Product Details

Uniprot No.

Target Names

RPS6KA5

Alternative Names

90 kDa ribosomal protein S6 kinase 5 antibody; EC 2.7.11.1 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.

Description

To create the phospho-RPS6KA5 (S376) recombinant monoclonal antibody, the process initiates with the isolation of genes responsible for coding this antibody from rabbits that have been previously exposed to a synthesized peptide originating from the human RPS6KA5 protein phosphorylated at S376. These antibody genes are then meticulously integrated into specialized expression vectors. Following this genetic modification, the vectors are thoughtfully introduced into host suspension cells, which are diligently cultivated to encourage the production and secretion of antibodies. After this cultivation phase, the phospho-RPS6KA5 (S376) recombinant monoclonal antibody undergoes a thorough purification process using affinity chromatography techniques, effectively separating the antibody from the surrounding cell culture supernatant. Finally, the functionality of the antibody is rigorously assessed through ELISA and IHC, conclusively confirming its capability to interact effectively with the human RPS6KA5 protein phosphorylated at S376.

Phosphorylation of RPS6KA5 at S376 is a crucial regulatory mechanism that allows cells to respond to extracellular signals and stressors, modulating gene expression and influencing various cellular processes. Dysregulation of this phosphorylation event can have significant implications in diseases and conditions related to cell growth, stress responses, and gene expression.

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Target Background

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. Phosphorylates CREB1 and ATF1 in response to mitogenic or stress stimuli such as UV-C irradiation, epidermal growth factor (EGF) and anisomycin. Plays an essential role in the control of RELA transcriptional activity in response to TNF and upon glucocorticoid, associates in the cytoplasm with the glucocorticoid receptor NR3C1 and contributes to RELA inhibition and repression of inflammatory gene expression. In skeletal myoblasts is required for phosphorylation of RELA at 'Ser-276' during oxidative stress. In erythropoietin-stimulated cells, is necessary for the 'Ser-727' phosphorylation of STAT3 and regulation of its transcriptional potential. Phosphorylates ETV1/ER81 at 'Ser-191' and 'Ser-216', and thereby regulates its ability to stimulate transcription, which may be important during development and breast tumor formation. Directly represses transcription via phosphorylation of 'Ser-1' of histone H2A. Phosphorylates 'Ser-10' of histone H3 in response to mitogenics, stress stimuli and EGF, which results in the transcriptional activation of several immediate early genes, including proto-oncogenes c-fos/FOS and c-jun/JUN. May also phosphorylate 'Ser-28' of histone H3. Mediates the mitogen- and stress-induced phosphorylation of high mobility group protein 1 (HMGN1/HMG14). In lipopolysaccharide-stimulated primary macrophages, acts downstream of the Toll-like receptor TLR4 to limit the production of pro-inflammatory cytokines. Functions probably by inducing transcription of the MAP kinase phosphatase DUSP1 and the anti-inflammatory cytokine interleukin 10 (IL10), via CREB1 and ATF1 transcription factors. Plays a role in neuronal cell death by mediating the downstream effects of excitotoxic injury. Phosphorylates TRIM7 at 'Ser-107' in response to growth factor signaling via the MEK/ERK pathway, thereby stimulating its ubiquitin ligase activity.

Gene References into Functions

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
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
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
Results show that MSK1 phosphorylates H3S10 through p38-MAPK pathway in gastric cancer patients. PMID: 27588146
Interrupting MSK1 activation is a new target for antioxidants. PMID: 26030901
Increased MSK1 activity is critically important for Epstein-Barr virus LMP1-promoted cell proliferation and transformation. PMID: 25958199
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
These results highlight the relevance of MSK1 in the up-regulation of RARbeta by prostaglandin E2. PMID: 24953041
MSK1 plays an important role for hormone-dependent breast cancer growth PMID: 23604116
Angiopoietin 2-mediated signaling via survivin/ref-1/MSK-1 pathway promotes doxorubicin resistance in HepG2 cells. PMID: 23643942
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
MSK1 is an important downstream kinase involved in CS-induced NF-kappaB activation PMID: 22312446
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
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
MiR-148a attenuates paclitaxel resistance of hormone-refractory, drug-resistant prostate cancer PC3 cells by regulating MSK1 expression PMID: 20406806
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
The MSK1 can be phosphorylated and activated in cells by both ERK1/2 and p38alpha. PMID: 20044958
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
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
acetylation of histones may stimulate transcription by suppressing an inhibitory phosphorylation by MSK1 PMID: 15010469
MSK1 has a role in transforming growth factor-beta-mediated responses through p38alpha and Smad signaling pathways PMID: 15133024
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
Plays a positive role in the control of cell proliferation of both HaCaT keratinocytes and the A431 human epidermoid carcinoma line. PMID: 16532028
As MSK1 regulates the production of pro-inflammatory cytokines, it may play a role in the pathogenesis of psoriasis. PMID: 16543895
MSK1 has a role downstream of p38 in the regulation of As2O3 responses PMID: 16762916
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
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
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
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
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
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. Note=Predominantly nuclear. Exported into cytoplasm in response to glucocorticoid.

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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