Thermo Fisher Scientific PSF/SFPQ Polyclonal Antibody
Rabbit polyclonal antibody recognizing human PSF/SFPQ protein. Suitable for WB, IHC, and IP applications. Recommended dilutions: WB 1:2,000–1:10,000; IHC 1:100–1:500. Supplied as liquid, 0.20 mg/mL, stored at 4°C. For research use only.
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Applications and Tested Dilutions
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:2,000–1:10,000 |
| Immunohistochemistry (IHC) | 1:100–1:500 |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:100–1:500 |
| Immunoprecipitation (IP) | 2–5 µg/mg lysate |
Product Specifications
| Specification | Description |
|---|---|
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | Region between residue 225 and 275 of Human Polypyrimidine tract-binding protein-associated splicing factor (SFPQ/PSF) |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 0.20 mg/mL |
| Storage Conditions | 4°C |
| Shipping Conditions | Wet ice |
Product Specific Information
- Recommended shelf life: 1 year from date of receipt
- Application Note: For IHC, epitope retrieval with citrate buffer (pH 6.0) is recommended for FFPE tissue sections.
Target Information
SFPQ, also known as PSF, encodes a nuclear factor involved in RNA splicing and regulation of gene expression. It likely forms a heteromer with NONO and participates in DNA pairing and repair processes. Recent studies indicate SFPQ is a downstream target of tau, with nuclear depletion and cytoplasmic accumulation observed in neurons and astrocytes of Alzheimer’s disease brains. Reduced SFPQ levels may correlate with tau pathology, suggesting a role in neurodegenerative diseases. SFPQ protein may appear as 47 kDa, 52 kDa, or 100 kDa forms in various cell types.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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