Veri-Cells™ Leukocytes

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RUO
Other Names
Control cells
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Veri-Cells_Leukocytes_1_12212016
Veri-Cells™ Leukocytes were stained with anti-human CD19 (clone HIB19) APC, CD16 (clone 3G8) PE and CD56 (clone HCD56) PE surface markers or CD4 Brilliant Violet 421™ and FoxP3 (clone 206D) PE. Above: Veri-Cells™ Leukocytes scatter pattern. Below: T-cell, B-cell, Natural Killer cell and FoxP3 staining profiles.
  • Veri-Cells_Leukocytes_1_12212016
    Veri-Cells™ Leukocytes were stained with anti-human CD19 (clone HIB19) APC, CD16 (clone 3G8) PE and CD56 (clone HCD56) PE surface markers or CD4 Brilliant Violet 421™ and FoxP3 (clone 206D) PE. Above: Veri-Cells™ Leukocytes scatter pattern. Below: T-cell, B-cell, Natural Killer cell and FoxP3 staining profiles.
  • Veri-Cells_Leukocytes_2_12212016
  • Veri-Cells_Leukocytes_3_12212016
Cat # Size Price Quantity Check Availability Save
426003 10 tests 90€
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426001 25 tests 141€
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426004 50 tests 292€
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426002 100 tests 469€
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Description

The reconstituted lyophilized human leukocytes can be used for immunofluorescent staining and multi-color flow cytometry assays.   The cells can be used as controls for stability studies to avoid donor variability. These cells have been verified to work with commonly tested cell surface markers such as CD3, CD4, CD8, CD19, CD20, CD56/16, CD14, CD25, CD69, HLA-DR, Granzyme B, Perforin, Foxp3, and Helios.

View all 100+ markers verified by LEGENDScreen™.

This product contains human cells, a potentially biohazardous material. Blood used in preparation of these samples was tested and found to be negative, using FDA approved methods, for antibody and nucleic acid testing against Human Immunodeficiency virus (HIV), Hepatitis B and C virus and HTLV (Human T-Lymphotrophic virus I and II), surface antigen for Hepatitis B (HBsAg) virus and syphilis and West Nile Virus. Biological tests are not 100% accurate. Use standard precautions when handling and treat as if the product is capable of transmitting disease. When handling or disposing, follow precautions described in CDC and FDA recommendations and OSHA Bloodborne Pathogen guidelines.

Product Details
Technical Data Sheet (pdf)

Kit Contents

Kit Contents

Cat. No. 426001

  • 1 vial of lyophilized Veri-Cells™Leukocytes (≥ 5 x 106 cells)
  • 1 vial containing 1.5 ml of Veri-Cells™ Buffer A Plus

Cat. No. 426002

  • 4 vials of lyophilized Veri-Cells™ Leukocytes (≥ 5 x 106 cells per vial)
  • 4 vials containing 1.5 ml of Veri-Cells™ Buffer A Plus each

Cat. No. 426003

  • 2 vials of lyophilized Veri-Cells™ Leukocytes (≥ 1 x 106 cells per vial)
  • 1 vial containing 700 µl of Veri-Cells™ Buffer A Plus each

Cat. No. 426004

  • 10 vials of lyophilized Veri-Cells™ Leukocytes (≥ 1 x 106 cells per vial)
  • 5 vial containing 700 µl of Veri-Cells™ Buffer A Plus each
     

Veri-Cells™ Buffer A Plus is an improved version of the original Veri-Cells™ Buffer A to improve staining performance with tandem dyes.

Product Details

Formulation
Cat. Nos. 426003 and 426004: ≥ 1 X 106 lyophilized human peripheral blood leukocytes per vial.
Cat. Nos. 426001 and 426002: ≥ 5 X 106 lyophilized human peripheral blood leukocytes per vial.
Preparation
The Veri-Cells™ Leukocyte Kit is prepared from lyophilized human leukocytes and a vial of Veri-Cells™ Buffer A Plus.
Storage & Handling
Store the kit at 2°C - 8°C upon receipt. Do not open sealed pouch until ready to use. Once reconstituted, the cells may be used for up to five days if properly stored at 2°C - 8°C in the buffer provided. Contact BioLegend Technical Support for information on the current lots.
Application

FC - Quality tested
ICFC - Verified

Recommended Usage

50 µl per 5 test vials (after reconstitution with 325 µl)
50 µl per 25 test vials (after reconstitution with 1.3 ml)

Once reconstituted, let the cells sit for 15 minutes at room temperature prior to staining.

Veri-Cells™ Buffer A Plus may show precipitation over time, however this is normal and does not affect performance of the buffer.

Application Notes

The Veri-Cells™ Leukocytes Kit can be used as a positive control for surface and intracellular immunofluorescent staining and multi-color flow cytometry assays. It can also be used for the detection of intracellular molecules such as Granzyme B, Perforin, Foxp3 and Helios using BioLegend’s Fixation Buffer (Cat. No. 420801) and Intracellular Staining Permeabilization Wash Buffer (10X) (Cat. No. 421002) or the True Nuclear™ Transcription Factor Buffer Set (Cat. No. 424401). For best results, Cell Staining Buffer (Cat. No. 420201) is recommended for any washing steps. Please note, any claims relative to product performance are based on testing with BioLegend reagents and protocols. Deviations from the use of these reagents and procedures have not been assessed and may affect performance.
 

Cell subset

Acceptance Criteria, % of lymphocyte gate

CD3+

55-95

CD4+CD3+

30-65

CD8+CD3+

10-40

CD19+CD3

3-30

CD56+CD16+CD3

3-40

CD14+

2-20

CD15+

50-90


Note on indicated ranges: Percent positive values are based on gates set on unstained cells. The antibodies used for testing were the following: CD56 PE (clone 5.1H11), CD16 PE (clone 3G8), CD19 APC (clone HIB19), CD3 FITC (clone UCHT1), CD4 PE/Cyanine7 (clone RPA-T4), CD8 APC/Cyanine7 (clone RPA-T8), CD14 (clone HCD14) PE/Dazzle™ 594 and CD15 (clone W6D3) Pacific Blue™. Variability in antibodies used, instruments, staining conditions and other factors may influence end-user values. The Certificate of Analysis specific values are provided as a reference. It is recommended that individual laboratories establish its own control values and ranges for each parameter based on laboratory specific conditions and protocols.

Please use our CoA Look-Up Tool to find the expected lot-specific frequencies of certain cell populations included within each lot of Veri-Cells™ Leukocytes. The antibodies used for testing were the following: CD56 PE (clone 5.1H11), CD16 PE (clone 3G8), CD19 APC (clone HIB19), CD3 FITC (clone UCHT1), CD4 PE/Cyanine7 (clone RPA-T4), CD8 APC/Cyanine7 (clone RPA-T8), CD14 PE/Dazzle™ 594 (clone HCD14) and CD15 Pacific Blue™ (clone W6D3). Percent positive is based on gates set on unstained cells. The Certificate of Analysis specific values are provided only as a reference. Variability in antibodies used, instruments, staining conditions and other factors may influence end-user values. It is recommended that individual laboratories establish its own control values and ranges for each parameter based on laboratory specific conditions and protocols.

Additional Product Notes

Veri-Cells™ Buffer A Plus is an improved version of the original Veri-Cells™ Buffer A to improve staining performance with tandem dyes.

Antigen Details

Biology Area
Immunology
Molecular Family
CD Molecules
Gene ID
NA

Related FAQs

Is washing required after staining?

Yes, it is recommended to wash after staining. We recommend using BioLegend's Cell Staining buffer (Cat. No. 420201) for the wash step.

Can the cells be activated after rehydration?
No, they cannot be activated.
Are these cells virus/pathogen free?
These are tested to be free of HIV, HBV, syphilis, and HCV.
Are there any RBCs in Veri-cells™?
There may be a few, but the majority of RBCs are not present in Veri-Cells™ preparations.
Are these cells viable?
No they are not.
Can a constant percentage of each population be expected in each lot?
Yes, within each lot, cell populations remain constant.
Are the cells fixed?

They are treated with our proprietary mixture prior to lyophilization.

Which markers can be stained?

Veri-Cells™ products have been validated against the human LEGENDScreen™ panel. View all the cell markers verified here.

Can they be used to detect intracellular cytokines such as TNF-α or IFN-γ?

For this, use Veri-Cells™ Activated (Cytokine) PBMC which have been activated with Cell Activation Cocktail (with Brefeldin A) containing PMA and Ionomycin. These have been validated to stain positive for activation-induced cytokines including TNF-α and IFN-γ. Veri-Cells™ PBMC and Veri-Cells™ CD4-Low PBMC will not have detectable TNF-α or IFN-γ.

How do we QC these cells?

Each Veri-Cells™ product is tested with a panel of antibodies to ensure expression of these markers falls within the expected range.  For more information regarding the exact markers used for each product, please contact technical service.

Go To Top Version: 7    Revision Date: 09/16/2024

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

BioLegend, the BioLegend logo, and all other trademarks are property of BioLegend, Inc. or their respective owners, and all rights are reserved.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

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