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-100114
    TA-01
    		Inhibitor 99.86%
    TA-01 is a potent CK1 and p38 MAPK inhibitor, with IC50s of 6.4 nM, 6.8 nM, 6.7 nM for CK1ε, CK1δ and p38 MAPK, respectively. TA-01 acts as a cardiogenic inhibitor.
    TA-01
  • HY-116626
    SM-7368
    		Inhibitor 99.77%
    SM-7368 is a potent NF-kB inhibitor that targets downstream of MAPK p38 activation. SM-7368 inhibits TNF-α-induced MMP-9 upregulation. SM-7368 can be used for the research of chemotherapies targeting TNF-α-mediated tumor invasion and metastasis .
    SM-7368
  • HY-145564
    Emprumapimod
    		Inhibitor 99.12%
    Emprumapimod (PF-07265803) is a potent, orally active and selective inhibitor of p38α MAPK directly inhibits LPS-induced IL-6 production from RPMI-8226 cell (IC50=100 pM). Emprumapimod can be used for the research of dilated cardiomyopathy and acute inflammatory pain.
    Emprumapimod
  • HY-112569
    MAT2A inhibitor 2
    		Inhibitor 99.71%
    MAT2A inhibitor 2 is an inhibitor of methionine adenosine transferase 2A (MAT2A) with oral activity. MAT2A inhibitor 2 can be used in osteoporosis study
    MAT2A inhibitor 2
  • HY-B0612
    Lercanidipine
    		Inhibitor 99.65%
    Lercanidipine is a third-generation, lipophilic, brain-penetrant, vascular-selective and orally active dihydropyridine-calcium channel blocker with a pIC50 of 7.74 (converts from μM). Lercanidipine has long lasting antihypertensive action as well as reno- and neuro-protective effect. Lercanidipine also shows anti-oxidant, anti-inflammatory and anti-apoptotic properties. Lercanidipine can be used in cardiovascular and neurological research.
    Lercanidipine
  • 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-14975
    R1487 Hydrochloride
    		Inhibitor 99.33%
    R1487 Hydrochloride is a highly potent and selective p38α inhibitor, with Kd values of 0.2 nM and 29 nM for p38α and p38β, respectively.
    R1487 Hydrochloride
  • 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-N0911
    Rehmannioside A
    		Inhibitor 99.96%
    Rehmannioside A is a neuroprotective agent that can be isolated from Rehmanniae radix. Rehmannioside A can inhibit the release of proinflammatory mediators from microglia and promote M2 polarization in vitro, thereby protecting co-cultured neurons from apoptosis by inhibiting NF-κB and MAPK signaling pathways. Rehmannioside A can be used in spinal cord injury research.
    Rehmannioside A
  • HY-P2456
    MBP MAPK Substrate
    		99.71%
    MBP MAPK Substrate is used as an exogenous substrate for MAPK.
    MBP MAPK Substrate
  • 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-76006
    3-Hydroxybenzaldehyde
    		Inhibitor 99.85%
    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-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 LPS-activated cells. 12-Oxo phytodienoic acid can be used for neurodegenerative diseases research.
    12-Oxo phytodienoic acid
  • HY-10261B
    (E/Z)-Afatinib
    		Inhibitor 99.98%
    (E/Z)-Afatinib ((E/Z)-BIBW 2992) is the mixture of (E)-Afatinib and (Z)-Afatinib. Afatinib (HY-10261) is an irreversible inhibitor of EGFR, by irreversibly binding to their ATP binding site to block activation of EGFR, HER2, HER4, and EGFRvIII. Afatinib used in co-administration with Temozolomide (HY-17364), potently targeting to EGFRvIII-cMet signaling in glioblastoma cells.
    (E/Z)-Afatinib
  • HY-N4233
    Bisabolangelone
    		Inhibitor 99.41%
    Bisabolangelone, a sesquiterpene derivative, is isolated from the roots of Osterici Radix. Bisabolangelone possesses anti-inflammatory properties, which inhibits LPS-stimulated inflammation through the blocking of NF-kappaB and MAPK pathways in macrophages. Bisabolangelone has anti-ulcer activities.
    Bisabolangelone
  • 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-120823
    PF-05381941
    		Inhibitor 99.73%
    PF-05381941 is a potent dual inhibitor of TAK1/p38α, with IC50s of 156 and186 nM, respectively.
    PF-05381941
  • HY-18306
    SB 242235
    		Inhibitor 99.51%
    SB-242235 is a potent and selective p38 MAP kinase inhibitor, with an IC50 of 1.0　μM in primary human chondrocytes.
    SB 242235
  • HY-18874
    p38-α MAPK-IN-1
    		Inhibitor 99.89%
    p38-α MAPK-IN-1 is an inhibitor of MAPK14 (p38-α), with IC50 of 2300 nM in EFC displacement assay, and 5500 nM in HTRF assay.
    p38-α MAPK-IN-1
  • HY-135674
    SR-318
    		Inhibitor 99.89%
    SR-318 is a potent and highly selective p38 MAPK inhibitor with IC50s of 5 nM, 32 nM and 6.11 μM for p38α, p38β and p38α/β, respectively. SR-318 potently inhibits the TNF-α release in whole blood with an IC50 of 283 nM. SR-318 has anti-cancer and anti-inflammatory activity.
    SR-318
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
p38 MAPK Isoform Comparison

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