Ranibizumab antibody | AbD29865
A microtiter plate was coated overnight with various antigens at a concentration of 5 μg/ml. After washing and blocking with PBST+5% BSA, detection was performed using Human Anti-Ranibizumab Antibody, clone AbD29865 (HCA307) at a concentration of 2 μg/ml and a rat anti-DYKDDDDK-tag antibody in HISPEC Assay Diluent (BUF049A) followed by QuantaBlu Fluorogenic Peroxidase Substrate.
A microtiter plate was coated overnight with recombinant human VEGF-A (PHP293), ranibizumab or human Fab VH3-23/kappa1 at a concentration of 5 µg/ml. After washing and blocking with PBST+5% BSA, the human VEGF-A/ranibizumab complex was formed by adding 2 µg/ml ranibizumab to the wells coated with VEGF-A. Detection was performed using Human Anti-Ranibizumab Antibody, clone AbD29865 (HCA307) titrated to the given concentrations and a rat anti-DYKDDDDK-tag antibody in HISPEC Assay Diluent (BUF049A) followed by QuantaBlu Fluorogenic Peroxidase Substrate. Data are shown as the mean of three measurements.
A microtiter plate was coated overnight with recombinant human VEGF-A (PHP293) at a concentration of 5 µg/ml. After washing and blocking with PBST+5% BSA, 10% human serum was added spiked with increasing concentrations of ranibizumab. Detection was performed using Human Anti-Ranibizumab Antibody, clone AbD29865 (HCA307) at a concentration of 2 µg/ml and a rat anti-DYKDDDDK-tag antibody in HISPEC Assay Diluent (BUF049A) followed by QuantaBlu Fluorogenic Peroxidase Substrate. Data are shown as the mean of three measurements.
Filter by Application:
E ResetHuman anti Ranibizumab
- Product Type
- Monoclonal Antibody
- Clone
- AbD29865
- Isotype
- HuCAL Fab monovalent
- Specificity
- Ranibizumab
Antibody Quality and Performance Guarantee
| Human Anti-Ranibizumab Antibody, clone AbD29865 is a non-inhibitory anti-idiotypic antibody that specifically recognizes the monoclonal antibody drug ranibizumab or ranibizumab when in complex with recombinant human vascular endothelial growth factor A (VEGF-A). It can be used to measure free ranibizumab and biosimilars in patient samples. Clone AbD29865 is a monovalent Fab format antibody that can be used to develop a pharmacokinetic (PK) antigen capture assay to measure free ranibizumab captured via immobilized VEGF-A. This antibody also recognizes bevacizumab or bevacizumab in complex with human VEGF-A. Ranibizumab (Lucentis) is a humanized Fab fragment antibody (VH3-23/kappa1), originating from the same parental mouse antibody as bevacizumab (Avastin); it has 4 amino acid exchanges in the heavy chain and 1 amino acid exchange in the light chain compared to bevacizumab. Ranibizumab was first approved to treat wet age-related macular degeneration (AMD), a common form of age-related vision loss. It is also approved for the treatment of macular edema following retinal vein occlusion, diabetic macular edema, and diabetic retinopathy. Ranibizumab inhibits angiogenesis by binding to VEGF-A, blocking its interaction with VEGF receptors on the surface of endothelial cells, and thus preventing the subsequent growth of new blood vessels. View a summary of all anti-ranibizumab antibodies |
- Product Form
- A monovalent human recombinant Fab (lambda light chain) selected from the HuCAL phage display library, expressed in E. coli The antibody is tagged with a DYKDDDDK tag and a HIS-tag (HHHHHH) at the C-terminus of the antibody heavy chain. This antibody is supplied as a liquid.
- Preparation
- Metal chelate affinity chromatography
- Source
- E.coli
- Buffer Solution
- Phosphate buffered saline
- Preservative Stabilisers
- 0.09% Sodium Azide (NaN3)
- Immunogen
- Ranibizumab
- Affinity
- The intrinsic affinity of the monovalent form of Human anti Ranibizumab antibody, clone AbD29865 is KD= 5 nM as measured by real time, label-free molecular interaction analysis on immobilized VEGF-A/ranibizumab complex.
- Approx. Protein Concentrations
- Antibody concentration 0.5 mg/ml
- Regulatory
- For research purposes only
- Guarantee
- 12 months from date of despatch
- Acknowledgements
- This product and/or its use is covered by claims of U.S. patents, and/or pending U.S. and non-U.S. patent applications owned by or under license to Bio-Rad Laboratories, Inc. See bio-rad.com/en-us/trademarks for details.
Lucentis is a trademark of Genentech.
His-tag is a trademark of EMD Biosciences.
This product is shipped at ambient temperature. It is recommended to aliquot and store at -20°C on receipt. When thawed, aliquot the sample as needed. Keep aliquots at 2-8°C for short term use (up to 4 weeks) and store the remaining aliquots at -20°C.
Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.
Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.
This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
| Application Name | Verified | Min Dilution | Max Dilution |
|---|---|---|---|
| ELISA |  |
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.
- Technical Advice
- Recommended protocols and further information about HuCAL recombinant antibody technology can be found in the HuCAL Antibodies Technical Manual.
- ELISA
- Human anti Ranibizumab antibody, clone AbD29865 can be used in a direct or indirect ELISA on Ranibizumab or as a detection reagent for free Ranibizumab captured via immobilized VEGF-A.
Protocol: PK antigen capture ELISA to measure free drug .
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- Synonyms
- Lucentis
- Licensed Use
- For in vitro research purposes and for commercial applications for the provision of in vitro testing services to support preclinical and clinical drug development. Any re-sale in any form or any other commercial application needs a written agreement with Bio-Rad.
HCA307
1805
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