Gab2 (Phospho-Ser623) Colorimetric Cell-Based ELISA Kit

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SKU:
CBCAB01680
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
Frequently bought together:

Description

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Gab2 (Phospho-Ser623)Colorimetric Cell-Based ELISA Kit

The GAB2 Phospho-Ser623 Colorimetric Cell-Based ELISA Kit is a powerful tool for the accurate quantification of phosphorylated GAB2 levels in cell lysates and tissue homogenates. With its high sensitivity and specificity, this kit provides reliable and reproducible results, making it ideal for a variety of research applications.Phosphorylated GAB2 at Ser623 is a key signaling molecule that plays a crucial role in mediating cell growth, differentiation, and survival. Dysregulation of GAB2 phosphorylation has been linked to various diseases, including cancer, diabetes, and neurological disorders, making it a valuable biomarker for studying these conditions and developing potential therapeutic interventions.

Overall, the GAB2 Phospho-Ser623 Colorimetric Cell-Based ELISA Kit offers researchers a robust and efficient method for exploring the role of GAB2 phosphorylation in disease pathogenesis and identifying novel therapeutic targets.

Product Name:Gab2 (Phospho-Ser623) Colorimetric Cell-Based ELISA
Product Code:CBCAB01680
ELISA Type:Cell-Based
Target:Gab2 (Phospho-Ser623)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The Gab2 (Phospho-Ser623) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect Gab2 protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated Gab2 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on Gab2 phosphorylation.

Qualitative determination of Gab2 (Phospho-Ser623) concentration is achieved by an indirect ELISA format. In essence, Gab2 (Phospho-Ser623) is captured by Gab2 (Phospho-Ser623)-specific primary (1ø) antibodies while the HRP-conjugated secondary (2ø) antibodies bind the Fc region of the 1ø antibody. Through this binding, the HRP enzyme conjugated to the 2ø 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: 9846, UniProt ID: Q9UQC2, OMIM: 606203, Unigene: Hs.429434
Gene Symbol:GAB2
Sub Type:Phospho
UniProt Protein Function:GAB2: an adaptor protein of the GRB2-associated binding protein family. Plays important roles in regulating the growth, differentiation, and function of many hematopoietic cell types.
UniProt Protein Details:

Protein type:Adaptor/scaffold

Chromosomal Location of Human Ortholog: 11q14.1

Cellular Component: cytoplasm; cytosol; plasma membrane

Molecular Function:phosphatidylinositol-3,4,5-triphosphate binding; phosphatidylinositol-3,4-bisphosphate binding; protein binding; transmembrane receptor protein tyrosine kinase adaptor protein activity

Biological Process: osteoclast differentiation; phosphoinositide-mediated signaling; positive regulation of cell proliferation; positive regulation of mast cell degranulation

NCBI Summary:This gene is a member of the GRB2-associated binding protein (GAB) gene family. These proteins contain pleckstrin homology (PH) domain, and bind SHP2 tyrosine phosphatase and GRB2 adapter protein. They act as adapters for transmitting various signals in response to stimuli through cytokine and growth factor receptors, and T- and B-cell antigen receptors. The protein encoded by this gene is the principal activator of phosphatidylinositol-3 kinase in response to activation of the high affinity IgE receptor. Two alternatively spliced transcripts encoding different isoforms have been described for this gene. [provided by RefSeq, Nov 2009]
UniProt Code:Q9UQC2
NCBI GenInfo Identifier:46396035
NCBI Gene ID:9846
NCBI Accession:Q9UQC2.1
UniProt Secondary Accession:Q9UQC2,O60317, A2RRM2, A6NEW9, A7MD36,
UniProt Related Accession:Q9UQC2
Molecular Weight:69,968 Da
NCBI Full Name:GRB2-associated-binding protein 2
NCBI Synonym Full Names:GRB2 associated binding protein 2
NCBI Official Symbol:GAB2  
NCBI Protein Information:GRB2-associated-binding protein 2
UniProt Protein Name:GRB2-associated-binding protein 2
UniProt Synonym Protein Names:GRB2-associated binder 2; Growth factor receptor bound protein 2-associated protein 2; pp100
Protein Family:GRB2-associated-binding protein
UniProt Gene Name:GAB2  
UniProt Entry Name:GAB2_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-Gab2 (Phospho-Ser623) Antibody, Anti-Gab2 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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