Structure of MALT1 inhibitor MI-2
CAS No.: 1047953-91-2
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
MI 2 MALT1 inhibitor is a small molecule and irreversible inhibitor of MALT1 with IC50 of 5.84 μM (suppression of proliferation in ABCDLBCL).
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Batch number can be found on the product's label following the word 'Batch'.
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CAS No. : | 1047953-91-2 |
Formula : | C19H17Cl3N4O3 |
M.W : | 455.72 |
SMILES Code : | O=C(NC1=CC=C(N2N=C(OCCOC)N=C2C3=CC=C(Cl)C(Cl)=C3)C=C1)CCl |
InChI Key : | TWJGQZBSEMDPQP-UHFFFAOYSA-N |
Pubchem ID : | 45942672 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Description |
MI-2, a MALT1 inhibitor (IC50=5.84 μM), directly targets MALT1, irreversibly inhibiting its protease activity. This inhibition is associated with decreased NF-κB reporter activity, blocked c-REL nuclear translocation, and reduced expression of NF-κB-dependent genes. MI-2 is non-toxic to animals[1].
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In Vitro:
Cell Line
|
Concentration | Treated Time | Description | References |
monocytes | 0.5 μM | 12 days | MI-2 strongly suppressed the differentiation of monocytes into osteoclasts in the absence or presence of the inflammatory cytokine TNFα. | PMC5605699 |
U87 cells | 0, 2, 4 μM | 12 hours | To evaluate the effect of MI-2 on cell proliferation, the results showed that MI-2 significantly inhibited the proliferation of U87 cells. | PMC7339184 |
U251 cells | 0, 2, 4 μM | 12 hours | To evaluate the effect of MI-2 on cell proliferation, the results showed that MI-2 significantly inhibited the proliferation of U251 cells. | PMC7339184 |
MEC1 cells | 0.2 μM | 24 hours | MI-2 dose-dependently reduced the viability of MEC1 cells with an IC50 of 0.2 μM at 24 hours. | PMC5732856 |
PBMCs from CLL patients | 1.17 μM | 24 hours | MI-2 induced dose-dependent cell death in PBMCs from CLL patients with a mean IC50 of 1.17 μM. | PMC5732856 |
PBMCs from healthy volunteers | 10 μM | 24 hours | MI-2 significantly increased cell death in PBMCs from healthy volunteers at 10 μM concentration. | PMC5732856 |
aortic smooth muscle cells (SMCs) | 0.1 μM, 1 μM, 2.5 μM, 5 μM, 10 μM | 3 hours, 6 hours, 24 hours | MI-2 induced cell death in aortic SMCs, which was rescued by the iron chelator DFO or Fer-1 (a specific inhibitor of ferroptosis), but not by inhibitors of apoptosis, pyroptosis, or necrosis. MI-2 downregulated the expression of GPX4 and FTH1, activated autophagy, and reduced the cleavage of CYLD. | PMC10721807 |
Human myeloma cell lines (RPMI8226, IM9, H929, U266, OPM2, MM1R, MM1S) | 1 μM | 48 hours | To evaluate the effect of MI-2 on the growth of multiple myeloma cells, results showed that MI-2 significantly inhibited cell growth and induced mitochondria-dependent apoptosis | PMC11339052 |
Primary multiple myeloma cells (CD138+) | 1.5 μM | 48 hours | To evaluate the effect of MI-2 on primary multiple myeloma cells, results showed that MI-2 exerted strong cytotoxicity against CD138+ cells | PMC11339052 |
mouse and human aortic SMCs | 1 μM | 6 hours | MI-2 induced ferroptotic cell death in mouse and human aortic SMCs, increased intracellular iron levels, and disrupted mitochondrial structure. | PMC10721807 |
B-ALL cell lines | 50 mM | 96 hours | To evaluate the killing effect of Z-VRPR-fmk on B-ALL cell lines, results showed significant reduction in cell viability | PMC11063839 |
In Vivo:
Species
|
Animal Model
|
Administration | Dosage | Frequency | Description | References |
Mice | C57BL/6 mice | intraperitoneal injection | 0.05 to 25 mg/kg | daily for 10 days | To evaluate the toxicity of MI-2 in mice, results showed that MI-2 was not significantly toxic to mice | PMC3984478 |
Meat ducks | E. coli infection model | Intraperitoneal injection | 30 mg/kg | Once daily for 14 days | To study the effect of MI-2 on bone metabolism in E. coli-infected meat ducks, the results showed that MI-2 treatment significantly reduced the levels of bone resorption markers TRAP and CTx and improved bone quality. | PMC9354418 |
NSG mice | Human multiple myeloma xenograft model | Intraperitoneal injection | 25 mg/kg | 5 days per week for 4 weeks | To evaluate the efficacy of MI-2 in a multiple myeloma xenograft model, results showed that MI-2 significantly prolonged survival and inhibited tumor growth | PMC11339052 |
Mice | Bleomycin-induced pulmonary fibrosis model | Intraperitoneal injection | 30 mg/kg | Once daily for 7 or 21 days | MI-2 reduced weight loss and mortality, decreased inflammatory cell infiltration, cytokine overexpression, and tissue injury, and modulated the excessive production of reactive oxygen species and inflammatory mediators induced by bleomycin. Additionally, MI-2 demonstrated anti-fibrotic activity by reducing TGF-β, α-SMA, and TRAF6 expression. | PMC7589767 |
Rats | Spinal cord ischemia/reperfusion injury model | Intraperitoneal injection | 25 mg/kg/day | For three consecutive days | MI-2 alleviates spinal cord ischemia/reperfusion injury-induced blood-spinal cord barrier destruction and neuroinflammation by suppressing NF-κB-ERS signaling, thereby decreasing neuronal loss and protecting hindlimb motor function. | PMC8423190 |
DBA/1 J mice | collagen-induced arthritis model | intraperitoneal injection | 25 mg/kg | once daily for 18 days | MI-2 significantly ameliorated pathologic bone erosion and synovitis in the collagen-induced arthritis model. | PMC5605699 |
C57BL/6 mice | GBM model | Intraperitoneal injection | 20 mg/kg, 40 mg/kg | Daily until the end of the experiment | To evaluate the effect of MI-2 on tumor growth in vivo, the results showed that MI-2 significantly inhibited tumor growth and prolonged the survival of mice. | PMC7339184 |
C57BL/6 mice | neointima formation model | local application | 10 μM | 3 weeks | MI-2 significantly inhibited neointima formation in the carotid artery, and this effect was partially reversed by co-treatment with Fer-1. | PMC10721807 |
NSG mice | T-ALL mouse model | intraperitoneal injection | 20 mg/kg | 5 days per week for 4 weeks | MI-2 significantly prolonged the survival of T-ALL mouse model and reduced the leukemic burden. | PMC7538650 |
Tags: MALT1 inhibitor MI-2 | MALT1 | mucosa associated lymphoid tissue lymphoma translocation gene 1 | MALT1 inhibitor | protease function suppression | NF-κB inhibition | c-REL nuclear localization | 1047953-91-2
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