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

Toll-like Receptor (TLR)

Toll-like Receptor (TLR)

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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.

Toll-like Receptor (TLR) Isoform Specific Products:

Toll-like Receptor (TLR) Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-123789
    T5342126
    		Antagonist 98.1%
    T-5342126 is a toll-like receptor 4 (TLR4) antagonist. It reduces LPS-induced production of nitric oxide (NO) in RAW 264.7 cells (IC50=27.8 μM), as well as decreases LPS-induced IL-8, TNF-α, and IL-6 production in isolated human whole blood (IC50s=110.5, 315.6, and 318.4 μM, respectively). T-5342126 (82 mg/kg) reduces ethanol intake and the abundance of ionized calcium-binding adapter molecule 1 (Iba1), a marker of microglial activation, in the central nucleus of the amygdala in ethanol-dependent mice.
    T5342126
  • HY-P1180
    Pam3CSK4
    		Agonist
    Pam3CSK4 is a toll-like receptor 1/2 (TLR1/2) agonist with an EC50 of 0.47 ng/mL for human TLR1/2.
    Pam3CSK4
  • HY-158694A
    TLR7 agonist 20 hydrochloride
    		Agonist 99.86%
    TLR7 agonist 20 hydrochloride is an imidazoquinoline analogue. TLR7 agonist 20 hydrochloride is a potent TLR7 specific agonist, with an EC50 value of 0.23 μM for hTLR7. TLR7 agonist 20 hydrochloride shows strong adjuvant activity on spike antibody levels which induces a strong T helper 1 (Th1) response with increase in IgG2b and IgG2c, in addition to IgG1.
    TLR7 agonist 20 hydrochloride
  • HY-P991076
    Entolimod
    		Agonist
    Entolimod (CBLB-502), a recombinant protein is a toll-like receptor 5 (TLR5) agonist. Entolimod induces a cascade of TLR5-NF-κB signaling resulting in mobilization to the liver of various components of innate and adaptive immunity, followed by suppression of liver metastases and development of long-term antitumor immune memory.
    Entolimod
  • HY-N8284
    Tomentosin
    		Inhibitor 98.95%
    Tomentosin is an orally active natural sesquiterpenoid lactone. Tomentosin exhibits multiple activities such as anti-tumor, anti-fungal, anti-inflammatory, anti-oxidant and neuroprotective effects. Tomentosin can inhibit tumor cell proliferation, migration and invasion, and induce apoptosis. Tomentosin can be used in the research of tumors, inflammation and nervous system diseases.
    Tomentosin
  • HY-150744
    ODN 24888
    		Inhibitor
    ODN 24888 is an guanine-modified inhibitory oligonucleotides (INH-ODN), shows potent inhibition on TLR7/TLR9-mediated signaling. ODN 24888 impairs IFN-α level and NF-κB activation, inhibits IL-6 release. ODN 24888 involves in immune and inflammatory responses, can be used as a vaccine adjuvant.
    ODN 24888
  • HY-N3979
    Grossamide
    		Inhibitor ≥98.0%
    Grossamide is a natural product that can be isolated from fructus cannabis, the dried fruit of Cannabis sativa L.. Grossamide has anti-neuroinflammatory effects.
    Grossamide
  • HY-149650
    TLR4 agonist-1
    		Agonist
    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.
    TLR4 agonist-1
  • HY-156693
    MTvkPABC-P5
    		Agonist
    MTvkPABC-P5d, a TLR7 agonist, is an immune stimulant. MTvkPABC-P5d can be used for synthesis of immune-stimulating antibody conjugates (ISACs).
    MTvkPABC-P5
  • HY-153543
    TLR7/8 agonist 8
    		Agonist 98.69%
    TLR7/8 agonist 8 (compound 24m) is a potent toll-like receptor 7/8 (TLR7/8) dual agonist, with EC50s of 27 and 12 nM for hTLR7 and hTLR8, respectively. TLR7/8 agonist 8 can improve the antitumor activity of PD-1/PD-L1 blockade.
    TLR7/8 agonist 8
  • HY-150501
    Diprovocim-X
    		Agonist 98.64%
    Diprovocim-X (compound 35) is a potent TLR1/TLR2 (toll-like receptor 1/2) agonist, with EC50 values of 0.14 and 0.75 nM for hTLR1/TLR2 and mTLR1/TLR2, respectively. Diprovocim-X is a potent adjuvant in vivo in mice, and serves to stimulate the adaptive immune response.
    Diprovocim-X
  • HY-D1056C1
    Lipopolysaccharides, from S. enterica serotype enteritidis
    		Activator
    Lipopolysaccharides, from S. enterica (Salmonella enterica) serotype enteritidis are lipopolysaccharide endotoxins and TLR-4 activators derived from the enteritidis serotype of S. enterica, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from S. enterica serotype enteritidis exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from S. enterica serotype enteritidis can induce systemic inflammatory responses, increasing levels of TNF-α, IFN-γ, IL-6, IL-10, and nitrate in plasma.
    It is recommended to prepare a stock solution of ≥2 mg/mL and ensure that it is fully mixed and dissolved. Due to the adsorption characteristics of LPS, low adsorption centrifuge tubes should be used for aliquoting and storage.
    Lipopolysaccharides, from S. enterica serotype enteritidis
  • HY-RS14592
    Tlr6 Rat Pre-designed siRNA Set A
    		Inhibitor

    Tlr6 Rat Pre-designed siRNA Set A contains three designed siRNAs for Tlr6 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Tlr6 Rat Pre-designed siRNA Set A
    Tlr6 Rat Pre-designed siRNA Set A
  • HY-RS14590
    TLR6 Human Pre-designed siRNA Set A
    		Inhibitor

    TLR6 Human Pre-designed siRNA Set A contains three designed siRNAs for TLR6 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    TLR6 Human Pre-designed siRNA Set A
    TLR6 Human Pre-designed siRNA Set A
  • HY-N12670
    Egg oil
    		Inhibitor ≥99.0%
    Egg oil is a natural oil, which consists primarily of cholesterol, lecithin and glycerides of the fatty acids. Egg oil exhibits activity in regulating the gut microbial dysbiosis, alleviating obesity, insulin resistance and inflammation.
    Egg oil
  • HY-156060
    NCI126224
    		Inhibitor 99.88%
    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.
    NCI126224
  • HY-139785
    Cavrotolimod
    		Inhibitor
    Cavrotolimod is an immunostimulatory spherical nucleic acid (SNA) modified with type B CpG oligonucleotides designed to agonize TLR9 and elicit immune responses useful in oncology applications.
    Cavrotolimod
  • HY-B1370A
    (S)-Hydroxychloroquine
    		Inhibitor
    (S)-Hydroxychloroquine ((S)-HCQ) is the enantiomer of Hydroxychloroquine. Hydroxychloroquine, a synthetic antimalarial agent, inhibits Toll-like receptor 7/9 (TLR7/9) signaling, and shows efficiently inhibits SARS-CoV-2 infection in vitro.
    (S)-Hydroxychloroquine
  • HY-145618
    Polvitolimod
    		Agonist
    Polvitolimod is a TLR7 agonist for research of cancer and infectious disease.
    Polvitolimod
  • HY-139575
    Guretolimod
    		Agonist
    Guretolimod (DSP-0509) is a Toll-like receptor 7 (TLR7) agonist.
    Guretolimod
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
Toll-like Receptor (TLR) Isoform Comparison

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