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MAPK11 Antibody (Center)

Purified Rabbit Polyclonal Antibody (Pab)

     
  • WB - MAPK11 Antibody (Center) AP7223C
    Western blot analysis of anti-MAPK11 Pab (Cat. #AP7223c) in mouse brain tissue lysate. MAPK11 (arrow) was detected using purified Pab. Secondary HRP-anti-rabbit was used for signal visualization with chemiluminescence.
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  • IHC-P - MAPK11 Antibody (Center) AP7223C
    Formalin-fixed and paraffin-embedded human cancer tissue reacted with the primary antibody, which was peroxidase-conjugated to the secondary antibody, followed by AEC staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated. BC = breast carcinoma; HC = hepatocarcinoma.
    detail
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
IHC-P, WB, E
Primary Accession Q15759
Reactivity Human, Mouse
Host Rabbit
Clonality Polyclonal
Isotype Rabbit IgG
Calculated MW 41357 Da
Antigen Region 334-366 aa
Additional Information
Gene ID 5600
Other Names Mitogen-activated protein kinase 11, MAP kinase 11, MAPK 11, Mitogen-activated protein kinase p38 beta, MAP kinase p38 beta, p38b, Stress-activated protein kinase 2b, SAPK2b, p38-2, MAPK11, PRKM11, SAPK2, SAPK2B
Target/Specificity This MAPK11 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 334-366 amino acids from the center region of human MAPK11.
Dilution WB~~1:1000
IHC-P~~1:50~100
Format Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is prepared by Saturated Ammonium Sulfate (SAS) precipitation followed by dialysis against PBS.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsMAPK11 Antibody (Center) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name MAPK11
Synonyms PRKM11, SAPK2, SAPK2B
Function Serine/threonine kinase which acts as an essential component of the MAP kinase signal transduction pathway (PubMed:12452429, PubMed:20626350, PubMed:35857590). MAPK11 is one of the four p38 MAPKs which play an important role in the cascades of cellular responses evoked by extracellular stimuli such as pro-inflammatory cytokines or physical stress leading to direct activation of transcription factors (PubMed:12452429, PubMed:20626350, PubMed:35857590). Accordingly, p38 MAPKs phosphorylate a broad range of proteins and it has been estimated that they may have approximately 200 to 300 substrates each (PubMed:12452429, PubMed:20626350, PubMed:35857590). MAPK11 functions are mostly redundant with those of MAPK14 (PubMed:12452429, PubMed:20626350, PubMed:35857590). Some of the targets are downstream kinases which are activated through phosphorylation and further phosphorylate additional targets (PubMed:12452429, PubMed:20626350). RPS6KA5/MSK1 and RPS6KA4/MSK2 can directly phosphorylate and activate transcription factors such as CREB1, ATF1, the NF-kappa-B isoform RELA/NFKB3, STAT1 and STAT3, but can also phosphorylate histone H3 and the nucleosomal protein HMGN1 (PubMed:9687510). RPS6KA5/MSK1 and RPS6KA4/MSK2 play important roles in the rapid induction of immediate- early genes in response to stress or mitogenic stimuli, either by inducing chromatin remodeling or by recruiting the transcription machinery. On the other hand, two other kinase targets, MAPKAPK2/MK2 and MAPKAPK3/MK3, participate in the control of gene expression mostly at the post-transcriptional level, by phosphorylating ZFP36 (tristetraprolin) and ELAVL1, and by regulating EEF2K, which is important for the elongation of mRNA during translation. MKNK1/MNK1 and MKNK2/MNK2, two other kinases activated by p38 MAPKs, regulate protein synthesis by phosphorylating the initiation factor EIF4E2 (PubMed:11154262). In the cytoplasm, the p38 MAPK pathway is an important regulator of protein turnover. For example, CFLAR is an inhibitor of TNF-induced apoptosis whose proteasome-mediated degradation is regulated by p38 MAPK phosphorylation. Ectodomain shedding of transmembrane proteins is regulated by p38 MAPKs as well. In response to inflammatory stimuli, p38 MAPKs phosphorylate the membrane-associated metalloprotease ADAM17. Such phosphorylation is required for ADAM17-mediated ectodomain shedding of TGF-alpha family ligands, which results in the activation of EGFR signaling and cell proliferation. Additional examples of p38 MAPK substrates are the FGFR1. FGFR1 can be translocated from the extracellular space into the cytosol and nucleus of target cells, and regulates processes such as rRNA synthesis and cell growth. FGFR1 translocation requires p38 MAPK activation. In the nucleus, many transcription factors are phosphorylated and activated by p38 MAPKs in response to different stimuli. Classical examples include ATF1, ATF2, ATF6, ELK1, PTPRH, DDIT3, TP53/p53 and MEF2C and MEF2A (PubMed:9430721, PubMed:10330143, PubMed:15356147). The p38 MAPKs are emerging as important modulators of gene expression by regulating chromatin modifiers and remodelers (PubMed:9430721, PubMed:10330143, PubMed:15356147). The promoters of several genes involved in the inflammatory response, such as IL6, IL8 and IL12B, display a p38 MAPK-dependent enrichment of histone H3 phosphorylation on 'Ser-10' (H3S10ph) in LPS-stimulated myeloid cells. This phosphorylation enhances the accessibility of the cryptic NF- kappa-B-binding sites marking promoters for increased NF-kappa-B recruitment. Phosphorylates NLRP1 downstream of MAP3K20/ZAK in response to UV-B irradiation and ribosome collisions, promoting activation of the NLRP1 inflammasome and pyroptosis (PubMed:35857590).
Cellular Location Cytoplasm. Nucleus.
Tissue Location Highest levels in the brain and heart. Also expressed in the placenta, lung, liver, skeletal muscle, kidney and pancreas
Research Areas
Citations ( 0 )

Background

MAPK11 is a Ser/Thr kinase involved in a signal transduction pathway that is activated by changes in the osmolarity of the extracellular environment, by cytokines, or by environmental stress. It preferentially phosphorylates transcription factor ATF2. This protein is activated by phosphorylation on threonine and tyrosine by MKK6, and is inhibited by pyridinyl-imidazole related compounds. Highest expression levels are in the brain and heart, with additional expression in the placenta, lung, liver, skeletal muscle, kidney and pancreas.

References

Strausberg, R.L., et al., Proc. Natl. Acad. Sci. U.S.A. 99(26):16899-16903 (2002).
Dunham, I., et al., Nature 402(6761):489-495 (1999).
Enslen, H., et al., J. Biol. Chem. 273(3):1741-1748 (1998).
Kumar, S., et al., Biochem. Biophys. Res. Commun. 235(3):533-538 (1997).
Stein, B., et al., J. Biol. Chem. 272(31):19509-19517 (1997).

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$ 365.00
$ 140.00
Cat# AP7223C
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