Fosfenopril is a potent angiotensin converting enzyme (ACE) inhibitor. Fosfenopril alleviates lipopolysaccharide (LPS)-induced inflammation by inhibiting TLR4/NF-κB signaling in monocytes[1][2].
TLR8 agonist 6 (Compound A) is a TLR8 agonist, with an EC50 of 0.052 μM. TLR8 agonist 6 induces IL-12p40 production in human PBMC (EC50: 0.031 μM). TLR8 agonist 6 can be used in the research of virus resistance, infection resistance, autoimmunity, tumor, etc[1].
ODN 1018 (1018 ISS), an oligodeoxynucleotide, is a TLR-9 agonist. ODN 1018 is also a synthetic immunostimulatory sequence that can be used as vaccine adjuvant. Sequence: 5′-TGACTGTGAACGTTCGAGATGA-3′[1][2].
β-D-glucan is a natural non-digestible polysaccharide and high biocompatibility that can be selectively recognized by recognition receptors such as Dectin-1 and Toll-like receptors as well as being easily internalized by murine or human macrophages, which is likely to attribute to a target delivery[1]. β-d-glucan is an enteric delivery vehicle for probiotics[2].
Tilsotolimod is a synthetic Toll-like receptor 9 (TLR9) agonist that has demonstrated antitumor activity in preclinical models.
Paquinimod is a S100A9 inhibitor, which prevents S100A9 binding to TLR-4.
ODN 105870, a G-modified inhibitory oligonucleotide (INH-ODN), is a selective TLR7 inhibitor. ODN 105870 can be uesd for inflammatory immune responses research[1].
Pam3CSK4 TFA is a toll-like receptor 1/2 (TLR1/2) agonist with an EC50 of 0.47 ng/mL for human TLR1/2[1].
MMG-11 is a potent and selective human TLR2 antagonist. MMG-11 inhibits both TLR2/1 and TLR2/6 signaling with an IC50 of 1.7 µM for Pam3CSK4-induced hTLR2/1 and 5.7 µM for Pam2CSK4-induced hTLR2/6 responses[1].
Hydroxychloroquine is a synthetic antimalarial agent which can also inhibit Toll-like receptor 7/9 (TLR7/9) signaling. Hydroxychloroquine is efficiently inhibits SARS-CoV-2 infection in vitro[1][2][3].
ODN 105871, a G-modified inhibitory oligonucleotide (INH-ODN), is a selective TLR7 inhibitor. ODN 105871 can be uesd for inflammatory immune responses research[1].
Pam3CSK4 is a toll-like receptor 1/2 (TLR1/2) agonist with an EC50 of 0.47 ng/mL for human TLR1/2[1].
CU-T12-9 is a specific TLR1/2 agonist with EC50 of 52.9 nM in HEK-Blue hTLR2 SEAP assay. CU-T12-9 activates both the innate and the adaptive immune systems. CU-T12-9 selectively activates the TLR1/2 heterodimer, not TLR2/6. CU-T12-9 signals through NF-κB and invokes an elevation of the downstream effectors TNF-α, IL-10, and iNOS[1].
TMX-201 is a TLR7 ligand-phospholipid conjugate. TMX-201 shows potent immune stimulatory activity. TMX-201 can be used for breast cancer and melanoma research[1].
ODN 2216 is a TLR9 (toll-like receptor 9) ligand or agonist. ODN 2216 induces high amounts of IFN-α and IFN-β. ODN 2216 induces IFN-α by pDC (plasmacytoid DC) and IL-12 (p40) production by DC (dendritic cells). ODN 2216 stimulates IFN-γ production in peripheral blood mononuclear cells (PBMC), which is indirect and mediated by IFN-α/β. ODN 2216 can activate NK cells and promote IFN-γ production of TCR-triggered CD4+ T cells[1][2][3][4].
TL8-506 is a specific TLR8 agonist with an EC50 of 30 nM. TL8-506 can be used for the research of tuberculosis and autoimmune diseases[1].
4-Methoxylonchocarpin is an orally active anti-inflammatory agent. 4-methoxylonchocarpin inhibits the binding of LPS to Toll-like Receptor (TLR) TLR4 to inhibit NF-κB activation and TNF Receptor and IL-6 expression. 4-Methoxylonchocarpin also inhibits the phosphorylation of TGF-beta activated kinase 1 and TNBS-induced expression of IL-1β, IL-17A, and TNF. 4-methoxylonchocarpin can improve 2,4, 6-trinitrobenzene sulfonic acid (TNBS)-induced colitis mouse model[1].
ODN M362, a class C oligodeoxynucleotide, is a TLR-9 agonist and can be used as a vaccine adjuvant. ODN M362 induces cancer cell apoptosis[1][2].
TLR7/8/9-IN-1 is a potent and orally bioavailable small molecule antagonist (IC50 = 43 nM) of Toll-like receptors 7/8/9 (TLR7/8/9).
Afimetoran is a toll-like receptor antagonist, which can be used in the research of inflammatory and autoimmune diseases[1].
TLR4 agonist-1 (compound 17a) is a potent agonist of Toll-like Receptor 4 (TLR4), and induces the generation of MIP-1β in RAW 264.7 and MM6 cells[1].
CU CPT 22 is a toll-like receptor 1 and 2 (TLR1/2) inhibitor with an IC50 of 0.58 µM.
Sparstolonin B acts as a selective TLR2 and TLR4 antagonist and selectively blocks TLR2- and TLR4-mediated inflammatory signaling. Sparstolonin B has anti-HIV and anticancer activities[1][2].
ODN 2007, a class B CpG ODN (oligodeoxynucleotide), is a Toll-like receptor (TLR) ligand. ODN 2007 can be used as an immunomodulator, vaccine adjuvant, and enhance immune responses in mammals, fish, and humans. ODN 2007 sequence: 5'-TCGTCGTTGTCGTTTTGTCGTT-3'[1][2][3].
Sulfo-ara-F-NMN (CZ-48) is a mimetic of nicotinamide mononucleotide (NMN). Sulfo-ara-F-NMN acts selectively, activating SARM1 but inhibiting CD38 (IC50 around 10 μM). Sulfo-ara-F-NMN induces intracellular cyclic ADP-ribose (cADPR) production[1].
NecroX-7 is a potent free radical scavenger and a HMGB1 (high-mobility group box 1) inhibitor. NecroX-7 can be used as an antidote to acetaminophen toxicity. NecroX-7 exerts a protective effect by preventing the release of HMGB1 in ischemia/reperfusion injury. NecroX-7 inhibits the HMGB1-induced release of TNF and IL-6, as well as the expression of TLR-4 and receptor for advanced glycation end products. NecroX-7 can be used graft-versus-host disease (GVHD) research[1].
Chloroquine dihydrochloride is an antimalarial and anti-inflammatory agent widely used to treat malaria and rheumatoid arthritis. Chloroquine dihydrochloride is an autophagy and toll-like receptors (TLRs) inhibitor. Chloroquine dihydrochloride is highly effective in the control of SARS-CoV-2 (COVID-19) infection in vitro (EC50=1.13 μM)[1][2][3][4].
SM-324405 is a TLR7 agonist, with pEC50 values of 7.3 and 6.6 for human TLR7 and Rat TLR7, respectively[1].
Bropirimine is a synthetic agonist for toll-like receptor 7 (TLR7). Bropirimine inhibits differentiation of osteoclast precursor cells into osteoclasts via TLR7-mediated production of IFN-β. Bropirimine is an orally active immunomodulator that has demonstrated anticancer activity in transitional cell carcinoma in situ (CIS) in both the bladder and upper urinary tract[1][2].
L48H37 is an analog of Curcumin (HY-N0005) with improved chemical stability. L48H37 is a potent and specific myeloid differentiation protein 2 (MD2) inhibitor and inhibits the interaction and signaling transduction of LPS-TLR4/MD2. L48H37 inhibits LPS-induced inflammation, particularly TNF-α and IL-6 production and gene expression in mouse macrophages. L48H37 is used for the research of sepsis or lung injury treatment[1].