SNAIL Rabbit Polyclonal Antibody
Datasheet 
Key features and details
- Target:
- Host:
- Reactivity:
- Clonality:
- Application:
- Storage:
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Brand:
CAT.NO. : ARA6484
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Product Details
Background
Zinc finger protein SNAI1 (sometimes referred to as Snail) is a protein that in humans is encoded by the SNAI1 gene. Snail is a family of transcription factors that promote the repression of the adhesion molecule E-cadherin to regulate epithelial to mesenchymal transition (EMT) during embryonic development. The Drosophila embryonic protein SNAI1, commonly known as Snail, is a zinc finger transcriptional repressor which downregulates the expression of ectodermal genes within the mesoderm. The nuclear protein encoded by this gene is structurally similar to the Drosophila Snail protein, and is also thought to be critical for mesoderm formation in the developing embryo. At least two variants of a similar processed pseudogene have been found on chromosome 2. SNAI1 zinc-fingers (ZF) binds to E-box, an E-cadherin promoter region, and represses the expression of the adhesion molecule, which induces the tightly bound epithelial cells to break loose from each other and migrate into the developing embryo to become mesenchymal cells. This process allows for the formation of the mesodermal layer in the developing embryo. Though SNAI1 is shown to repress expression of E-cadherin in epithelial cells, studies have shown homozygous mutant embryos are still able to form a mesodermal layer. However, the mesodermal layer present shows characteristics of epithelial cells and not mesenchymal cells (the mutant mesoderm cells exhibited a polarized state). Other studies show that mutation of specific ZFs contribute to a decrease in SNAI1 E-cadherin repression.
Application
To ensure optimal assay performance, AREX recommends conducting reagent titration tailored to each testing system for optimal detection results.
*Results are sample-specific. Please refer to your local assay conditions and test parameters for reference.
Application | Dilution Ratio |
WB | 1:500 - 1:5000 |
IF/ICC | 1:20 - 1:50 |
Overview
Product Name | SNAIL Rabbit Polyclonal Antibody |
Antibody Type | Rabbit Polyclonal Antibody |
Immunogen | Recombinant protein within human SNAIL aa 1-200. |
Species Reactivity | Human, Mouse, Rat |
Molecular Weight | Predicted band size: 29 kDa |
Positive Control | A549 cell lysate, 293T cell lysate, NIH/3T3 cell lysate, RAW264.7 cell lysate, C6 cell lysate, NIH/3T3. |
Conjugation | unconjugated |
Form | Liquid |
Form/Buffer | PBS (pH7.4), 0.1% BSA, 40% Glycerol. Preservative: 0.05% Sodium Azide. |
Isotype | IgG |
Purification | Immunogen affinity purified. |
*Clone Number, Reactivity, Source/Host and Clonality can be found in the product name and Key Features section above.
Data
Western blot analysis of SNAIL on different lysates with SNAIL Rabbit Polyclonal Antibody.
Immunocytochemistry analysis of NIH/3T3 cells labeling SNAIL with SNAIL Rabbit Polyclonal Antibody.
Storage
Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles.
Note
For Research Use Only. Not for diagnostic, therapeutics, prophylactic or in vivo use.
FAQs
What are the main types of research antibodies and how do they differ?
Research antibodies are mainly divided into monoclonal antibodies and polyclonal antibodies. Monoclonal antibodies typically offer higher specificity and better batch-to-batch consistency, while polyclonal antibodies often provide stronger affinity but may show more variation between batches. The choice depends on your specific experimental needs.
How can I tell if a research antibody is suitable for my experiment?
It is recommended to carefully review the product datasheet for validated applications, species reactivity, recommended dilutions, and published references. For new antibodies, performing a small-scale validation with positive control samples is usually helpful.
Can improper storage of research antibodies affect experimental results?
Yes. Antibodies are sensitive to temperature, repeated freeze-thaw cycles, and contamination. Improper storage may lead to reduced activity, increased background, or weaker signals. It is best to follow the storage instructions provided in the product datasheet.
Why doesn’t the recommended dilution in the datasheet work well in my experiment?
The recommended dilution is based on the supplier’s test conditions. Factors such as sample type, fixation method, and detection system in your lab can influence the optimal working concentration. Performing a dilution series optimization in your own system is often necessary.
What precautions should I take when using a newly purchased research antibody for the first time?
It is advisable to briefly centrifuge the antibody (especially concentrated or lyophilized ones), then perform a small-scale pilot experiment using the recommended conditions. Recording the batch number and usage date is also helpful for future tracking.
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