Thermo Fisher Scientific FOXP3 Monoclonal Antibody (FJK-16s), eFluor 450, eBioscience
Mouse 및 Rat FOXP3 단백질 검출용 FJK-16s 단클론 항체로, eFluor 450 형광체 결합. Flow cytometry 및 intracellular staining에 최적화되어 Treg 세포 분석에 활용 가능. Violet laser(405 nm) 기반 검출, 높은 특이성과 안정성 제공.
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Thermo Fisher Scientific FOXP3 Monoclonal Antibody (FJK-16s), eFluor 450, eBioscience
Applications and Tested Dilution
| Application | Tested Dilution | Publications |
|---|---|---|
| Immunohistochemistry (Frozen) (IHC (F)) | - | View 1 publication |
| Flow Cytometry (Flow) | 0.06 µg/test | View 108 publications |
| ELISA | - | View 1 publication |
Product Specifications
| Item | Description |
|---|---|
| Species Reactivity | Bovine, Dog, Cat, Mouse, Pig, Rat |
| Published Species | Bacteria, Human, Mouse, Rat |
| Host / Isotype | Rat / IgG2a, kappa |
| Recommended Isotype Control | Rat IgG2a kappa Isotype Control (eBR2a), eFluor™ 450, eBioscience™ |
| Class | Monoclonal |
| Type | Antibody |
| Clone | FJK-16s |
| Conjugate | eFluor™ 450 |
| Excitation / Emission Max | 405 / 445 nm |
| Form | Liquid |
| Concentration | 0.2 mg/mL |
| Purification | Affinity chromatography |
| Storage Buffer | PBS, pH 7.2 |
| Contains | 0.09% sodium azide |
| Storage Conditions | 4°C, store in dark, DO NOT FREEZE |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_1518813 |
Available Formats
- Unconjugated
- Alexa Fluor 488, 532, 561, 660, 700
- APC, Biotin
- Brilliant Violet 421, 605, 711, 786
- eFluor 506, 570, 615, 660
- FITC, PE, PE-Cyanine5, PE-Cyanine5.5, PE-Cyanine7, PE-eFluor 610
- PerCP-Cyanine5.5, PerCP-eFluor 710
- Request custom conjugation
Product Specific Information
The FJK-16s antibody reacts with mouse, rat, dog, porcine, bovine, and cat Foxp3 (FORKHEAD BOX P3, SCURFIN, JM2). Foxp3 is a 49–55 kDa transcriptional regulator, defective in scurfy mice. High Foxp3 expression is observed in CD4+CD25+ regulatory T cells (Treg cells).
Immunoblotting with FJK-16s maps the epitope to amino acids 75–125 of mouse Foxp3. In humans, this region is alternatively spliced, with both isoforms present in CD4+CD25+ lymphocytes. Mouse splenocytes lack this splice variant, suggesting species-specific regulation.
This antibody is optimized for use with the Foxp3 Transcription Factor Buffer Staining Set (Product #00-5523-00). Other buffers are not recommended.
Applications Reported:
Intracellular staining followed by flow cytometric analysis.
Applications Tested:
Validated using Foxp3 buffers and mouse splenocytes. Recommended usage ≤0.06 µg/test (100 µL final volume). Cell count: 10⁵–10⁸ cells/test. Titrate for optimal performance.
eFluor® 450 is an alternative to Pacific Blue®, emitting at 445 nm when excited at 405 nm (Violet laser). Ensure instrument compatibility.
Filtration: 0.2 µm post-manufacturing filtered.
Target Information
FOXP3 (Forkhead box protein 3) is a transcriptional regulator essential for immune homeostasis. It is expressed in CD25+CD4+ regulatory T cells and absent in CD4−/CD8+ T cells. FOXP3 defects cause the scurfy phenotype in mice and IPEX syndrome in humans. Transcript variants encoding different isoforms have been identified. In human breast and colon cancer cells, FOXP3 expression is regulated by p53 in response to DNA damage.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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