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抗体来源（Source）
Monoclonal Anti-DXD&Exatecan Antibody, Mouse IgG1 is a Mouse monoclonal antibody recombinantly expressed from HEK293 cells.
种属（Species）
Mouse
亚型（Isotype）
Mouse IgG1 | Mouse Kappa
偶联（Conjugate）
Unconjugated
抗体类型（Antibody Type）
Recombinant Monoclonal
种属反应性（Reactivity）
Chemical
免疫原（Immunogen）
DXD.
特异性（Specificity）
Specifically recognizes the target-DXD.
应用（Application）
| Application | Recommended Usage |
| ELISA | 0.1-125 ng/mL |
纯度（Purity）
>90% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
纯化（Purification）
Protein A purified / Protein G purified
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
交叉验证（Cross Verification）
This product No cross-reactivity in ELISA with
Sacituzumab Govitecam. Disitamab Vedotin (RC48). Trastuzumab-DM1.
产品数据图
电泳（SDS-PAGE）
Monoclonal Anti-DXD&Exatecan Antibody, Mouse IgG1 on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Monoclonal Anti-DXD&Exatecan Antibody, Mouse IgG1 (Cat. No. DXD-M684) is more than 90% and the molecular weight of this protein is around 135-160 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Trastuzumab Deruxtecan at 1 μg/mL (100 μL/well) can bind Monoclonal Anti-DXD&Exatecan Antibody, Mouse IgG1 (Cat. No. DXD-M684) with a linear range of 0.1-4 ng/mL (QC tested).
Protocol
Immobilized ADC-DXD at 1 μg/mL (100 μL/well) can bind Mouse Anti-DXD&Exatecan Antibody, Mouse IgG1, mAb (Cat. No. DXD-M684) with a linear range of 0.1-4 ng/mL (Routinely tested).
Protocol
Immobilized Mouse Anti-DXD&Exatecan Antibody, Mouse IgG1, mAb (Cat. No. DXD-M684) at 1 μg/mL, add Trastuzumab deruxtecan in the 50% Human serum and then add Biotinylated Human Her2, His,Avitag, premium grade (Cat. No. HE2-H82E2) at 0.5 μg/mL. Detection was performed using HRP-conjugated Streptavidin (Acro, Cat. No. STN-NH913) (Routinely tested).
Protocol
Serial dilutions of DXD were added into Trastuzumab deruxtecan: Monoclonal Anti-DXD&Exatecan Antibody, Mouse IgG1 (Cat. No. DXD-M684) binding reactions. The half maximal inhibitory concentration (IC50) is 0.1534 μg/mL (Routinely tested).
Protocol
活性（Bioactivity）-SPR
Trastuzumab-Exatcan immobilized on CM5 Chip can bind Monoclonal Anti-DXD&Exatecan Antibody, Mouse IgG1 (Cat. No. DXD-M684) with an affinity constant of 5.87 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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背景
Dxd (Exatecan ADC derivative) is a potent DNA topoisomerase I inhibitor with an IC50 of 0.31 uM for targeting ADCs (DS-8201A). Dxd was cytotoxic to human tumor cell lines KPL-4, NCI-N87 and SK-BR, 3 and the IC50s of MDA-MB-468 was 1.43 NM-4.07 nM, while lgGADC (Dxd as payload) had no inhibitory effect on HER2 expression in the 4 cell lines. DS8201a (Dxd as payload) had a significant inhibitory effect on HER2-positive KPL-4 and NCI cell lines N87 and SK-BRwith IC50 values of 26.8, 25.4 and 6.7 ng/mL, respectively, but had no inhibitory effect on MDA MB-468 (IC50, > 10000 - mL). HRP-anti-DXD-antibody is a conjugation product of HRP and anti-DXD-antibody. It can be used in PK, PD analysis and ELISA.
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