TLR8 agonist 5 is a potent TLR8 agonist with an EC50 value of 20 nM for HEK-Blue hTLR8. TLR8 agonist 5 activates the immune response[1].
Resatorvid (TAK-242) is a potent TLR4 signaling inhibitor which selectively inhibits the TLR4-mediated production of cytokines and nitric oxide.
Cobitolimod is a DNA oligonucleotide agonist of TLR-9 with anti-inflammatory activity. Cobitolimod suppresses Th17 cells and induces anti-inflammatory FoxP3 and IL-10 expression, inhibiting the IL-17 signaling pathway[1].
TLR7 agonist 4 (Compound 1.2) is a TLR7 agonist with an EC50 of 4.3 nM[1].
AN-3485 is a benzoxaborole analog, Toll-Like Receptor(TLR) inhibitor with IC50 values ranging from 18 to 580 nM.
Diprovocim is a potent Toll-like receptor TLR1/TLR2 agonist that induces dose-dependent TNF production with EC50 of 110 pM in human THP-1 cells and 1.3 nM in primary mouse peritoneal macrophages; induces TNF production in bone marrow-derived dendritic cells (BMDC) with EC50 of 6.7 nM, also induces IL-6 production by mouse BMDC; induces phosphorylation of IKKα, IKKβ, p38, JNK, and ERK, as well as degradation of IκBα in THP-1 cells and mouse peritoneal macrophages, activates conventional TLR1/TLR2 signaling, including MAPK and canonical NF-κB signaling; synergizes with anti-PD-L1 to eliminate melanoma in mice.
Lefitolimod (MGN 1703) is a DNA-based TLR9 agonist and an immune surveillance reactivator. Lefitolimod induces HIV-specific immune responses and can be used for the research of cancer and HIV-1[1][4].
Ruzotolimod is the agonist of TLR7. Ruzotolimod has the potential for the research of HBV, COVID-19 or SARS-CoV-2 infection (extracted from patent WO2021130195A1)[1].
MC-Val-Cit-PAB-Amide-TLR7 agonist 4 (example 15) is a HER2-TLR7 and HER2-TLR8 immune agonist conjugate[1].
C29 is a Toll-like receptor 2 (TLR2) inhibitor.
AXC-715 hydrochloride is a TLR7/TLR8 dual agonist, extracted from patent WO2020168017 A1[1]. AXC-715, 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[2].
TLR7 agonist 6 (compound IIb-19) is an TLR7 agonist with an EC50 value of ~4 nM[1].
TLR7/8-IN-1 is a crystalline from of a TLR7/TLR8 inhibitor extracted from patent WO2019220390, compound 2b. TLR7/8-IN-1 can be used for the research of autoimmune disease[1].
CU-CPT-9b is a specific TLR8 antagonist, with an IC50 of 0.7 nM.
BMS-905 is a potent dual inhibitor of TLR7 and TLR8 with IC50 of 0.3 nM (TLR7, IL-6 inhibition in mouse blood), shows good selectivity against TLR9 and other TLR family members.
ODN 2336 is a A-Class CpG ODN (oligodeoxynucleotides), is a potent TLR9 agonist. ODN 2336 induces the production of IFN-α. ODN 2336 up-regulates the expression of IP-10 mRNA and IL-18 mRNA. ODN 2336 can be used as adjuvant of vaccines[1][2][3].
Selgantolimod (GS-9688; GS9688) is a novel toll-like receptor TLR8 modulator for the treatment of HIV infection.
TLR9-IN-1 is a potent and selective TLR9 inhibitor with an IC50 value of 7 nM for human TLR9. TLR9-IN-1 can be used for researching diseases associated with undesirable immune response[1].
TLR7 agonist 5 (compound IIb-11) is an TLR7 agonist with an EC50 value of ~4 nM[1].
NCI126224 is a TLR4 signaling inhibitor. NCI126224 suppress LPS (HY-D1056)-induced production of NF-κB, TNF-α, IL-1β, and NO in the nanomolar-low micromolar range. NCI126224 can be used for the research of inflammatory diseases[1].
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.
Vidutolimod (CMP-001) is a CpG-A oligodeoxynucleotide. Vidutolimod is a Toll-like receptor 9 (TLR9) agonist, which activates plasmacytoid dendritic cells (pDCs) and triggers interferon alpha (IFNα) release, leading to a cascade of anti-tumor immune effects.
TLR 7 agonist 1 is a potent, selective and oral TLR7 agonist with an IC50 of 90 nM.
AZD8848 is a selective toll-like receptor 7 (TLR7) antedrug agonist which is developed for the research of asthma and allergic rhinitis[1].
CU-115 is a potent TLR8 antagonist (IC50=1.04 µM), and shows selective for TLR8 over TLR7 (IC50=>50 µM). CU-115 decreases TNF-α and IL-1β production activated by R-848 in THP-1 cells[1].
E104 (compound 1) is a potent and selective TLR7 agonist. E104 can be delivered by antibody-drug conjugate (ADC) technology to elicit potent anticancer activity. E104 induces the activation of mouse macrophages and hPBMCs[1].
AT791 is a novel orally available, small molecule inhibitor of TLR7 and TLR9 with IC50 of 3.33 uM and 0.04 uM respectively, inhibits DNA-TLR9 interaction in vitro; shows weak activity against TLR4 (IC50>10 uM); potently inhibits IL-6 production induced by CpG2216 and suppresses both IL-6 and α-interferon production induced by CpG oligo.
TLR7-agonist-1 is a potent and selective Toll-like Receptor 7 (TLR7) agonist with a LEC of 0.4 μM.
TLR7/8 agonist 4 TFA (compound 41) is a potent TLR7/8 agonist. TLR7/8 agonist 4 has anti-cancer activity[1].
Atractylenolide I is a sesquiterpene derived from the rhizome of Atractylodes macrocephala, possesses diverse bioactivities, such as neuroprotective, anti-allergic, anti-inflammatory and anticancer properties. Atractylenolide I reduces protein levels of phosphorylated JAK2 and STAT3 in A375 cells, and acts as a TLR4-antagonizing agent.