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p90 RSK (Phospho-Thr359+Ser363) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB00056
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Cell Cycle
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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p90 RSK (Phospho-Thr359+Ser363)Colorimetric Cell-Based ELISA Kit

The P90 RSK Phospho-Thr359/Ser363 Colorimetric Cell-Based ELISA Kit offered by Assay Genie is a reliable and efficient tool for the detection and measurement of phosphorylated P90 RSK levels in cell lysates. This kit provides high sensitivity and specificity, allowing for accurate and reproducible results in various research applications.P90 RSK is a key signaling protein involved in cell growth, proliferation, and survival. Phosphorylation of specific sites on P90 RSK, such as Thr359 and Ser363, plays a critical role in regulating its activity and function. Abnormal phosphorylation of P90 RSK has been linked to various diseases, including cancer, inflammatory disorders, and metabolic diseases, making it an important target for research and drug development.

With the P90 RSK Phospho-Thr359/Ser363 Colorimetric Cell-Based ELISA Kit, researchers can easily quantify levels of phosphorylated P90 RSK in cell samples, providing valuable insights into the molecular mechanisms underlying disease pathology and potential therapeutic targets. Trust Assay Genie for accurate and reliable results in your P90 RSK research endeavors.

Product Name:p90 RSK (Phospho-Thr359+Ser363) Colorimetric Cell-Based ELISA
Product Code:CBCAB00056
ELISA Type:Cell-Based
Target:p90 RSK (Phospho-Thr359+Ser363)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The p90 RSK (Phospho-Thr359+Ser363) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect p90 RSK protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated p90 RSK in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on p90 RSK phosphorylation.

Qualitative determination of p90 RSK (Phospho-Thr359+Ser363) concentration is achieved by an indirect ELISA format. In essence, p90 RSK (Phospho-Thr359+Ser363) is captured by p90 RSK (Phospho-Thr359+Ser363)-specific primary antibodies while the HRP-conjugated secondary antibodies bind the Fc region of the primary antibody. Through this binding, the HRP enzyme conjugated to the secondary antibody can catalyze a colorimetric reaction upon substrate addition. Due to the qualitative nature of the Cell-Based ELISA, multiple normalization methods are needed:

1. A monoclonal antibody specific for human GAPDH is included to serve as an internal positive control in normalizing the target absorbance values.
2. Following the colorimetric measurement of HRP activity via substrate addition, the Crystal Violet whole-cell staining method may be used to determine cell density. After staining, the results can be analysed by normalizing the absorbance values to cell amounts, by which the plating difference can be adjusted.
Database Information:Gene ID: 6195, UniProt ID: Q15418, OMIM: 601684, Unigene: Hs.149957
Gene Symbol:RPS6KA1
Sub Type:Phospho
UniProt Protein Function:p90RSK: an AGC kinase of the RSK family. Phosphorylated and activated by Erk1 and -2 in response to many growth factors, polypeptide hormones and neurotransmitters. Several phosphorylation sites are important for its activation. Possesses two kinase domains connected by a regulator linker region. Phosphorylates a wide range of substrates including ribosomal protein S6. Prominently expressed in brain structures essential for cognitive function and learning.
UniProt Protein Details:

Protein type:EC 2.7.11.1; Protein kinase, AGC; Kinase, protein; Translation; Protein kinase, Ser/Thr (non-receptor); AGC group; RSK family; RSK subfamily

Chromosomal Location of Human Ortholog: 1p

Cellular Component: nucleoplasm; cytoplasm; spindle; cytosol; nucleus

Molecular Function:protein serine/threonine kinase activity; protein binding; caspase inhibitor activity; protein serine/threonine/tyrosine kinase activity; magnesium ion binding; ATP binding

Biological Process: regulation of transcription in response to stress; axon guidance; nerve growth factor receptor signaling pathway; MyD88-independent toll-like receptor signaling pathway; stress-activated MAPK cascade; regulation of translation in response to stress; toll-like receptor 3 signaling pathway; negative regulation of caspase activity; cell cycle; signal transduction; protein amino acid phosphorylation; positive regulation of cell growth; toll-like receptor 10 signaling pathway; toll-like receptor 2 signaling pathway; toll-like receptor 5 signaling pathway; MyD88-dependent toll-like receptor signaling pathway; synaptic transmission; toll-like receptor signaling pathway; innate immune response; positive regulation of transcription from RNA polymerase II promoter; toll-like receptor 9 signaling pathway; positive regulation of cell differentiation; toll-like receptor 4 signaling pathway; negative regulation of apoptosis

NCBI Summary:This gene encodes a member of the RSK (ribosomal S6 kinase) family of serine/threonine kinases. This kinase contains 2 nonidentical kinase catalytic domains and phosphorylates various substrates, including members of the mitogen-activated kinase (MAPK) signalling pathway. The activity of this protein has been implicated in controlling cell growth and differentiation. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. [provided by RefSeq, Jul 2008]
UniProt Code:Q15418
NCBI GenInfo Identifier:20178306
NCBI Gene ID:6195
NCBI Accession:Q15418.2
UniProt Secondary Accession:Q15418,Q5SVM5, Q5SVM8, Q5SVM9, Q96C05, Q9BQK2, A6NGG4 A8K9K7, B2RDY8, B7Z5J0,
UniProt Related Accession:Q15418
Molecular Weight:72,698 Da
NCBI Full Name:Ribosomal protein S6 kinase alpha-1
NCBI Synonym Full Names:ribosomal protein S6 kinase, 90kDa, polypeptide 1
NCBI Official Symbol:RPS6KA1  
NCBI Official Synonym Symbols:RSK; HU-1; RSK1; p90Rsk; MAPKAPK1A  
NCBI Protein Information:ribosomal protein S6 kinase alpha-1; 90 kDa ribosomal protein S6 kinase 1; MAP kinase-activated protein kinase 1a; MAPK-activated protein kinase 1a; MAPKAP kinase 1a; MAPKAPK-1a; RSK-1; S6K-alpha 1; S6K-alpha-1; dJ590P13.1 (ribosomal protein S6 kinase, 90kD, polypeptide 1); p90-RSK 1; p90RSK1; p90S6K; ribosomal S6 kinase 1; ribosomal protein S6 kinase alpha 1
UniProt Protein Name:Ribosomal protein S6 kinase alpha-1
UniProt Synonym Protein Names:90 kDa ribosomal protein S6 kinase 1; p90-RSK 1; p90RSK1; p90S6K; MAP kinase-activated protein kinase 1a; MAPK-activated protein kinase 1a; MAPKAP kinase 1a; MAPKAPK-1a; Ribosomal S6 kinase 1; RSK-1
Protein Family:Ribosomal protein S6 kinase
UniProt Gene Name:RPS6KA1  
UniProt Entry Name:KS6A1_HUMAN
ComponentQuantity
96-Well Cell Culture Clear-Bottom Microplate2 plates
10X TBS24 mL
Quenching Buffer24 mL
Blocking Buffer50 mL
15X Wash Buffer50 mL
Primary Antibody Diluent12 mL
100x Anti-Phospho Target Antibody 60 µL
100x Anti-Target Antibody60 µL
Anti-GAPDH Antibody60 µL
HRP-Conjugated Anti-Rabbit IgG Antibody12 mL
HRP-Conjugated Anti-Mouse IgG Antibody12 mL
SDS Solution12 mL
Stop Solution24 mL
Ready-to-Use Substrate12 mL
Crystal Violet Solution12 mL
Adhesive Plate Seals2 seals

The following materials and/or equipment are NOT provided in this kit but are necessary to successfully conduct the experiment:

  • Microplate reader able to measure absorbance at 450 nm and/or 595 nm for Crystal Violet Cell Staining (Optional)
  • Micropipettes with capability of measuring volumes ranging from 1 µL to 1 ml
  • 37% formaldehyde (Sigma Cat# F-8775) or formaldehyde from other sources
  • Squirt bottle, manifold dispenser, multichannel pipette reservoir or automated microplate washer
  • Graph paper or computer software capable of generating or displaying logarithmic functions
  • Absorbent papers or vacuum aspirator
  • Test tubes or microfuge tubes capable of storing ≥1 ml
  • Poly-L-Lysine (Sigma Cat# P4832 for suspension cells)
  • Orbital shaker (optional)
  • Deionized or sterile water

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

StepProcedure
1.Seed 200 µL of 20,000 adherent cells in culture medium in each well of a 96-well plate. The plates included in the kit are sterile and treated for cell culture. For suspension cells and loosely attached cells, coat the plates with 100 µL of 10 µg/ml Poly-L-Lysine (not included) to each well of a 96-well plate for 30 minutes at 37°C prior to adding cells.
2.Incubate the cells for overnight at 37°C, 5% CO2.
3.Treat the cells as desired.
4.Remove the cell culture medium and rinse with 200 µL of 1x TBS, twice.
5.Fix the cells by incubating with 100 µL of Fixing Solution for 20 minutes at room temperature. The 4% formaldehyde is used for adherent cells and 8% formaldehyde is used for suspension cells and loosely attached cells.
6.Remove the Fixing Solution and wash the plate 3 times with 200 µL 1x Wash Buffer for five minutes each time with gentle shaking on the orbital shaker. The plate can be stored at 4°C for a week.
7.Add 100 µL of Quenching Buffer and incubate for 20 minutes at room temperature.
8.Wash the plate 3 times with 1x Wash Buffer for 5 minutes each time.
9.Add 200 µL of Blocking Buffer and incubate for 1 hour at room temperature.
10. Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
11.Add 50 µL of 1x primary antibodies Anti-p90 RSK (Phospho-Thr359+Ser363) Antibody, Anti-p90 RSK Antibody and/or Anti-GAPDH Antibody) to the corresponding wells, cover with Parafilm and incubate for 16 hours (overnight) at 4°C. If the target expression is known to be high, incubate for 2 hours at room temperature.
12.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
13.Add 50 µL of 1x secondary antibodies (HRP-Conjugated AntiRabbit IgG Antibody or HRP-Conjugated Anti-Mouse IgG Antibody) to corresponding wells and incubate for 1.5 hours at room temperature.
14.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
15.Add 50 µL of Ready-to-Use Substrate to each well and incubate for 30 minutes at room temperature in the dark.
16.Add 50 µL of Stop Solution to each well and read OD at 450 nm immediately using the microplate reader.

(Additional Crystal Violet staining may be performed if desired – details of this may be found in the kit technical manual.)

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