K-7174 is a homopiperazine with dual GATA and proteasome inhibitory activtiy. K-7174 selective inhibts GATA-mediated gene regulations in cultures (10-30 μM; VCAM-1 expression in HUVECs or Epo suppression in Hep3B cells) and in vivo (30 mg/kg in mice via i.p. against IL-1beta- or TNF-alpha-induced anemia). K-7174 exhibits anti-myeloma activity in vitro (10-25 μM) and in vivo (50 mg/kg/day p.o. in mice) by targeting the active pockets of β1, β2 and β5 subunits of proteasome along hydrophobic grooves in the direction of the β7, β1 and β4 subunits in a manner distinct from that of bortezomib.
Orally active, dual GATA and proteasome inhibitor in vitro and in vivo.
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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The Journal of biological chemistry, 288(35), 25593-25602 (2013-07-24)
Bortezomib therapy is now indispensable for multiple myeloma, but is associated with patient inconvenience due to intravenous injection and emerging drug resistance. The development of orally active proteasome inhibitors with distinct mechanisms of action is therefore eagerly awaited. Previously, we
Biochemical and biophysical research communications, 272(2), 370-374 (2000-06-02)
A novel inhibitor for the adhesion of monocytes to cytokine-stimulated endothelial cells, K-7174, was selected by an assay system using the cultured human monocytic cells and human endothelial cells. K-7174 inhibited the expression of vascular cell adhesion molecule-1 (VCAM-1) induced
The proteasome is a proteolytic machinery that executes the degradation of polyubiquitinated proteins to maintain cellular homeostasis. Proteasome inhibition is a unique and effective way to kill cancer cells because they are sensitive to proteotoxic stress. Indeed, the proteasome inhibitor
Biochemical and biophysical research communications, 360(2), 470-475 (2007-07-03)
K-7174, a GATA-specific inhibitor, is a putative anti-inflammatory agent that attenuates effects of inflammatory cytokines in certain cell types. However, molecular mechanisms involved have not been elucidated. We found that, in glomerular podocytes, induction of monocyte chemoattractant protein 1 (MCP-1)
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 17(12), 1742-1744 (2003-09-06)
Interleukin-1beta (IL-1beta), tumor necrosis factor-alpha (TNF-alpha), or N(G)-monomethyl-L-arginine (L-NMMA) are increased in patients with chronic disease-related anemia. They increase the binding activity of GATA and inhibit erythropoietin (Epo) promoter activity. In this study, we examined the ability of K-7174 (a
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