Summary

Name MAPK8
Full Name Mitogen-activated protein kinase 8
Synonyms MAP kinase 8, MAPK 8, JNK-46, Stress-activated protein kinase 1c, SAPK1c, Stress-activated protein kinase JNK1, c-Jun N-terminal kinase 1 | JNK1, PRKM8, SAPK1, SAPK1C
Primary ID P45983
Links - -
Type protein
Relations 188
Pathways Acute Myeloid Leukemia, COVID-19 Causal Network, EGFR Signaling, FLT3-ITD in AML, Glucocorticoid receptor Signaling, GPCR_HCC, Macrophage polarization, SAPK/JNK Signaling, SARS-CoV ATTACHMENT AND ENTRY, TNF-alpha Signaling, Toll like receptors, WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
Inhibitors anthra[1,9-cd]pyrazol-6(2H)-one; 4-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-[(5-nitro-2-thiazolyl)thio]-1H-1,2,4-triazol-5-one
Function Serine/threonine-protein kinase involved in various processes such as cell proliferation, differentiation, migration, transformation and programmed cell death. Extracellular stimuli such as proinflammatory cytokines or physical stress stimulate the stress-activated protein kinase/c-Jun N-terminal kinase (SAP/JNK) signaling pathway. In this cascade, two dual specificity kinases MAP2K4/MKK4 and MAP2K7/MKK7 phosphorylate and activate MAPK8/JNK1. In turn, MAPK8/JNK1 phosphorylates a number of transcription factors, primarily components of AP-1 such as JUN, JDP2 and ATF2 and thus regulates AP-1 transcriptional activity (PubMed:18307971). Phosphorylates the replication licensing factor CDT1, inhibiting the interaction between CDT1 and the histone H4 acetylase HBO1 to replication origins (PubMed:21856198). Loss of this interaction abrogates the acetylation required for replication initiation. Promotes stressed cell apoptosis by phosphorylating key regulatory factors including p53/TP53 and Yes-associates protein YAP1 (PubMed:21364637). In T-cells, MAPK8 and MAPK9 are required for polarized differentiation of T-helper cells into Th1 cells. Contributes to the survival of erythroid cells by phosphorylating the antagonist of cell death BAD upon EPO stimulation (PubMed:21095239). Mediates starvation-induced BCL2 phosphorylation, BCL2 dissociation from BECN1, and thus activation of autophagy (PubMed:18570871). Phosphorylates STMN2 and hence regulates microtubule dynamics, controlling neurite elongation in cortical neurons. In the developing brain, through its cytoplasmic activity on STMN2, negatively regulates the rate of exit from multipolar stage and of radial migration from the ventricular zone. Phosphorylates several other substrates including heat shock factor protein 4 (HSF4), the deacetylase SIRT1, ELK1, or the E3 ligase ITCH (PubMed:20027304, PubMed:17296730, PubMed:16581800). Phosphorylates the CLOCK-ARNTL/BMAL1 heterodimer and plays a role in the regulation of the circadian clock (PubMed:22441692). Phosphorylates the heat shock transcription factor HSF1, suppressing HSF1-induced transcriptional activity (PubMed:10747973). Phosphorylates POU5F1, which results in the inhibition of POU5F1's transcriptional activity and enhances its proteosomal degradation (By similarity). Phosphorylates JUND and this phosphorylation is inhibited in the presence of MEN1 (PubMed:22327296). In neurons, phosphorylates SYT4 which captures neuronal dense core vesicles at synapses (By similarity). Phosphorylates EIF4ENIF1/4-ET in response to oxidative stress, promoting P-body assembly (PubMed:22966201).

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Modifications Tables

Relations

Regulator Mechanism target score
+ up-regulates img/direct-activation.png phosphorylation JUND 0.796
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png phosphorylation CDC25B 0.286
Publications: 2 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation PPARG 0.531
Publications: 1 Organism: Homo Sapiens
Pathways:Macrophage polarization
+ up-regulates quantity by stabilization img/direct-activation.png phosphorylation PIN1 0.273
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity by stabilization img/direct-activation.png phosphorylation CDKN1A 0.671
Publications: 2 Organism: Homo Sapiens, In Vitro
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML
+ up-regulates activity img/direct-activation.png phosphorylation SYT4 0.413
Publications: 1 Organism: Rattus Norvegicus
+ down-regulates img/direct_inhibition.png phosphorylation AIMP1 0.476
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation H2AX 0.2
Publications: 1 Organism: Homo Sapiens
Tissue: Kidney
+ img/unknown.png phosphorylation MAPK8IP1 0.88
Publications: 5 Organism: Chlorocebus Aethiops
Pathways:SAPK/JNK Signaling
+ down-regulates quantity by destabilization img/direct_inhibition.png phosphorylation NFE2 0.412
Publications: 1
+ down-regulates img/direct_inhibition.png phosphorylation CDC25C 0.415
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation IRF3 0.538
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, Toll like receptors
+ up-regulates activity img/direct-activation.png phosphorylation PXN 0.681
Publications: 1 Organism: Rattus Norvegicus
+ down-regulates img/direct_inhibition.png phosphorylation YWHAZ 0.373
Publications: 1 Organism: Homo Sapiens
Pathways:SAPK/JNK Signaling
+ down-regulates img/direct_inhibition.png phosphorylation YWHAB 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation SFN 0.341
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png phosphorylation GRB7 0.263
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation NLRP3 0.372
Publications: 1 Organism: In Vitro
+ up-regulates img/direct-activation.png phosphorylation TP53 0.797
Publications: 3 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML
+ up-regulates activity img/direct-activation.png phosphorylation TP53 0.797
Publications: 1 Organism: Mus Musculus
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML
+ down-regulates quantity by destabilization img/direct_inhibition.png phosphorylation EEF1A2 0.377
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation NEIL1 0.2
Publications: 3 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation RCSD1 0.288
Publications: 3 Organism: In Vitro
+ up-regulates activity img/direct-activation.png phosphorylation HNRNPK 0.375
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation HNRNPK 0.375
Publications: 2 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation NR3C1 0.636
Publications: 1 Organism: Homo Sapiens
Pathways:Glucocorticoid receptor Signaling
+ up-regulates activity img/direct-activation.png phosphorylation ITCH 0.653
Publications: 5 Organism: Homo Sapiens, Mus Musculus
+ down-regulates activity img/direct_inhibition.png phosphorylation RXRA 0.461
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia
+ up-regulates img/direct-activation.png phosphorylation SIRT1 0.606
Publications: 3 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML
+ down-regulates quantity img/direct_inhibition.png phosphorylation MFN2 0.432
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation EIF4ENIF1 0.324
Publications: 6 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation IRS1 0.772
Publications: 5 Organism: Homo Sapiens
Tissue: Muscle, Skeletal Muscle
+ down-regulates quantity by destabilization img/direct_inhibition.png phosphorylation IRS1 0.772
Publications: 1 Organism: Rattus Norvegicus
+ down-regulates activity img/direct_inhibition.png phosphorylation HSF1 0.501
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation STMN1 0.319
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation ELK1 0.508
Publications: 1 Organism: Homo Sapiens
Pathways:EGFR Signaling, SAPK/JNK Signaling
+ up-regulates activity img/direct-activation.png phosphorylation ELK1 0.508
Publications: 2 Organism: Homo Sapiens
Pathways:EGFR Signaling, SAPK/JNK Signaling
+ up-regulates quantity by stabilization img/direct-activation.png phosphorylation CDT1 0.372
Publications: 2 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation CTBP1 0.361
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia
+ up-regulates activity img/direct-activation.png phosphorylation ARHGAP8 0.329
Publications: 1
+ down-regulates activity img/direct_inhibition.png phosphorylation SARM1 0.426
Publications: 1
Pathways:Toll like receptors
+ down-regulates activity img/direct_inhibition.png phosphorylation IRS1 0.772
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation MYC 0.561
Publications: 2 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, EGFR Signaling, FLT3-ITD in AML, WNT Signaling, WNT/FLT3
+ down-regulates img/direct_inhibition.png phosphorylation BCL2L1 0.776
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network, FLT3-ITD in AML
+ up-regulates activity img/direct-activation.png phosphorylation AP1 0.818
Publications: 2 Organism: Chlorocebus Aethiops
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network, Toll like receptors
+ up-regulates activity img/direct-activation.png phosphorylation JUN 0.908
Publications: 2 Organism: Chlorocebus Aethiops
Pathways:Acute Myeloid Leukemia, EGFR Signaling, Glucocorticoid receptor Signaling, SAPK/JNK Signaling, TNF-alpha Signaling, WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
+ up-regulates img/direct-activation.png phosphorylation TWIST1 0.31
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia
+ down-regulates quantity by destabilization img/direct_inhibition.png phosphorylation BCL2L11 0.759
Publications: 2 Organism: Mus Musculus, Homo Sapiens
Pathways:COVID-19 Causal Network, SAPK/JNK Signaling
+ up-regulates img/direct-activation.png phosphorylation BCL2 0.578
Publications: 2 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network
+ down-regulates img/direct_inhibition.png phosphorylation STAT6 0.356
Publications: 1 Organism: Homo Sapiens
Pathways:Macrophage polarization
+ up-regulates activity img/direct-activation.png phosphorylation STAT3 0.572
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, EGFR Signaling, Macrophage polarization
+ down-regulates activity img/direct_inhibition.png phosphorylation ATN1 0.379
Publications: 1 Organism: Homo Sapiens
Tissue: Brain
+ up-regulates img/direct-activation.png phosphorylation KRT8 0.376
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation BCL2L11 0.759
Publications: 1 Organism: Mus Musculus
Pathways:COVID-19 Causal Network, SAPK/JNK Signaling
+ up-regulates img/direct-activation.png phosphorylation STK4 0.269
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation BCL2 0.578
Publications: 2 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network
+ down-regulates img/direct_inhibition.png phosphorylation PPM1J 0.347
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation NR4A1 0.504
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation JUNB 0.72
Publications: 2 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation MAPK8IP1 0.88
Publications: 1 Organism: Chlorocebus Aethiops
Pathways:SAPK/JNK Signaling
+ down-regulates quantity by destabilization img/direct_inhibition.png phosphorylation WDR62 0.559
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation BCL2L11 0.759
Publications: 3 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SAPK/JNK Signaling
+ up-regulates img/direct-activation.png phosphorylation MCL1 0.531
Publications: 2 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network
+ up-regulates img/direct-activation.png phosphorylation MAPK8 0.697
Publications: 3 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, TNF-alpha Signaling, Toll like receptors
+ up-regulates activity img/direct-activation.png phosphorylation MAPK8 0.749
Publications: 3 Organism: Homo Sapiens, In Vitro
Pathways:COVID-19 Causal Network, EGFR Signaling, Macrophage polarization, SAPK/JNK Signaling, SARS-CoV ATTACHMENT AND ENTRY, TNF-alpha Signaling
+ down-regulates img/direct_inhibition.png phosphorylation LAT 0.31
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation MAPK8IP3 0.721
Publications: 3 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation SP1 0.704
Publications: 2 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia
+ down-regulates activity img/direct_inhibition.png phosphorylation CDT1 0.372
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation PKM 0.374
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation AKT1 0.43
Publications: 1 Organism: Rattus Norvegicus
+ up-regulates img/direct-activation.png phosphorylation FOXO4 0.611
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation FOXO 0.714
Publications: 2 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML
+ up-regulates img/direct-activation.png phosphorylation ATF2 0.779
Publications: 4 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SAPK/JNK Signaling
+ down-regulates img/direct_inhibition.png phosphorylation BCL2 0.578
Publications: 3 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network
+ up-regulates img/direct-activation.png phosphorylation APLP2 0.364
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation APP 0.71
Publications: 2 Organism: Homo Sapiens
+ up-regulates quantity by stabilization img/direct-activation.png phosphorylation TP53 0.797
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML
+ up-regulates activity img/direct-activation.png phosphorylation STAT1 0.45
Publications: 1 Organism: Mus Musculus
Pathways:EGFR Signaling
+ down-regulates img/indirect_inhibition.png MAPK8 0.422
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png MAPK8 0.258
Publications: 1 Organism: Homo Sapiens
Tissue: Kidney
+ up-regulates img/direct-activation.png chemical activation MAPK8 0.8
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation MAPK8 0.712
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation ITCH 0.653
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png binding MAPK8 0.88
Publications: 4 Organism: Homo Sapiens
Pathways:SAPK/JNK Signaling
+ down-regulates img/direct_inhibition.png phosphorylation BAD 0.683
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network, FLT3-ITD in AML
+ up-regulates activity img/direct-activation.png binding MAPK8 0.826
Publications: 1 Organism: Homo Sapiens
Pathways:WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
+ up-regulates img/direct-activation.png binding MAPK8 0.323
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding MAPK8 0.456
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation MAPK8 0.706
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/indirect-activation.png MAPK8 0.657
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML, WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
+ up-regulates img/indirect-activation.png MAPK8 0.32
Publications: 1 Organism: Homo Sapiens
Pathways:SAPK/JNK Signaling
+ up-regulates img/direct-activation.png chemical activation MAPK8 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png MAPK8 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding MAPK8 0.374
Publications: 1 Organism: Homo Sapiens
Pathways:SAPK/JNK Signaling
+ down-regulates img/direct_inhibition.png phosphorylation NFATC3 0.836
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png BAX 0.558
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, COVID-19 Causal Network, SAPK/JNK Signaling, TNF-alpha Signaling
+ up-regulates activity img/indirect-activation.png MAPK8 0.506
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY
+ up-regulates img/direct-activation.png binding MAPK8 0.636
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation BCL2L11 0.759
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SAPK/JNK Signaling
+ up-regulates img/indirect-activation.png MAPK8 0.292
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation MAPK8 0.498
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/indirect_inhibition.png MAPK8 0.636
Publications: 1 Organism: Mus Musculus
Pathways:Glucocorticoid receptor Signaling
+ down-regulates img/direct_inhibition.png chemical inhibition MAPK8 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding MAPK8 0.657
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML, WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
+ down-regulates activity img/direct_inhibition.png dephosphorylation MAPK8 0.631
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/indirect_inhibition.png MAPK8 0.503
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png chemical inhibition MAPK8 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png MAPK8 0.381
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png Actin_cytoskeleton_reorganization 0.7
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding MAPK8 0.721
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding MAPK8 0.657
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, FLT3-ITD in AML, WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
+ up-regulates img/direct-activation.png phosphorylation LRP6 0.385
Publications: 1 Organism: Homo Sapiens
Pathways:WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
+ down-regulates img/direct_inhibition.png phosphorylation NFATC2 0.751
Publications: 1 Organism: Homo Sapiens
Pathways:SAPK/JNK Signaling
+ up-regulates img/indirect-activation.png MAPK8 0.624
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation ELK3 0.323
Publications: 1
+ down-regulates img/direct_inhibition.png dephosphorylation MAPK8 0.788
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png dephosphorylation MAPK8 0.424
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation MAPK8 0.297
Publications: 1 Organism: Homo Sapiens
Pathways:WNT Signaling, WNT/FLT3, WNT Signaling and Myogenesis
+ up-regulates img/direct-activation.png phosphorylation PKMYT1 0.336
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation OSBP2 0.2
Publications: 1
+ up-regulates activity img/direct-activation.png binding MAPK8 0.311
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation MAPK9 0.588
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization MAPK8 0.559
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png phosphorylation MAPK8 0.383
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation BMF 0.688
Publications: 1 Organism: Homo Sapiens