1. Signaling Pathways
  2. MAPK/ERK Pathway
  3. JNK

JNK

c-Jun N-terminal kinase

JNK (c-Jun N-terminal kinase), a kinase subfamily belonging to the MAPK, is activated in response to various stress stimuli and possesses a wide variety of regulatory functions. The JNK family of serine/threonine protein kinases comprises three isoforms (JNK1, JNK2 and JNK3). JNKs are involved in the emergence and progression of diverse pathologies such as neurodegenerative, cardiovascular and metabolic disorders as well as inflammation and cancer.

Similar to the other MAP kinases, JNKs are activated by a phosphorylation cascade generally involving two types of upstream kinases, the so-called MAP kinase kinase kinases (MAP3K, MKKK) and the MAP kinase kinases (MAP2K; MKK). At the MAP2K level, JNKs are activated by MKK4 and MKK7, the former is a common activator of the JNK and the p38 MAP kinase signaling pathway. The JNK cascade shares various intersection points with other pathways making it a part of a complex signaling network.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-B1014S1
    Acenocoumarol-d4
    Inhibitor
    Acenocoumarol-d4 is deuterium labeled Acenocoumarol (HY-B1014). Acenocoumarol is an anticoagulant that functions as a Vitamin K antagonist. Acenocoumarol inhibits MAPK/ERK/JNK signaling pathway, reduces the nuclear translocation of NF-κB p65, activates Akt/GSK3β signaling pathway. Acenocoumarol induces apoptosis in cell A549, arrests cell cycle at S phase.
    Acenocoumarol-d<sub>4</sub>
  • HY-N3828
    epi-Eriocalyxin A
    Inhibitor
    epi-Eriocalyxin A (Epieriocalyxin A), a diterpenoid isolated from Isodon eriocalyx, induces colon cancer apoptosis. epi-Eriocalyxin A also inhibits ERK1/2 and JNK activation, which suppresses Bcl-2 expression.
    epi-Eriocalyxin A
  • HY-182796
    JNK1 degrader-1
    Degrader
    JNK1 degrader-1 is a JNK1 HyT degrader. JNK1 degrader-1 can induce JNK1 degradation through the HyT-mediated ubiquitin-proteasome system and autophagy-lysosome pathway. JNK1 degrader-1 inhibits TGF-β1-induced epithelial-mesenchymal transition (EMT). JNK1 degrader-1 can be used for research on fibrotic diseases and cancer metastasis. (Pink: JNK1 ligand (HY-183006); Blue: Hyt hydrophobic group (HY-W037848); Black: Linker (HY-B1008)).
    JNK1 degrader-1
  • HY-169609
    JNK-IN-22
    Inhibitor
    JNK-IN-22 (Compound 58) is a JNK-1 inhibitor.
    JNK-IN-22
  • HY-P11242
    Cm-CATH2
    Inhibitor
    Cm-CATH2 is an antimicrobial peptide discovered from Chelonia mydas. Cm-CATH2 has a potent, broad-spectrum and rapid bactericidal ability by rapidly destroying the integrity of bacterial cell membranes. It shows strong activity against Gram-positive bacteria (such as VREF, Staphylococcus aureus), Gram-negative bacteria (such as Escherichia coli, Klebsiella pneumoniae), and fungi (such as Candida albicans) with MICs ranges from 1.17 to 18.75 μg/mL. Cm-CATH2 is also effective against various aquatic pathogenic bacteria. Cm-CATH2 not only inhibits biofilm formation but can also remove the formed biofilms. Cm-CATH2 has immunomodulatory functions and chemotactic effects on immune cells, and can inhibit the production of pro-inflammatory cytokines by macrophages stimulated by LPS (HY-D1056). Cm-CATH2 prevents the activation of NF-κB by inhibiting the degradation of IκBα, and also inhibits the phosphorylation of MAPK signaling pathways (p38, JNK, ERK). Cm-CATH2 demonstrates strong anti-infective ability in mouse peritonitis models and pneumonia models.
    Cm-CATH2
  • HY-161586
    Chloramphenicol/BSA
    Activator
    Chloramphenicol/BSA is the antigen-adjuvant conjugate formed by the coupling of Chloramphenicol (HY-B0239) with Bovine Serum Albumin (BSA). By conjugating the antigen with a protein adjuvant, the production of antigen-specific antibodies in vaccine models can be enhanced. The conjugate does not affect protein folding or disrupt major epitopes, and it can enhance cross-presentation and the generation of antigen-specific T cells.
    Chloramphenicol/BSA
  • HY-175236
    SF-9-2
    Inhibitor
    SF-9-2 is a PD-L1/PD-1 binding inhibitor (IC50 = 24.9 nM). SF-9-2 inhibits epithelial-mesenchymal transition, migration, invasion, and proliferation of SK-N-SH cells, and also induces apoptosis and cell cycle arrest. SF-9-2 blocks PD-L1-induced SK-N-SH cell growth through the MAPK signaling pathway. SF-9-2 restores GSK-3β activity and enhances PD-L1 degradation through the ubiquitin-proteasome pathway. SF-9-2 inhibits tumor growth in the SK-N-SH NOG mouse model without significant toxicity. SF-9-2 also acts as an immune checkpoint inhibitor, blocking PD-L1 to restore T cell function. SF-9-2 can be used in neuroblastoma research.
    SF-9-2
  • HY-178692
    JNK-IN-25
    Inhibitor
    JNK-IN-25 is a potent and selective JNK1/2/3 inhibitor with IC50 values of 1.54 (JNK1), 1.99 (JNK2), and 0.75 nM (JNK3), respectively. JNK-IN-25 inhibits phosphorylation of c-Jun in cells via covalently bonding with the conserved cysteine of JNK1/2/3. JNK-IN-25 can be used for research of cancer, inflammatory and neurodegenerative diseases.
    JNK-IN-25
  • HY-178166
    ETI41
    Inhibitor
    ETI41 is an orally active, selective TLR inhibitor that targets the nucleoside-binding Site I on TLR7 (IC50 = 0.63 μM) and TLR9 (IC50 = 0.16 μM), sparing surface TLRs (including TLR1/TLR2, TLR2/TLR6, TLR4 and TLR5). ETI41 potently inhibits endosomal TLR-mediated pro-inflammatory signaling with nanomolar activity in cellular, biophysical and in vivo assays. ETI41 suppresses the expression of inflammation-associated genes and effectively ameliorates symptoms in mouse models of psoriasis, and systemic lupus erythematosus (SLE). ETI41 can be used for autoimmune and inflammatory diseases research.
    ETI41
  • HY-N6872R
    Actein (Standard)
    Activator
    Actein (Standard) is the analytical standard of Actein. This product is intended for research and analytical applications. Actein, a triterpene glycoside, shows an inhibitory effect on cancer cells, which is isolated from the rhizomes of Cimicifuga foetida. Actein suppresses cell proliferation, induces autophagy and apoptosis through promoting ROS/JNK activation, and blunting AKT pathway in bladder cancer. Actein has little toxicity in vivo.
    Actein (Standard)
  • HY-RS08129
    Mapk9 Rat Pre-designed siRNA Set A
    Inhibitor

    Mapk9 Rat Pre-designed siRNA Set A contains three designed siRNAs for Mapk9 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.

    Mapk9 Rat Pre-designed siRNA Set A
  • HY-N1984R
    Artemisic acid (Standard)
    Inhibitor
    Artemisic acid (Standard) (Qing Hao acid (Standard)) is the analytical standard of Artemisic acid (HY-N1984). This product is intended for research and analytical applications. Artemisinic acid (Qing Hao acid) is a sesquiterpene that can be isolated from Artemisia annua L. Artemisinic acid is also an important precursor for the synthesis of Artemisinin (HY-B0094). Artemisinic acid has various pharmacological activities, such as antimalarial activity, antitumor activity, antipyretic effect, antibacterial activity, allelopathic effect, and anti-adipogenic effect.
    Artemisic acid (Standard)
  • HY-175288
    αMβ2 integrin agonist-1
    Activator
    αMβ2 integrin agonist-1 (Compound 8) is a highly selective αMβ2 integrin agonist with anti-inflammatory activity (EC50=1.4 nM). αMβ2 integrin agonist-1 activates integrin-mediated cell adhesion and JNK/ERK signaling. αMβ2 integrin agonist-1 induces tumor-associated macrophage repolarization and enhances antitumor T-cell immune responses. αMβ2 integrin agonist-1 is promising for research of cancers and chronic inflammatory diseases (e.g., pancreatic cancer, rheumatoid arthritis).
    αMβ2 integrin agonist-1
  • HY-169412
    MAPK-IN-3
    Activator
    MAPK-IN-3 (Compound 4a) is an anti-proliferative agent that shows particularly strong inhibitory effects on KYSE 30, HCT 116, and HGC 27, with IC50 values of 0.57 μM, 3.27 μM, and 2.28 μM, respectively. MAPK-IN-3 blocks the cell cycle via a p53-dependent mechanism and induces cell apoptosis through a p53-independent mechanism. MAPK-IN-3 downregulates the expression of cell cycle-related proteins like Cyclin D1 and cyclin B1, upregulates pro-apoptotic proteins such as cleaved PARP, cleaved caspase-7, and cleaved caspase-9, and reduces the expression of anti-apoptotic proteins like Bcl-2. Additionally, MAPK-IN-3 increases the intracellular level of ROS in KYSE 30 cells and upregulates the expression of members of the MAPK signaling pathway associated with ROS, such as p-ERK, p-p38 and p-JNK.
    MAPK-IN-3
  • HY-E70837
    JNK2 Recombinant Human Active Protein Kinase
    JNK2 is a neuronal-specific isoform of JNK. JNK2 deficiency leads to reduced c-Jun degradation, thereby augmenting c-Jun levels and cellular proliferation. JNK2 Recombinant Human Active Protein Kinase is a recombinant JNK2 protein that can be used to study JNK2-related functions.
    JNK2 Recombinant Human Active Protein Kinase
  • HY-183252
    ICA-1S
    Inhibitor
    ICA-1S is a specific PKC-ι inhibitor. ICA-1S can inhibit MAPK/JNK signaling pathway and downregulate the levels of c-Jun and TNF-α. ICA-1S inhibits the proliferation of breast cancer cells. ICA-1S induces apoptosis of breast cancer cells. ICA-1S can be used in breast cancer-related research.
    ICA-1S
  • HY-173188
    EGFR-IN-154
    Agonist
    EGFR-IN-154 (compound 4c) is an EGFR inhibitor with EC50 values of 0.16 μM, 21.73 μM and 41.56 μM against EGFR Del19, EGFR WT and EGFR L858R, respectively. EGFR-IN-154 shows anticancer activity on various cance cell lines. EGFR-IN-154 induces mitochondrial apoptosis, and decreases pERK1/2 and pAkt levels, but increases pJNK and pp38 levels.
    EGFR-IN-154
  • HY-RS08095
    MAPK10 Human Pre-designed siRNA Set A
    Inhibitor

    MAPK10 Human Pre-designed siRNA Set A contains three designed siRNAs for MAPK10 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

    MAPK10 Human Pre-designed siRNA Set A
  • HY-112363
    Aloisine A
    Inhibitor
    Aloisine A (RP107) is a a potent cyclin-dependent kinase (CDK) inhibitor with IC50s of 0.15 μM, 0.12 μM, 0.4 μM, 0.16 μM for CDK1/cyclin B, CDK2/cyclin A, CDK2/cyclin E, CDK5/p35, respectively. Aloisine A ininhibits GSK-3α (IC50=0.5 μM) and GSK-3β (IC50=1.5 μM). Aloisine A stimulates wild-type CFTR and mutated CFTR, with submicromolar affinity by a cAMP-independent mechanism. Aloisine A has the potential for CFTR-related diseases, including cystic fibrosis research.
    Aloisine A
  • HY-13022B
    CC-401 dihydrochloride
    Inhibitor
    CC-401 dihydrochloride is a potent inhibitor of all three forms of JNK with Ki of 25 to 50 nM.
    CC-401 dihydrochloride
Cat. No. Product Name / Synonyms Application Reactivity

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