SMU-14a is a TLR3 inhibitor (IC50: 0.18 µM). SMU-14a inhibits IL-6 secretion in mouse peritoneal macrophages and downregulates TNF-α in human peripheral blood monocytes. SMU-14a exerts anti-inflammatory effects by reducing the phosphorylation of p65, ERK, and TBK1 through NF-κB, MAPK, and IRF3 signaling pathways, and decreasing serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels. SMU-14a can be used in the study of acute hepatitis.

Pixatimod free acid (PG545 free acid) is a mimetic of Heparan Sulfate. 17β-Hydroxy exemestane is an aromatase inhibitor (IC50 = 69 nM) and an androgen receptor (AR) agonist (IC50 = 39.6 nM) that is selective for AR over estrogen receptor α (ERα; IC50 = 21.2 μM). 17β-Hydroxy exemestane stimulates growth of AR- and ERα-positive MCF-7 (EC50= 2.7 μM) and T47D breast cancer cells (EC50s = 0.43 and 1500 nM for AR- and ER-mediated growth, respectively) and inhibits proliferation of testosterone-treated aromatase-overexpressing MCF-7 cells. 17β-Hydroxy exemestane inhibits increases in serum cholesterol and LDL levels and prevents decreases in bone mineral density in the lumbar vertebrae and femur, as well as femoral bending strength and compressive strength of the fifth lumbar vertebrae in ovariectomized rats.

FP20Rha is a potent TLR4 agonist. FP20Rha enhances vaccine efficacy against Pseudomonas aeruginosa.

FGT-4 is a folate receptor β (FR-β) targeting chimeric molecule. FGT-4 is a TLR7 agonist. FGT-4 facilitates the secretion of iNOS and proinflammatory cytokine IL-6 associated with M1 macrophages and enhances the proliferation of cytotoxic CD8+ T cells. FGT-4 has anti-tumor activity in the 4T1 breast cancer mouse model. FGT-4 can be used for the study of cancer immunity.

Creatine ethyl ester (CEE) is a readily available form of creatine used in supplements. Creatine ethyl ester (CEE) upregulates TLRs (TLR2, 3, 4 and TLR7) over the short-term.

AXC-879, a TLR agonist (EC50: 157.2 nM). AXC-879 is an ADC Cytotoxin and can be used for ADC synthesis.

CU-CPT-8m is a nolve TLR8 inhibitor.

RS 09 is a TLR4 agonist. RS 09 promotes NF-κB nuclear translocation and induces inflammatory cytokine secretion in RAW264.7 macrophages in vitro. RS 09 acts as an adjuvant in vivo; RS 09 enhances X-15 specific antibody serum concentrations, when administered with X-15-KLH in mice.

CU-CPD107 is a TLR8-specific small molecule with unique synergistic agonist activities in the presence of ssRNA, but inactive without the aid of ssRNA.CU-CPD107 significantly inhibited of R848-induced signaling in HEK-Blue hTLR8 cells with an IC50 of 13.7 uM.CU-CPD107 only inhibited synthesized small-molecule agonist-induced TLR8 signaling without affecting other TLRs.CU-CPD107 synergistically increased IFN-β, TNF-α, IL-1β, IL-6, and IL-8 mRNA expression levels in the presence of 5 μg/ml ssRNA40 in HEK-Blue hTLR8 cells, whereas CU-CPD107 alone did not. CU-CPD107 only activated TLR8-mediated signaling in the presence of ssRNA.CU-CPD107 showed no pure agonistic activity, addressing a major challenge that has existed for previous TLR7 and TLR8 agonists as vaccine adjuvants or antiviral drugs.

C29 is a potential TLR2 inhibitor.

GSK2245035 is a highly potent and selective intranasal Toll-Like receptor 7 (TLR7) agonist with preferential Type-1 interferon (IFN)-stimulating properties. GSK2245035 has pEC50s of 9.3 and 6.5 for IFNα and TFNα. GSK2245035 effectively suppresses allergen-induced Th2 cytokine production in human peripheral blood cell cultures. GSK2245035 is used for asthma.

Monophosphoryl lipid A (Glucopyranosyl lipid A) is a toll-like receptor 4 agonist. Monophosphoryl lipid A is derived from the cell wall of nonpathogenic Salmonella. Monophosphoryl lipid A can be used for the research of immunization and vaccine.

Polyinosinic-polycytidylic acid (Poly(I:C)) sodium is a synthetic analog of double-stranded RNA and an agonist of toll-like receptor 3 (TLR3) and retinoic acid inducible gene I (RIG-I)-like receptors (RIG-I and MDA5). Polyinosinic-polycytidylic acid sodium can be used as a vaccine adjuvant to enhance innate and adaptive immune responses, and to alter the tumor microenvironment. Polyinosinic-polycytidylic acid sodium can directly trigger cancer cells to undergo apoptosis.

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.

Pam3CSK4 TFA is a toll-like receptor 1/2 (TLR1/2) agonist with an EC50 of 0.47 ng/mL for human TLR1/2.

TAK-242 (Resatorvid), a small-molecule-specific inhibitor of Toll-like receptor (TLR) 4 signaling, inhibits the production of lipopolysaccharide-induced inflammatory mediators by binding to the intracellular domain of TLR4.

AXC-715 trihydrochloride is a TLR7/TLR8 dual agonist, extracted from patent WO2020168017 A1. AXC-715 trihydrochloride, compound D from WO2020190734A1, can be used for synthesis of antibody-adjuvant immunoconjugates, comprising an antibody construct that binds programmed death-ligand 1 (PD-L1) linked to one or more adjuvants.

SZU-106 is a small molecule TLR7 agonist, selectively activates TLR7 and increases the expression of SEAP by activating the NF-κB pathway.

SZU101 is a small molecule TLR7 agonist that directly activates, induces reporter activity (23-fold) in a TLR7-NF-kB reporter system expressed in HEK-293 cells TLR7 signalling.

MHV370 (MHV-370) is a potent, selective, orally bioavailable inhibitor of Toll-like receptors 7 and 8 (TLR7/8) with IC50 of 1.1 and 4.5 nM in cell-based assays.

E567 is a small moleculeTLR2 signaling inhibitor with anti-viral activity, efficiently inhibits both LCMV and HSV-1 induced cytokine responses in both human and mouse cell cultures.

Diprovocim-X is a potent human and murine TLR1/TLR2 agonist with EC50 of 0.14 nM (hTLR1/TLR2) and 0.75 nM (m TLR1/TLR2), respectively.

AZD8848 (AZD 8848) is a potent, selective TLR7 agonist with EC50 of 4 nM for induction of IFNα from human PBMCs and an IC50 of 0.2-1.0 nM for inhibition of IL-5.

ODN 5328 (ODN 2395 Control) can be used as a sequence control for C-class ODN 2395. ODN 5328 shares the sequence with ODN 2395 but contain GpC dinucleotides instead of the CpG motifs.

Enpatoran (M5049) hydrochloride is a potent, orally active, and dual TLR7/8 inhibitor with IC50s of 11.1 nM and 24.1 nM, respectively, in HEK293 cells.

RDR 02308 is a TLR4-MyD88 binding inhibitor that inhibits full-length β-lactamase.

CU-CPT9b is an antagonist of toll-like receptor 8 (TLR8; Kd = 21 nM).

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.

ODN TTAGGG (A151), inhibitory oligonucleotide (ODN), is a TLR9, AIM2 and cGAS antagonist. ODN TTAGGG is immunosuppressive and inhibits AIM2 inflammasome activation, as well as cGAS activation, by competing with DNA. ODN TTAGGG can be used in the study of lupus erythematosus and other related autoimmune diseases. ODN TTAGGG sequence: 5'-T-T-A-G-G-G-T-T-A-G-G-G-T-T-A-G-G-G-T-T-A-G-G-G-3'.

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.