innate immune system

By Targets:	Complement System (1) Bacterial (4) Biochemical Assay Reagents (2) c-Fms (1) Drug Intermediate (1) HBV (1) HCV (1) Interleukin Related (1) mRNA (1) Necroptosis (1) p62 (2) ROS Kinase (1) STING (1) Tau Protein (1) TNF Receptor (1) Toll-like Receptor (TLR) (3)
By Research Areas:	Cancer (4) Infection (6) Inflammation/Immunology (13) Neurological Disease (1)
Oligonucleotides:	Interferon & Receptors (1) mRNA (1)

Targets Recommended: Complement System

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-P99396

Spesolimab BI 655130	Interleukin Related	Inflammation/Immunology
Spesolimab (BI 655130) is a mouse-derived humanized IgG1k antibody against IL-36R. IL-36 plays an important role in the immune system and Spesolimab is being investigated in palmoplantar pustulosis (PPP). Spesolimab was associated with a reduction in biomarkers associated with the innate, Th1/Th17 and neutrophil pathways .

HY-109035

Inarigivir soproxil 1 Publications Verification SB9200; GS-9992	HCV HBV	Infection
Inarigivir soproxil (SB9200) is an agonist of innate immunity and shows potent antiviral activity against resistant HCV variants, with EC₅₀s of 2.2 and 1.0 μM for HCV 1a/1b in cells of genotype 1 HCV replicon systems. Inarigivir soproxil, an orally bioavailable proagent of SB 9000, has broad-spectrum antiviral activity against RNA viruses including HCV, norovirus, respiratory syncytial virus and influenza and HBV .

HY-128570

FD-IN-1	Complement System	Inflammation/Immunology
FD-IN-1 (Compound 12) is an orally bioavailable and selective factor D (FD) inhibitor with an IC₅₀ of 12 nM. Complement FD, a highly specific S1 serine protease, plays a central role in the alternative complement pathway of the innate immune system. FD-IN-1 also inhibits factor XIa (FXIa) and Tryptase β2 with IC₅₀s of 7.7 and 6.5 µM, respectively .

HY-P2076

Dusquetide SGX942	p62 Bacterial	Infection Cancer
Dusquetide (SGX942) is a first-in-class innate defense regulator (IDR). Dusquetide modulates the innate immune response to both PAMPs and DAMPs by binding to p62. Dusquetide shows activity in both reducing inflammation and increasing clearance of bacterial infection . DAMPs: damage-associated molecular patterns; PAMPs: pathogen-associated molecular patterns

HY-110353

CU-T12-9 Maximum Cited Publications 13 Publications Verification	Toll-like Receptor (TLR)	Inflammation/Immunology Cancer
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 .

HY-139410

Sodium caseinates	c-Fms	Inflammation/Immunology
Sodium caseinates is a kind of sodium salts of major milk proteins, which act as protein-based biopolymers and innate immune system activators. Sodium caseinates induce granulopoiesis, activation and differentiation, promote the production of M-CSF, and increase serum levels of G-CSF and GM-CSF. Sodium caseinates inhibit the proliferation and reduce the viability of leukemia macrophage-like cells, thereby significantly improving the survival rate of mice inoculated with leukemia cells. Sodium caseinates can serve as carriers for probiotics in edible films and exhibit anti-Listeria activity. Sodium caseinates effectively protect vitamin A from degradation, enhance its stability, bioaccessibility and bioavailability, and regulate protein digestibility when complexed with vitamin A. Sodium caseinates can be applied to research related to acute monocytic leukemia and vitamin A deficiency .

HY-D1056H

Lipopolysaccharides, from S. marcescens 1 Publications Verification LPS, from Serratia marcescens	Toll-like Receptor (TLR)	Inflammation/Immunology
Lipopolysaccharides, from S. marcescens (Serratia marcescens) are lipopolysaccharide endotoxins and TLR-4 activators derived from Serratia marcescens, 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. marcescens exhibit a typical three-part structure: O-antigen (O-antigen), core oligosaccharide (core oligosaccharide), and lipid A (Lipid A). Lipopolysaccharides, from S. marcescens induce NF-κB activation in mouse cells via Toll-like receptor (TLR4)/MD-2. The lipopolysaccharides of S. marcescens can induce apoptosis in host immune cells, thereby suppressing the host's innate immunity . It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.

HY-P5557

TP4 (Nile tilapia piscidin)	Bacterial Necroptosis	Infection Inflammation/Immunology
TP4 (Nile tilapia piscidin) is an orally active amphipathic α-helical cationic antimicrobial peptide. TP4 (Nile tilapia piscidin) exerts broad-spectrum bactericidal activity against Gram-positive and Gram-negative bacteria by disrupting cell membrane structures, and also exhibits certain hemolytic activity. TP4 (Nile tilapia piscidin) regulates the innate immune system and enhances the expression of lysozymes, cytokines and antioxidant enzymes to resist bacterial infection. TP4 (Nile tilapia piscidin) also stimulates the proliferation of keratinocytes and fibroblasts, and significantly promotes the healing of wounds infected with MRSA. TP4 (Nile tilapia piscidin) can be used in research related to bacterial infection, peritonitis, wound healing and other fields .

HY-101092A

QS-21	Toll-like Receptor (TLR)	Infection Cancer
QS-21 is a mixture of QS-21-Xyl (HY-101092B) and QS-21-Api (HY-101092), with a ratio of 35:65. QS-21 is an innate immune system-targeted adjuvant. QS-21 is promising for research of oncology vaccines (e.g., melanoma) and infectious disease vaccines (e.g., HIV, malaria) .

HY-159114

Whole Glucan Particles	Biochemical Assay Reagents	Inflammation/Immunology
Whole Glucan Particles is a Dectin-1a agonist. Whole Glucan Particles activates the innate immune system to improve the function of macrophages, monocytes and other immune cells .

HY-N16463

QS-S2	Drug Intermediate	Others
QS-S2 is the impurity of QS-21 (HY-101092A). QS-21 is an innate immune system-targeted adjuvant .

HY-148420

CDN-A	STING	Inflammation/Immunology
CDN-A is a cyclic di-nucleotide, it can be used to synthesis antibody-drug conjugate (ADC). Cyclic di-nucleotides are potent stimulators of innate and adaptive immune responses. In humans, cyclic di-nucleotide, which are either produced endogenously in response to foreign DNA or by invading bacterial pathogens, trigger the innate immune system by activating the expression of interferon genes .

HY-144002

RIBI-529 RC-529	Biochemical Assay Reagents	Inflammation/Immunology
RIBI-529 (RC-529), a lipid A mimetic (aminoalkyl glucosaminide 4-phosphate), is a adjuvant with a similar efficacy to MPL (Corixa). RIBI-529 signals through Toll-like receptor 4 to stimulate the innate immune system .

HY-P2076A

Dusquetide TFA SGX942 TFA	p62 Bacterial	Infection Cancer
Dusquetide (SGX942) TFA is a first-in-class innate defense regulator (IDR). Dusquetide TFA modulates the innate immune response to both PAMPs and DAMPs by binding to p62. Dusquetide TFA shows activity in both reducing inflammation and increasing clearance of bacterial infection . DAMPs: damage-associated molecular patterns; PAMPs: pathogen-associated molecular patterns

HY-121397

Phyltetralin	ROS Kinase	Inflammation/Immunology
Phyltetralin (Compound 10) is a natural product than can be isolated from the hexane-ethyl acetate extract of Phyllanthus amarus leaves. Phyltetralin possesses immunosuppressive effects on different lineages of innate immune system .

HY-P2457

rCRAMP (rat)	Bacterial	Infection Inflammation/Immunology
rCRAMP (rat) is the rat cathelin-related antimicrobial peptide. rCRAMP (rat) contributes to the antibacterial activity in rat brain peptide/protein extracts. rCRAMP (rat) is a potential key player in the innate immune system of rat CNS .

HY-116426

IDT	Tau Protein TNF Receptor	Neurological Disease Inflammation/Immunology
IDT is a safe and effective TNFα and innate immune system modulator. IDT significantly reduced paired helical filament tau and fibrillar amyloid accumulation and increased the infiltrating neutrophil population while reducing TNFα expression in this population. IDT can be used in Alzheimer's disease research .

HY-174662

Human IFNG mRNA	mRNA	Inflammation/Immunology
Human IFNG mRNA encodes the human interferon gamma (IFNG) protein, a member of the type II interferon class. IFNG is secreted by cells of both the innate and adaptive immune systems. The active protein is a homodimer that binds to the interferon gamma receptor which triggers a cellular response to viral and microbial infections.

Cat. No.	Product Name

HY-L174

Macrophage Related Compound Library	264 compounds
Macrophages are effector cells of the innate immune system, engulfing bacteria and secreting pro-inflammatory and antibacterial mediators. They are an important component of the first line defense against pathogens and tumor cells. In addition, macrophages play an important role in eliminating damaged cells through programmed cell death. Like all immune cells, macrophages originate from pluripotent hematopoietic stem cells in the bone marrow. Macrophages play key functions in many physiological processes beyond homeostasis and innate immunity, including metabolic function, cell debris clearance, tissue repair, and remodeling. In order to fulfill their different functional roles, macrophages can polarize into a series of phenotypes, including classic (pro inflammatory, M1) and alternative (anti-inflammatory, healing promoting, M2) activation states, as well as a wide range of regulatory phenotypes and subtypes. Macrophages exist in all vertebrate tissues and have a dual function in host protection and tissue damage, maintaining a good balance. MCE designs a unique collection of 264 macrophage related compounds. It is a good tool to be used for research on Inflammation, cancer and other diseases.

Macrophage Related Compound Library

264 compounds

Macrophages are effector cells of the innate immune system, engulfing bacteria and secreting pro-inflammatory and antibacterial mediators. They are an important component of the first line defense against pathogens and tumor cells. In addition, macrophages play an important role in eliminating damaged cells through programmed cell death. Like all immune cells, macrophages originate from pluripotent hematopoietic stem cells in the bone marrow. Macrophages play key functions in many physiological processes beyond homeostasis and innate immunity, including metabolic function, cell debris clearance, tissue repair, and remodeling. In order to fulfill their different functional roles, macrophages can polarize into a series of phenotypes, including classic (pro inflammatory, M1) and alternative (anti-inflammatory, healing promoting, M2) activation states, as well as a wide range of regulatory phenotypes and subtypes. Macrophages exist in all vertebrate tissues and have a dual function in host protection and tissue damage, maintaining a good balance.

MCE designs a unique collection of 264 macrophage related compounds. It is a good tool to be used for research on Inflammation, cancer and other diseases.

HY-L219

Antimicrobial Peptides Library	58 compounds
Antimicrobial Peptides (AMPs), also known as antimicrobial peptides or antibiotic peptides, are a class of polypeptides encoded by specific genes in various biological cells and induced by external stimuli. They exhibit broad-spectrum bioactivity against bacteria, fungi, viruses, protozoa, and even tumor cells. AMPs serve as crucial effector molecules in the host's innate immune system.Due to their wide antimicrobial spectrum, low toxicity to normal cells of higher animals, high safety profile, low tendency to induce resistance, and additional benefits such as immune enhancement and antioxidant effects, antimicrobial peptides hold significant promise in new drug development. MCE offers 58 types of antimicrobial peptides, which can be applied in high-throughput screening for research in anti-infection therapies, immunotherapy, anticancer drug development, and agricultural disease control.

Antimicrobial Peptides Library

58 compounds

Antimicrobial Peptides (AMPs), also known as antimicrobial peptides or antibiotic peptides, are a class of polypeptides encoded by specific genes in various biological cells and induced by external stimuli. They exhibit broad-spectrum bioactivity against bacteria, fungi, viruses, protozoa, and even tumor cells. AMPs serve as crucial effector molecules in the host's innate immune system.Due to their wide antimicrobial spectrum, low toxicity to normal cells of higher animals, high safety profile, low tendency to induce resistance, and additional benefits such as immune enhancement and antioxidant effects, antimicrobial peptides hold significant promise in new drug development.

MCE offers 58 types of antimicrobial peptides, which can be applied in high-throughput screening for research in anti-infection therapies, immunotherapy, anticancer drug development, and agricultural disease control.

HY-L237

Pattern Recognition Receptors Library	313 compounds
Pattern Recognition Receptors (PRRs) are a crucial class of protein molecules expressed in cells of the innate immune system. The core function of Pattern Recognition Receptors is to recognize Pathogen-Associated Molecular Patterns (PAMPs) and Damage-Associated Molecular Patterns (DAMPs). Upon recognizing and binding to PAMPs or DAMPs, PRRs rapidly initiate intracellular signaling pathways (such as the NF-κB, IRF, and inflammasome pathways). This triggers the production of inflammatory factors, chemokines, and type I interferons, thereby initiating inflammatory responses to eliminate pathogens or repair damage. PRRs represent the body's first line of defense against infection, and the rapidity and broad specificity of their response are crucial for host survival. However, aberrant activation of PRR signaling is also a cause of many chronic inflammatory diseases, autoimmune disorders, and neurodegenerative diseases. Therefore, precisely regulating PRR activity has become a key therapeutic strategy for these conditions. MCE has cataloged 313 inhibitors targeting key PRRs, such as NLRs, TLRs, C-type Lectin Receptors (CLRs), and cGAS, to support drug discovery efforts for chronic inflammatory diseases.

Pattern Recognition Receptors Library

313 compounds

Pattern Recognition Receptors (PRRs) are a crucial class of protein molecules expressed in cells of the innate immune system. The core function of Pattern Recognition Receptors is to recognize Pathogen-Associated Molecular Patterns (PAMPs) and Damage-Associated Molecular Patterns (DAMPs). Upon recognizing and binding to PAMPs or DAMPs, PRRs rapidly initiate intracellular signaling pathways (such as the NF-κB, IRF, and inflammasome pathways). This triggers the production of inflammatory factors, chemokines, and type I interferons, thereby initiating inflammatory responses to eliminate pathogens or repair damage. PRRs represent the body's first line of defense against infection, and the rapidity and broad specificity of their response are crucial for host survival. However, aberrant activation of PRR signaling is also a cause of many chronic inflammatory diseases, autoimmune disorders, and neurodegenerative diseases. Therefore, precisely regulating PRR activity has become a key therapeutic strategy for these conditions.

MCE has cataloged 313 inhibitors targeting key PRRs, such as NLRs, TLRs, C-type Lectin Receptors (CLRs), and cGAS, to support drug discovery efforts for chronic inflammatory diseases.

Cat. No.	Product Name	Type

HY-139410

Sodium caseinates	Biochemical Assay Reagents
Sodium caseinates is a kind of sodium salts of major milk proteins, which act as protein-based biopolymers and innate immune system activators. Sodium caseinates induce granulopoiesis, activation and differentiation, promote the production of M-CSF, and increase serum levels of G-CSF and GM-CSF. Sodium caseinates inhibit the proliferation and reduce the viability of leukemia macrophage-like cells, thereby significantly improving the survival rate of mice inoculated with leukemia cells. Sodium caseinates can serve as carriers for probiotics in edible films and exhibit anti-Listeria activity. Sodium caseinates effectively protect vitamin A from degradation, enhance its stability, bioaccessibility and bioavailability, and regulate protein digestibility when complexed with vitamin A. Sodium caseinates can be applied to research related to acute monocytic leukemia and vitamin A deficiency .

Sodium caseinates

Biochemical Assay Reagents

Sodium caseinates is a kind of sodium salts of major milk proteins, which act as protein-based biopolymers and innate immune system activators. Sodium caseinates induce granulopoiesis, activation and differentiation, promote the production of M-CSF, and increase serum levels of G-CSF and GM-CSF. Sodium caseinates inhibit the proliferation and reduce the viability of leukemia macrophage-like cells, thereby significantly improving the survival rate of mice inoculated with leukemia cells. Sodium caseinates can serve as carriers for probiotics in edible films and exhibit anti-Listeria activity. Sodium caseinates effectively protect vitamin A from degradation, enhance its stability, bioaccessibility and bioavailability, and regulate protein digestibility when complexed with vitamin A. Sodium caseinates can be applied to research related to acute monocytic leukemia and vitamin A deficiency .

HY-D1056H

Lipopolysaccharides, from S. marcescens 1 Publications Verification LPS, from Serratia marcescens	Biochemical Assay Reagents
Lipopolysaccharides, from S. marcescens (Serratia marcescens) are lipopolysaccharide endotoxins and TLR-4 activators derived from Serratia marcescens, 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. marcescens exhibit a typical three-part structure: O-antigen (O-antigen), core oligosaccharide (core oligosaccharide), and lipid A (Lipid A). Lipopolysaccharides, from S. marcescens induce NF-κB activation in mouse cells via Toll-like receptor (TLR4)/MD-2. The lipopolysaccharides of S. marcescens can induce apoptosis in host immune cells, thereby suppressing the host's innate immunity . It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.

Lipopolysaccharides, from S. marcescens

1 Publications Verification

LPS, from Serratia marcescens

Biochemical Assay Reagents

Lipopolysaccharides, from S. marcescens (Serratia marcescens) are lipopolysaccharide endotoxins and TLR-4 activators derived from Serratia marcescens, 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. marcescens exhibit a typical three-part structure: O-antigen (O-antigen), core oligosaccharide (core oligosaccharide), and lipid A (Lipid A). Lipopolysaccharides, from S. marcescens induce NF-κB activation in mouse cells via Toll-like receptor (TLR4)/MD-2. The lipopolysaccharides of S. marcescens can induce apoptosis in host immune cells, thereby suppressing the host's innate immunity .
It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.

HY-159114

Whole Glucan Particles	Biochemical Assay Reagents
Whole Glucan Particles is a Dectin-1a agonist. Whole Glucan Particles activates the innate immune system to improve the function of macrophages, monocytes and other immune cells .

HY-144002

RIBI-529 RC-529	Biochemical Assay Reagents
RIBI-529 (RC-529), a lipid A mimetic (aminoalkyl glucosaminide 4-phosphate), is a adjuvant with a similar efficacy to MPL (Corixa). RIBI-529 signals through Toll-like receptor 4 to stimulate the innate immune system .

Cat. No.	Product Name	Target	Research Area

HY-P2076

Dusquetide SGX942	p62 Bacterial	Infection Cancer
Dusquetide (SGX942) is a first-in-class innate defense regulator (IDR). Dusquetide modulates the innate immune response to both PAMPs and DAMPs by binding to p62. Dusquetide shows activity in both reducing inflammation and increasing clearance of bacterial infection . DAMPs: damage-associated molecular patterns; PAMPs: pathogen-associated molecular patterns

HY-P5557

TP4 (Nile tilapia piscidin)	Bacterial Necroptosis	Infection Inflammation/Immunology
TP4 (Nile tilapia piscidin) is an orally active amphipathic α-helical cationic antimicrobial peptide. TP4 (Nile tilapia piscidin) exerts broad-spectrum bactericidal activity against Gram-positive and Gram-negative bacteria by disrupting cell membrane structures, and also exhibits certain hemolytic activity. TP4 (Nile tilapia piscidin) regulates the innate immune system and enhances the expression of lysozymes, cytokines and antioxidant enzymes to resist bacterial infection. TP4 (Nile tilapia piscidin) also stimulates the proliferation of keratinocytes and fibroblasts, and significantly promotes the healing of wounds infected with MRSA. TP4 (Nile tilapia piscidin) can be used in research related to bacterial infection, peritonitis, wound healing and other fields .

HY-P2076A

Dusquetide TFA SGX942 TFA	p62 Bacterial	Infection Cancer
Dusquetide (SGX942) TFA is a first-in-class innate defense regulator (IDR). Dusquetide TFA modulates the innate immune response to both PAMPs and DAMPs by binding to p62. Dusquetide TFA shows activity in both reducing inflammation and increasing clearance of bacterial infection . DAMPs: damage-associated molecular patterns; PAMPs: pathogen-associated molecular patterns

HY-P2457

rCRAMP (rat)	Bacterial	Infection Inflammation/Immunology
rCRAMP (rat) is the rat cathelin-related antimicrobial peptide. rCRAMP (rat) contributes to the antibacterial activity in rat brain peptide/protein extracts. rCRAMP (rat) is a potential key player in the innate immune system of rat CNS .

Cat. No.	Product Name	Target	Research Area	Image

HY-P99396

Spesolimab BI 655130	Interleukin Related	Inflammation/Immunology
Spesolimab (BI 655130) is a mouse-derived humanized IgG1k antibody against IL-36R. IL-36 plays an important role in the immune system and Spesolimab is being investigated in palmoplantar pustulosis (PPP). Spesolimab was associated with a reduction in biomarkers associated with the innate, Th1/Th17 and neutrophil pathways .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-101092A

QS-21	Triterpenes Structural Classification Quillajaceae Quillaja saponaria Molina Terpenoids Plants Pentacyclic Triterpenoids Source Classification	Toll-like Receptor (TLR)
QS-21 is a mixture of QS-21-Xyl (HY-101092B) and QS-21-Api (HY-101092), with a ratio of 35:65. QS-21 is an innate immune system-targeted adjuvant. QS-21 is promising for research of oncology vaccines (e.g., melanoma) and infectious disease vaccines (e.g., HIV, malaria) .

HY-N16463

QS-S2	Triterpenes Structural Classification Quillajaceae Quillaja saponaria Molina Terpenoids Plants Pentacyclic Triterpenoids Source Classification	Drug Intermediate
QS-S2 is the impurity of QS-21 (HY-101092A). QS-21 is an innate immune system-targeted adjuvant .

Cat. No.	Product Name		Classification

HY-174662

Human IFNG mRNA		mRNA Interferon & Receptors
Human IFNG mRNA encodes the human interferon gamma (IFNG) protein, a member of the type II interferon class. IFNG is secreted by cells of both the innate and adaptive immune systems. The active protein is a homodimer that binds to the interferon gamma receptor which triggers a cellular response to viral and microbial infections.

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Remarks

Inhibitors & Agonists

Screening Libraries

Biochemical Assay Reagents

Peptides

Inhibitory Antibodies

Natural
Products

Oligonucleotides

innate immune system

Inhibitors & Agonists

Screening Libraries

Biochemical Assay Reagents

Peptides

Inhibitory Antibodies

NaturalProducts

Oligonucleotides

Natural
Products