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-B0072S
    Tropisetron-d5
    		Inhibitor
    Tropisetron-d5 (SDZ-ICS-930-d5 (free base)) is deuterium labeled Tropisetron. Tropisetron (SDZ-ICS-930 free base) is an orally active anti-inflammatory and antiemetic agent. Tropisetron is 5-HT3R antagonists with a Ki of 5.3 nM. Tropisetron is also a partial agonist of α7 nicotinic receptor (α7 nAChR) with an EC50 of 1.3 μM. In addition, Tropisetron has antitumor and neuroprotective effects.
    Tropisetron-d<sub>5</sub>
  • HY-49073
    p38 MAP Kinase Inhibitor Ⅵ
    		Inhibitor ≥98.0%
    p38 MAP Kinase Inhibitor VI (compound c32) is a p38 MAPK inhibitor with an inhibition rate of 24%.
    p38 MAP Kinase Inhibitor Ⅵ
  • HY-N0631R
    Cornuside (Standard)
    		Inhibitor
    Cornuside (Standard) is the analytical standard of Cornuside. This product is intended for research and analytical applications. Cornuside is a secoiridoid glucoside isolated from the fruit of Cornus officinalis Sieb. et Zucc., which is a traditional oriental medicine for treating inflammatory diseases and invigorating blood circulation. Cornuside inhibits mast cell-mediated allergic response by down-regulating MAPK and NF-κB signaling pathways. Cornuside has anti-allergic effects in vivo and in vitro which suggests a therapeutic application of this agent in inflammatory allergic diseases.
    Cornuside (Standard)
  • HY-N1431A
    Tabersonine hydrochloride
    		Inhibitor
    Tabersonine hydrochloride is a selective, orally active NLRP3 inhibitor. Tabersonine hydrochloride directly binds to the NACHT domain of NLRP3, inhibiting its ATPase activity and oligomerization, thereby blocking ASC spot formation and caspase-1 activation, and reducing the release of pro-inflammatory cytokines such as IL-1β. Tabersonine hydrochloride also inhibits K63-linked ubiquitination of TRAF6, blocking NF-κB, PI3K/Akt, and p38 MAPK signaling pathways. Tabersonine hydrochloride can inhibit inflammatory responses, induce apoptosis of liver cancer cells through mitochondrial pathways and death receptor pathways, reduce mitochondrial membrane potential, promote cytochrome c release, and activate caspase proteins. Tabersonine hydrochloride is mainly used in the study of NLRP3-driven inflammatory diseases (such as acute lung injury, sepsis, peritonitis) and tumors such as liver cancer.
    Tabersonine hydrochloride
  • HY-163030
    LasB-IN-1
    		Inhibitor
    LasB-IN-1 (compound 5f) is a potent and orally active inhibitor of LasB (IC50 = 8.7 μM). LasB-IN-1 effectively attenuates elastase production and biofilm formation by P. aeruginosa while alleviating the inflammatory response through downregulating MAPK and NF-κB pathways. LasB-IN-1 is potential to be a novel anti-infective candidate against drug-resistant infections.
    LasB-IN-1
  • HY-N0253R
    Hederacoside C (Standard)
    		Inhibitor
    Hederacoside C (Standard) is the analytical standard of Hederacoside C. This product is intended for research and analytical applications. Hederacoside C (Kalopanaxsaponin B) is an ingredient that can be obtained mainly from ivy leaves. Hederacoside C mediates inflammation by inhibiting activation of MAPK/NF-κB and its downstream signaling pathway. Hederacoside C has anti-inflammatory and antibacterial activity.
    Hederacoside C (Standard)
  • HY-10405S
    Pamapimod-d4
    		Inhibitor
    Pamapimod-d4 (Ro4402257-d4) is the deuterium labeled Pamapimod. Pamapimod (Ro4402257) is a potent, selective and orally active p38 MAPK inhibitor with IC50s of 14 nM and 480 nM and Kis of 1.3 nM and 120 nM for p38α and p38β, respectively. Pamapimod has no activity against p38δ or p38γ isoforms. Pamapimod has the potential for rheumatoid arthritis and other autoimmune diseases treatment.
    Pamapimod-d<sub>4</sub>
  • HY-N1500R
    Pulegone (Standard)
    		Inhibitor
    Pulegone (Standard) is the analytical standard of Pulegone (HY-N1500). This product is intended for research and analytical applications. Pulegone is a monoterpene ketone compound widely present in the essential oils of many plants. Pulegone can also be used as a bird repellent. Pulegone has multiple activities such as anti-inflammatory, antibacterial, antifungal, and anti-hyperalgesic effects. Pulegone is particularly effective against bacteria of the Salmonella species.
    Pulegone (Standard)
  • HY-B1556
    Benzyl salicylate
    		Inhibitor 99.95%
    Benzyl salicylate is a salicylic acid benzyl ester. It can be used as a fragrance additive or UV light absorber.
    Benzyl salicylate
  • HY-113342R
    7-Ketocholesterol (Standard)
    		Activator
    7-Ketocholesterol (Standard) is the analytical standard of 7-Ketocholesterol. This product is intended for research and analytical applications. 7-Ketocholesterol is an oxidation product of cholesterol, widely present in atherosclerotic plaques, and has a stronger atherogenic effect than cholesterol. 7-Ketocholesterol can inhibit the rate-limiting enzymes involved in bile acid and cholesterol synthesis, such as cholesterol 7α-hydroxylase and HMG-CoA reductase. 7-Ketocholesterol exhibits pro-inflammatory effects both in vivo and in vitro and can induce cell apoptosis (apoptosis).
    7-Ketocholesterol (Standard)
  • HY-19399D
    Iroxanadine hydrochloride
    		Activator
    Iroxanadine (BRX 005) hydrochloride is a vasculoprotector. Iroxanadine is a p38 kinase and HSP protein dual activator. Iroxanadine hydrochloride has the potential for atherosclerosis and vascular diseases research.
    Iroxanadine hydrochloride
  • HY-12511R
    SKF-86002 (Standard)
    		Inhibitor
    SKF-86002 (Standard) is the analytical standard of SKF-86002. This product is intended for research and analytical applications. SKF-86002 is an orally active p38 MAPK inhibitor, with anti-inflammatory, anti-arthritic and analgesic activities. SKF-86002 inhibits lipopolysaccharide (LPS)-stimulate human monocyte IL-1 and TNF-α production (IC50 = 1 μM). SKF-86002 inhibits lipoxygenase- and cyclooxygenase-mediated metabolism of arachidonic acid.
    SKF-86002 (Standard)
  • HY-N15496
    Fusaproliferin
    		Inhibitor
    Fusaproliferin is a sesterterpene mycotoxin isolated from Fusarium solani. Fusaproliferin reverse Lipopolysaccharides (HY-D1056) stimulation and the NF-κB and MAPKs signaling pathways contribute to the anti-inflammatory process. Fusaproliferin exhibits affinity for the TLR4 protein with KD values of 28.6 μM. Fusaproliferin shows cytotoxicity against pancreatic cancer cell with rapid and sub-micromolar IC50.
    Fusaproliferin
  • HY-176228
    WEIZ-WX-04-008
    		Inhibitor
    WEIZ-WX-04-008 (Compound 1) is a covalent Lysine-targeting MKK7 inhibitor with IC50 of 738 nM.
    WEIZ-WX-04-008
  • HY-171275
    p38 MAP Kinase-IN-1
    		Inhibitor
    p38 MAP Kinase-IN-1 (Compound 4) is the inhibitor for p38, and can be used for inflammation and auto-immune responses related research.
    p38 MAP Kinase-IN-1
  • HY-164530
    SKLB646
    		Inhibitor
    SKLB646 is an orally active multi-target kinase inhibitor. SKLB646 shows significant inhibitory effects on SRC and VEGFR2 with IC50 values ??of 0.002 μmol/L and 0.012 μmol/L, respectively. SKLB646 also shows significant inhibitory effects on B-Raf and C-Raf with IC50 values ??of 0.022 μmol/L and 0.019 μmol/L, respectively. SKLB646 inhibits the activation of the SRC signaling pathway and blocks the MAPK signaling pathway by inhibiting Raf kinase. In addition, SKLB646 can inhibit the proliferation, migration and invasion of human umbilical vein endothelial cells (HUVEC) to inhibit tumor-induced angiopoietic formation. SKLB646 shows significant anti-proliferative and anti-survival activities against triple-negative breast cancer (TNBC) cell lines.
    SKLB646
  • HY-W654121
    p-Cresol sulfate-d4 potassium
    		Activator
    p-Cresol sulfate-d4 (potassium) is deuterium labeled p-Cresyl sulfate (potassium). p-Cresyl sulfate potassium is a uremic toxin that binds to a prototype protein. p-Cresyl sulfate potassium activates the JNK and p38 MAPK signaling pathways. p-Cresyl sulfate potassium has pro-inflammatory activity.
    p-Cresol sulfate-d<sub>4</sub> potassium
  • HY-N2118R
    Bilobetin (Standard)
    Bilobetin (Standard) is the analytical standard of Bilobetin. This product is intended for research and analytical applications. Bilobetin, an active component of Ginkgo biloba, can reduce blood lipids and improve the effects of insulin. Bilobetin ameliorated insulin resistance, increased the hepatic uptake and oxidation of lipids, reduced very-low-density lipoprotein triglyceride secretion and blood triglyceride levels, enhanced the expression and activity of enzymes involved in β-oxidation and attenuated the accumulation of triglycerides and their metabolites in tissues. Bilobetin also increased the phosphorylation, nuclear translocation and activity of PPARα accompanied by elevated cAMP level and PKA activity.
    Bilobetin (Standard)
  • HY-137135
    Cantharidic acid
    		Activator
    Cantharidic acid is a selective inhibitor for protein phosphatase 2 (PP2A) and protein phosphatase 1 (PP1). Cantharidic acid inhibits cell viability and arrest cell cycle at sub G1 phase, induces apoptosis in cells NPC-39 and HONE-1 through the upregulation of ERK1/2, p38, and JNK1/2 pathway.
    Cantharidic acid
  • HY-N0721R
    Neoandrographolide (Standard)
    		Inhibitor
    Neoandrographolide (Standard) is the analytical standard of Neoandrographolide. This product is intended for research and analytical applications. Neoandrographolide is a diterpenoid compound isolated from Andrographis paniculata. Neoandrographolide inhibits osteoclasts differentiation and bone resorption through inhibition of MAPK/NF-κB/PI3K/AKT/GSK3β/PPAR/CAMK signaling pathway. Neoandrographolide inhibits apoptosis in rat embryonic ventricular cardiomyocytes. Neoandrographolide inhibits iNOS and the generation of ROS, activates eNOS, exhibiting anti-inflammatory and hypolipidemic activity.
    Neoandrographolide (Standard)
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
p38 MAPK Isoform Comparison

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