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AlphaLISA SureFire Ultra Human Tau Aggregate Detection Kit, 10,000 Assay Points

The AlphaLISA™ SureFire® Ultra™ Human Tau Aggregate assay is a sandwich immunoassay for quantitative detection of Tau Aggregate in cellular lysates using Alpha Technology.

Feature Specification
Application Cell Signaling
Protocol Time 2h at RT
Sample Volume 10 µL

The AlphaLISA™ SureFire® Ultra™ Human Tau Aggregate assay is a sandwich immunoassay for quantitative detection of Tau Aggregate in cellular lysates using Alpha Technology.

Product variants
Unit Size: 100 assay points
Part #:
ALSU-ATAU-A-HV
List price
USD 722.00
Your online price:
Unit Size: 500 assay points
Part #:
ALSU-ATAU-A500
List price
USD 2,441.00
Your online price:
Unit Size: 10,000 assay points
Part #:
ALSU-ATAU-A10K
List price
USD 14,688.00
Your online price:
Unit Size: 50,000 assay points
Part #:
ALSU-ATAU-A50K
List price
USD 46,690.00
Your online price:
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).

Overview

Tau aggregates are pathological assemblies of hyperphosphorylated tau protein, commonly observed in tauopathies such as Alzheimer's disease (AD), frontotemporal dementia (FTD), and progressive supranuclear palsy (PSP). Tau is a microtubule-associated protein that stabilizes axonal microtubules under normal conditions. In disease states, abnormal post-translational modifications such as hyperphosphorylation cause tau to detach from microtubules and misfold into toxic oligomers and fibrils, forming neurofibrillary tangles. These aggregates disrupt neuronal transport, synaptic integrity, and contribute to neuroinflammation and cell death. Therapeutic efforts aim to inhibit Tau aggregation, enhance its clearance, or block its spread between neurons.

The AlphaLISA SureFire Ultra Human Tau Aggregate Detection Kit is a sandwich immunoassay for the quantitative detection of Tau Aggregate in cellular lysates, using Alpha Technology.

Formats:

  • The HV (high volume) kit contains reagents to run 100 wells in 96-well format, using a 60 μL reaction volume.
  • The 500-point kit contains enough reagents to run 500 wells in 384-well format, using a 20 μL reaction volume.
  • The 10,000-point kit contains enough reagents to run 10,000 wells in 384-well format, using a 20 μL reaction volume.
  • The 50,000-point kit contains enough reagents to run 50,000 wells in 384-well format, using a 20 μL reaction volume.

AlphaLISA SureFire Ultra kits are compatible with:

  • Cell and tissue lysates
  • Antibody modulators
  • Biotherapeutic antibodies

AlphaLISA SureFire Ultra kits can be used for:

  • Cellular kinase assays
  • Receptor activation studies
  • High-throughput screening for preclinical studies

How it works

Aggregation-AlphaLISA SureFire Ultra assay principle

The Aggregation-AlphaLISA SureFire Ultra assay measures the aggregates level of a protein target in a cell lysate.

The Aggregation-AlphaLISA Surefire Ultra assay uses one antibody which recognizes an exposed epitope on the aggregated target protein. AlphaLISA assays require two bead types: Acceptor and Donor beads. Acceptor beads are coated with a proprietary CaptSure™ agent to specifically immobilize the assay specific antibody, labeled with a CaptSure tag. Donor beads are coated with streptavidin to capture the detection antibody, which is biotinylated. In the presence of targeted protein, the antibody brings the Donor and Acceptor beads in close proximity whereby the singlet oxygen transfers energy to excite the Acceptor bead, enabling the generation of a luminescent Alpha signal. The amount of light emission is directly proportional to the quantity of aggregated protein present in the sample.

assay principle Aggregate AlphaLISA Surefire Ultra

 

Aggregation-AlphaLISA SureFire Ultra two-plate assay protocol

The two-plate protocol involves culturing and treating the cells in a 96-well plate before lysis, then transferring lysates into a 384-well Optiplate plate before the addition of Aggregation-AlphaLISA SureFire Ultra detection reagents. This protocol enables the cells viability and confluence to be monitored. In addition, lysates from a single well can be used to measure multiple targets.

2plates assay protocol AlphaLISA Surefire Ultra Aggregate assay

Aggregation-AlphaLISA SureFire Ultra one-plate assay protocol

Detection of aggregated target protein with AlphaLISA SureFire Ultra reagents can be performed in a single plate used for culturing, treatment, and lysis. No washing steps are required. This HTS designed protocol enables miniaturization while maintaining robust AlphaLISA SureFire Ultra quality.

1plate assay protocol AlphaLISA Surefire Ultra Aggregate assay

Assay specificity/selectivity

Selectivity of Tau Aggregate assay

Tau Aggregate assay was assessed by assaying recombinant aggregated protein. Serial dilutions of recombinant Human Tau aggregate protein (Abcam ab246003) was prepared beginning at 100 ng/mL in Lysis Buffer and evaluated using the Tau Aggregate AlphaLISA SureFire Ultra assay.

For the detection step, 10 µL of protein was transferred into a 384-well white OptiPlate, followed by 5 µL of Acceptor mix and incubated for 1 hour at room temperature. Finally, 5 µL of Donor mix was then added to each well and incubated for 1 hour at RT in the dark. The plate was read on an Envision using standard AlphaLISA settings.

Sensitivity of Tau Aggregate assay

Specifications

Application
Cell Signaling
Automation Compatible
Yes
Brand
AlphaLISA SureFire Ultra
Detection Modality
Alpha
Product Group
Kit
Protocol Time
2h at RT
Sample Volume
10 µL
Shipping Conditions
Shipped in Blue Ice
Target
Tau
Target Class
Phosphoproteins
Target Species
Human
Technology
Alpha
Therapeutic Area
Neuroscience
Unit Size
10,000 assay points

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