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AlphaLISA SureFire Ultra Human Total BCR-ABL1 Detection Kit, 100 Assay Points
AlphaLISA SureFire Ultra Human Total BCR-ABL1 Detection Kit, 100 Assay Points
AlphaLISA Surefire Ultra Total Protein
The AlphaLISA™ SureFire® Ultra™ Human Total BCR-ABL1 assay is a sandwich immunoassay for quantitative detection of total BCR-ABL1 in cellular lysates using Alpha Technology.
| Feature | Specification |
|---|---|
| Application | Cell Signaling |
| Protocol Time | 2h at RT |
| Sample Volume | 30 µL |
The AlphaLISA™ SureFire® Ultra™ Human Total BCR-ABL1 assay is a sandwich immunoassay for quantitative detection of total BCR-ABL1 in cellular lysates using Alpha Technology.
Product variants
Unit Size: 100 Assay Points
Part #:
ALSU-TBCAB1-A-HV
List price
USD 722.00
Your online price:
Unit Size: 500 Assay Points
Part #:
ALSU-TBCAB1-A500
List price
USD 2,441.00
Your online price:
Unit Size: 10,000 Assay Points
Part #:
ALSU-TBCAB1-A10K
List price
USD 14,688.00
Your online price:
Unit Size: 50,000 Assay Points
Part #:
ALSU-TBCAB1-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).
AlphaLISA SureFire Ultra Human Total BCR-ABL1 Detection Kit, 100 Assay Points
AlphaLISA Surefire Ultra Total Protein
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Product information
Overview
BCR-ABL1 is an oncogenic fusion protein resulting from the Philadelphia chromosome translocation t(9;22), which joins the BCR gene on chromosome 22 to the ABL1 tyrosine kinase gene on chromosome 9. The fusion protein exhibits constitutive tyrosine kinase activity independent of normal regulatory mechanisms, driving uncontrolled cell proliferation through activation of RAS/MAPK, PI3K/AKT, and JAK/STAT pathways. BCR-ABL1 is the causative driver in chronic myeloid leukemia (CML) and a subset of acute lymphoblastic leukemias (ALL). The kinase domain of BCR-ABL1 is the target of tyrosine kinase inhibitors including imatinib, dasatinib, and nilotinib, which have revolutionized CML treatment and transformed it from a fatal disease to a manageable chronic condition. Resistance mutations in the kinase domain, particularly T315I, have driven development of next-generation inhibitors such as ponatinib.
The AlphaLISA SureFire Ultra Human Total BCR-ABL1 Detection Kit is a sandwich immunoassay for the quantitative detection of total BCR-ABL1 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
Total-AlphaLISA SureFire Ultra assay principle
The Total-AlphaLISA SureFire Ultra assay measures the expression level of a protein target in a cell lysate.
The Total-AlphaLISA SureFire Ultra assay uses two antibodies which recognize two different distal epitopes on the targeted 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 one of the detection antibodies, which is biotinylated. In the presence of targeted protein, the two antibodies bring the Donor and Acceptor beads in close proximity whereby the singlet oxygen transfers energy to excite the Acceptor bead, allowing the generation of a luminescent Alpha signal. The amount of light emission is directly proportional to the quantity of protein present in the sample.
Total-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 Total-AlphaLISA SureFire Ultra detection reagents. This protocol permits the cells viability and confluence to be monitored. In addition, lysates from a single well can be used to measure multiple targets.
Total-AlphaLISA SureFire Ultra one-plate assay protocol
Detection of Total 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 allows for miniaturization while maintaining AlphaLISA SureFire Ultra quality.
Assay validation
Tyrosine kinase inhibitors decrease BCR-ABL1 phosphorylation in K-562 cells
K-562 cells were seeded in a 96-well plate (100,000 cells/well) in complete medium and treated with increasing concentrations of Imatinib, Nilotinib or Asciminib for 6 hours at 37°C, 5% CO2.
After treatment, the cells were washed with HBSS and lysed with 100 µL of Lysis Buffer for 10 minutes at RT with shaking (350 rpm). BCR-ABL1 Phospho (Tyr412), Phospho (Tyr245) and Total levels were evaluated using respective AlphaLISA SureFire Ultra assays. For the detection step, 10 µL of cell lysate (approximately 10,000 cells) was transferred into a 384-well white OptiPlate, followed by 5 µL of Acceptor mix and incubated for 1 hour at RT. 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.
As expected, treatment with tyrosine kinase inhibitors resulted in a dose-dependent decrease of Phospho (Tyr412) and Phospho (Tyr245) BCR-ABL1 levels, while Total levels remained unchanged.
Assay versatility
Expression of BCR-ABL1 in various cell lines
Adherent cells were grown to confluency in T175 flasks and lysed in Lysis Buffer at a density of 1 x 106 cells/mL. Suspension cells were harvested, washed with HBSS and lysed in Lysis Buffer at a density of 3.2 x 106 cells/mL.
BCR-ABL1 Total levels were evaluated using the AlphaLISA SureFire Ultra kit. For the detection step, 10 µL of cell lysate (5,000 adherent cells and 15,000 suspension cells) were transferred into a 384-well white OptiPlate, followed by 5 µL of Acceptor Mix and incubated for 1 hour at RT. 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.
In line with literature, BCR-ABL1 is only expressed in chronic myelogenous leukemia cell line K-562.
Assay sensitivity
Assay sensitivity - cell lysate
Cell lysate was prepared from K-562 cells prepared at 4 x 106 cells/mL in HBSS. Cells were lysed with the addition of 5X Lysis Buffer for 10 minutes at RT with shaking.
Lysate was serially diluted in Lysis Buffer and BCR-ABL1 Total, Phospho (Tyr412) and Phospho (Tyr245) levels were evaluated by AlphaLISA SureFire Ultra. For the detection step, 10 µL of lysate 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.
Approximate number of cells per datapoint is indicated. The dotted line represents assay background. The assay can detect BCR-ABL1 Total levels in less than 100 cells.
Specifications
| Application |
Cell Signaling
|
|---|---|
| Automation Compatible |
Yes
|
| Brand |
AlphaLISA SureFire Ultra
|
| Detection Modality |
Alpha
|
| Protocol Time |
2h at RT
|
| Sample Volume |
30 µL
|
| Shipping Conditions |
Shipped in Blue Ice
|
| Target |
BCR-ABL1
|
| Target Class |
Phosphoproteins
|
| Target Species |
Human
|
| Technology |
Alpha
|
| Therapeutic Area |
Oncology
|
| Unit Size |
100 Assay Points
|
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