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PE/Cyanine7 anti-human CD4 Antibody

Pricing & Availability
Clone
OKT4 (See other available formats)
Regulatory Status
RUO
Workshop
HCDM listed
Other Names
T4
Isotype
Mouse IgG2b, κ
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Product Citations
publications
OKT4_PECy7_060507
Human peripheral blood lymphocytes stained with OKT4 PE/Cyanine7
  • OKT4_PECy7_060507
    Human peripheral blood lymphocytes stained with OKT4 PE/Cyanine7
Compare all formats See PE/Cyanine7 spectral data
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317413 25 tests 123€
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317414 100 tests 249€
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Description

CD4, also known as T4, is a 55 kD single-chain type I transmembrane glycoprotein expressed on most thymocytes, a subset of T cells, and monocytes/macrophages. CD4, a member of the Ig superfamily, recognizes antigens associated with MHC class II molecules and participates in cell-cell interactions, thymic differentiation, and signal transduction. CD4 acts as a primary receptor for HIV, binding to HIV gp120. CD4 has also been shown to interact with IL-16. 

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human, Cynomolgus, Rhesus
Reported Reactivity
Chimpanzee
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Human peripheral T cells
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
Preparation
The antibody was purified by affinity chromatography, and conjugated with PE/Cyanine7 under optimal conditions.
Concentration
Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application

FC - Quality tested
Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.

Excitation Laser
Blue Laser (488 nm)
Green Laser (532 nm)/Yellow-Green Laser (561 nm)
Application Notes

The OKT4 antibody binds to the D3 domain of CD4 and does not block HIV binding. Additional reported applications (for the relevant formats) include: immunohistochemistry of frozen sections and blocking of T cell activation. This clone was tested in-house and does not work on formalin fixed paraffin-embedded (FFPE) tissue. The Ultra-LEAF™ purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 317453 and 317454).

In a small subset of individuals, the OKT4 clone does not bind to CD4 due to polymorphisms in CD4.9

Additional Product Notes
BioLegend is in the process of converting the name PE/Cy7 to PE/Cyanine7. The dye molecule remains the same, so you should expect the same quality and performance from our PE/Cyanine7 products. Please contact Technical Service if you have any questions.
Application References
  1. Knapp W, et al. 1989. Leucocyte Typing IV. Oxford University Press. New York.
  2. Reinherz EL, et al. 1979. Proc. Natl. Acad. Sci. 76:4061.
  3. Kmieciak M, et al. 2009. J. Transl. Med. 7:89. (FC) PubMed
  4. Cicin-Sain L, et al. 2010. J. Immunol. 184:6739. PubMed
  5. Rosenzweig M, et al. 2001. J. Med. Primatol. 30:36.
  6. Linder J, et al. 1987. Am. J. Pathol. 127:1.
  7. Boche D, et al. 1999. J. Neurovirol. 5:232. (IHC)
  8. Reinherz EL, et al. 1979. Proc. Natl. Acad. Sci. USA. 76:4061. (Immunogen)
  9. Lederman S, et al. 1991. Mol Immunol. 28:1171-81.
Product Citations
  1. Spitsin S, et al. 2020. Mol Ther Methods Clin Dev. 17:1088. PubMed
  2. Swadling L, et al. 2020. Cell Rep. 30:687. PubMed
  3. Delacher M, et al. 2021. Immunity. 54(4):702-720.e17. PubMed
  4. Lieberman L, et al. 2016. Neurology. 86: 375 - 381. PubMed
  5. Hinterbrandner M, et al. 2021. JCI Insight. 6:e151797. PubMed
  6. Kubo M, et al. 2018. Oncol Rep. 39:417. PubMed
  7. Soriano-Sarabia N, et al. 2012. J Immunol. 189:5212. PubMed
  8. Konadu K, et al. 2015. J Infect Dis. 211:1712. PubMed
  9. Song C, et al. 2022. Stem Cell Res Ther. 13:48. PubMed
  10. Bellini N, et al. 2022. iScience. 25:105234. PubMed
  11. Della–Torre E, et al. 2018. Arthritis Rheumatol. 70:1133. PubMed
  12. Ma YV, et al. 2021. MAbs. 13:2003281. PubMed
  13. Alkasalias T, et al. 2022. Cell Death Discov. 8:464. PubMed
  14. Wang A, et al. 2020. Front Immunol. 1.213194444. PubMed
  15. Court AC, et al. 2020. EMBO Rep. 21:e48052. PubMed
  16. Lu Y, et al. 2021. Gastroenterology. 161:575. PubMed
  17. , et al. 2021. Eur J Immunol. 51:2708. PubMed
  18. Ellis-Connell AL, et al. 2018. J Virol. 92:e01748. PubMed
  19. Zhu Y, et al. 2019. Cell Stem Cell. 25:542. PubMed
  20. Morimoto Y, et al. 2018. Immunity. 49:134. PubMed
  21. Li YR, et al. 2021. Cell Rep Med. 2:100449. PubMed
  22. Blom L, et al. 2011. PLoS One. 6:e21695. PubMed
  23. Hirata SI, et al. 2020. Allergy. 75:1939. PubMed
  24. Yang B, et al. 2015. Cell Immunol. Available online 12 August 2015. PubMed
  25. Podaza E, et al. 2020. Front Immunol. 11:1147. PubMed
  26. Biswas S, et al. 2022. Nat Commun. 13:2995. PubMed
  27. Coiras M, et al. 2016. Cell Rep. 14:2100-2107. PubMed
  28. Keskin DB, et al. 2019. Nature. 565:234. PubMed
  29. Kuranda K, et al. 2018. J Clin Invest. 128:5267. PubMed
RRID
AB_571958 (BioLegend Cat. No. 317413)
AB_571959 (BioLegend Cat. No. 317414)

Antigen Details

Structure
Ig superfamily, type I transmembrane glycoprotein, 55 kD
Distribution

T cell subset, majority of thymocytes, monocytes/macrophages

Function
MHC class II co-receptor, lymphocyte adhesion, thymic differentiation, HIV receptor
Ligand/Receptor
MHC class II molecules, HIV gp120, IL-16
Cell Type
Macrophages, Monocytes, T cells, Thymocytes, Tregs
Biology Area
Immunology
Molecular Family
CD Molecules
Antigen References

1. Center D, et al. 1996. Immunol. Today 17:476.
2. Gaubin M, et al. 1996. Eur. J. Clin. Chem. Clin. Biochem. 34:723.

Gene ID
920 View all products for this Gene ID
UniProt
View information about CD4 on UniProt.org

Related FAQs

I am unable to see expression of T cell markers such as CD3 and CD4 post activation.
TCR-CD3 complexes on the T-lymphocyte surface are rapidly downregulated upon activation with peptide-MHC complex, superantigen or cross-linking with anti-TCR or anti-CD3 antibodies. PMA/Ionomycin treatment has been shown to downregulate surface CD4 expression. Receptor downregulation is a common biological phenomenon and so make sure that your stimulation treatment is not causing it in your sample type.
Go To Top Version: 4    Revision Date: 07/13/2015

For research use only. Not for diagnostic 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.

 

*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.

 

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This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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