2. Disease Areas
  3. Inflammation or Immune System Disease
  4. Respiratory Inflammation

Respiratory Inflammation

Respiratory tract inflammation is a key pathological feature of respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD), characterized by immune cell infiltration and activation—including eosinophils, mast cells, neutrophils, and lymphocytes—leading to airway hyperresponsiveness, airflow limitation, epithelial damage, bronchoconstriction, and increased airway sensitivity, often triggered by infections or environmental stimuli, with potential systemic effects contributing to comorbidities.

 

Respiratory Inflammation (108):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-108910
    Chymotrypsin 9004-07-3
    Chymotrypsin (EC 3.4.21.1; Chymotrypsin A) is an orally effective inhibitor targeting molecules such as TLR4, NF-κB, MMP-1, TNF-α, IL-1β, and IL-6. Chymotrypsin downregulates the TLR4/NF-κB signaling pathway, inhibiting the release of inflammatory factors, reducing cell infiltration and tissue damage. It also reduces the expression of tumor cell adhesion molecules (such as CD44 and CD54) and can be specifically detected by fluorescent probes (such as NBD-3). Chymotrypsin has anti-inflammatory, hepatoprotective, joint damage-reducing, liver protection against lipotoxicity, and anti-tumor metastasis functions. It can be used in research on diseases such as rheumatoid arthritis, non-alcoholic fatty liver disease, and melanoma metastasis. Chymotrypsin can be used in studies of inflammation, edema, and expectoration.
    Chymotrypsin
  • HY-B0010
    Formoterol fumarate 43229-80-7 99.95%
    Formoterol fumarate ((±)Formoterol fumarate) is a selective β2-adrenoceptor agonist. Formoterol fumarate is at least as β2-adrenoceptor selective as Salbutamol (HY-B1037) and Terbutaline (HY-B0802A). Formoterol fumarate abolishs the contraction induced by Acetylcholine in bronchioles. Formoterol fumarate can be used for the research of chronic obstructive pulmonary disease and bronchial asthma.
    Formoterol fumarate
  • HY-17360
    Tiotropium Bromide 136310-93-5 99.91%
    Tiotropium bromide (BA-679 BR) is a long-acting anticholinergic bronchodilator. Tiotropium bromide blocks the action of acetylcholine at muscarinic M1, M2, and M3 receptors, prevents bronchoconstriction, and dilates bronchial airways. Tiotropium bromide is applicable to research related to chronic obstructive pulmonary disease and asthma.
    Tiotropium Bromide
  • HY-P990774
    Verekitug 2768386-15-6
    Verekitug (ASP-7266; TRAB-1; UPB-101) is a human monoclonal antibody targeting the thymic stromal lymphopoietin receptor (TSLPR), with a mean half-life of approximately 20 days. At doses of Verekitug ≥100 mg, complete and sustained TSLPR-specific occupancy is achieved, and the antibody does not bind to IL-7Rα. By inhibiting TSLP-driven inflammatory responses, Verekitug blocks TSLP-induced cell proliferation and TARC expression, while reducing fractional exhaled NO levels, blood eosinophil counts, and levels of IL-5 and IgE. Verekitug significantly improves scores for nasal polyps, nasal congestion and olfactory dysfunction, with favorable safety and good tolerability; potential adverse reactions include headache, upper respiratory tract infection, sinusitis and nasopharyngitis. Verekitug is used in relevant studies on asthma, chronic rhinosinusitis with nasal polyps and chronic obstructive pulmonary disease.
    Verekitug
  • HY-142021
    Z-Leu-Arg-AMC 156192-32-4 99.24%
    Z-Leu-Arg-AMC is a fluorogenic peptide substrate for cysteine proteases (e.g., Cathepsin) (Ex=350 nm，Em=460 nm). Z-Leu-Arg-AMC is preferentially cleaved by Cathepsin K and S under weakly acidic conditions, while its hydrolysis relies on residual Cathepsin S activity at neutral pH. Z-Leu-Arg-AMC serves as a substrate for recombinant Sphenophorus levis Cathepsin L, falcipain-2, falcipain-3, berghepain-2, knowlepain-2, vivapain-2, as well as falcipain-2 chimeras and constructs. It enables quantitative detection of cysteine protease activity in human inflammatory bronchoalveolar lavage fluid via fluorescence generation. Z-Leu-Arg-AMC can be used in research related to pulmonary inflammatory diseases and malaria.
    Z-Leu-Arg-AMC
  • HY-P992034
    APG808
    APG808 (PR001) is an anti-human IL-4Rα monoclonal antibody. APG808 binds to IL-4Rα, prevents IL-13Rα1/IL-4Rα heterodimer formation, and disrupts IL-13 and IL-4 mediated signaling. APG808 ablates Fc and complement effector functions. APG808 can be used for the research of chronic obstructive pulmonary disease, asthma, atopic dermatitis.
    APG808
  • HY-183885
    MPI3 890648-84-7
    MPI3 is a reversible covalent SARS-CoV-2 MPro inhibitor with an enzymatic IC50 of 8.5 nM. MPI3 can be used for the research of covid-19.
    MPI3
  • HY-14869
    Revamilast 893555-90-3
    Revamilast (GRC 4039) is an orally active phosphodiesterase-4 (PDE4) inhibitor with an IC50 of 3 nM. Revamilast inhibits the production of TNF-α. It can be used for research on rheumatoid arthritis, plaque psoriasis, asthma, and other inflammatory diseases.
    Revamilast
  • HY-N2593
    Isorhapontigenin 32507-66-7 99.82%
    Isorhapontigenin is an orally active dietary polyphenol. Isorhapontigenin acts as a potent antioxidant that reduces the production of reactive oxygen species (ROS). Isorhapontigenin promotes the binding of JUN to the AP-1 site on the SESN2 promoter, induces SESN2 transcription, triggers MAPK8-dependent JUN activation, and upregulates the expression of PPAR-α, PGC-1α and CPT-1A to facilitate fatty acid oxidation. Isorhapontigenin induces autophagy, apoptosis and preadipocyte differentiation; it inhibits tumor growth, cell invasion, NF-κB transcriptional activity, the PI3K/Akt signaling pathway, STAT1 phosphorylation and MMP-2 expression. Isorhapontigenin alleviates oxidative stress, inflammatory cytokine release and triglyceride accumulation; it increases intracellular ATP levels and promotes Nrf2 nuclear translocation. Isorhapontigenin improves insulin sensitivity in adipose tissue and glucose tolerance, and reduces postprandial blood glucose, insulin and free fatty acid levels. Isorhapontigenin is applicable to research on bladder cancer, liver injury, chronic obstructive pulmonary disease, acute lung injury and type 2 diabetes.
    Isorhapontigenin
  • HY-N0732
    Jolkinolide B 37905-08-1 99.65%
    Jolkinolide B is a bioactive diterpene isolated from the roots of Euphorbia fischeriana Steud with oral activity. Jolkinolide B downregulates XIAP, cIAP1, cIAP2, and phosphorylated Akt, upregulates Smac, activates caspase-3 and caspase-9, and inhibits NF-κB, TGFβ/smad3 and JAK/STAT3 pathways. Jolkinolide B exerts comprehensive biological effects including inducing cancer cell apoptosis, suppressing inflammatory responses, improving lung function, alleviating hepatic steatosis and eliminating intracellular Mycobacterium tuberculosis. Jolkinolide B can be used for the research of leukemia, histiocytic lymphoma, asthma, metabolic dysfunction-associated steatotic liver disease and tuberculosis.
    Jolkinolide B
  • HY-N0559
    Kirenol 52659-56-0 99.82%
    Kirenol is a diterpenoid compound, an orally active apoptosis inducer and signaling pathway regulator, with a Kd value of 5.47 μM against the target CK2. Kirenol promotes the cleavage of Bid into tBid, regulates the protein levels/phosphorylation of Bax, Bcl-2, p53 and p21, and induces caspase-independent apoptosis, S-phase cell cycle arrest, ROS accumulation and cytotoxicity in cancer cells. Kirenol activates the CK2/AKT and AMPK-mTOR-ULK1 pathways, inhibits the signaling of NF-κB, TGF-β/Smads and NLRP3 inflammasome, and regulates the GSK3β, BMP and Wnt/β-catenin pathways. Kirenol induces autophagy, mitophagy and osteoblast differentiation, promotes mitochondrial fusion, and exerts antioxidant, anti-inflammatory, antifibrotic, renoprotective, cardioprotective, neuroprotective and analgesic effects. Kirenol is applicable to research related to chronic myeloid leukemia, ischemic stroke, diabetic nephropathy, heart failure, acute lung injury and osteoporosis.
    Kirenol
  • HY-N1990
    Gypenoside XLIX 94987-08-3 99.88%
    Gypenoside XLIX is a multifunctional bioactive compound that can be isolated from Gynostemma pentaphyllum, with a Ka value of 1.58 μM for its binding to SIRT1. Gypenoside XLIX acts as a PPAR-α agonist. It inhibits the activation of TLR4-mediated NF-κB signaling pathway by activating the Sirt1/Nrf2 signaling pathway, reduces ROS accumulation, and alleviates hepatic inflammatory injury in mice with sepsis-induced liver disease. Gypenoside XLIX targets SIRT1 to block YAP-NLRP3 activation and improve sepsis-induced cardiomyopathy. Gypenoside XLIX inhibits apoptosis (Apoptosis), pyroptosis (Pyroptosis), autophagy (Autophagy), lipid peroxidation, pro-inflammatory cytokines and anti-inflammatory cytokines. Gypenoside XLIX alleviates sepsis-induced splenic injury by inhibiting inflammation and oxidative stress, and mitigates sepsis-associated encephalopathy by targeting PPAR-α. Gypenoside XLIX prevents acute kidney injury by inhibiting IGFBP7/IGF1R-mediated programmed cell death and inflammation. Gypenoside XLIX inhibits the expression and activity of vascular cell adhesion molecule-1 in cytokine-induced human endothelial cells. Gypenoside XLIX is applicable to research related to acute liver injury, lung injury, cardiomyopathy, acute splenic injury, sepsis-associated encephalopathy, acute kidney injury, atherosclerosis and chronic inflammation.
    Gypenoside XLIX
  • HY-N3519
    Platycodin D3 67884-03-1 98.91%
    Platycodin D3 is a triterpenoid saponin that can be found in Platycodon grandiflorum. Platycodin D3 exhibits multiple activities including anti-inflammation, regulation of airway mucus secretion, improvement of asthmatic airway inflammation and remodeling, and inhibition of hepatitis C virus (HCV) replication. The IC50 value of Platycodin D3 against HCV NS5B RNA-dependent RNA polymerase is 8 μg/mL. Platycodin D3 can be used in studies related to asthma, hepatitis C virus infection and inflammatory diseases.
    Platycodin D3
  • HY-157536
    SMT-738 2862851-15-6 98.47%
    SMT-738 is a bacterial bactericide. SMT-738 targets the small molecules responsible for lipoprotein transport in Enterobacteriaceae, causing abnormal lipoprotein localization and bacterial cell death. SMT-738 inhibits the growth of E. coli and K. pneumoniae. SMT-738 reduces bacterial loads in mouse models of urinary tract infection, bloodstream infection, and pulmonary infection caused by Enterobacterales. SMT-738 can be used in the research of Enterobacteriaceae infections, urinary tract infections, bloodstream infections, and pneumonia.
    SMT-738
  • HY-W145486
    Calcium gluconate 299-28-5 99.86%
    Calcium gluconate is an orally effective calcium salt supplement. Calcium gluconate reduces elevated serum potassium, decreased serum calcium, and postoperative myalgia associated with succinylcholine administration. Calcium gluconate restores calcium homeostasis, skeletal integrity, bone mineralization and bone density, and maintains levels of parathyroid hormone, bone resorption markers and osteoclasts. Calcium gluconate reverses LPS (HY-D1056)-induced ERK phosphorylation, inflammatory cytokine release and acute lung injury, alleviates airway inflammatory damage and suppresses immune responses. Calcium gluconate can be used in research related to postoperative myalgia, osteoporosis/osteomalacia and acute lung injury.
    Calcium gluconate
  • HY-108910A
    Chymotrypsin (MS grade) 9004-07-3
    Chymotrypsin (EC 3.4.21.1; Chymotrypsin A) (MS grade) is an orally effective inhibitor targeting molecules such as TLR4, NF-κB, MMP-1, TNF-α, IL-1β, and IL-6. Chymotrypsin (MS grade) downregulates the TLR4/NF-κB signaling pathway, inhibits the release of inflammatory factors, reduces cell infiltration and tissue damage, and also reduces the expression of tumor cell adhesion molecules (such as CD44 and CD54). It can also be specifically detected by fluorescent probes (such as NBD-3). Chymotrypsin (MS grade) has anti-inflammatory, hepatoprotective, joint damage-reducing, liver protection against lipotoxicity, and anti-tumor metastasis functions, and can be used in the research of diseases such as rheumatoid arthritis, non-alcoholic fatty liver disease, and melanoma metastasis. Chymotrypsin (MS grade) can be used in studies of inflammation, edema, and expectoration.
    Chymotrypsin (MS grade)
  • HY-135490
    Reproterol 54063-54-6 98.94%
    Reproterol is a selective β2-adrenoceptor agonist and cAMP phosphodiesterase (PDE) inhibitor. Reproterol inhibits adenylate cyclase-induced phosphodiesterase activity. Reproterol inhibits histamine release from mast cells. Reproterol is applicable to research related to asthma.
    Reproterol
  • HY-N2217
    Rotundic acid 20137-37-5 99.41%
    Rotundic acid is an orally effective triterpenoid with a Kd value of 51.3 µM for PTP1B. Rotundic acid downregulates the AKT/mTOR pro-survival pathway and modulates the MAPK pathway. Rotundic acid induces cell cycle S-phase arrest, DNA damage and apoptosis; it inhibits migration, invasion, angiogenesis and proliferation of cancer cells. Rotundic acid improves leptin sensitivity, regulates gut microbiota and reduces cellular senescence. Rotundic acid can be used in research related to hepatocellular carcinoma, obesity, aging, acute lung injury and type 2 diabetes.
    Rotundic acid
  • HY-119124
    Edoxaban M4 834919-19-6 98.83%
    Edoxaban M4 (D21-2393) is an orally active and selective Factor Xa inhibitor with a human Factor Xa IC50 of 1.8 nM. Edoxaban M4 exhibits anticoagulant activity via Factor Xa inhibition. Edoxaban M4 can be used for the research of non-valvular atrial fibrillation, venous thromboembolisms, pulmonary embolism.
    Edoxaban M4
  • HY-124108
    Eicosatetraynoic acid 1191-85-1 99.9%
    Eicosatetraynoic acid (ETYA) is a non-metabolizable analog of Arachidonic acid (HY-109590) and also an inhibitor of the lipoxygenase (LOX)/cyclooxygenase (COX) pathway (ID50 = 8 μM and 4 μM). Eicosatetraynoic acid acts as a suicide substrate to inhibit the production of inflammatory mediators such as leukotrienes and prostaglandins. Eicosatetraynoic acid acts directly on cell membranes and membrane proteins to exert a wide range of effects, including blocking potassium channels, increasing cell membrane fluidity, elevating intracellular calcium levels, inhibiting DNA synthesis in tumor cells, inducing differentiation of certain cells, and specifically inhibiting the assembly and replication of orthopoxviruses. Eicosatetraynoic acid alleviates acute lung injury induced by chemicals such as phosgene.
    Eicosatetraynoic acid