Phospho-MAPK8IP1 (T103) Antibody

Code CSB-PA080012
Size US$100
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  • Western Blot analysis of COLO cells using Phospho-JIP-1 (T103) Polyclonal Antibody

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Product Details

Uniprot No.
Target Names
Alternative Names
MAPK8IP1 antibody; IB1 antibody; JIP1 antibody; PRKM8IP antibody; C-Jun-amino-terminal kinase-interacting protein 1 antibody; JIP-1 antibody; JNK-interacting protein 1 antibody; Islet-brain 1 antibody; IB-1 antibody; JNK MAP kinase scaffold protein 1 antibody; Mitogen-activated protein kinase 8-interacting protein 1 antibody
Raised in
Species Reactivity
Synthesized peptide derived from Human JIP-1 around the phosphorylation site of T103.
Immunogen Species
Homo sapiens (Human)
Purification Method
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
It differs from different batches. Please contact us to confirm it.
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Tested Applications
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:2000
IHC 1:100-1:300
IF 1:200-1:1000
ELISA 1:5000
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

The JNK-interacting protein (JIP) group of scaffold proteins selectively mediates JNK signaling by aggregating specific components of the MAPK cascade to form a functional JNK signaling module. Required for JNK activation in response to excitotoxic stress. Cytoplasmic MAPK8IP1 causes inhibition of JNK-regulated activity by retaining JNK in the cytoplasm and inhibiting JNK phosphorylation of c-Jun. May also participate in ApoER2-specific reelin signaling. Directly, or indirectly, regulates GLUT2 gene expression and beta-cell function. Appears to have a role in cell signaling in mature and developing nerve terminals. May function as a regulator of vesicle transport, through interactions with the JNK-signaling components and motor proteins. Functions as an anti-apoptotic protein and whose level seems to influence the beta-cell death or survival response. Acts as a scaffold protein that coordinates with SH3RF1 in organizing different components of the JNK pathway, including RAC1 or RAC2, MAP3K11/MLK3 or MAP3K7/TAK1, MAP2K7/MKK7, MAPK8/JNK1 and/or MAPK9/JNK2 into a functional multiprotein complex to ensure the effective activation of the JNK signaling pathway. Regulates the activation of MAPK8/JNK1 and differentiation of CD8(+) T-cells.
Gene References into Functions
  1. All binary complexes (KLC1:APP, KLC1:JIP1, and APP:JIP1) contain conformations with favorable binding free energies indicating that KLC1 and JIP1 may take part in APP transport in Alzheimer's disease patients. PMID: 27891669
  2. analysis of the role of JIP1 in APP transport; knockdown of JIP1 did not affect either amyloid precursor protein transport or amyloid-beta peptide production PMID: 23825109
  3. Data show that small GTPase RALA regulates formation of a JIP1 (C-Jun-amino-terminal-interacting protein 1) scaffold complex to propagate JNK signaling toward FOXO4 (forkhead box O transcription factor) in response to reactive oxygen species (ROS). PMID: 23770673
  4. In resected pancreatic cancer, carriers of a minor allele for rs3824872 (MAPK8IP1) were associated with a survival advantage compared with noncarriers with an additional 2-year survival if both minor alleles were present. PMID: 23360921
  5. Lysine 63-linked ubiquitination modulates mixed lineage kinase-3 interaction with JIP1 scaffold protein in cytokine-induced pancreatic beta cell death PMID: 23172226
  6. Data suggest that caspase 3-mediated cleavage of JIP1 scaffold proteins may represent an important mechanism for modulation of JNK signalling during apoptotic cell death. PMID: 21237154
  7. Data show that mechanical stress of urothelial cells activates in vivo JNK, as a consequence of a regulated expression of IB1/JIP-1, and that urothelial connexin 26 may be directly regulated by the AP-1 complex. PMID: 12064607
  8. role in promoting transcription of amyloid beta protein precursor PMID: 12563035
  9. results suggest that JIP-1b may function as a protein linking the kinesin-I motor protein to the cargo receptor, APP, and that the JNK signaling pathway may regulate the phosphorylation of this cargo protein through the JIP-1b scaffold PMID: 12665528
  10. Promoter variant is associated with Alzheimer's disease. PMID: 12740599
  11. JIP1 may act as an Akt1 scaffold, which regulates the enzymatic activity of Akt1 and can exert signaling effects independent of JNK activity PMID: 12783873
  12. JIP-1 protein may regulate kinesin-I-dependent neuronal AbetaPP transport, which controls AbetaPP processing PMID: 12893827
  13. JIP-1 only facilitated (but is not required for) phosphorylation of Amyloid beta protein precursor but not of the two other family members APLP1 (amyloid precursor-like protein 1) and APLP2 PMID: 12917434
  14. stability is modulated by intracellular calcium PMID: 14507925
  15. Growth control of prostate cancer cells can be mediated through JNK/c-Jun pathway, but androgen responsiveness can be independent of this pathway; androgen independence in progressive prostate cancer may not occur through activation of this pathway. PMID: 15138488
  16. High IGF II expression was followed by high expression of JIP-1 in testicular neoplasms. PMID: 15868948
  17. IB1/JIP-1 participates to the neuronal phenotype of the human LNCaP cells and is a regulator of JNK signaling pathway PMID: 15894166
  18. JIP1 and JIP3, have a cross-talk that leads to the regulation of the ASK1-SEK1-JNK signal during glucose deprivation; cross-talk between JIP3 and JIP1 is mediated through SEK1-JNK2 and Akt1. PMID: 15911620
  19. Altogether, our data demonstrate that Akt1 participates in a negative regulatory feedback loop by interacting with the JIP1 scaffold protein. PMID: 15998799
  20. the phosphorylation of APP regulates the formation of a pAPP-JIP-1 complex that accumulates in neurites independent of nonphosphorylated APP PMID: 16301330
  21. Binding of JIP1 and FEZ1 to Kinesin-1 is sufficient to activate the motor for microtubule binding and motility. PMID: 17200414
  22. Thyroid cancers are characterized by APP upregulation, increased membrane targeting of the APP ectodomain and significantly increased mRNA levels of the APP scaffold proteins JIP1, ShcA and Fe65. PMID: 18480379
  23. The pathological Tau/JIP1 interaction requires phosphorylation of Tau, and Tau competes with the physiological binding of JIP1 to kinesin light chain. PMID: 19491104
  24. This review discusses the role of the JIP1 and the c-Jun NH(2)-terminal kinase pathway in the molecular pathogenesis of Alzheimer's and type 2 diabetes. JIP1 is a key regulator of the JNK pathway in neuronal and beta-cells. PMID: 19616077

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Involvement in disease
Diabetes mellitus, non-insulin-dependent (NIDDM)
Subcellular Location
Cytoplasm. Cytoplasm, perinuclear region. Nucleus. Endoplasmic reticulum membrane. Mitochondrion membrane.
Protein Families
JIP scaffold family
Tissue Specificity
Highly expressed in brain. Expressed in neurons, localizing to neurite tips in differentiating cells. Also expressed in the pancreas, testis and prostate. Low levels in heart, ovary and small intestine. Decreased levels in pancreatic beta cells sensitize
Database Links

HGNC: 6882

OMIM: 125853

KEGG: hsa:9479

STRING: 9606.ENSP00000241014

UniGene: Hs.234249

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