IL-6 Selective Inhibitors

Catalog No.	Product Name	Information	Selective / Pan	IC50 / Ki
S3261	Myrislignan	Myrislignan, a lignan isolated from Myristica fragrans Houtt, possesses anti-inflammatory activities. Myrislignan inhibits interleukin-6 (IL-6) and tumour necrosis factor-α (TNF-α). Myrislignan significantly inhibits the expressions of inducible NO synthase (iNOS) and cyclooxygenase-2 (COX-2) dose-dependently in LPS-stimulated macrophage cells. Myrislignan inhibits the NF-κB signalling pathway activation.	Selective
S3312	Diethyl phosphate	Diethyl phosphate (DEP, DPF, Diethyl phosphoric acid, diethyl hydrogen phosphate), a non-specific metabolite of organophosphorus pesticides in the gut environment, significantly enriches opportunistic pathogens leading to a decrease in interleukin-6 (IL-6).	Selective
S7455	Resatorvid (TAK-242)	Resatorvid (TAK-242, CLI-095) is a small-molecule-specific inhibitor of Toll-like receptor (TLR) 4 signaling, blocking LPS-induced production of NO, TNF-α and IL-6 in macrophages with IC50 of 1.8 nM, 1.9 nM and 1.3 nM, respectively. Resatorvid downregulates expression of TLR4 downstream signaling molecules MyD88 and TRIF. Resatorvid inhibits autophagy.	Selective	IL-6, IC50: 1.3 nM
S0139	MD2-TLR4-IN-1	MD2-TLR4-IN-1 (Compound 22m) is a potent inhibitor of myeloid differentiation protein 2/toll-like receptor 4 (MD2-TLR4). MD2-TLR4-IN-1 (compound 22m) inhibits lipopolysaccharide (LPS)-induced expression of tumor necrosis factor alpha (TNF-α) and interleukin-6 (IL-6) in macrophages with IC50 of 0.89 μM and 0.53 μM, respectively.	Selective	IL-6, IC50: 0.53 μM
S9374	2',5'-Dihydroxyacetophenone	2',5'-Dihydroxyacetophenone (DHAP, 2-Acetylhydroquinone, Quinacetophenone) is a mixture of dihydroxyacetophenone isomers is used in food flavouring. 2',5'-Dihydroxyacetophenone significantly inhibits NO production via the suppression of iNOS expression. 2',5'-Dihydroxyacetophenone significantly decreases levels of the pro-inflammatory cytokines TNF-α and IL-6 by blocking the ERK1/2 and NF-κB signaling pathways.	Selective
S3138	Methylthiouracil	Methylthiouracil (NSC-193526, NSC-9378,MTU) is an antithyroid agent. Methylthiouracil suppresses the production TNF-α and IL-6, and the activation of NF-κB and ERK1/2.	Selective
S9417	Homoplantaginin	Homoplantaginin (Hispidulin-7-glucoside), a main flavonoid from a traditional Chinese medicine Salvia plebeia, has anti-inflammatory and anti-oxidant properties. Homoplantaginin inhibits TNF-α and IL-6 mRNA expression, IKKβ and NF-κB phosphorylation.	Selective
S5579	Chelidonic acid	Chelidonic acid (Jerva acid, Jervaic acid, γ-Pyrone-2,6-dicarboxylic acid) is a secondary metabolite found in several plants with therapeutic potential in allergic disorders in experimental animals. Chelidonic acid inhibits IL-6 production by blocking NF-κB and caspase-1 in HMC-1 cells. Chelidonic acid is also an inhibitor of glutamate decarboxylase with Ki of 1.2 μM.	Selective
S0777	Isuzinaxib (APX-115 free base)	Isuzinaxib (APX-115 free base, Ewha-18278 free base) is a potent, orally active inhibitor of pan NADPH oxidase (pan-Nox) with Ki of 1.08 μM, 0.57 μM, and 0.63 μM for Nox1, Nox2 and Nox4, respectively. APX-115 free base (Ewha-18278 free base) significantly suppresses the expression of inflammatory molecules including MCP-1/CCL2, IL-6, and TNFα in the diabetic kidney.	Selective
S5973	Methylprednisolone Acetate	Methylprednisolone (NSC-19987, Medrol) acetate is a synthetic glucocorticoid receptor agonist, used to achieve prompt suppression of inflammation. Methylprednisolone activates ACE2 and reduces IL-6 levels, thus improves severe or critical COVID-19. Methylprednisolone markedly reduces autophagy and apoptosis.	Selective
S0781	IQ 3	IQ 3 is a specific c-Jun N-terminal kinase (JNK) inhibitor with Kd of 66 nM, 240 nM and 290 nM for JNK3, JNK1 and JNK2, respectively. IQ 3 inhibits LPS-induced NF-κB/AP1 transcriptional activity in THP1-Blue cells with IC50 of 1.4 μM. IQ 3 also inhibits TNF-α and IL-6 production in vitro.	Selective
S9184	Forsythoside B	Forsythoside B is a phenylethanoid glycoside isolated from the leaves of Lamiophlomis rotata Kudo, a Chinese folk medicinal plant. Forsythoside B has potent neuroprotective effects and has anti-inflammation, antioxidant, and antisepsis properties. Forsythoside B could inhibit TNF-alpha, IL-6, IκB and modulate NF-κB.	Selective
S3590	Triolein	Triolein is an inhibitor of metalloproteinase-1 (MMP-1) and reduces both the expression of IL-6 and ROS generation in irradiated keratinocytes.	Selective
S4966	4-Methylesculetin	4-methylesculetin is one of the coumarin derivatives with great anti-oxidant and anti-inflammatory activities. 4-Methylesculetin inhibits myeloperoxidase (MPO) activity and reduces IL-6 level.	Selective
S5972	Hydrocortisone hemisuccinate	Hydrocortisone hemisuccinate (A-hydrocort, Hydrocortisone 21-hemisuccinate), a physiological glucocorticoid with anti-inflammatory properties, is an inhibitor of proinflammatory cytokine with IC50 of 6.7 μM and 21.4 μM for Interleukin-6 (IL-6) and IL-3, respectively.	Pan	IL-6, IC50: 6.7 μM
S3293	Gardenoside	Gardenoside is a natural compound extracted from Gardenia fruits, with hepatoprotective properties. Gardenoside inhibits TNF-α, IL-1β, IL-6 and NFκB activation. Gardenoside also has an inhibitory effect on free fatty acids (FFA)-induced cellular steatosis. Gardenoside suppresses the pain in rats model of chronic constriction injury by regulating the P2X3 and P2X7 receptors.	Pan
S6850	NE 52-QQ57	NE 52-QQ57 is a selective, and orally available antagonist of G-protein coupled receptor 4 (GPR4) with IC50 of 0.07 μM. NE 52-QQ57 effectively blocks GPR4-mediated cAMP accumulation with IC50 of 26.8 nM in HEK293 cells. The antagonism of GPR4 with NE 52-QQ57 significantly inhibits the AGE-induced increased expression of several key inflammatory cytokines and signaling molecules, including tumor necrosis factor-α (TNF-α), interleukin (IL)-1β, IL-6, inducible nitric	Pan
S3304	Stylopine	Stylopine ((R,S)-Stylopine, Tetrahydrocoptisine) reduces nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-alpha (TNF-alpha) and interleukin-1beta (IL-1beta), and the IL-6 production and cyclooxygenase-2 (COX-2) activity caused by the LPS stimulation. Stylopine is a major component of the leaf of Chelidonium majus L.	Pan
S1189	Aprepitant	Aprepitant is a potent and selective neurokinin-1 receptor antagonist with IC50 of 0.1 nM. Aprepitant reduces levels of pro-inflammatory cytokines including G-CSF, IL-6, IL-8 and TNFα. Aprepitant inhibits HIV infection of human macrophages.	Pan
S3292	Falcarindiol	Falcarindiol (FAD, (3R,8S)-Falcarindiol, FaDOH) is a natural polyacetylene compound found rich in many plants of the Umbelliferae family. Falcarindiol suppresses LPS-stimulated expression of inducible nitric oxide synthase (iNOS), tumor necrosis factor alpha (TNFα), interleukin-6 (IL-6), and interleukin-1 beta (IL-1β). Falcarindiol attenuates the LPS-induced activation of JNK, ERK, STAT1, and STAT3 signaling molecules.	Pan
S3871	Muscone	Muscone (3-Methylcyclopentadecanone, Methylexaltone), a flavouring ingredient, is an organic compound that is the primary contributor to the odor of musk and also a potent anti-inflammatory agent. Muscone significantly downregulats the levels of LPS-induced inflammatory cytokines and inhibits NF-κB and NLRP3 inflammasome activation in BMDMs. Muscone remarkably decreases the levels of inflammatory cytokines (IL-1β, TNF-α and IL-6).	Pan
S9075	Mulberroside A	Mulberroside A, isolated from the ethanol extract of Morus alba roots, is widely employed as an active ingredient in cosmetic products due to its anti-tyrosinase and anti-oxidant activities. Mulberroside A decreases the expressions of TNF-α, IL-1β and IL-6 and inhibits the activation of NALP3, caspase-1 and NF-κB and the phosphorylation of ERK, JNK and p38.	Pan
S3299	Demethyleneberberine	Demethyleneberberine (DMB), a component of Cortex Phellodendri Chinensis (CPC), significantly alleviates the weight loss and diminishes myeloperoxidase (MPO) activity, while significantly reduces the production of pro-inflammatory cytokines, such as interleukin (IL)-6 and tumor necrosis factor-α (TNF-α), and inhibits the activation of NF-κB signaling pathway. Demethyleneberberine (DMB) potentially ameliorates NAFLD (Non-alcoholic fatty liver disease) by activating	Pan