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Recombinant Human CA125/MUC16 (C-Fc-Avi) Biotinylated
SKU: PKSH033910-100
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Recombinant Human CA125/MUC16 (C-Fc-Avi) Biotinylated
| SKU # | PKSH033910 |
| Expression Host | HEK293 Cells |
Description
| Synonyms | CA-125, CA125, CA125 ovarian cancer antigen, CA125MUC-16, FLJ14303, MUC16, cell surface associated, mucin 16, mucin-16 |
| Species | Human |
| Expression Host | HEK293 Cells |
| Sequence | Gly12660-Met12923 |
| Accession | Q8WXI7 |
| Calculated Molecular Weight | 57.3 kDa |
| Observed Molecular Weight | 80-120 kDa |
| Tag | C-Fc-Avi |
| Bio-activity | Not validated for activity |
Properties
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from a 0.2 μm filtered solution of 50 mM Tris-HCl, 100 mM Glycine, pH 7.5. Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | Please refer to the printed manual for detailed information. |
Background
MUC16, also known as the CA125 antigen, is a mucin protein that may be found in type I transmembrane or secreted forms that are used monitor the progress of epithelial ovarian cancer therapy. MUC16 is over-expressed by tumor cells including ovarian and mesothelial cancers. The transmembrane form can adhere to mesothelin in the peritoneum, facilitating metastasis of ovarian cancer to the peritoneal cavity. MUC16 also binds galectin-1 on immune cells and enhances its expression on tumor cells. MUC16-expressing tumors adhere to NK cells, down-regulate CD16 and suppress NK response, which may promote immune evasion. MUC16 is also cyclically expressed in the endometrium and may contribute to immune privilege during pregnancy. In the eye, MUC16 and other mucins protect the cornea and keep it hydrated. It is altered on the conjunctival epithelium of patients with non-Sjogren dry eye syndrome.