AFX Colorimetric Cell-Based ELISA

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SKU:
CBCAB01204
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Cell Cycle
Reactivity:
Human
Mouse
Detection Method:
Colorimetric
Frequently bought together:

Description

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AFX Colorimetric Cell-Based ELISA

The AFX Colorimetric Cell-Based ELISA Kit is a cutting-edge tool for researchers looking to study cell signaling pathways and drug responses in a cell-based system. This kit allows for the quantitative measurement of proteins directly in cultured cells, offering high sensitivity and specificity for reliable and reproducible results.With the AFX Colorimetric Cell-Based ELISA Kit, researchers can easily assess cell viability, proliferation, and protein expression levels in a simple and cost-effective manner.

This kit is compatible with a wide range of cell types and can be used in various applications, including drug screening, pathway analysis, and toxicity studies.Whether you are studying cancer, neurodegenerative disorders, or other cellular processes, the AFX Colorimetric Cell-Based ELISA Kit provides a powerful tool to help advance your research and unlock new insights into cellular biology and disease mechanisms.

Product Name:AFX Colorimetric Cell-Based ELISA
Product Code:CBCAB01204
ELISA Type:Cell-Based
Target:AFX
Reactivity:Human, Mouse
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

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

Qualitative determination of AFX concentration is achieved by an indirect ELISA format. In essence, AFX is captured by AFX-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: 4303, UniProt ID: P98177, OMIM: 300033, Unigene: Hs.584654
Gene Symbol:FOXO4
Sub Type:None
UniProt Protein Function:FOXO4: transcription factor AFX1 containing 1 fork-head domain. May play a role in the insulin signaling pathway. Involved in acute leukemias by a chromosomal translocation t(X;11)(q13;q23) that involves MLLT7 and MLL/HRX. The result is a rogue activator protein. Two splice-variant isoforms have been described.
UniProt Protein Details:

Protein type:Oncoprotein; Transcription factor; DNA-binding

Chromosomal Location of Human Ortholog: Xq13.1

Cellular Component: cytoplasm; cytosol; nucleoplasm; nucleus

Molecular Function:beta-catenin binding; DNA binding; enzyme binding; identical protein binding; protein binding; sequence-specific DNA binding; transcription factor activity; transcription factor binding

Biological Process: cell cycle arrest; insulin receptor signaling pathway; negative regulation of angiogenesis; negative regulation of cell proliferation; negative regulation of smooth muscle cell differentiation; positive regulation of transcription from RNA polymerase II promoter; regulation of transcription, DNA-dependent; stem cell differentiation; transcription from RNA polymerase II promoter

NCBI Summary:This gene encodes a member of the O class of winged helix/forkhead transcription factor family. Proteins encoded by this class are regulated by factors involved in growth and differentiation indicating they play a role in these processes. A translocation involving this gene on chromosome X and the homolog of the Drosophila trithorax gene, encoding a DNA binding protein, located on chromosome 11 is associated with leukemia. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2010]
UniProt Code:P98177
NCBI GenInfo Identifier:110825720
NCBI Gene ID:4303
NCBI Accession:P98177.5
UniProt Secondary Accession:P98177,O43821, Q13720, Q3KPF1, Q8TDK9, B7WPJ7,
UniProt Related Accession:P98177
Molecular Weight:47,941 Da
NCBI Full Name:Forkhead box protein O4
NCBI Synonym Full Names:forkhead box O4
NCBI Official Symbol:FOXO4  
NCBI Official Synonym Symbols:AFX; AFX1; MLLT7  
NCBI Protein Information:forkhead box protein O4
UniProt Protein Name:Forkhead box protein O4
UniProt Synonym Protein Names:Fork head domain transcription factor AFX1
Protein Family:Forkhead box protein
UniProt Gene Name:FOXO4  
UniProt Entry Name:FOXO4_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-AFX 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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