IKK-IN-3 is a potent and selective IkappaB kinase 2 (IKK2 or IKKβ) inhibitor, with IC50s of 19 and 400 nM for IKK2 and IKK1 (or IKKα), respectively[1].
GS143 is a selective IκBα ubiquitination inhibitor with an IC50 of 5.2 μM for SCFβTrCP1-mediated IκBα ubiquitylation. GS143 suppresses NF-κB activation and transcription of target genes and does not inhibit proteasome activity. GS143 has anti-asthma effect[1][2].
INH14 is a cell permeable inhibitor of IKKα/IKKβ, with IC50s of 8.97 and 3.59 μM, respectively. INH14 inhibits the IKKα/β-dependent TLR inflammatory response. INH14 also inhibits downstream of TAK1/TAB1 and NF-kB pathways. Anti-inflammatory and anti-cancer activity[1].
DMX-129 is an ΙΚΚε and TBK-1 inhibitor with IC50 values of <30 nM for both TBK1 and IKKε[1].
MLN120B is a specific, ATP competitive IKKβ inhibitor with an IC50 of 60 nM.
Verproside, a catalpol derivative iridoid glycoside isolated from the genus Pseudolysimachion, represses TNF-α -induced MUC5AC expression by inhibiting NF-κB activation via the IKK/IκB signaling cascade. Verproside has potent anti-inflammatory, antioxidant, antinociceptive activities and ir is a potent anti-asthmatic/COPD drug candidate in vivo[1].
TBK1-IKKε inhibitor II is a potent, selective dual inhibitor of TBK1/IKKε with IC50 of 13 nM/59 nM, respectively; displays 100- to 1000-fold less activity against other tested protein kinases including PDK1, PI3K family members and mTOR; inhibits LPS-induced expression of IFNβ (IC50=62 nM), and the IFNβ target genes IP10 (IC50=78 nM) and Mx1 (IC50=20 nM); effectively blocks TLR3-dependent IRF3 nuclear translocation in cells with IC50<100 nM.
BMS-345541 is a selective inhibitor of the catalytic subunits of IKK (IKK-2 IC50=0.3 μM, IKK-1 IC50=4 μM). BMS-345541 binds at an allosteric site of IKK.
MRT67307 hydrochloride is a dual inhibitor of the IKKε and TBK-1 with IC50s of 160 and 19 nM, respectively[1]. MRT67307 hydrochloride also inhibits ULK1 and ULK2 with IC50s of 45 and 38 nM, respectively. MRT67307 hydrochloride also blocks autophagy in cells[2].
Malachite green oxalate is a triphenylmethane dye which can be used to detect the release of phosphate in enzymatic reactions. Malachite green oxalate is also a potent and selective inhibitor of IKBKE, and inhibits its downstream targets such as IκBα, p65 and IRF3. Malachite green oxalate exhibits antitumor activity in vitro and in vivo[1][2][3].
IKK 16 hydrochloride is a selective IκB kinase (IKK) inhibitor for IKK2, IKK complex and IKK1 with IC50s of 40 nM, 70 nM and 200 nM, respectively[1]. IKK16 also inhibits leucine-rich repeat kinase-2 (LRRK2) with an IC50 of 50 nM[2].
CGA-JK3 is an IkappaB kinase inhibitor in innate immune process.
Plantainoside D shows ACE inhibitory activity with IC50 2.17 mM[1]. And plantainoside D is a promising IKK-β inhibitor[2].
PS-1145 (dihydrochloride) is a potent IκB kinase-2 inhibitor with an IC50 value of 88 nM. PS-1145 (dihydrochloride) inhibits activity of NF-κB by blocking IκB kinase phosphorylation in tumor-bearing rats[1].
TPCA-1 is a potent and selective inhibitor of IKK-2 with IC50 of 17.9 nM.
LY2409881 is a selective IκB kinase β (IKK2) inhibitor with an IC50 of 30 nM.
HPN-01 is a potent and selective IKK inhibitor, with pIC50 values of 6.4, 7.0 and <4.8 for IKK-α, IKK-β and IKK-ε, respectively. HPN-01 displays greater 50-fold selectivity over a panel of more than 50 other kinases, including ALK5, CDK-2, EGFR, ErbB2, GSK3β, PLK1, Src, and VEGFR-2[1].
A novel potent, selective TBK1 PROTAC with DC50 of 12 nM, selectively degrades TBK1 with excellent selectivity against a related kinase IKKε; a chemical tool to assess TBK1 as a target in mutant K-Ras cancer cells.
AZD3264 is a selective IkB-kinase IKK2 inhibitor.
Resveratrol (SRT 501), a natural polyphenol that possesses anti-oxidant, anti-inflammatory, cardioprotective, and anti-cancer properties. It has a wide spectrum of targets including mTOR, JAK, β-amyloid.
PHA 408 (PHA-408) is a potent, selective and orally active IκB kinase-2 (IKK-2) inhibitor. PHA 408 is a powerful anti-inflammatory agent against lipopolysaccharide (LPS)- and cigarette smoke (CS)-mediated lung inflammation[1].
4′-Hydroxywogonin (8-Methoxyapigenin), a flavonoid, could be isolated from a variety of plants including Scutellaria barbata and Verbena littoralis. 4′-Hydroxywogonin has anti-inflammatory activity via TAK1/IKK/NF-κB, MAPKs and PI3/AKT signaling pathways. 4′-Hydroxywogonin inhibits angiogenesis by disrupting PI3K/AKT signaling. 4′-Hydroxywogonin inhibits cell proliferation and induces apoptosis[1][2][3].
Bay 65-1942 hydrochloride is an ATP-competitive and selective IKKβ inhibitor.
SC-514 is a selective IKK-2 inhibitor (IC50=11.2±4.7 μM), which does not inhibit other IKK isoforms or other serine-threonine and tyrosine kinases.
Isophysalin A is a physalin with alpha and beta unsaturated ketone components. Isophysalin A binds to GSH and targets multiple cysteine residues on IKKβ. Isophysalin A also inhibits inducible NO synthase (iNOS) and nitric oxide (NO) production, showing anti-inflammatory activity[1].
Oxaprozin potassium is an orally active and potent COX inhibitor, with IC50 values of 2.2 μM for human platelet COX-1 and and 36 μM for IL-1-stimulated human synovial cell COX-2, respectively. Oxaprozin potassium also inhibits the activation of NF-κB. Oxaprozin potassium induces cell apoptosis. Oxaprozin potassium shows anti-inflammatory activity. Oxaprozin potassium-mediated inhibition of the Akt/IKK/NF-κB pathway contributes to its anti-inflammatory properties[1][2].
BAY32-5915 is a potent IKKα inhibitor with an IC50 value of 60 nM. BAY32-5915 has not affect Doxorubicin (HY-15142A)-induced NF-κB activation[1].
IKK-IN-4 is a potent and selective IkappaB kinase 2 (IKKβ orIKK2) inhibitor, with IC50s of 45 and 650 nM for IKKβ and IKKα, respectively[1].
Chicanine is a lignan compound of Schisandra chinesis, inhibits LPS-induced phosphorylation of p38 MAPK, ERK 1/2 and IκB-α, with anti-inflammatory activity[1].
IKK-IN-1 is an inhibitor of IKK extracted from patent WO2002024679A1, compound example 18-13.