Keratin 15 Colorimetric Cell-Based ELISA Kit

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SKU:
CBCAB00320
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
Frequently bought together:

Description

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Keratin 15 Colorimetric Cell-Based ELISA Kit

The Keratin 15 Colorimetric Cell-based ELISA Kit from Assay Genie is specifically designed for the accurate detection of Keratin 15 levels in cell cultures. This kit offers high sensitivity and specificity, providing researchers with reliable and reproducible results for a variety of research applications.Keratin 15 is a protein that plays a critical role in maintaining the integrity and structure of epithelial cells, particularly in the skin and hair follicles.

Dysregulation of Keratin 15 expression has been implicated in various skin disorders, making it a valuable biomarker for studying these conditions and developing novel treatments.With its easy-to-use format and precise results, the Keratin 15 Colorimetric Cell-based ELISA Kit is an essential tool for researchers investigating the role of Keratin 15 in skin biology and disease pathogenesis.

Product Name:Keratin 15 Colorimetric Cell-Based ELISA
Product Code:CBCAB00320
ELISA Type:Cell-Based
Target:Keratin 15
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

The Keratin 15 Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect Keratin 15 protein expression profile in cells. The kit can be used for measuring the relative amounts of Keratin 15 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on Keratin 15.

Qualitative determination of Keratin 15 concentration is achieved by an indirect ELISA format. In essence, Keratin 15 is captured by Keratin 15-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: 3866, UniProt ID: P19012, OMIM: 148030, Unigene: Hs.654570
Gene Symbol:KRT15
Sub Type:None
UniProt Protein Function:K15: a type I cytoskeletal keratin. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. There are two types of cytoskeletal and microfibrillar keratin: type I (acidic; 40-55 kDa) [K9 to K20] and type II (neutral to basic; 56-70 kDa) [K1 to K8]. Both a basic and an acidic keratin are required for filament assembly.
UniProt Protein Details:

Protein type:Cytoskeletal

Chromosomal Location of Human Ortholog: 17q21.2

Cellular Component: cytosol; nucleus

Molecular Function:protein binding; structural constituent of cytoskeleton

Biological Process: epidermis development; keratinization

NCBI Summary:The protein encoded by this gene is a member of the keratin gene family. The keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into cytokeratins and hair keratins. Most of the type I cytokeratins consist of acidic proteins which are arranged in pairs of heterotypic keratin chains and are clustered in a region on chromosome 17q21.2. [provided by RefSeq, Jul 2008]
UniProt Code:P19012
NCBI GenInfo Identifier:311033438
NCBI Gene ID:3866
NCBI Accession:P19012.3
UniProt Secondary Accession:P19012,Q53XV8, Q9BUG4, B3KQY1, B3KRA2, E0CX14,
UniProt Related Accession:P19012
Molecular Weight:49kDa
NCBI Full Name:Keratin, type I cytoskeletal 15
NCBI Synonym Full Names:keratin 15
NCBI Official Symbol:KRT15  
NCBI Official Synonym Symbols:K15; CK15; K1CO  
NCBI Protein Information:keratin, type I cytoskeletal 15
UniProt Protein Name:Keratin, type I cytoskeletal 15
UniProt Synonym Protein Names:Cytokeratin-15; CK-15; Keratin-15; K15
Protein Family:Keratin
UniProt Gene Name:KRT15  
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-Keratin 15 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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