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-W007355S
    Skatole-d3
    		Activator ≥98.0%
    Skatole-d3 is the deuterium labeled Skatole. Skatole is produced by intestinal bacteria, regulates intestinal epithelial cellular functions through activating aryl hydrocarbon receptors and p38[1].
    Skatole-d<sub>3</sub>
  • HY-120595
    JNJ-49095397
    		Inhibitor 99.85%
    JNJ-49095397 (RV568) is an inhaled narrow-spectrum kinase inhibitor (NSKI) against both the α and γ isoforms of p38 MAPK. JNJ-49095397 also inhibits SRC kinase family, specifically haematopoietic kinase (HCK) JNJ-49095397 shows potent anti-inflammatory effects and can be used for the research of chronic obstructive pulmonary disease (COPD) and asthma.
    JNJ-49095397
  • HY-114404
    SJFα
    		Inhibitor 99.61%
    SJFα is a 13-atom linker PROTAC based on von Hippel-Lindau ligand. SJFα degrades p38α with a DC50 of 7.16  nM, but is far less effective at degrading p38δ (DC50=299 nM) and does not degrade the other p38 isoforms (β and γ) at concentrations up to 2.5 µM.
    SJFα
  • HY-N7255
    Cycloartenol
    		Inhibitor ≥98.0%
    Cycloartenol, a phytosterol compound, is one of the key precusor substances for biosynthesis of numerous sterol compounds. Cycloartenol inhibits the migration of glioma cells and suppresses the phosphorylation of the p38 MAP kinase. Cycloartenol has a variety of pharmacological activities such as anti-inflammatory, anti-tumor, antioxidant, antibiosis and anti-alzheimer's disease. Cycloartenol also plays an important role in the process of plant growth and development.
    Cycloartenol
  • HY-16126
    Carboxyamidotriazole
    		Inhibitor 99.82%
    Carboxyamidotriazole (L-651582) is an orally active cytostatic inhibitor of nonvoltage-operated calcium channels and calcium channel-mediated signaling pathways. Carboxyamidotriazole inhibits NF-κB, MAPK activation and NO production. Carboxyamidotriazole has anti-angiogenic and anti-inflammatory activities. Carboxyamidotriazole has anticancer activity against liver cancer, lung cancer and leukemia.
    Carboxyamidotriazole
  • HY-N1966
    (E)-Osmundacetone
    		Inhibitor 99.88%
    (E)-Osmundacetone is the isomer of Osmundacetone. Osmundacetone significantly suppresses the phosphorylation of MAPKs, including JNK, ERK, and p38 kinases. Osmundacetone has a neuroprotective effect against oxidative stress.
    (E)-Osmundacetone
  • HY-P10072A
    MK2-IN-5 acetate
    		98.46%
    MK2-IN-5 (Hsp25 kinase inhibitor) acetate is a Mk2 pseudosubstrate (Ki= 8 μM). MK2-IN-5 acetate targets the protein interaction domain in the MAPK pathway. MK2-IN-5 acetate inhibits HSP25 and HSP27 phosphorylation.
    MK2-IN-5 acetate
  • HY-112349
    SB 203580 sulfone
    		Inhibitor 99.25%
    SB 203580 sulfone is an analog of p38 MAP kinase inhibitor SB 203580, which inhibits the IL-1 production in monocytes with an IC50 of 0.2 μM and binds competitively with CSAID binding proteins (CSBP), inhibits it mediated stress response signaling with an IC50 of 0.03 μM.
    SB 203580 sulfone
  • HY-118828
    12-Oxo phytodienoic acid
    		99.57%
    12-Oxo phytodienoic acid (12-OPDA) is a plant lipid-derived anti-inflammatory compound. 12-Oxo phytodienoic acid suppresses neuroinflammation by inhibiting Nf-κB and p38 MAPK signaling in Lipopolysaccharides (LPS) (HY-D1056)-activated cells. 12-Oxo phytodienoic acid can be used for neurodegenerative diseases research.
    12-Oxo phytodienoic acid
  • HY-120149
    Inotodiol
    		Inhibitor
    Inotodiol activates p53 signaling pathway, inhibits MMP-2/9, and exhibits antitumor activity in cancer cell HeLa. Inotodiol inhibits the generation of ROS and exhibits antioxidant and neuroprotective effects. Inotodiol inhibits the activation of MAPK and NF-κB signaling pathway, and exhibits anti-inflammatory activity. Inotodiol inhibits TLR-4 mediated TNF-α production (IC50s in BMMC and BMDM is 0.7 μM and 3.0 μM), inhibits the degranulation in mast cell, exhibits anti-allergic activity. Inotodiol is orally active.
    Inotodiol
  • HY-N7102
    Ceftiofur
    		Inhibitor 99.06%
    Ceftiofur is a cell wall synthesis inhibitor that targets bacterial penicillin-binding proteins (PBPs) and has anti-inflammatory effects in endotoxemia. Ceftiofur exerts bactericidal effects by inhibiting the synthesis of bacterial cell wall peptidoglycan, leading to bacterial cell lysis. Ceftiofur 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
  • HY-N2217
    Rotundic acid
    		Activator 99.41%
    Rotundic acid, a triterpenoid obtained from Ilex rotunda Thunb., induces DNA damage and cell apoptosis in hepatocellular carcinoma through AKT/mTOR and MAPK Pathways. Rotundic acid possesses anti-inflammatory and cardio-protective abilities.
    Rotundic acid
  • HY-76006
    3-Hydroxybenzaldehyde
    		Inhibitor 99.89%
    3-Hydroxybenzaldehyde (3-HBA) is a precursor compound for phenolic compounds like Protocatechuic aldehyde (PCA) (HY-N0295). 3-Hydroxybenzaldehyde, produced by 3-hydroxybenzyl-alcohol dehydrogenase, is a substrate of aldehyde dehydrogenase (ALDH) in rats and humans. 3-Hydroxybenzaldehyde has vasculoprotective effects in vitro and in vivo. 3-Hydroxybenzaldehyde is proming for research of atherosclerosis.
    3-Hydroxybenzaldehyde
  • HY-155736
    MAPK-IN-2
    		Inhibitor 98.54%
    MAPK-IN-2 (compound 3h) is a potent MAPK inhibitor with antineoplastic activity. MAPK-IN-2 inhibits cancer cell proliferation among serval cancer cell lines, and suppresses MAPK pathway with potant efficacy (EGFRWT IC50=281 nM, c-MET IC50=205 nM, B-RAFWT IC50=112 nM, and CDK4/6 IC50=95 and 184 nM, respectively). MAPK-IN-2 even shows a remarkable potency against mutated EGFR and B-RAF (EGFRT790M IC50=69 nM and B-RAFV600E IC50=83 nM).
    MAPK-IN-2
  • HY-146195
    MAPK-IN-1
    		Inhibitor
    MAPK-IN-1 (Compound 2) is a MAPK signaling pathway inhibitor. MAPK-IN-1 exhibits AChE inhibitory activity with an IC50 of 23.84 μM. MAPK-IN-1 shows anti-neuroinflammatory and neuroprotective activity and can be used for Alzheimer's disease research.
    MAPK-IN-1
  • HY-161834
    RG100204
    		Inhibitor 99.50%
    RG100204 is a selective, orally available inhibitor of the aquaporin AQP9. RG100204 directly inhibits AQP9 channel function, preventing the transmembrane transport of water, glycerol, and H2O2. RG100204 reduces the activation of the NLRP3 inflammasome and p38 MAPK signaling pathways, thereby alleviating inflammation and pyroptosis. RG100204 reduces multi-organ dysfunction in a mouse sepsis model and shows glucose-regulating effects in diabetic db/db mice.
    RG100204
  • 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 has anti-neuroinflammatory activity.
    Murrayafoline A
  • HY-133554
    ASK1-IN-1
    		Inhibitor 99.80%
    ASK1-IN-1 is a CNS-penetrant ASK1 (apoptosis signal-regulating kinase 1) inhibitor, with good potency (cell IC50=138 nM; Biochemical IC50=21 nM).
    ASK1-IN-1
  • HY-137941
    Roxatidine
    		Inhibitor 98.25%
    Roxatidine is an active metabolite of Roxatidine acetate hydrochloride, is an orally active histamine H2-receptor antagonist. Roxatidine, an anti-ulcer agent, suppresses histamine release (thus inhibiting proton secretion) and inhibits the production of VEGF-1, an important marker of inflammation and angiogenesis. Anti-allergic inflammatory effect. Roxatidine is promising for research of gastric and duodenal ulcers.
    Roxatidine
  • HY-131335
    p38α inhibitor 2
    		Inhibitor 98.03%
    p38α inhibitor 2 is a highly potent and selective p38α MAPK inhibitor, with a pIC50 of 9.6. p38α inhibitor 2 inhibits the hERG ion channel (IC50=27 μM) and shows a promising selectivity profile when tested in a panel of 51 other protein kinases (<30% inhibition at 10 μM concentration) and a panel of 141 other biological targets.
    p38α inhibitor 2
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
p38 MAPK Isoform Comparison

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