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-171297
    p38-α MAPK-IN-10
    		Inhibitor
    p38-α MAPK-IN-10 (Compound 6) is the inhibitor for p38α with an IC50 of 4 nM.
    p38-α MAPK-IN-10
  • HY-168963
    PROTAC BTK Degrader-13
    		Inhibitor
    PROTAC BTK Degrader-13 (Compound 25) is the PROTAC degrader for BTK with a DC50 of 0.27 μM. PROTAC BTK Degrader-13 inhibits the activity of BTK with an IC50 of 0.44 μM, inhibits IL-2-induced T cell kinase (ITK) with an IC50 of 2.16 μM. PROTAC BTK Degrader-13 inhibits p38 MAPK signaling pathway, block the activation of the BCR (B cell receptor) signaling pathway. (Pink: ligand for target protein BTK ligand 15 (HY-168965); Black: linker (HY-Y0524); Blue: ligand for E3 ligase cereblon (HY-103596))
    PROTAC BTK Degrader-13
  • HY-168919
    KRASG12C IN-16
    KRASG12C IN-16 (Compound SK-17) is a selective, covalent and an orally active KRASG12C inhibitor. KRASG12C IN-16 induces Apoptosis. KRASG12C IN-16 effectively prevents the activation of MAPK and PI3K/mTOR signaling pathways. KRASG12C IN-16 displays anti-tumor activity against pancreatic cancer.
    KRASG12C IN-16
  • HY-110262
    MSC 2032964A
    		Inhibitor
    MSC 2032964A is an orally active, selective inhibitor for apoptosis signal-regulating kinase 1(ASK1) with IC50 of 96 nM. MSC 2032964A preserves the visual responses in EAE mice model and exhibits potency in ameliorating the neuroinflammation.
    MSC 2032964A
  • HY-RS08107
    MAPK14 Human Pre-designed siRNA Set A
    		Inhibitor

    MAPK14 Human Pre-designed siRNA Set A contains three designed siRNAs for MAPK14 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    MAPK14 Human Pre-designed siRNA Set A
    MAPK14 Human Pre-designed siRNA Set A
  • HY-108641
    SKF-86002 dihydrochloride
    		Inhibitor
    SKF-86002 dihydrochloride is an orally active p38 MAPK inhibitor, with anti-inflammatory, anti-arthritic and analgesic activities. SKF-86002 dihydrochloride inhibits lipopolysaccharide (LPS)-stimulate human monocyte IL-1 and TNF-α production (IC50 = 1 μM). SKF-86002 dihydrochloride inhibits lipoxygenase- and cyclooxygenase-mediated metabolism of arachidonic acid.
    SKF-86002 dihydrochloride
  • HY-117248
    SR-3737
    		Inhibitor
    SR-3737 is a JNK3 and p38 inhibitor (IC50: 12 and 3 nM).
    SR-3737
  • HY-N1353R
    Rhamnocitrin (Standard)
    		Inhibitor
    Rhamnocitrin (Standard) is the analytical standard of Rhamnocitrin. This product is intended for research and analytical applications. Rhamnocitrin is an anti-inflammatory and antioxidant agent that targets STIM-1, NFATc3 and MAPK pathways and can scavenge DPPH (IC50=28.38 mM). Rhamnocitrin selectively inhibits oxidative stress and inflammatory responses in vascular endothelial cells and neurons. Rhamnocitrin up-regulates miR-185 to inhibit STIM-1-mediated store-operated calcium entry (SOCE), thereby blocking NFATc3 nuclear translocation and downstream inflammatory factor expression, while inducing heme oxygenase HO-1 expression and regulating the ERK/p38 MAPK pathway, inhibiting antioxidant and pro-inflammatory cytokines (such as IL-6, IL-8) and adhesion molecules (such as ICAM-1, VCAM-1). Rhamnocitrin can be used in the study of endothelial-related inflammatory diseases (such as sepsis, acute lung injury, atherosclerosis) and neuroprotection (such as oxidative damage of PC12 cells).
    Rhamnocitrin (Standard)
  • HY-112367
    SB 202474
    		Control
    SB 202474, a negative analog of SB203580. SB 202474, which has no ability to inhibit p38 MAPK activity and is widely used as a negative control compound in p38 MAPK studies, also suppressed melanin synthesis induction.
    SB 202474
  • HY-N0031R
    Plantamajoside (Standard)
    Plantamajoside (Standard) is the analytical standard of Plantamajoside. This product is intended for use in research and analytical applications. Plantamajoside is an orally active phenylpropanoid glycoside. Plantamajoside can be isolated from Plantago asiatica L.(Plantaginaceae). Plantamajoside inactivates NF-κB, PI3K/akt, induces Apoptosis, and improves Autophagy. Plantamajoside regulates MAPK, integrin-linked kinase/c-Src. Plantamajoside inhibits multiple cancers, improves lung and kidney damage. Plantamajoside has neuroprotective and anti-inflammatory effects.
    Plantamajoside (Standard)
  • HY-107295
    Trichilinin B
    		Activator
    Trichilinin B (1-Tigloyltrichilinin) is a limonoid that can be isolated from M. azedarach. Trichilinin B exhibits cytotoxicity in human leukemia cell HL-60 through activation of p38 signaling pathway and induction of apoptosis.
    Trichilinin B
  • HY-W744953
    Carbimazole-d3
    		Inducer
    Carbimazole-d3 is deuterium labeled Carbimazole. 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-d<sub>3</sub>
  • HY-10320R
    Doramapimod (Standard)
    		Inhibitor
    Doramapimod (Standard) is the analytical standard of Doramapimod. This product is intended for research and analytical applications. Doramapimod (BIRB 796) is an orally active, highly potent p38 MAPK inhibitor, which has an IC50 for p38α=38 nM, for p38β=65 nM, for p38γ=200 nM, and for p38δ=520 nM. Doramapimod has picomolar affinity for p38 kinase (Kd=0.1 nM). Doramapimod also inhibits B-Raf with an IC50 of 83 nM.
    Doramapimod (Standard)
  • HY-10404A
    Dilmapimod tosylate
    		Inhibitor
    Dilmapimod tosylate is a potent p38 MAPK inhibitor that potentially suppresses inflammation in chronic obstructive pulmonary disease.
    Dilmapimod tosylate
  • HY-112291A
    SB 220025 (tri(hydrochloride))
    		Inhibitor
    SB 220025 trihydrochloride is a reversible, orally active, cell-permeable, ATP-competitive and selective human p38 MAPK inhibitor (IC50 = 60 nM). SB 220025 trihydrochloride also inhibits p56Lck and PKC with IC50 values of 3.5 and 2.89 μM, respectively. SB 220025 trihydrochloride inhibits the expression of IL-8 gene in response to globular adiponectin (gAd), reduces inflammatory cytokine production and inhibits angiogenesis. SB 220025 trihydrochloride effectively prevents the progression of arthritis in a chronic inflammatory disease model and can be used in the study of inflammation.
    SB 220025 (tri(hydrochloride))
  • HY-171295
    p38 Kinase inhibitor 7
    		Inhibitor
    p38 Kinase inhibitor 7 (Comp:XXXIX) is the inhibitor for p38α with an IC50 of 5.25 nM. p38 Kinase inhibitor 7 inhibits TNFα production in cell THP-1 with an IC50 of 5.88 nM.
    p38 Kinase inhibitor 7
  • HY-17007R
    Saquinavir (Standard)
    		Inhibitor
    Saquinavir (Standard) (Ro 31-8959 (Standard)) is the analytical standard of Saquinavir (HY-17007). This product is intended for research and analytical applications. Saquinavir (Ro 31-8959) is an orally active HIV protease inhibitor that can be used in the research of AIDS. Saquinavir also has anti-inflammatory activity and can induce apoptosis of human red blood cells.
    Saquinavir (Standard)
  • HY-N0265R
    Asperosaponin VI (Standard)
    Asperosaponin VI (Standard) is the analytical standard of Asperosaponin VI. This product is intended for research and analytical applications. Asperosaponin VI is a saponin component from Dipsacus asper. Asperosaponin VI induces osteoblast differentiation through the BMP-2/p38 and ERK1/2 signaling pathways. Asperosaponin VI protects against hypoxia-induced cardiomyocyte apoptosis by activating the PI3K/Akt and CREB pathways. Additionally, Asperosaponin VI also has antidepressant and wound-healing-promoting activities.
    Asperosaponin VI (Standard)
  • HY-N0022R
    Isoacteoside (Standard)
    		Inhibitor
    Isoacteoside (Standard) is the analytical standard of Isoacteoside. This product is intended for research and analytical applications. Isoacteoside is a natural product that can significantly inhibit the formation of glycation end products. Isoacteoside Standard regulates the AKT/PI3K/m-TOR/NF-κB signaling pathway, induces apoptosis in OVCAR-3 cell. Isoacteoside Standard exhibits antitumor, anti-inflammatory, anti-obesity and neuroprotective activities.
    Isoacteoside (Standard)
  • HY-125980
    LX-3
    		Inhibitor
    LX-3 is a selective activator of the p38 MAPK signaling pathway and activates EGFP reporter genes that are silenced by DNA methylation, such as TNF, EGR1, LY6K, and ISG20.
    LX-3
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
p38 MAPK Isoform Comparison

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