proteasome inhibitor

Proteasome inhibitor IX (PS-IX) is an inhibitor of chymotrypsin-like activity of the 20S proteasome (IC50 ~1 μM). Proteasome inhibitor IX shows potent anticancer activity. Proteasome inhibitor IX exhibits HCT116 p53+ + cells growth inhibitory activity(IC50 = 1.49 μM).

Immunoproteasome inhibitor 1 is a highly potent and reversible inhibitor of both immunoproteasome and proteasome activity. It exhibits time-independent inhibitory effects on immunoproteasome subunits β5c, β1i, and β5i, with respective Ki values of 1.18 μM, 0.27 μM, and 1.91 μM. This compound shows promising potential for the treatment of select neoplastic diseases [1].

Bortezomib (LDP 341) is a 20S proteasome inhibitor (Ki=0.6 nM) that is reversible and selective. Bortezomib has antitumor activity and inhibits NF-κB, which can disrupt the cell cycle and induce apoptosis.

MG-132 (Z-Leu-Leu-Leu-al) is a 26S proteasome inhibitor (IC50=100 nM) that is cell-permeable and reversible. MG-132 acts as an autophagy activator and also induces apoptosis.

Aprotinin (Traskolan) is a broad-spectrum serine protease (BPTI) inhibitor that inhibits the activity of a number of different esterases and proteases. Aprotinin is an antifibrinolytic agent used to minimize hemorrhage during complex surgical procedures.

Capzimin is a selective inhibitor of proteasome isopeptidase Rpn11.

Vepdegestrant (ARV-471) is an estrogen receptor (ER) α PROTAC molecule that degrades ER in ER-positive breast cancer cell lines with a DC50 of approximately 1 nM. It can reduce the expression of classically regulated ER target genes and inhibit the growth of ER-dependent cell lines (including those expressing ESR1 variants, such as Y537S and D538G) by degrading ER.

Torbafylline, a xanthine derivative, is a phosphodiesterase (PDE) inhibitor that attenuates burn-induced protein hydrolysis in rat skeletal muscle through activation of the PDE4/cAMP/EPAC/PI3K/Akt pathway, and inhibits the enhanced ubiquitin-proteasome-dependent protein hydrolysis in skeletal muscle of cancer- and sepsis-prone rats.

MV151 is a cell-permeable, fluorescent, broad-spectrum proteasome inhibitor that specifically targets all active subunits of the proteasome and immunoproteasome in living cells and can be used to label the proteasome in vitro and in vivo.

USP28-IN-3 is a highly selective USP28 inhibitor with an IC50 value of 0.1 μM against USP28.USP28-IN-3 exhibits anticancer activity and inhibits USP2, USP7, USP8, USP9x, UCHL3, and UCHL5.USP28-IN-3 is cytotoxic to human colorectal and lung squamous carcinoma cells, inhibiting c-cells and c-neutralizing c-neutralizing c-neutralizing c-neutralizing c-neutralizing c-neutralizing c-neutralizing c-cells through the ubiquitin-proteasome system. -proteasome system to dose-dependently downregulate cellular levels of c-Myc.

E3 ligase Ligand 23 is a cereblon binding agent that degrades Ikaros or Aiolos via the ubiquitin proteasome.

Gabexate mesylate (FOY) is a serine proteinase inhibitor used therapeutically in the treatment of pancreatitis, disseminated intravascular coagulation (DIC), and as a regional anticoagulant for hemodialysis. The drug inhibits the hydrolytic effects of thrombin, plasmin, and kallikrein, but not of chymotrypsin and aprotinin.

Alloxan Monohydrate is a diabetogenic agent that acts as a proteasome inhibitor and induces diabetes in experimental animals by damaging the insulin-secreting β-cells in the pancreas. It is commonly used to establish diabetes models.

4'-Hydroxychalcone (2-Benzal-4-Hydroxyacetophenone) is a chalcone metabolite with hepatoprotective activity

Ixazomib citrate (MLN9708) is a prodrug of Ixazomib (MLN-2238) and an orally bioavailable second-generation proteasome inhibitor with an IC50 of 3.4 nM, exhibiting potential antineoplastic activity.

ML604440 is a cell permeable proteasome β1i (LMP2) subunit inhibitor.

UT-34 is a selective and orally active antagonist of second-generation pan-androgen receptor (AR) and degrader(IC50s of 211.7 nM, 262.4 nM and 215.7 nM for wild-type, F876L and W741L AR, respectively), and has anti-prostate cancer efficacy.

LDN-57444 is a reversible, competitive inhibitor of the proteasome Uch-L1 with an IC50 of 0.88 μM.

B-AP15 (NSC-687852)(NSC-687852) is a selective inhibitor of the deubiquitinating enzymes Usp14 and UCHL5 of the 26S proteasome. It blocks the deubiquitinating activity of the 26S proteasome.

Delanzomib (CEP-18770) is an orally active inhibitor of the chymotrypsin-like activity of proteasome (IC50: 3.8 nM). It only marginally inhibits the tryptic and peptidylglutamyl activities of the proteosome.

Oprozomib (PR-047) (ONX 0912) , an inhibitor for CT-L activity of 20S proteasome β5(IC50=36 nM) LMP7(IC50=82 nM), is orally bioavailable. Oprozomib also has potential antineoplastic activity.

Degrasyn (WP1130) (WP1130), a specific deubiquitinase (DUB: USP5, UCH-L1, USP9x, USP14, and UCH37) inhibitor, also inhibits Bcr Abl, which is a JAK2 transducer (without affecting 20S proteasome) and activator of transcription (STAT).

PI-1840(IC50 = 27 nM)is a reversible and selective chymotrypsin-like (CT-L) inhibitor, with little proteasome proteolytic effects on trypsin-like (T-L) and postglutamyl-peptide-hydrolysis-like (PGPH-L).

LQZ-7F is a small molecule survivin dimerisation inhibitor with anticancer activity.LQZ-7F induces proteasome-dependent survivin degradation, mitotic arrest, and apoptosis, and blocks human tumour growth in mouse xenograft assays.