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- Genetically modified cell lines best reflect MOA (Mechanism of Action)
- Higher activity and larger assay window for robust and reproducible cell-based bioassay
- Comprehensive application data to support assay development and validation
- Full tracible record, stringent quality control and validated cell passage stability
- Parental cell line legally obtained from internationally recognized cell resource bank and commercially licensed
- Global commercial license assistance whenever regulatory filing is required
描述（Description）
The Human CD64 (Luc) Jurkat Reporter Cell was engineered to not only express the NFAT response element driving luciferase expressing systems, but also express the receptor human CD64 (Gene ID: 2209), which can use to evaluate ADCP activity of antibodies in the presence of corresponding target cells. When co-cultured with a target cell and relevant antibody, the antibody simultaneously binds the target cell antigen and CD64 receptor on the surface of Human CD64 (Luc) Jurkat Reporter Cell, resulting in receptor clustering, intracellular signaling and NFAT-mediated luminescence.
应用说明（Application）
• Determination of ADCP activity induced by antibodies
生长特性（Growth Properties）
Suspension
筛选标记（Selection Marker）
Puromycin (5 μg/mL) + Hygromycin (20 μg/mL)
培养基（Complete Growth Medium）
RPMI-1640 + 10% FBS
冻存液（Freeze Medium）
Serum-free cell cryopreservation medium
装量（Quantity）
1 vial contains at least 5×10^6 cells in 1 mL serum-free cryopreservation medium
存储（Storage）
Frozen in liquid nitrogen.
支原体检测（Mycoplasma Testing）
Negative
无菌检测（Sterility Testing）
Negative
使用说明（Instructions for Use）
See data sheet for detailed culturing and assay protocol.
产品数据图
Receptor Assay
Expression analysis of human CD64 on Human CD64 (Luc) Jurkat Reporter Cell by FACS.
Human CD64 (Luc) Jurkat Reporter Cell or negative control cell were stained with PE-labeled anti-human CD64 antibody.
Protocol
Application
ADCP response to anti-human CD20 antibody (RLU).
Anti-human CD20 antibody-induced ADCP activity was evaluated using Human CD64 (Luc) Jurkat Reporter Cell in the presence of Raji cells that express CD20 endogenously. The EC50 of anti-human CD20 antibody was approximately 0.0021 μg/mL.
Protocol
ADCP response to anti-human CD20 antibody (FOLD).
Anti-human CD20 antibody-induced ADCP activity was evaluated using Human CD64 (Luc) Jurkat Reporter Cell in the presence of Raji cells that express CD20 endogenously. The max induction fold was approximately 667.
Protocol
Passage Stability
Passage stability analysis by Signaling Bioassay.
The continuously growing Human CD64 (Luc) Jurkat Reporter Cell was stimulated with serial dilutions of anti-human CD20 antibody in the presence of Raji cells that express CD20 endogenously. Anti-human CD20 antibody stimulated response demonstrates passage stabilization (fold induction and EC50) across passage 7-32.
Protocol
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背景
Fcγ receptors (FcγRs), the largest group of FcRs, bind IgG and comprise several subtypes. FcγRI (CD64), a high-affinity receptor that binds monomeric uncomplexed IgG molecules. FcγRI saturation by endogenous circulating IgGs in vivo may attenuate its role in mediating antibody function.
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