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Cytochrome P450 27A1 Colorimetric Cell-Based ELISA

SKU:
CBCAB01189
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Metabolism
Reactivity:
Human
Detection Method:
Colorimetric
€599
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Description

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Cytochrome P450 27A1 Colorimetric Cell-Based ELISA

The Cytochrome P450 27A1 Colorimetric Cell-Based ELISA Kit is specifically designed for the accurate and sensitive detection of Cytochrome P450 27A1 levels in cell lysates and tissue homogenates. This kit offers high specificity and reproducibility, ensuring reliable results for your research needs.Cytochrome P450 27A1 is an essential enzyme involved in the metabolism of cholesterol and vitamin D, playing a crucial role in various physiological processes. Dysregulation of Cytochrome P450 27A1 has been linked to various diseases, including cardiovascular disorders and metabolic syndromes, making it a valuable target for studying disease mechanisms and developing potential therapeutic interventions.

With this kit, researchers can confidently measure Cytochrome P450 27A1 levels in biological samples, providing valuable insights into its role in health and disease. Its user-friendly format and comprehensive instructions make it suitable for a wide range of applications in cell biology, pharmacology, and disease research.

Product Name:Cytochrome P450 27A1 Colorimetric Cell-Based ELISA
Product Code:CBCAB01189
ELISA Type:Cell-Based
Target:Cytochrome P450 27A1
Reactivity:Human
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

The Cytochrome P450 27A1 Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect Cytochrome P450 27A1 protein expression profile in cells. The kit can be used for measuring the relative amounts of Cytochrome P450 27A1 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on Cytochrome P450 27A1.

Qualitative determination of Cytochrome P450 27A1 concentration is achieved by an indirect ELISA format. In essence, Cytochrome P450 27A1 is captured by Cytochrome P450 27A1-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: 1593, UniProt ID: Q02318, OMIM: 606530, Unigene: Hs.516700
Gene Symbol:CYP27A1
Sub Type:None
UniProt Protein Function:CYP27A1: Catalyzes the first step in the oxidation of the side chain of sterol intermediates; the 27-hydroxylation of 5-beta- cholestane-3-alpha,7-alpha,12-alpha-triol. Has also a vitamin D3- 25-hydroxylase activity. Defects in CYP27A1 are the cause of cerebrotendinous xanthomatosis (CTX). CTX is a rare sterol storage disorder characterized clinically by progressive neurologic dysfunction, premature atherosclerosis, and cataracts. Belongs to the cytochrome P450 family.
UniProt Protein Details:

Protein type:Oxidoreductase; Lipid Metabolism - primary bile acid biosynthesis; EC 1.14.13.15; Mitochondrial

Chromosomal Location of Human Ortholog: 2q35

Cellular Component: mitochondrial matrix; mitochondrial inner membrane

Molecular Function:cholestanetriol 26-monooxygenase activity; iron ion binding; cholesterol 26-hydroxylase activity; heme binding; steroid hydroxylase activity; vitamin D3 25-hydroxylase activity

Biological Process: bile acid biosynthetic process; cholesterol metabolic process; bile acid metabolic process; xenobiotic metabolic process; sterol metabolic process

Disease: Cerebrotendinous Xanthomatosis

NCBI Summary:This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This mitochondrial protein oxidizes cholesterol intermediates as part of the bile synthesis pathway. Since the conversion of cholesterol to bile acids is the major route for removing cholesterol from the body, this protein is important for overall cholesterol homeostasis. Mutations in this gene cause cerebrotendinous xanthomatosis, a rare autosomal recessive lipid storage disease. [provided by RefSeq, Jul 2008]
UniProt Code:Q02318
NCBI GenInfo Identifier:4503211
NCBI Gene ID:1593
NCBI Accession:NP_000775.1
UniProt Related Accession:Q02318
Molecular Weight:Predicted Molecular Mass: 39kDaAccurate Molecular Mass: 43kDa
NCBI Full Name:sterol 26-hydroxylase, mitochondrial
NCBI Synonym Full Names:cytochrome P450 family 27 subfamily A member 1
NCBI Official Symbol:CYP27A1  
NCBI Official Synonym Symbols:CTX; CP27; CYP27  
NCBI Protein Information:sterol 26-hydroxylase, mitochondrial
UniProt Protein Name:Sterol 26-hydroxylase, mitochondrial
UniProt Synonym Protein Names:5-beta-cholestane-3-alpha,7-alpha,12-alpha-triol 27-hydroxylase; Cytochrome P-450C27/25; Cytochrome P450 27; Sterol 27-hydroxylase; Vitamin D(3) 25-hydroxylase
Protein Family:FK506-binding protein
UniProt Gene Name:CYP27A1  
UniProt Entry Name:CP27A_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-Cytochrome P450 27A1 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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