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RAD52 Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB00840
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Epigenetics and Nuclear Signaling
Reactivity:
Human
Mouse
Detection Method:
Colorimetric
€599
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Description

system_update_altDatasheetMSDS

RAD52 Colorimetric Cell-Based ELISA Kit

The RAD52 Colorimetric Cell-Based ELISA Kit is a highly sensitive and specific assay designed for the detection of RAD52 protein levels in cell lysates and culture supernatants. This kit provides accurate and reproducible results, making it ideal for a variety of research applications.RAD52 plays a critical role in DNA repair and recombination processes, making it an important protein for studying genomic stability and genetic disorders. Dysregulation of RAD52 expression has been linked to various diseases, including cancer and aging-related disorders, making it a valuable biomarker for understanding disease mechanisms and developing targeted therapies.

With its user-friendly protocol and high-performance characteristics, the RAD52 Colorimetric Cell-Based ELISA Kit is a valuable tool for researchers exploring the role of RAD52 in cellular processes and disease pathogenesis.

Product Name:RAD52 Colorimetric Cell-Based ELISA
Product Code:CBCAB00840
ELISA Type:Cell-Based
Target:RAD52
Reactivity:Human, Mouse
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

The RAD52 Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect RAD52 protein expression profile in cells. The kit can be used for measuring the relative amounts of RAD52 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on RAD52.

Qualitative determination of RAD52 concentration is achieved by an indirect ELISA format. In essence, RAD52 is captured by RAD52-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: 5893, UniProt ID: P43351, OMIM: 600392, Unigene: Hs.410355
Gene Symbol:RAD52
Sub Type:None
UniProt Protein Function:RAD52: a protein involved in DNA double strand breaks and recombination. Associates with and is phosphorylated by c-Abl. Belongs to the RAD52/RAD22 family.
UniProt Protein Details:

Protein type:DNA repair, damage

Chromosomal Location of Human Ortholog: 12p13-p12.2

Cellular Component: nucleoplasm; nucleus; protein complex

Molecular Function:DNA binding; identical protein binding; protein binding

Biological Process: DNA recombination; double-strand break repair; protein sumoylation; response to DNA damage stimulus

NCBI Summary:The protein encoded by this gene shares similarity with Saccharomyces cerevisiae Rad52, a protein important for DNA double-strand break repair and homologous recombination. This gene product was shown to bind single-stranded DNA ends, and mediate the DNA-DNA interaction necessary for the annealing of complementary DNA strands. It was also found to interact with DNA recombination protein RAD51, which suggested its role in RAD51 related DNA recombination and repair. A pseudogene of this gene is present on chromosome 2. Alternative splicing results in multiple transcript variants. Additional alternatively spliced transcript variants of this gene have been described, but their full-length nature is not known. [provided by RefSeq, Jul 2014]
UniProt Code:P43351
NCBI GenInfo Identifier:1172823
NCBI Gene ID:5893
NCBI Accession:P43351.1
UniProt Secondary Accession:P43351,Q13205, Q9Y5T7, Q9Y5T8, Q9Y5T9,
UniProt Related Accession:P43351
Molecular Weight:12,943 Da
NCBI Full Name:DNA repair protein RAD52 homolog
NCBI Synonym Full Names:RAD52 homolog, DNA repair protein
NCBI Official Symbol:RAD52  
NCBI Protein Information:DNA repair protein RAD52 homolog
UniProt Protein Name:DNA repair protein RAD52 homolog
Protein Family:RAD52 motif-containing protein
UniProt Gene Name:RAD52  
UniProt Entry Name:RAD52_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-RAD52 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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