Phospho-RPS6KA5 (S376) Antibody

Code CSB-RA020468A376phHU
Size US$350Purchase it in Cusabio online store
(only available for customers from the US)
  • IHC image of CSB-RA020468A376phHU diluted at 1:100 and staining in paraffin-embedded human bladder cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system.

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Product Details

Uniprot No. O75582
Target Names RPS6KA5
Alternative Names 90 kDa ribosomal protein S6 kinase 5 antibody; EC antibody; KS6A5_HUMAN antibody; MGC1911 antibody; Mitogen and stress activated protein kinase 1 antibody; MSPK1 antibody; Nuclear Mitogen And Stress Activated Protein Kinase 1 antibody; Nuclear mitogen- and stress-activated protein kinase 1 antibody; Ribosomal protein S6 kinase 90kD polypeptide 5 antibody; Ribosomal protein S6 kinase 90kDa antibody; Ribosomal protein S6 kinase 90kDa polypeptide 5 antibody; Ribosomal Protein S6 Kinase Alpha 5 antibody; Ribosomal protein S6 kinase alpha-5 antibody; RLPK antibody; RPS6KA5 antibody; RSK Like Protein Kinase antibody; RSK-like protein kinase antibody; RSKL antibody; S6K alpha 5 antibody; S6K-alpha-5 antibody
Species Reactivity Human
Immunogen A synthesized peptide derived from Human Phospho-RPS6KA5 (S376)
Immunogen Species Homo sapiens (Human)
Conjugate Non-conjugated
Clonality Monoclonal
Isotype Rabbit IgG
Clone No. 2F3
Purification Method Affinity-chromatography
Concentration It differs from different batches. Please contact us to confirm it.
Buffer Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Form Liquid
Tested Applications ELISA, IHC
Recommended Dilution
Application Recommended Dilution
IHC 1:50-1:200
Protocols ELISA Protocol
Immunohistochemistry (IHC) Protocol
Troubleshooting and FAQs Antibody FAQs
Storage 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 Data

Function Serine/threonine-protein kinase that is required for the mitogen or stress-induced phosphorylation of the transcription factors CREB1 and ATF1 and for the regulation of the transcription factors RELA, STAT3 and ETV1/ER81, and that contributes to gene activation by histone phosphorylation and functions in the regulation of inflammatory genes
Gene References into Functions
  1. MSK1 was overexpressed in 148 out of 329 colorectal cancer (CRC) patients. CRC patients with high MSK1 expression had shorter overall survival than those with low MSK1, especially among patients with stage III tumors. Overexpression of MSK1 is associated with poor prognosis in CRC and is connected to tumor aggressiveness. PMID: 28314603
  2. High MSK1 is associated with improved breast cancer-specific survival in early stage invasive breast cancer patients, and has additional prognostic value in HER2-negative and non-basal like disease. PMID: 29327245
  3. Our findings indicate that MSK1/beta-catenin signaling serves as an escape survival signal upon PI3K inhibition and provides a strong rationale for the combined use of PI3K and MSK1/beta-catenin inhibition to induce lethal growth inhibition in human GBM cells. PMID: 27196759
  4. Results show that MSK1 phosphorylates H3S10 through p38-MAPK pathway in gastric cancer patients. PMID: 27588146
  5. Interrupting MSK1 activation is a new target for antioxidants. PMID: 26030901
  6. Increased MSK1 activity is critically important for Epstein-Barr virus LMP1-promoted cell proliferation and transformation. PMID: 25958199
  7. Authors conclude that paramyxoviruses trigger the DNA damage response, a pathway required for MSK1 activation of phospho Ser 276 RelA formation to trigger the IRF7-RIG-I amplification loop necessary for mucosal interferon production. PMID: 25520509
  8. These results highlight the relevance of MSK1 in the up-regulation of RARbeta by prostaglandin E2. PMID: 24953041
  9. MSK1 plays an important role for hormone-dependent breast cancer growth PMID: 23604116
  10. Angiopoietin 2-mediated signaling via survivin/ref-1/MSK-1 pathway promotes doxorubicin resistance in HepG2 cells. PMID: 23643942
  11. Astaxanthin attenuates the UVB-induced secretion of prostaglandin E2 and interleukin-8 in human keratinocytes by interrupting MSK1 phosphorylation in a ROS depletion-independent manner PMID: 22626465
  12. MSK1 is an important downstream kinase involved in CS-induced NF-kappaB activation PMID: 22312446
  13. MSK1 is a direct and potent transcriptional activator when targeted to c-fos promotor, and when targeted to alpha-globin promoter induces H3 S28 phosphorylation reactivating expression of this polycomb-silenced gene. PMID: 21282660
  14. In this study, by applying a novel method, we have identified the phosphorylation sites in human MSK1 mitogen- and stress-activated protein kinase 1, and show that MRK-beta could also activate MSK1 through direct interaction. PMID: 20408143
  15. MiR-148a attenuates paclitaxel resistance of hormone-refractory, drug-resistant prostate cancer PC3 cells by regulating MSK1 expression PMID: 20406806
  16. Bile acid regulates MUC2 transcription in colon cancer cells via positive EGFR/PKC/Ras/ERK/CREB, PI3K/Akt/IkappaB/NF-kappaB and p38/MSK1/CREB pathways and negative JNK/c-Jun/AP-1 pathway. PMID: 20198339
  17. The MSK1 can be phosphorylated and activated in cells by both ERK1/2 and p38alpha. PMID: 20044958
  18. Data provide evidence that p38 Map kinase pathway is activated leading to increased upregulation of mixed lineage kinase 3, MKK3/6, MSK1, and Mapkapk2, upon treatment of BCR/ABL expressing cells with dasatinib. PMID: 19672773
  19. IL1beta and TNFalpha activation of MSK1 and CREB and cAMP-response element signaling cascades occurs via ERK/p38 MAP kinases and are crucial aspects of the intracellular mechanisms that mediate MUC5AC gene expression PMID: 12690113
  20. acetylation of histones may stimulate transcription by suppressing an inhibitory phosphorylation by MSK1 PMID: 15010469
  21. MSK1 has a role in transforming growth factor-beta-mediated responses through p38alpha and Smad signaling pathways PMID: 15133024
  22. essential role of the C-terminal domain of MSK1 for its constitutive interaction with group V secretory phospholipase A(2), which appears essential to support VEGF-mediated PAF synthesis PMID: 16479592
  23. Plays a positive role in the control of cell proliferation of both HaCaT keratinocytes and the A431 human epidermoid carcinoma line. PMID: 16532028
  24. As MSK1 regulates the production of pro-inflammatory cytokines, it may play a role in the pathogenesis of psoriasis. PMID: 16543895
  25. MSK1 has a role downstream of p38 in the regulation of As2O3 responses PMID: 16762916
  26. Thr700 phosphorylation relieves the inhibition of MSK1 by a C-terminal autoinhibitory helix and helps induce a conformational shift that protects Thr581 from dephosphorylation PMID: 17117922
  27. the induction of inflammatory genes by farnesol is mediated by the activation of the NF-kappaB pathway and involves MEK1/2-ERK1/2-MSK1-dependent phosphorylation of p65/RelA(Ser(276)) PMID: 18424438
  28. This study provides therefore a direct link between MSK1-mediated phosphorylation of Ser276 p65 of NF-kappaB, allowing its binding to the SCF intronic enhancer, and pathophysiological SCF expression in inflammation. PMID: 19197368
  29. IL-17F may be involved in airway inflammation and remodeling via the induction of IL-11, and RafI-MEK1/2-ERK1/2-MSK1-CREB is identified as a novel signaling pathway. PMID: 19251839
  30. Data reveal that TPA activates transcription of TBX2 through activating MSK1, which leads to an increase in phosphorylated histone H3 and the recruitment of Sp1 to the TBX2 gene. PMID: 19633291
  31. We conclude that RSV induces RelA activation in the innate inflammatory response via a pathway separate from that controlling RelA cytoplasmic release, mediated by ROS signaling to cytoplasmic MSK1 activation and RelA Ser-276 phosphorylation. PMID: 19706715

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Subcellular Location Nucleus, Cytoplasm
Protein Families Protein kinase superfamily, AGC Ser/Thr protein kinase family, S6 kinase subfamily
Tissue Specificity Widely expressed with high levels in heart, brain and placenta. Less abundant in lung, kidney and liver.
Database Links

HGNC: 10434

OMIM: 603607

KEGG: hsa:9252

STRING: 9606.ENSP00000261991

UniGene: Hs.510225


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