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HS1 (Phospho-Tyr397) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB01695
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Reactivity:
Human
Detection Method:
Colorimetric
$719
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Description

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HS1 (Phospho-Tyr397)Colorimetric Cell-Based ELISA Kit

The HS1 Phospho-Tyr397 Colorimetric Cell-Based ELISA Kit is a cutting-edge tool for the accurate detection and quantification of phosphorylated Tyr397 levels in cell lysates and tissue samples. This kit offers high sensitivity and specificity, ensuring reliable and reproducible results for a wide range of research applications.Phosphorylated Tyr397 is a key signaling molecule involved in cell adhesion, migration, and proliferation. Abnormal levels of phosphorylated Tyr397 have been linked to various diseases, including cancer, inflammatory disorders, and autoimmune diseases.

By measuring phosphorylated Tyr397 levels, researchers can gain valuable insights into cell signaling pathways and potential therapeutic targets.With its user-friendly protocol and high-quality components, the HS1 Phospho-Tyr397 Colorimetric Cell-Based ELISA Kit is a valuable tool for researchers studying cell signaling pathways, drug development, and disease mechanisms. Get accurate and reliable results with this innovative ELISA kit from Assay Genie.

Product Name:HS1 (Phospho-Tyr397) Colorimetric Cell-Based ELISA
Product Code:CBCAB01695
ELISA Type:Cell-Based
Target:HS1 (Phospho-Tyr397)
Reactivity:Human
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The HS1 (Phospho-Tyr397) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect HS1 protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated HS1 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on HS1 phosphorylation.

Qualitative determination of HS1 (Phospho-Tyr397) concentration is achieved by an indirect ELISA format. In essence, HS1 (Phospho-Tyr397) is captured by HS1 (Phospho-Tyr397)-specific primary antibodies while the HRP-conjugated secondary antibodies bind the Fc region of the primary antibody. Through this binding, the HRP enzyme conjugated to the secondary 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: 3059, UniProt ID: P14317, OMIM: 601306, Unigene: Hs.14601
Gene Symbol:HCLS1
Sub Type:Phospho
UniProt Protein Function:HS1: Substrate of the antigen receptor-coupled tyrosine kinase. Plays a role in antigen receptor signaling for both clonal expansion and deletion in lymphoid cells. May also be involved in the regulation of gene expression. Associates with the SH2 and SH3 domains of LCK. Binding to he LCK SH3 domain occurs constitutively, while binding to the LCK SH2 domain occurs only upon TCR stimulation. A similar binding pattern was observed with LYN, but not with FYN in which the FYN SH2 region associates upon TCR stimulation but the FYN SH3 region does not associate regardless of TCR stimulation. Directly associates with HAX1, through binding to its C-terminal region. Interacts with HS1BP3. Interacts with FES/FPS. Interacts (via SH2 domain) with FGR. Forms a multiprotein complex with LYN and ANKRD54. Expressed only in tissues and cells of hematopoietic origin.
UniProt Protein Details:

Protein type:Motility/polarity/chemotaxis; Adaptor/scaffold

Chromosomal Location of Human Ortholog: 3q13

Cellular Component: cytoplasm; nucleus; transcription factor complex

Molecular Function:protein binding; protein kinase binding

Biological Process: erythrocyte differentiation; positive regulation of cell proliferation; positive regulation of granulocyte differentiation; positive regulation of peptidyl-serine phosphorylation; positive regulation of peptidyl-tyrosine phosphorylation; positive regulation of phosphoinositide 3-kinase cascade; positive regulation of protein kinase B signaling cascade; positive regulation of transcription factor import into nucleus; positive regulation of transcription from RNA polymerase II promoter; positive regulation of tyrosine phosphorylation of STAT protein; regulation of actin filament polymerization; regulation of transcription, DNA-dependent; response to hormone stimulus

UniProt Code:P14317
NCBI GenInfo Identifier:317373440
NCBI Gene ID:3059
NCBI Accession:P14317.3
UniProt Secondary Accession:P14317,Q53Y93, Q6IBK9, Q9UDK0, B4DQ69,
UniProt Related Accession:P14317
Molecular Weight:24,008 Da
NCBI Full Name:Hematopoietic lineage cell-specific protein
NCBI Synonym Full Names:hematopoietic cell-specific Lyn substrate 1
NCBI Official Symbol:HCLS1  
NCBI Official Synonym Symbols:HS1; p75; CTTNL; lckBP1  
NCBI Protein Information:hematopoietic lineage cell-specific protein
UniProt Protein Name:Hematopoietic lineage cell-specific protein
UniProt Synonym Protein Names:Hematopoietic cell-specific LYN substrate 1; LckBP1; p75
Protein Family:HCLS1-binding protein
UniProt Gene Name:HCLS1  
UniProt Entry Name:HCLS1_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-HS1 (Phospho-Tyr397) Antibody, Anti-HS1 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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