Biolegend, 480213, Cell-Vive™ GMP MojoSort™ Human CD3 T Cell Isolation Kit
20tests
Catalog Number: 480213
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| Reactivity | Human |
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| Formulation | Cocktail: Phosphate-buffered solution containing 0.5% recombinant HSA and stabilizer Particle: Aqueous solution containing 0.3% recombinant HSA |
| Endotoxin Level | < 0.1 EU/Test (individual components < 5 EU/mL) |
| Capacity | Based on in-house testing, process up to the following total cells per kit: Handheld Magnet Column-Based Cat# 480213 2x108 6.6x108 Cat# 480214 2x109 6.6x109 Note: Each commercially available magnetic cell separation system has a different maximum labeled cell number that can be processed in a single reaction. To avoid overloading or clogging, confirm the system capacity. If additional cells are needed, consider running multiple separation reactions and pooling target fractions to reach desired cell recovery. |
| Preparation | Serum-free antibodies were purified by affinity chromatography and conjugated with biotin under optimal conditions in a GMP facility. Magnetic nanobeads were conjugated to streptavidin under optimized conditions in a GMP facility. Contains no preservatives. |
| Storage & Handling | Undiluted at 4°C (2°C-8°C) |
| Application | Cell Separation (MojoSort™) - Quality tested |
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| Recommended Usage |
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| 10 μl of Biotin-Antibody Cocktail for 1 x 107 PBMCs in 100 μl separation buffer. 10 μl of Streptavidin Nanobeads for 1 x 107 PBMCs in 100 μl separation buffer. Antibody or cocktail dilution to use in column: 3.3x Nanobead dilution to use in column: 4x |
| Application Notes | This kit is optimized for the negative isolation of CD3+ T cells from human peripheral blood mononuclear cells (PBMCs). Alternate sources of cell suspensions may require protocol optimization. Recommended protocol for negative isolation of CD3+ T cells from human PBMCs Use sterile consumables and work in a biosafety cabinet. To maintain cell viability and reduce non-specific binding, work quickly, keep cells cold, and use pre-chilled separation buffer kept on ice throughout the procedure. Isolate PBMCs using density gradient centrifugation. If working with another tissue, prepare a single cell suspension according to standard protocols. Excess dead or red blood cells may increase non-specific binding and removal prior to separation may increase performance. Filter the cell suspension with a sterile 40µm nylon cell strainer for optimal performance. Separator Protocol This procedure is optimized at 1 x 107 cells/test. When working with more cells, optimize the conditions to your specific cell number and tissue for best results. Resuspend cells at 1 x 108 cells/mL with Cell-Vive™ CD Cell Separation Buffer, GMP (Cat# 420512) or other commercially available separation buffer. Aliquot 100 µL (107 cells) into appropriate tube. Optional: Reserve an aliquot of unseparated cells as a control. Scale up to 2 mL (2 x 108 cells) in 12 x 75 mm (5 mL) polypropylene tube for 5 mL magnet (Cat# 480019). Scale up to 10 mL (1 x 109 cells) in 17 x 100 mm (14 mL) polypropylene tube for 14 mL magnet (Cat# 480020). Add 10 μL of the biotin-antibody cocktail per 107 cells. Immediately, gently mix well to fully incorporate, and incubate on ice for 15 minutes. Resuspend the streptavidin nanobeads well by vortexing at maximum speed, at least 5 touches. Add 10 µL of streptavidin nanobeads per 107 cells. Immediately, mix well to fully incorporate, and incubate on ice for 15 minutes. Add separation buffer up to indicated volume. Mix well by pipetting to fully incorporate. 3.5 mL for separating ≤ 2 x 108 cells using the 5 mL magnet. 5 mL for separating ≤ 5 x 108 cells, or 10 mL for separating 5 x 108 - 1 x 109 cells, using the 14 mL magnet. Place the tube in the MojoSort™ magnet to perform separation. 5 minutes separation time for 5 mL magnet. 10 minutes separation time for 14 mL magnet. Carefully, pour out the unlabeled fraction into a collection tube. If these are your cells of interest, do not discard, place tube on ice. Remove tube containing magnetically labeled fraction from the magnet, do not discard. Repeat steps 5-7 on the magnetically labeled fraction for a total of 2 separations for optimal purity. Pool the unlabeled negative fractions and keep the labeled cells for downstream applications. The fraction that is not of interest may be useful as staining controls, to monitor purity/yield, or other purposes. Column Protocol Prepare biotin-antibody cocktail and streptavidin nanobeads at dilutions recommended for column use found on the TDS. Vortex streptavidin nanobeads well at maximum speed to resuspend before diluting with Cell-Vive™ CD Cell Separation Buffer, GMP (Cat# 420512) or other commercially available separation buffer. Cat# 480213/480214 recommended antibody cocktail dilution to use on columns: 3.3x. Recommended streptavidin nanobead dilution to use on columns: 4x There are several types of commercially available columns, depending on your application. Choose the one that best fits your experiment. Column cell capacity is dependent on column volume, target cell abundance, type, and size. Protocols should be optimized empirically for use on different column systems. Resuspend cells at 1 x 108 cells/mL with separation buffer. Optional: Filter cell suspension through a 40 µm filter before addition to column for best results. Aliquot 100 µL (107 cells) into appropriate tube. Optional: Reserve an aliquot of unseparated cells as a control. Note: Scale up volumes for larger cell numbers dependent on column capacity. For example, add 100 µL nanobeads for 1 x 108 cells (equivalent to 10 tests at 1 x 107 cells/test) in 1 mL separation buffer. Add 10 µL of the diluted biotin-antibody cocktail per 107 cells. Immediately, mix well to fully incorporate, and incubate on ice for 15 minutes. Resuspend the diluted streptavidin nanobeads well by vortexing at maximum speed, at least 5 touches. Add 10 µL of streptavidin nanobeads per 107 cells. Immediately, mix well to fully incorporate, and incubate on ice for 15 minutes. Resuspend well in 1 mL separation buffer by pipetting and place on ice. Note: We recommend a maximum cell density of 1 x 108 million cells/mL of buffer (equivalent to 10 tests/mL of buffer) for column loading. A lower cell density may improve recovery. Users may need to optimize cell loading density. If working with larger cell sample volumes, sample may need to be loaded on multiple columns and pooled after separation. Prepare the column by placing in the appropriate corresponding magnetic separator and rinsing with 3 mL separation buffer. Discard the flow through. Place an appropriate tube below the column to collect the negative fraction. Apply the cell suspension to the column and collect the flow-through containing the unlabeled cells. If these are the cells of interest, do not discard. Optional: Filter cell suspension through a sterile 40 µm filter before addition to column. Wash the column with 3 mL separation buffer. Collect the flow-through containing the unlabeled cells and pool with unlabeled fraction collected at step 7. If these are the cells of interest, do not discard. Place tube containing unlabeled cells on ice. Remove the column from the magnet and place it in a collection tube. Allow the column to demagnetize for 1-2 minutes. Add 5 mL separation buffer to the column reservoir and flush the magnetically labeled fraction into the collection tube with a plunger or supplied device. This contains the magnetically labeled cells, this fraction may be useful as controls, to monitor purity/yield, or other purposes. |
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| Disclaimer | BioLegend Cell-Vive™ GMP MojoSort™ cell separation tools are for research use only. Suitable for ex vivo cell processing use. Not for use in diagnostic or therapeutic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products. |
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| Gene ID | NA |
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| UniProt | View information about CD3 on UniProt.org |
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