1. Signaling Pathways
  2. Immunology/Inflammation
  3. Toll-like Receptor (TLR)

Toll-like Receptor (TLR)

Toll-like receptors (TLRs) are a class of proteins that play a key role in the innate immune system. They are single, membrane-spanning, non-catalytic receptors usually expressed in sentinel cells such as macrophages and dendritic cells, that recognize structurally conserved molecules derived from microbes. Once these microbes have breached physical barriers such as the skin or intestinal tract mucosa, they are recognized by TLRs, which activate immune cell responses. The TLRs include TLR1, TLR2, TLR3, TLR4, TLR5, TLR6, TLR7, TLR8, TLR9, TLR10, TLR11, TLR12, and TLR13. Toll-Like Receptors (TLRs) play a critical role in the early innate immune response to invading pathogens by sensing microorganism and are involved in sensing endogenous danger signals. TLRs are evolutionarily conserved receptors are homologues of the Drosophila Toll protein, discovered to be important for defense against microbial infection. TLRs recognize highly conserved structural motifs known as pathogen-associated microbial patterns (PAMPs), which are exclusively expressed by microbial pathogens.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-144497
    HE-S2
    Activator
    HE-S2 is an antibody-drug conjugate triggering a potent antitumor immune response. HE-S2 acts by blocking the PD-1/PD-L1 interaction and activating the Toll-like receptor 7/8 (TLR7/8) signaling pathway. HE-S2 has remarkable antitumor activity.
    HE-S2
  • HY-159743
    M101
    M101 is a vaccine adjuvant and a key component in vaccines. Adjuvants can be divided into immunostimulants and delivery systems. Adjuvants can not only enhance the intensity and durability of immune responses, but also affect the type of immune responses. On the one hand, immunostimulants promote the production of antigen signals and co-stimulatory signals by targeting Toll-like receptors (TLRs) and other pattern recognition receptors (PRRs), leading to the maturation and activation of antigen presenting cells (APCs), thereby enhancing adaptive immune responses; on the other hand, delivery systems are carrier materials that promote antigen delivery by prolonging the bioavailability of loaded antigens and targeting antigens to lymph nodes or APCs. Several common adjuvants include: saponins, TLRs agonists, polysaccharides, nanoparticles, cytokines, and mucosal adjuvants.
    M101
  • HY-159100
    PVP-037
    Agonist
    PVP-037 is a potent TLR7 and TLR8 agonist adjuvant. PVP-037 shows broad innate immune activation and enhances vaccine immune responses .
    PVP-037
  • HY-155801
    CRX 527
    Ligand
    CRX 527 is a ligand of TLR4 and also serves as an adjuvant for peptide-based cancer vaccines, showing potential to enhance anti-tumor immune responses. CRX 527 can also induce HSC differentiation, increase the proportion and quantity of LSK cells, and promote their differentiation into macrophages, activating immune defense and protecting intestinal epithelium from radiation damage.
    CRX 527
  • HY-145885
    TLR7/8 agonist 6
    Agonist
    TLR7/8 agonist 6 (Compound 4) is the potent agonist of TLR7/8 with IC50s of 0.18 and 5.34 μM, respectively. TLR7/8 agonist 6 is an imidazoquinoline derivative compound. Toll-like receptors (TLRs) 7 and 8 are key targets in the development of immunomodulatory drugs for researching infectious disease, cancer, and autoimmune disorders.
    TLR7/8 agonist 6
  • HY-107352S
    Fosfenopril-d7
    Fosfenopril-d7 is deuterium labeled Fosfenopril.
    Fosfenopril-d<sub>7</sub>
  • HY-150212A
    Tilsotolimod sodium
    Inhibitor
    Tilsotolimod (sodium) is a synthetic Toll-like receptor 9 (TLR9) agonist that has demonstrated antitumor activity in preclinical models.
    Tilsotolimod sodium
  • HY-P1405
    Pam3CSK4-Biotin
    Agonist
    Pam3CSK4-Biotin is biotinylated Pam3CSK4. Pam3CSK4-Biotin is a Toll-like receptor 1/2 (TLR1/2) agonist.
    Pam3CSK4-Biotin
  • HY-169242
    JAK1-IN-16
    Inhibitor
    JAK1-IN-16 (compound 4l) is an inhibitor of JAK1/STAT3 and effectively downregulates TLR4 protein expression..
    JAK1-IN-16
  • HY-153070
    TLR7 agonist 5
    Agonist
    TLR7 agonist 5 (compound IIb-11) is an TLR7 agonist with an EC50 value of ~4 nM.
    TLR7 agonist 5
  • HY-159751
    HS101
    Agonist
    HS101 is a vaccine adjuvant and a key component in vaccines. Adjuvants can be divided into immunostimulants and delivery systems. Adjuvants can not only enhance the intensity and durability of immune responses, but also affect the type of immune responses. On the one hand, immunostimulants promote the production of antigen signals and co-stimulatory signals by targeting Toll-like receptors (TLRs) and other pattern recognition receptors (PRRs), leading to the maturation and activation of antigen presenting cells (APCs), thereby enhancing adaptive immune responses; on the other hand, delivery systems are carrier materials that promote antigen delivery by prolonging the bioavailability of loaded antigens and targeting antigens to lymph nodes or APCs. Several common adjuvants include: saponins, TLRs agonists, polysaccharides, nanoparticles, cytokines, and mucosal adjuvants.
    HS101
  • HY-RS14581
    Tlr2 Mouse Pre-designed siRNA Set A
    Inhibitor

    Tlr2 Mouse Pre-designed siRNA Set A contains three designed siRNAs for Tlr2 gene (Mouse), as well as a negative control, a positive control, and a FAM-labeled negative control.

    Tlr2 Mouse Pre-designed siRNA Set A
    Tlr2 Mouse Pre-designed siRNA Set A
  • HY-164386
    Defoslimod
    Agonist
    Defoslimod (OM 174) is an agonist for TLR4 receptor and acts as an immunomodulator. Defoslimod activates macrophages and dendritic cells, induces cytokines secretion, and exhibits antitumor efficacy in rats.
    Defoslimod
  • HY-111782
    8-Mercaptoguanosine
    Activator
    8-Mercaptoguanosine is an immunoadjuvant that affects the in vivo antibody response to the T-cell-independent antigen TNP-Ficoll. 8-Mercaptoguanosine enhances IgG1, IgG2, and IgG3 antibody responses, but has no effect on IgM antibody responses. 8-Mercaptoguanosine also enhances antibody responses to very weak antigens such as pneumococcal polysaccharide and restores antibody responses in immunodeficient xid mice that are non-reactive to TNP-Ficoll.
    8-Mercaptoguanosine
  • HY-N6928R
    Mogroside III-E (Standard)
    Mogroside III-E (Standard) is the analytical standard of Mogroside III-E. This product is intended for research and analytical applications. Mogroside III-E is a cucurbitane-type compound isolated from Siraitia grosvenorii, inhibits NO release, with anti-fibrotic activity.
    Mogroside III-E (Standard)
  • HY-150751A
    Biotin-labeled ODN TTAGGG sodium
    Biotin-labeled ODN TTAGGG (sodium), a inhibitory oligonucleotide (ODN), is a TLR9, AIM2 and cGAS antagonist. Biotin-labeled ODN TTAGGG (sodium) can be used to evaluate CpG ODN cellular uptake and localization using a biotin detection system and light microscopy.
    Biotin-labeled ODN TTAGGG sodium
  • HY-150724A
    Biotin-labeled ODN 1018 sodium
    Biotin-labeled ODN 1018 (sodium), an oligodeoxynucleotide, is a TLR-9 agonist. Biotin-labeled ODN 1018 (sodium) can be used to evaluate CpG ODN cellular uptake and localization using a biotin detection system and light microscopy.
    Biotin-labeled ODN 1018 sodium
  • HY-150219
    ODN M326
    Agonist
    ODN M326 (CpG-ODN M326) is a potent TLR9 agonist. ODN M326 induces the production of TNF. ODN M326 can be used as a vaccine adjuvant.
    ODN M326
  • HY-P990519
    Anti-TLR3/CD283 Antibody (CNTO5429)
    Anti-TLR3/CD283 Antibody (CNTO5429) is a CHO expressed human antibody that targets TLR3/CD283. Anti-TLR3/CD283 Antibody (CNTO5429) has a huIgG2 heavy chain and huκ light chain, with a predicted molecular weight (MW) of 145.42 kDa. The isotype control for Anti-TLR3/CD283 Antibody (CNTO5429) can be referenced as Human IgG4 kappa, Isotype Control (HY-P99003).
    Anti-TLR3/CD283 Antibody (CNTO5429)
  • HY-161631
    TLR8 agonist 9
    Agonist
    TLR8 agonist 9 (Compound II-77) is an agonist for Toll-like receptor 8 (TLR8) with EC50 of 0.25-1 μM. TLR8 agonist 9 is stable in human and murine plasma, induces secretion of cytokines TNFα, with EC50 <1 μM. TLR8 agonist 9 exhibits antitumor activity in MC38-HER2 xenograft mouse model with a tumor growth inhibition (TGI) rate of 97%.
    TLR8 agonist 9
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity

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