K-7174 |
カタログ番号GC10983 |
K-7174 は新しい細胞接着阻害剤です。 IL-1βのいずれかによって誘導される血管細胞接着分子-1(VCAM-1)の発現を阻害します。またはTNF-α。
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Cas No.: 191089-60-8
Sample solution is provided at 25 µL, 10mM.
Description:
IC50: 9 μM
The main function of the proteasome is to degrade unneeded or damaged proteins by proteolysis, a chemical reaction that breaks peptide bonds. Proteasome inhibition is now considered a unique and effective way to kill cancer cells that can tolerate conventional chemotherapy. K-7174 is a novel orally active proteasome inhibitor.
In vitro: Due to its proteasome inhibitary effect, K-7174 induces transcriptional repression of class I histone deacetylases (HDAC) via caspase-8-dependent degradation of Sp1, the most potent transactivator of class I HDAC genes. HDAC1 overexpression reduces the cytotoxic effect of K-7174 and abrogates histone hyperacetylation without affecting the ubiquitinated protein accumulation in K-7174-treated myeloma cells [1].
In vivo: K-7174 exhibits the therapeutic effects through its anti-proteasome activities, which is stronger when administered orally than intravenously, without obvious side effects in a murine myeloma model. In addition, K-7174 kills bortezomib-resistant myeloma cells carrying a β5-subunit mutation in vivo and primary cells from a patient resistant to bortezomib [1].
Clinical trial: Up to now, K-7174 is still in the preclinical development stage.
Reference:
[1] Kikuchi J, Yamada S, Koyama D, Wada T, Nobuyoshi M, Izumi T, Akutsu M, Kano Y, Furukawa Y. The novel orally active proteasome inhibitor K-7174 exerts anti-myeloma activity in vitro and in vivo by down-regulating the expression of class I histone deacetylases. J Biol Chem. 2013 Aug 30;288(35):25593-602.
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