER stress in vivo, associated with significant growth inhibition of MM cells, alone or with bortezomib. MKC-3946 significantly reduces MM tumor growth in the treatment versus control group. Inhibition of XBP1 splicing by MKC-3946 is associated with decreased MM growth in vivo, alone or in combination with bortezomib.

 

 

References

 

  1. Mimura N, et al. Blockade of XBP1 splicing by inhibition of IRE1α is a promising therapeutic option in multiple myeloma. Blood. 2012 Jun 14;119(24):5772-81.

 

  1. Sun H, et al. Inhibition of IRE1α-driven pro-survival pathways is a promising therapeutic application in acute myeloid leukemia. Oncotarget. 2016 Apr 5;7(14):18736-49.

 

Products are for research use only. Not for human use.

 

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