Mfg Part Number
Ab03461-10.0
Vector Labs Ab03461-10.0 Anti-Tissue factor [D3H44], Human IgG1, kappa (100 μg)
Quick Overview
The original antibody was generated by grafting CDRs of parental murine antibody D3 onto human framework regions. Using computer graphics model of the murine D3 heavy and light chain sequences several amino acid residues in the CDRs as well as framework region of light and heavy chains were altered using site-directed mutagenesis in order to optimize antigen binding.
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| Product Class: | Purified |
|---|---|
| Clone ID: | D3H44 |
| Synonyms: | CD142; TF; hTF; F3; Coagulation factor III; Thromboplastin; platelet tissue factor; factor III; D3 |
| Amount: | 100 μg |
| Application Codes Clone: | ELISA; WB; IF; Neutralize; functional assay |
| Shipping Temperature: | Wet Ice |
| Buffer Composition: | PBS with 0.02% Proclin 300. |
| Original Format: | Fab |
| Storage Temperature: | Store at 4⁰C for up to 3 months. For longer storage, aliquot and store at -20⁰C. |
| Chimeric Use Statement: | This reformatted human antibody was made using the variable domain sequences of the original Human Fab format for improved compatibility with existing reagents assays and techniques. |
| Specificity Statement: | This antibody binds human tissue factor (TF) a hemostatic protein which is involved in the extrinsic pathway of coagulation. TF is receptor for circulating serine protease factor VIIa, activating the catalytic VIIa protease domain. The complex formed functions to activate the zymogen factor X into activated factor Xa, which then catalyzes the formation of Prothrombin to Thrombin. The pathways results in a fibrin clot which acts to stop bleeding. TF plays a role in normal hemostasis by initiating the cell-surface assembly and propagation of the coagulation protease cascade. |
| Application Notes: | This antibody is the humanized and affinity matured version of murine antibody D3. This antibody binds human tissue factor with a 100-fold increased affinity (KD 0.1 nM.) as compared to the original murine and chimeric versions. In vitro, D3H44 displays potent inhibition of plasma clotting, prevents FXa activation through the TF/FVIIa pathway (IC50 = 47 pM) and prevents fibrin deposition in a human ex-vivo thrombosis model (IC50 = 37 nM.) (PMID: 11307801). In vivo studies with this antibody demonstrated efficient antithrombotic activity. Anti-TF antibodies may prove useful in cardiovascular disorders and cancer, given the role of TF in these diseases (PMID: 15379713). This antibody was used in the immunofluorescence staining of tissue factor expressed on the surface of SW480 colon cancer cells. Fibrin formation was observed in plasma after 200 secs (PMID: 30462538). |
| Brand | Vector Labs |
|---|---|
| UNSPSC | 12161500 |