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PPP1R2 Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB00830
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Metabolism
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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PPP1R2 Colorimetric Cell-Based ELISA Kit

The PPP1R2 Colorimetric Cell-Based ELISA Kit from Assay Genie is a powerful tool for the accurate measurement of PPP1R2 levels in cell lysates and tissue homogenates. This kit provides high sensitivity and specificity, ensuring precise and reproducible results for your research needs. PPP1R2, also known as protein phosphatase 1 regulatory subunit 2, plays a crucial role in regulating protein phosphatase activity and cell cycle progression. Aberrant expression of PPP1R2 has been linked to various diseases, including cancer and neurological disorders, making it a valuable biomarker for studying these conditions and exploring potential therapeutic interventions.

With the PPP1R2 Colorimetric Cell-Based ELISA Kit, researchers can easily quantify PPP1R2 levels in a range of biological samples, enabling detailed investigation into the molecular mechanisms underlying disease pathology and the development of targeted therapies. Trust Assay Genie for reliable and accurate results in your research endeavors.

Product Name:PPP1R2 Colorimetric Cell-Based ELISA
Product Code:CBCAB00830
ELISA Type:Cell-Based
Target:PPP1R2
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

The PPP1R2 Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect PPP1R2 protein expression profile in cells. The kit can be used for measuring the relative amounts of PPP1R2 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on PPP1R2.

Qualitative determination of PPP1R2 concentration is achieved by an indirect ELISA format. In essence, PPP1R2 is captured by PPP1R2-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: 5504, UniProt ID: P41236, OMIM: 601792, Unigene: Hs.535731
Gene Symbol:PPP1R2
Sub Type:None
UniProt Protein Function:PPP1R2: a member of the protein phosphatase inhibitor 1 family. A dopamine- and cyclic AMP-regulated neuronal phosphoprotein. Both dopaminergic and glutamatergic (NMDA) receptor stimulation regulate the extent of DARPP32 phosphorylation, but in opposite directions. Dopamine D1 receptor stimulation enhances cAMP formation, resulting in the phosphorylation of DARPP32; phosphorylated DARPP32 is a potent protein phosphatase-1 inhibitor. NMDA receptor stimulation elevates intracellular calcium, which leads to activation of calcineurin and dephosphorylation of phospho-DARPP32, thereby reducing the phosphatase-1 inhibitory activity of DARPP32. Two alternatively-spliced isoforms have been described.
UniProt Protein Details:

Protein type:Motility/polarity/chemotaxis; Protein phosphatase, regulatory subunit; Inhibitor

Chromosomal Location of Human Ortholog: 3q29

Cellular Component: protein phosphatase type 1 complex

Molecular Function:protein binding; type 1 serine/threonine specific protein phosphatase inhibitor activity

Biological Process: generation of precursor metabolites and energy; regulation of phosphoprotein phosphatase activity

NCBI Summary:Protein phosphatase-1 (PP1) is one of the main eukaryotic serine/threonine phosphatases. The protein encoded by this gene binds to the catalytic subunit of PP1, strongly inhibiting its activity. Ten related pseudogenes have been found throughout the human genome. Several splice variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2015]
UniProt Code:P41236
NCBI GenInfo Identifier:729856
NCBI Gene ID:5504
NCBI Accession:P41236.2
UniProt Related Accession:P41236
Molecular Weight:23,015 Da
NCBI Full Name:Protein phosphatase inhibitor 2
NCBI Synonym Full Names:protein phosphatase 1 regulatory inhibitor subunit 2
NCBI Official Symbol:PPP1R2  
NCBI Official Synonym Symbols:IPP2; IPP-2  
NCBI Protein Information:protein phosphatase inhibitor 2
UniProt Protein Name:Protein phosphatase inhibitor 2
Protein Family:Protein phosphatase inhibitor
UniProt Gene Name:PPP1R2  
UniProt Entry Name:IPP2_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-PPP1R2 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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