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ELL Colorimetric Cell-Based ELISA

SKU:
CBCAB01043
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

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ELL Colorimetric Cell-Based ELISA

The Cell-Based ELISA Kit offered by Assay Genie is a powerful tool for researchers studying angiogenin levels in human serum, plasma, and cell culture supernatants. With high sensitivity and specificity, this kit provides accurate and reliable results for a variety of research applications.Angiogenin is a key player in angiogenesis, influencing blood vessel formation and cell proliferation. Its involvement in cancer, cardiovascular diseases, and neurodegenerative disorders makes it a valuable biomarker for understanding these conditions and exploring potential treatment options.

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Product Name:ELL Colorimetric Cell-Based ELISA
Product Code:CBCAB01043
ELISA Type:Cell-Based
Target:ELL
Reactivity:Human, Mouse
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

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

Qualitative determination of ELL concentration is achieved by an indirect ELISA format. In essence, ELL is captured by ELL-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: 8178, UniProt ID: P55199, OMIM: 600284, Unigene: Hs.515260
Gene Symbol:ELL
Sub Type:None
UniProt Protein Function:ELL: Elongation factor that can increase the catalytic rate of RNA polymerase II transcription by suppressing transient pausing by the polymerase at multiple sites along the DNA. A chromosomal aberration involving ELL is found in acute leukemias. Translocation t(11;19)(q23;p13.1) with MLL/HRX. The result is a rogue activator protein. Belongs to the ELL/occludin family.
UniProt Protein Details:

Protein type:Nuclear receptor co-regulator; Transcription initiation complex; Oncoprotein

Chromosomal Location of Human Ortholog: 19p13.1

Cellular Component: nucleoplasm; Cajal body; transcription elongation factor complex; nuclear speck

Molecular Function:protein binding; phosphatase binding

Biological Process: transcription from RNA polymerase II promoter; viral reproduction; in utero embryonic development; positive regulation of RNA elongation from RNA polymerase II promoter; positive regulation of viral transcription; positive regulation of RNA elongation; RNA elongation from RNA polymerase II promoter; positive regulation of transcription from RNA polymerase III promoter; snRNA transcription from RNA polymerase II promoter; gene expression; snRNA transcription from RNA polymerase III promoter

UniProt Code:P55199
NCBI GenInfo Identifier:1706635
NCBI Gene ID:8178
NCBI Accession:P55199.1
UniProt Related Accession:P55199
Molecular Weight:621
NCBI Full Name:RNA polymerase II elongation factor ELL
NCBI Synonym Full Names:elongation factor RNA polymerase II
NCBI Official Symbol:ELL  
NCBI Official Synonym Symbols:MEN; ELL1; PPP1R68; C19orf17  
NCBI Protein Information:RNA polymerase II elongation factor ELL; ELL gene (11-19 lysine-rich leukemia gene); eleven-nineteen lysine-rich leukemia protein; protein phosphatase 1, regulatory subunit 68
UniProt Protein Name:RNA polymerase II elongation factor ELL
UniProt Synonym Protein Names:Eleven-nineteen lysine-rich leukemia protein
Protein Family:ELL-associated factor
UniProt Gene Name:ELL  
UniProt Entry Name:ELL_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-ELL 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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