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HDAC8 (Phospho-Ser39) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB01541
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Epigenetics and Nuclear Signaling
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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HDAC8 (Phospho-Ser39)Colorimetric Cell-Based ELISA Kit

The HDAC8 Phospho-Ser39 Colorimetric Cell-Based ELISA Kit is specifically designed for the detection of phosphorylated HDAC8 at Serine 39 in various cell types. This kit offers high sensitivity and specificity, allowing for accurate and reliable results in research applications.HDAC8, a member of the histone deacetylase family, plays a critical role in regulating gene expression through histone deacetylation. Phosphorylation of HDAC8 at Ser39 has been implicated in various cellular processes, including cell cycle progression, differentiation, and apoptosis.

By measuring the levels of phosphorylated HDAC8 at Ser39, researchers can gain valuable insights into the mechanisms underlying cellular signaling pathways and potential therapeutic targets for diseases such as cancer, neurodegenerative disorders, and inflammatory conditions. The HDAC8 Phospho-Ser39 Colorimetric Cell-Based ELISA Kit provides a valuable tool for studying the role of HDAC8 phosphorylation in cellular function and disease pathology.

Product Name:HDAC8 (Phospho-Ser39) Colorimetric Cell-Based ELISA
Product Code:CBCAB01541
ELISA Type:Cell-Based
Target:HDAC8 (Phospho-Ser39)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The HDAC8 (Phospho-Ser39) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect HDAC8 protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated HDAC8 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on HDAC8 phosphorylation.

Qualitative determination of HDAC8 (Phospho-Ser39) concentration is achieved by an indirect ELISA format. In essence, HDAC8 (Phospho-Ser39) is captured by HDAC8 (Phospho-Ser39)-specific primary (1ø) antibodies while the HRP-conjugated secondary (2ø) antibodies bind the Fc region of the 1ø antibody. Through this binding, the HRP enzyme conjugated to the 2ø 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: 55869, UniProt ID: Q9BY41, OMIM: 300269, Unigene: Hs.310536
Gene Symbol:HDAC8
Sub Type:Phospho
UniProt Protein Function:HDAC8: Responsible for the deacetylation of lysine residues on the N-terminal part of the core histones (H2A, H2B, H3 and H4). Histone deacetylation gives a tag for epigenetic repression and plays an important role in transcriptional regulation, cell cycle progression and developmental events. Histone deacetylases act via the formation of large multiprotein complexes. May play a role in smooth muscle cell contractility. Belongs to the histone deacetylase family. HD type 1 subfamily. 5 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:EC 3.5.1.98; Hydrolase

Chromosomal Location of Human Ortholog: Xq13

Cellular Component: nucleoplasm; nuclear chromosome; histone deacetylase complex; cytoplasm; plasma membrane; cytosol; nucleus

Molecular Function:NAD-dependent histone deacetylase activity (H3-K9 specific); NAD-dependent histone deacetylase activity (H3-K14 specific); metal ion binding; NAD-dependent histone deacetylase activity (H4-K16 specific); histone deacetylase activity; transcription factor binding

Biological Process: chromatin assembly or disassembly; establishment and/or maintenance of chromatin architecture; transcription, DNA-dependent; sister chromatid cohesion; mitotic cell cycle; chromatin modification; negative regulation of transcription from RNA polymerase II promoter

Disease: Wilson-turner X-linked Mental Retardation Syndrome

NCBI Summary:Histones play a critical role in transcriptional regulation, cell cycle progression, and developmental events. Histone acetylation/deacetylation alters chromosome structure and affects transcription factor access to DNA. The protein encoded by this gene belongs to class I of the histone deacetylase family. It catalyzes the deacetylation of lysine residues in the histone N-terminal tails and represses transcription in large multiprotein complexes with transcriptional co-repressors. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2009]
UniProt Code:Q9BY41
NCBI GenInfo Identifier:29839394
NCBI Gene ID:55869
NCBI Accession:Q9BY41.2
UniProt Secondary Accession:Q9BY41,Q86VC8, Q9NP76, Q9NYH4, A6ND12, A6ND61, A6NET3 A6NJR3, A8MQ62, B4DKN0, B4DV22,
UniProt Related Accession:Q9BY41
Molecular Weight:377
NCBI Full Name:Histone deacetylase 8
NCBI Synonym Full Names:histone deacetylase 8
NCBI Official Symbol:HDAC8  
NCBI Official Synonym Symbols:HD8; WTS; RPD3; CDA07; CDLS5; MRXS6; HDACL1  
NCBI Protein Information:histone deacetylase 8; histone deacetylase-like 1
UniProt Protein Name:Histone deacetylase 8
UniProt Gene Name:HDAC8  
UniProt Entry Name:HDAC8_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-HDAC8 (Phospho-Ser39) Antibody, Anti-HDAC8 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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