1. Signaling Pathways
  2. MAPK/ERK Pathway
  3. p38 MAPK

p38 MAPK

The p38 MAPK family consists of highly conserved proline-directed serine-threonine protein kinases that are activated in response to a number many growth factors, cytokines, and chemotactic substances, such as vascular endothelial growth factor (VEGF), fibroblast growth factor (FGF), PDGF, TNF, interleukins, lipopolysaccharide (LPS) and formyl-methionyl-leucyl-phenylalanine (fMLP). It is well known that p38 is involved in inflammation, apoptosis, cardiomyocyte hypertrophy and cell differentiation.

The p38 MAPK family is composed of four proteins: p38α (encoded by the gene Mapk14), p38β (Mapk11), p38γ (Mapk12), and p38δ (Mapk13). Their coding genes have a distinct tissue distribution and they appear differentially expressed, being Mapk14 the most highly expressed. p38 MAPKs are substrates for three MAP2K (MKK6, MKK3, and MKK4). The contribution of each of these MAP2K to p38 MAPKs activation depends on the stimulus and the cell type. The MAP3Ks that lead to p38 MAPKs activation are ASK1, DLK1, TAK1, TAO1, TAO2, TPL2, MLK3, MEKK3, MEKK4, and ZAK1.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-111820
    CK1-IN-1
    Inhibitor 99.19%
    CK1-IN-1 (Compound 1c) is a casein kinase 1 (CK1) inhibitor with IC50 values of 15 nM and 16 nM for CK1δ and CK1ε, respectively. CK1-IN-1 inhibits p38α MAPK with an IC50 of 73 nM. CK1-IN-1 can be used to study cardiomyogenesis.
    CK1-IN-1
  • HY-18766
    EW-7195
    Inhibitor 98.84%
    EW-7195 is a potent and selective ALK5 (TGFβR1) inhibitor with an IC50 of 4.83 nM. EW-7195 has >300-fold selectivity for ALK5 over p38α. EW-7195 efficiently inhibits TGF-β1-induced Smad signaling, epithelial-to-mesenchymal transition (EMT) and breast tumour metastasis to the lung.
    EW-7195
  • HY-B0898
    Ceftiofur sodium
    Inhibitor 98.02%
    Ceftiofur sodium is a cell wall synthesis inhibitor that targets bacterial penicillin-binding proteins (PBPs) and has anti-inflammatory effects in endotoxemia. Ceftiofur sodium exerts bactericidal effects by inhibiting the synthesis of bacterial cell wall peptidoglycan, leading to bacterial cell lysis. Ceftiofur sodium also inhibits the activation of NF-κB and MAPKs, thereby reducing the secretion of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6.
    Ceftiofur sodium
  • HY-N0911
    Rehmannioside A
    Inhibitor 99.96%
    Rehmannioside A is a compound that can be isolated from Rehmanniae radix. Rehmannioside A is an inhibitor of CYP3A4, 2C9 and 2D6, with IC50 values of 10.08, 12.62 and 16.43 μM, respectively. Rehmannioside A has anti-inflammatory, antioxidant, anti-apoptosis, anti-ferroptosis, cognitive improvement and neuroprotective activities. Rehmannioside A can be used for the research of nervous system and inflammation-related diseases.
    Rehmannioside A
  • HY-N1941
    Isosinensetin
    Inhibitor 99.90%
    Isosinensetin is a flavonoid compound and an inhibitor of HIV-1 protease and PTP1B (IC50: 2.61 µM; Ki: 0.92 µM). Isosinensetin inhibits P-glycoprotein (P-gp) in MDR1-MDCKII cells. Isosinensetin has multiple activities such as anti-tumor, anti-viral, anti-inflammatory, and antioxidant effects. Isosinensetin can be used in the research of various diseases including cancer, inflammation, osteoporosis, diabetes, etc.
    Isosinensetin
  • HY-N2232
    N-​Feruloyloctopamine
    Inhibitor 99.91%
    N-Feruloyloctopamine (N-trans-Feruloyloctopamine) is an antioxidant component that can be isolated from garlic skin. N-Feruloyloctopamine can inhibit tumor cell proliferation and invasion, and induce apoptosis. N-Feruloyloctopamine has antitumor activity and can be used in the research of tumors such as hepatocellular carcinoma.
    N-​Feruloyloctopamine
  • HY-N6857
    Armepavine
    Inhibitor 99.53%
    Armepavine, found in Nelumbo nucifera, is an orally active NF-κB inhibitor. Armepavine attenuates expression of p-p65, α-SMA, p-JNK1/2, p-ERK1/2, p-p38α stimulated by TNF-α and LPS. Armepavine suppresses NF-κB nuclear translocation, IκBα phosphorylation, and collagen deposition. Armepavine can be used for the research of hepatic fibrosis and leukemia.
    Armepavine
  • HY-N9914R
    D-Psicose (Standard)
    Inhibitor
    D-Psicose (Standard) is the analytical standard of D-Psicose (HY-N9914). This product is intended for research and analytical applications. D-psicose is an orally active rare sugar. D-psicose inhibits p38-MAPK phosphorylation and MCP-1 expression. D-psicose inhibits the AGEs/RAGE/NF-κB pathway. D-psicose protects pancreatic β-islets, improves hyperglycemia and high-fat diet-induced non-alcoholic fatty liver disease.
    D-Psicose (Standard)
  • HY-N0430A
    Coptisine Sulfate
    Inhibitor 99.37%
    Coptisine Sulfate is an orally active and brain-penetrant alkaloid found in Coptis chinensis. Coptisine Sulfate is a reversible, uncompetitive IDO inhibitor with a Ki of 5.8 μM and an IC50 of 6.3 μM. Coptisine Sulfate suppresses neuroinflammation, reduces Aβ plaque burden and shows neuroprotective activity. Coptisine Sulfate shows anti-inflammation activity by blocking NF-κB, MAPK, and PI3K/Akt activation. Coptisine Sulfate inhibits cancer cells proliferation, induces DNA damage, G2/M phase cell cycle arrest, apoptosis, ROS production and mitochondrial dysfunction. Coptisine Sulfate inhibits Rho/ROCK pathway activation, reduces arrhythmia, limits cardiac injury marker release, reduces infarct size, and preserves cardiac function in rat myocardial ischemia/reperfusion models. Coptisine Sulfate downregulates HMGCR and upregulates LDLR and CYP7A1 to modulate cholesterol metabolism, reduces abnormal serum lipid levels, and promotes fecal bile acid excretion. Coptisine Sulfate be used for the research of cancer, hypercholesterolemia, Alzheimer’s disease, inflammatory disorders and cardiovascular disease.
    Coptisine Sulfate
  • HY-W100287
    Murrayafoline A
    Inhibitor 99.73%
    Murrayafoline A is a carbazole alkaloid that can be extracted from Murraya tetramera. Murrayafoline A directly targets Specificity protein 1 (Sp1), thereby inhibiting NF-κB and MAPK signaling pathways. Murrayafoline a induces a G0/G1-phase arrest in platelet-derived growth factor (PDGF)-stimulated vascular smooth muscle cells. Murrayafoline A attenuates the Wnt/β-catenin pathway by promoting the degradation of intracellular β-catenin proteins. Murrayafoline A enhances the contraction of rat ventricular myocytes and L-type calcium current by activating protein kinase C. Murrayafoline A inhibits LPS (HY-D1056)-induced neuroinflammation in vivo. Murrayafoline A can be used for the study of inflammation, vascular complications and colon cancer.
    Murrayafoline A
  • HY-13241A
    Ralimetinib
    Inhibitor 98.58%
    Ralimetinib is an ATP-competitive p38α and p38β MAPK inhibitor with an IC50 of 5.3 nmol/L against human p38α and an IC50 of 3.2 nmol/L against human p38β. Ralimetinib slows tumor growth in preclinical in vivo cancer models, exhibits oral bioavailability in mice, and achieves sustained target inhibition for 4 to 8 h. Ralimetinib is applicable for research on melanoma, non-small cell lung cancer, ovarian cancer, glioma, multiple myeloma, breast cancer, renal cancer, and head and neck squamous cell carcinoma.
    Ralimetinib
  • HY-171705
    KMS99220
    Inhibitor 99.48%
    KMS99220 is an orally active, blood-brain barrier-permeable activator of the Nrf2 inhibitory protein Keap-1. KMS99220 enhances the activity of AMPK, activates the Nrf2 signaling pathway, and reduces the phosphorylation of IκB, nuclear translocation of NFκB, as well as the phosphorylation levels of JNK, IKK and p38 MAPK via HO-1. KMS99220 binds to Keap1 to trigger the nuclear translocation of Nrf2, induces the expression of HO-1, NQO1, GCLC, GCLM and proteasome subunits; enhances proteasomal enzymatic activity; inhibits iNOS expression, nitric oxide production and IL-1β generation; attenuates microglial activation; reduces α-synuclein aggregation; and prevents dopaminergic neuron degeneration and motor dysfunction. KMS99220 prevents the degeneration of dopaminergic neurons in the substantia nigra, induces the expression of Nrf2 downstream target genes, and effectively ameliorates associated motor dysfunction in a mouse model of Parkinson's disease. KMS99220 is applicable to research related to Parkinson's disease.
    KMS99220
  • HY-N5025
    Bullatine A
    Inhibitor 98.0%
    Bullatine A, a diterpenoid alkaloid, is a potent P2X7 antagonist. Bullatine A possesses anti-rheumatic, anti-inflammatory and anti-nociceptive effects. Bullatine A inhibits ATP-induced BV-2 cell death/apoptosis and P2X receptor-mediated inflammatory responses. Bullatine A suppresses glioma cell growth by targeting SIRT6. Bullatine A specifically attenuates pain hypersensitivity in rats. Bullatine A attenuates LPS (HY-D1056)-induced systemic inflammatory response by inhibiting the ROS/JNK/NF-κB pathway in mice. Bullatine A improves despair behavior in Chronic chronic social defeat stress (CSDS) mice. Bullatine A can be used for the study of inflammation, glioblastoma (GBM) and depression.
    Bullatine A
  • HY-N0568R
    Madecassoside (Standard)
    Inhibitor
    Madecassoside (Standard) is the analytical standard of Madecassoside. This product is intended for research and analytical applications. Madecassoside is a pentacyclic triterpene isolated from Centella asiatica and has anti-inflammatory properties. Antioxidant and anti-aging effects. Madecassoside is a pentacyclic triterpene isolated from Centella asiatica. Madecassoside is orally active and has inhibitory properties against inflammation, oxidation, apoptosis and autophagy. Madecassosid inhibits activities of p38 MAPK and NF-kB, exhibits an anti-apopototic property, activates Nrf2 expression to reduce the neurotoxicity[10]. Madecassoside can be used in endocrine diseases, cardiovascular diseases, skin diseases and other diseases.
    Madecassoside (Standard)
  • HY-W050000
    OR-1855
    Inhibitor 98.31%
    OR-1855, an active metabolite of Levosimendan (HY-14286), has effect on myometrial contractility. OR-1855 exerts anti-inflammatory effects by inhibiting IL-1β-induced ROS formation and NAD(P)H oxidase-dependent superoxide radical generation in HUVECs. OR-1855 inhibits IL-1β-induced phosphorylation p38 MAPK, ERK1/2, c-Jun and JNK in HUVECs. OR-1855 can be used for the study of inflammation.
    OR-1855
  • HY-N2413
    Gomisin D
    Inhibitor 99.56%
    Gomisin D is an orally active lignan that binds to PDGFRβ with a Kd of 10 μM. By targeting PDGFRβ to regulate signaling pathways, Gomisin D inhibits the activation and proliferation of hepatic stellate cells and promotes their apoptosis, thereby ameliorating hepatic fibrosis. Gomisin D exhibits multiple activities such as photoprotection, antimelanogenesis, antioxidant effects, and hypoglycemic activity. Gomisin D can be used in studies related to diabetes, Alzheimer's disease, and hepatic fibrosis.
    Gomisin D
  • HY-126066
    (-)-Syringaresinol
    Inhibitor 99.93%
    (-)-Syringaresinol is an orally active isomer of syringaresinol (HY-N8307) found in Annona Montana. (-)-Syringaresinol exhibits antioxidant, anti-inflammatory, and anticancer activities. (-)-Syringaresinol can alleviate ulcerative colitis via the PI3K-Akt/MAPK/Wnt signaling pathway. (-)-Syringaresinol inhibits HL-60 cell proliferation by arresting the G1 phase and inducing apoptosis. (-)-Syringaresinol inhibits LPS (HY-D1056)-induced microglial activation by downregulating the NF-κB p65 signaling pathway and its interaction with ERβ, exerting anti-neuroinflammatory effects.
    (-)-Syringaresinol
  • HY-N5083
    Saponarin
    Inhibitor 99.95%
    Saponarin is an orally active flavonoid compound. Saponarin can be isolated from Gypsophila trichotoma. Saponarin inhibits ERK/p38, NF-κB and MAPK phosphorylation and activates AMPK. Saponarin reduces IL-1β and COX-2. Saponarin has antioxidant, anti-inflammatory, hepatoprotective, hypoglycemic and hypotensive effects. Saponarin improves sleep disorders.
    Saponarin
  • HY-15505
    RWJ-67657
    Inhibitor 99.75%
    RWJ-67657 (JNJ 3026582) is an orally active and selective p38α and p38β MAPK inhibitor with IC50s of 1 and 11 μM, respectively. RWJ-67657 displays no activity at p38γ and p38δ, and exhibits cardio protective effect. Anti-inflammatory and anti-tumor activity.
    RWJ-67657
  • HY-129138
    Cyanidin 3,5-diglucoside chloride
    Inhibitor 99.44%
    Cyanidin 3,5-diglucoside chloride is an anthocyanin. Cyanidin 3,5-diglucoside chloride inhibits inflammatory cytokines (IL-1α, IL-1β, and IL-6) expression and NO production. Cyanidin 3,5-diglucoside chloride inhibits the phosphorylation of STAT3, IκB, ERK, p38, and AKT. Cyanidin 3,5-diglucoside chloride inhibits high pressure-induced decrease in GLAST. Cyanidin 3,5-diglucoside chloride exerts anti-inflammatory and skin barrier modulating effects. Cyanidin 3,5-diglucoside chloride can be used in retinal research.
    Cyanidin 3,5-diglucoside chloride
Cat. No. Product Name / Synonyms Species Source
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