| Code | CSB-RA440943A0HU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| WB | 1:500-1:5000 |
| IHC | 1:50-1:200 |
CD55, also known as complement decay-accelerating factor, serves as a critical regulator of the complement cascade by accelerating the decay of C3 and C5 convertases on host cell surfaces. This protective function prevents autologous complement-mediated damage and has made CD55 a significant focus in immunology research, particularly in studies examining complement dysregulation, paroxysmal nocturnal hemoglobinuria, and tumor immune evasion mechanisms where cancer cells often exploit CD55 overexpression to resist complement attack.
This recombinant monoclonal antibody, generated against a synthetic peptide derived from human CD55, offers the consistency and reproducibility that demanding experimental workflows require. As a sequence-defined recombinant clone, it eliminates the lot-to-lot variability inherent in traditional hybridoma production, ensuring your results remain comparable across extended studies and collaborative projects.
Validation testing demonstrates reliable performance across multiple applications. In western blot analysis, the antibody successfully detects CD55 in A549, 293T, and K562 cell lysates at dilutions ranging from 1:500 to 1:5000. The observed band at approximately 70 kDa runs higher than the predicted molecular weights, which reflects the extensive glycosylation characteristic of this GPI-anchored membrane protein. For immunohistochemistry applications, the antibody has been validated in paraffin-embedded human lung and placenta tissues at 1:50 to 1:200 dilutions using citrate buffer antigen retrieval, producing clear specific staining patterns.
Whether investigating complement regulation in disease models, characterizing tumor microenvironment interactions, or exploring CD55 expression patterns across human tissues, this affinity-purified rabbit IgG provides a dependable tool for advancing your immunology research.
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