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

p38 MAPK

p38 MAPK

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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.

p38 MAPK Isoform Specific Products:

p38 MAPK Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-W014605
    Diphenylcyclopropenone
    		Activator 99.86%
    Diphenylcyclopropenone (Diphencyprone) is a potent hapten acting as a topical immunomodulatory agent, which induces an allergic contact dermatitis. Diphenylcyclopropenone induces an increase of cell-surface thiols in cells of a human monocytic cell line, THP-1. Diphenylcyclopropenone acts on the autoreactive T-lymphocytes within the follicular milieu to induce Apoptosis. Diphenylcyclopropenone can be used for alopecia areata research.
    Diphenylcyclopropenone
  • HY-B0558
    Carbimazole
    		Inducer ≥98.0%
    Carbimazole is an orally active antithyroid agent which rapidly converts to Methimazole after absorption and prevents thyroid peroxidase enzyme from iodinating and coupling the tyrosine residues on thyroglobulin, hence reducing the production of thyroxine. Carbimazole also displays anti-inflammatory and neuronal-protective activities, suggesting its application for hyperthyroidism and neurological research.
    Carbimazole
  • HY-111940
    LUT014
    		Activator
    LUT014 is a topical inhibitor targeting BRAF that cannot pass through the blood-brain barrier. LUT014 inhibits BRAF kinase and abnormally activates the MAPK/ERK signaling pathway, promoting the proliferation of epidermal keratinocytes, repairing skin barrier damage caused by radiation damage, and alleviating inflammatory responses. LUT014 is independent of RAS signaling and accelerates the repair and regeneration of damaged skin cells. LUT014 can be used to study radiation dermatitis, especially skin damage caused by breast cancer radiotherapy.
    LUT014
  • HY-107744
    Nalmefene
    		Inhibitor 99.70%
    Nalmefene is a BBB-penetrable opioid receptor modulator. Nalmefene is an antagonist of MOR and DOR, and a partial agonist of KOR. Nalmefene has anti-inflammatory and neuroprotective activities. Nalmefene can be used in the research of reducing alcohol-dependent disorders.
    Nalmefene
  • HY-150612
    (R)-STU104
    		Inhibitor 99.91%
    (R)-STU104 is a potent and orally active TAK1-MKK3 interaction inhibitor with IC50s of 0.58 μM and 4.0 μM for TNF-α and MKK3 phosphorylation. (R)-STU104 suppresses the TAK1/MKK3/p38/MnK1/MK2/elF4E signal pathways through binding with MKK3 and disrupting the TAK1 phosphorylating MKK3. (R)-STU104 can be used for researching ulcerative colitis.
    (R)-STU104
  • HY-160851
    GDC-3280
    		Inhibitor 98.82%
    GDC-3280 (AK3287; AKEX0011) is an orally active compound based on Pirfenidone (HY-B0673)'s phenyl pyridone scaffold. GDC-3280 alleviates the inflammatory and fibrotic reaction of silicosis by inhibiting the ASK1-p38 MAPK pathway and regulating macrophage polarization. GDC-3280 exhibits anti-inflammatory and anti-fibrotic effects.
    GDC-3280
  • HY-N4028
    Hydrangenol
    		Inhibitor 99.63%
    Hydrangenol is an orally active antiphotoaging compound. It can be isolated from Hydrangea serrata leaves. Hydrangenol prevents wrinkle formation by reducing MMP and inflammatory cytokine expression and increasing moisturizing factors and antioxidant genes level.
    Hydrangenol
  • HY-103672
    AZD7624
    		Inhibitor 98.09%
    AZD7624 is an inhaled p38 inhibitor, with potent anti-inflammatory activity.
    AZD7624
  • HY-108642
    AMG-548
    		Inhibitor ≥99.0%
    AMG-548, an orally active and selective p38α inhibitor (Ki=0.5 nM), shows slightly selective over p38β (Ki=36 nM) and >1000 fold selective against p38γ and p38δ. AMG 548 is also extremely potent in the inhibition of whole blood LPS stimulated TNFα (IC50=3 nM). AMG-548 inhibits Wnt signaling by directly inhibiting Casein kinase 1 isoforms δ and ε.
    AMG-548
  • HY-N2157
    Pteryxin
    		Inhibitor 99.96%
    Pteryxin ((+)-Pteryxin) is an orally active multi-target inhibitor that targets NF-κB, MAPK, NLRP3 inflammasome, and Nrf2/ARE pathways. Pteryxin is also a BChE inhibitor (IC50=12.96 μg/mL) with a low inhibitory efficiency on AChE. Pteryxin inhibits the Ca2+-calcineurin-NFATc1 pathway by blocking NF-κB/MAPK signaling, inhibiting NLRP3 inflammasome activation, and reducing ROS generation, and activates Nrf2-mediated antioxidant enzyme expression. Pteryxin has anti-inflammatory, antioxidant, and osteoclastogenesis inhibitory activities. Pteryxin can be used in the study of inflammatory diseases, osteoporosis, diabetes, and Alzheimer's disease.
    Pteryxin
  • HY-N3063
    Pimaric acid
    		Inhibitor 98.76%
    Pimaric acid is a resin acid that has been found in A. cordata and various pines. Pimaric acid exerts anticancer effects via endoplasmic reticulum stress, caspase-dependent apoptosis, cell cycle arrest, and inhibition of cell migration in human ovarian cancer cells. Pimaric acid reduces mRNA expression, protein levels, and promoter activity of matrix metalloproteinase-9 (MMP-9) in TNF-α-stimulated human aortic smooth muscle cells (HASMCs).
    Pimaric acid
  • HY-153813
    Z16078526
    		98.13%
    Z16078526 induces endogenous Ucp1 expression, promotes p38 MAPK phosphorylation and lipolysis in primary mouse brown adipocytes. Z16078526 activates thermogenic gene expression and mitochondrial activity (uncoupled respiration) in mouse brown adipocytes. Z16078526 also stimulates thermogenesis in the mouse.
    Z16078526
  • HY-148385
    Ganglioside GM2
    		Activator 98.0%
    Ganglioside GM2 is a human tumor antigen predominantly found in human tumor cells and fetal brain tissue. As a sialylated glycosphingolipid, Ganglioside GM2 is involved in processes such as cell signaling, adhesion, and motility. Ganglioside GM2 abnormal expression and accumulation are associated with tumors and neurodegenerative disorders. Ganglioside GM2 promotes tumor cell migration and invasion by directly binding to the integrin β1 receptor, activating the FAK/Src/Erk-MAPK signaling pathway, and inducing actin cytoskeleton remodeling.
    Ganglioside GM2
  • HY-D0168
    Orcinol
    		Activator 99.97%
    Orcinol (3,5-Dihydroxytoluene) is an organic compound used in biological dyeing and proteomics research. Orcinol inhibits melanogenesis in B16F10 cells by upregulating the MAPK/ERK signaling pathway, and suppresses the expression of MITF, tyrosinase (TYR), TRP1, and DCT. Orcinol exhibits certain DPPH radical scavenging activity. In addition, Orcinol can alter nitrogen balance in animals. Orcinol holds promise for research in cancer and metabolic diseases.
    Orcinol
  • HY-W040971
    Creosol
    		Inhibitor 99.82%
    Creosol (2-Methoxy-4-methylphenol) is an endogenous metabolite that acts as an important chemical intermediate and potential biofuel mainly derived from lignocellulosic biomass. Creosol is blood brain barrier penetrable.
    Creosol
  • HY-112291
    SB 220025
    		Inhibitor 99.90%
    SB 220025 is a reversible, orally active, cell-permeable, ATP-competitive and selective human p38 MAPK inhibitor (IC50 = 60 nM). SB 220025 also inhibits p56Lck and PKC with IC50 values of 3.5 and 2.89 µM, respectively. SB 220025 inhibits the expression of IL-8 gene in response to globular adiponectin (gAd), reduces inflammatory cytokine production and inhibits angiogenesis. SB 220025 effectively prevents the progression of arthritis in a chronic inflammatory disease model and can be used in the study of inflammation.
    SB 220025
  • HY-N6576
    Hellebrigenin
    		Inhibitor 99.65%
    Hellebrigenin is an inhibitor that selectively targets the MAPK signaling pathway (ERK, p38, JNK) and XIAP, and can inhibit Akt expression and phosphorylation. Hellebrigenin can activate endogenous apoptosis pathways (such as mitochondrial membrane potential disruption, Caspase family activation, PARP cleavage), downregulate anti-apoptotic proteins (Bcl-2, Bcl-xL) and upregulate pro-apoptotic proteins (Bax, Bak). Hellebrigenin can also induce DNA double-strand breaks to activate the ATM pathway. Hellebrigenin can inhibit tumor cell proliferation and clone formation, and is mainly used in the study of oral squamous cell carcinoma, liver cancer and other cancers.
    Hellebrigenin
  • HY-N9942
    Physalin A
    		Inhibitor 99.22%
    Physalin A is a biologically active withanolide. Physalin A shows anti-inflammatory, antifibrotic and ameliorative effects on autophagy in models of disc degeneration. Physalin A has antitumor activity and can induce apoptosis, ROS production and G2/M phase cell cycle arrest. Besides. Physalin A can significantly increase the activity of quinone reductase and increase the expression of detoxifying enzymesc.
    Physalin A
  • HY-W015883R
    Fumaric acid (Standard)
    		Inhibitor 99.93%
    Fumaric acid (Standard) is the analytical standard of Fumaric acid. This product is intended for research and analytical applications. Fumaric acid is an unsaturated dicarbonic acid, an intermediate product of the citric acid cycle that provides intracellular energy in the form of ATP. Fumaric acid exerts anti-inflammatory effects by inhibiting the NF-κB signaling pathway dependent on p38 MAPK. Fumaric acid can be used in the study of pregnancy-induced hypertension.
    Fumaric acid (Standard)
  • HY-126818
    Desfuroylceftiofur
    		Inhibitor
    Desfuroylceftiofur is an active metabolite of Ceftiofur which is a broad-spectrum cephalosporin antibiotic. Desfuroylceftiofur is active against gram-positive and gram-negative bacteria.
    Desfuroylceftiofur
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
p38 MAPK Isoform Comparison

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