Crry Antibody #44585
- WB
Supporting Data
| REACTIVITY | M |
| SENSITIVITY | Endogenous |
| MW (kDa) | 60-80 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- M-Mouse
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Protocol
Specificity / Sensitivity
Crry Antibody recognizes endogenous levels of total Crry protein.
Species Reactivity:
Mouse
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Leu99 of mouse Crry protein. Antibodies are purified by peptide affinity chromatography.
Background
Crry, also known as complement component receptor 1-like protein (Cr1l), is a murine membrane-bound complement regulatory protein ubiquitously expressed in mouse tissues (1,2). Crry is a functional analog of the human complement decay-accelerating factor (DAF/CD55) and membrane cofactor protein (MCP/CD46) (3). In mice, Crry acts as a cofactor for complement factor I, a serine protease which protects autologous cells against complement-mediated injury by cleaving C3b and C4b deposited on host tissues (4,5). Crry also acts as a decay-accelerating factor, preventing the formation of C4b2a and C3bBb, which are amplification convertases of the complement cascade (3,6). Crry plays a crucial role in early embryonic development by maintaining fetomaternal tolerance (7). On CD4+ T cells, Crry acts as a costimulatory factor which favors IL-4 rather than IFN-gamma secretion, suggesting Th2 polarization (8). Cancer cells and cells of the tumor microenvironment have been shown to overexpress Crry, suppressing tumor-specific T cell responses and complement-mediated anti-tumor immunity (9,10). Multiple isoforms have been identified computationally.
Limited Uses
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