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HTRF Total NDRG1 Detection Kit, 500 Assay Points

The total NDRG1 kit monitors the cellular level of NDRG1 and can be used as a normalization assay for the phospho-NDRG1 kits.

For research use only. Not for use in diagnostic procedures. All products to be used in accordance with applicable laws and regulations including without limitation, consumption and disposal requirements under European REACH regulations (EC 1907/2006).

Feature Specification
Application Cell Signaling
Sample Volume 16 µL

The total NDRG1 kit monitors the cellular level of NDRG1 and can be used as a normalization assay for the phospho-NDRG1 kits.

Product Variants
Unit Size: 500 Assay Points
Part #:
63ADK094PEG
List Price
USD 2,147.00
Unit Size: 10,000 Assay Points
Part #:
63ADK094PEH
List Price
USD 12,490.00

Overview

The total NDRG1 kit serves as a normalization assay with HTRF Phospho-NDRG assay kits. NDRG1 is upregulated by HIF1-alpha under hypoxic conditions often associated with aggressive tumor progression. NDRG1 is a metastasis suppressor that works by blocking the angiogenesis signaling pathway.

Specifications

Application
Cell Signaling
Brand
HTRF
Detection Modality
HTRF
Molecular Modification
Total
Product Group
Kit
Sample Volume
16 µL
Shipping Conditions
Shipped in Dry Ice
Target Class
Phosphoproteins
Technology
TR-FRET
Therapeutic Area
Oncology & Inflammation
Unit Size
500 Assay Points

Video gallery

How it works

Total-NDRG1 assay principle

The Total-NDRG1 assay quantifies the expression level of NDRG1 in a cell lysate. Contrary to Western Blot, the assay is entirely plate-based and does not require gels, electrophoresis or transfer. The Total-NDRG1 assay uses two labeled antibodies: one coupled to a donor fluorophore, the other to an acceptor. Both antibodies are highly specific for a distinct epitope on the protein. In presence of NDRG1 in a cell extract, the addition of these conjugates brings the donor fluorophore into close proximity with the acceptor and thereby generates a FRET signal. Its intensity is directly proportional to the concentration of the protein present in the sample, and provides a means of assessing the proteins expression under a no-wash assay format.

phospho-how-it-works-total-erk-assay-principle

 

Total-NDRG1 2-plate assay protocol

The 2 plate protocol involves culturing cells in a 96-well plate before lysis then transferring lysates to a 384-well low volume detection plate before adding Total NDRG1 HTRF detection reagents. This protocol enables the cells' viability and confluence to be monitored.

Two-plate protocol of the HTRF total BRD2 assay

 

Total-NDRG1 1-plate assay protocol

Detection of total NDRG1 with HTRF reagents can be performed in a single plate used for culturing, stimulation and lysis. No washing steps are required. This HTS designed protocol enables miniaturization while maintaining robust HTRF quality.

One-plate protocol of the HTRF total BRD2 assay

 

Assay validation

Detection of phospho and total NDRG1 on HeLa cells

Different cell densities of HeLa cells were plated in 96-well plates and incubated overnight. Cells were stimulated with increasing concentration of 25 µL of AZD8055 (a novel ATP-competitive mTOR inhibitor) for 2h at 37°C - 5% CO2. After stimulation, cells were lysed with 25µL of lysis buffer 4X for 30 min at RT under gentle shaking. 16 µL of lysate were transferred into a 384-well sv white microplate and 4 µL of the HTRF phospho NDRG1 (Thr346) or total NDRG1 detection reagents were added. The HTRF signal was recorded after a overnight incubation at room temperature.

1assay-validation-ndrg1-total-1.svg
2assay-validation-ndrg1-total-2.svg
3assay-validation-ndrg1-total-3.svg

 

 

Detection of total NDRG1 on HeLa cells

Different cell densities (100K, 50K, 25K and 12.5K) of HeLa cells were plated under 50µL in 96-well plate in presence of 40 µM of Dp44mT and incubated for 24h. Then, media was aspirated and cells were lysed with 50µL of lysis buffer 1X for 30 min at RT under gentle shaking. 16 µL of lysate were transferred into a 384-well sv white microplate and 4 µL of the HTRF total NDRG1 detection reagents were added. The HTRF signal was recorded after a overnight incubation at room temperature.

4assay-validation-ndrg1-total-4.svg

 

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