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Details for Product No. ABIN411893

HDAC Colorimetric Assay Kit

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Target Name (Antigen)
Synonyms
ARABIDOPSIS HISTONE DEACETYLASE 1, ARABIDOPSIS HISTONE DEACETYLASE 19, ATHD1, ATHDA19, ATRPD3A, F20D10.250, F20D10_250, HDA1, HDA19, HISTONE DEACETYLASE, HISTONE DEACETYLASE 19, HISTONE DEACETYLASE19, ... show more
Reactivity
Application
Enzyme Activity Assay (EAA)
Pubmed 3 references available
Catalog no. ABIN411893
Quantity 100 tests
Price
357.50 $   Plus shipping costs $45.00
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Availability Will be delivered in 2 to 3 Business Days
Sample Type Cell and Tissue Culture Lysate, Urine, Plasma, Serum, Biological Fluids
Detection Method Colorimetric
Specificity The new Colorimetric HDAC Activity Assay Kit provides a fast and convenient colorimetric method that eliminates radioactivity, extractions, or chromatography, as used in the traditional assays. The new method requires only two easy steps, both performed on the same microtiter plate. first, the HDAC colorimetric substrate, which comprises an acetylated lysine side chain, is incubated with a sample containing HDAC activity (e.g., HeLa nuclear extract or your own samples). Deacetylation of the substrate sensitizes the substrate, so that, in the second step, treatment with the Lysine Developer produces a chromophore. The chromophore can be easily analyzed using an ELISA plate reader or spectrophotometer. The assay is well suited for high throughput screening applications. HDAC inhibitors and antibodies are also available separately
Components HDAC Substrate [Boc-Lys(Ac)-pNA, 10 mM], 10X HDAC Assay Buffer, Lysine Developer, HDAC Inhibitor (Trichostatin A, 1 mM), HeLa Nuclear Extract (5 mg/mL), Deacetylated Standard (Boc-Lys-pNA, 10 mM)
Alternative Name HDAC
Background Inhibition of histone deacetylases (HDACs) has been implicated to modulate transcription and to induce apoptosis or differentiation in cancer cells. However, screening HDAC inhibitory compounds has proven to be difficult over the past due to the lack of convenient tools for analyzing HDAC activity.
Protocol A. General Consideration: Read the entire protocol before beginning the procedure. The HeLa nuclear extract and Lysine Developer should be refreeze immediately at -20 or -70 °C after each use to avoid loss of activity. If positive and negative controls are designed, the kit provides sufficient reagents for 5 positive control assays with the HeLa Nuclear Extract and 5 Negative Control assays with the HDAC Inhibitor, Trichostatin A. Using 96-well plates with U-shape bottom. Flat bottom may give a little low value. B.
1. Dilute test samples (50-200 µg of nuclear extract or cell lysate) to 85 µL (final volume) of ddH 2 0 in each well (For background reading, add 85 µL ddH 2 0 only). For positive control, dilute 10 µL of HeLa nuclear extract with 75 µL ddH 2 0. For negative control, dilute yoursample into 83 µL of ddH 2 0 and then add 2 µL of Trichostatin, or use a known sample containing no HDAC activity.
2. Add 10 µL of the 10X HDAC Assay Buffer to each well.
3. Add 5 µL of the HDAC colorimetric substrate to each well. Mix thoroughly.
4. Incubate plates at 37 °C for 1 hour (or longer if desired).
5. Stop the reaction by adding 10 µL of Lysine Developer and mix well. Incubate the plate at 37 °C for 30 min.
6. Read sample in an ELISA plate reader at 400 or 405 nm. Signal is stable for several hours at room temperature. HDAC activity can be expressed as the relative O.D. value per µg protein sample. C. Standard Curve (optional):
1. If desired, a standard curve can be prepared using the known amount of the Deacetylated Standard included in the kit. The exact concentration range of the Deacetylase Standard will vary depending on the each individual plate reader and the exact wavelength used. We recommend starting with a dilution range of 10-100 µM in Assay Buffer.
2. Add 90 µL each of the dilutions and also 10 µL of the 10X Assay Buffer into a set of wells on the microtiter plate. Use 90 µL of H2O and 10 µL of 10X Assay Buffer as zero
3. Add 10 µL of Lysine Developer to each well and incubate at 37 °C for 30 min (Note: Incubation time should be kept the same for both standard and test samples.)
4. Read samples in an ELISA plate reader at 400 or 405 nm.
5. Plot O.D. value (y-axis) versus concentration of the Deacetylated Standard (x-axis). Determine the slope as delta O.D./ µM.
6. Based on the slope, you can determine the absolute amount of deacetylated lysine generated in your sample.
Restrictions For Research Use only
Storage -20 °C
Expiry Date 12 months
Product cited in: Candelaria, de la Cruz-Hernandez, Taja-Chayeb et al.: "DNA methylation-independent reversion of gemcitabine resistance by hydralazine in cervical cancer cells." in: PLoS ONE, Vol. 7, Issue 3, pp. e29181, 2012 (PubMed).

Chen, Kim, Sciurba et al.: "Egr-1 regulates autophagy in cigarette smoke-induced chronic obstructive pulmonary disease." in: PLoS ONE, Vol. 3, Issue 10, pp. e3316, 2008 (PubMed).

Carter, Lin, Liu et al.: "Phosphorylated p68 RNA helicase activates Snail1 transcription by promoting HDAC1 dissociation from the Snail1 promoter." in: Oncogene, Vol. 29, Issue 39, pp. 5427-36, 2010 (PubMed).

Alternatives for antigen "Histone Deacetylase (HDAC)", type "Kits"
Reactivities (1), (1), (1), (1), (1), (5), (1), (5), (1), (1), (4), (1)
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