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FITC anti-human CD8 Antibody

Pricing & Availability
Clone
SK1 (See other available formats)
Regulatory Status
RUO
Other Names
T8, Leu2
Isotype
Mouse IgG1, κ
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Product Citations
publications
SK1_FITC_092409
Human peripheral blood lymphocytes stained with SK1 FITC
  • SK1_FITC_092409
    Human peripheral blood lymphocytes stained with SK1 FITC
Compare all formats See FITC spectral data
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344703 25 tests 97€
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344704 100 tests 194€
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Description

CD8a is a 32-34 kD type I glycoprotein. It forms a homodimer (CD8a/a) or heterodimer (CD8a/b) with CD8b. CD8, also known as T8 and Leu2, is a member of the immunoglobulin superfamily found on the majority of thymocytes, a subset of peripheral blood T cells, and NK cells (which express almost exclusively CD8a homodimers). CD8 acts as a co-receptor with MHC class I-restricted T cell receptors in antigen recognition and T cell activation and has been shown to play a role in thymic differentiation. Two domains in CD8a are important for function: the extracellular IgSF domain binds the α3 domain of MHC class I and the cytoplasmic CXCP motif binds the tyrosine kinase p56 Lck.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human, Cynomolgus, Rhesus
Reported Reactivity
African Green, Chimpanzee, Pigtailed Macaque, Sooty Mangabey
Antibody Type
Monoclonal
Host Species
Mouse
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 FITC 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)
Application Notes

Clone SK1 recognizes the a chain of CD8. Additional reported applications (for the relevant formats) include: proteogenomics8, immunohistochemistry of acetone-fixed frozen tissue sections, and spatial biology (IBEX)9,10. This clone was tested in-house and does not demonstrate utility for formalin-fixed paraffin-embedded (FFPE) human tonsil sections.

Application References
  1. Ledbetter JA, et al. 1981. J. Exp. Med. 153:310.
  2. Campanelli R, et al. 2002. Intl. Immunol. 14:39.
  3. Evans RL, et al. 1981. Immunol. 78:544.
  4. Wooldridge L, et al. 2005. J. Bio. Chem. 280:27491.
  5. Ch'el IL, et al. 2011. J Exp Med. 208:633. PubMed
  6. Carbone A, et al. 1999. Blood 93:2319. (IHC-F)
  7. Ahmed A, et al. 2001. J. Pathol. 193:383. (IHC)
  8. Peterson VM, et al. 2017. Nat. Biotechnol. 35:936. (PG)
  9. Radtke AJ, et al. 2020. Proc Natl Acad Sci USA. 117:33455-33465. (SB) PubMed
  10. Radtke AJ, et al. 2022. Nat Protoc. 17:378-401. (SB) PubMed
Product Citations
  1. Ajith A, et al. 2021. Front Immunol. 12:687715. PubMed
  2. Shao L, et al. 2021. Cell Death Discov. 7:145. PubMed
  3. Hagel J, et al. 2021. J Immunol. 206:3073. PubMed
  4. Woan KV, et al. 2021. Cell Stem Cell. 28:2062. PubMed
  5. Anadon CM, et al. 2022. Cancer Cell. 40:545. PubMed
  6. Saber MM, et al. 2022. J Immunol Res. 2022:7219207. PubMed
  7. Le Y, et al. 2022. iScience. 25:105426. PubMed
  8. Liu C, et al. 2022. Front Immunol. 13:1039631. PubMed
  9. Peng W, et al. 2023. Cells. 12: . PubMed
  10. Zhang B, et al. 2023. Signal Transduct Target Ther. 8:28. PubMed
  11. Liao Y, et al. 2023. Am J Transl Res. 15:817. PubMed
  12. Genolet R, et al. 2023. Cell Rep Methods. 3:100459. PubMed
  13. Miao L, et al. 2020. Theranostics. 0.7625. PubMed
  14. Wang F, et al. 2018. Oncogenesis. 7:41. PubMed
  15. Mastelic-Gavillet B, et al. 2019. J Immunother Cancer. 7:257. PubMed
  16. Hess NJ, et al. 2020. J Immunol. 205:272. PubMed
  17. Wang Z, et al. 2019. Cell Mol Life Sci. :. PubMed
  18. Zuazo M, et al. 2019. EMBO Mol Med. 11(7). PubMed
  19. Guo J, et al. 2022. Front Cell Dev Biol. 9:775599. PubMed
  20. Wu W, et al. 2020. Oncol Lett. 0.91875. PubMed
  21. Sun B, et al. 2019. Cancer Immunol Res. 1.550694444. PubMed
  22. Zhang B, et al. 2021. Nat Biomed Eng. 5:1288. PubMed
  23. Gullà A, et al. 2021. Cancer Discov. . PubMed
  24. Cheng B, et al. 2022. Cancer Commun (Lond). 42:17. PubMed
  25. Su X, et al. 2022. J Transl Med. 20:378. PubMed
  26. Lou Q, et al. 2019. J Immunother Cancer. 7:210. PubMed
  27. Dai Z, et al. 2022. Signal Transduct Target Ther. 7:85. PubMed
  28. Xu C, et al. 2020. Methods Mol Biol. 2108:159. PubMed
  29. Gannon PO, et al. 2020. Cytotherapy. 22(12):780-791. PubMed
  30. Leng T, et al. 2019. Cell Rep. 28:3077. PubMed
  31. Martínez-Fábregas J, et al. 2020. Cell Rep. 33:108545. PubMed
  32. Prota G, et al. 2020. Cancer Immunol Res. 8:685. PubMed
  33. Weiss R, et al. 2021. Cells. 10:. PubMed
  34. FitzPatrick MEB, et al. 2021. Cell Rep. 34:108661. PubMed
  35. Sam J, et al. 2020. Front Oncol. 10:575737. PubMed
  36. Barresi V, et al. 2020. J Clin Med. 9:00. PubMed
  37. Lu C, et al. 2020. Cancer Cell. 39(1):96-108.e6. PubMed
  38. Méndez-Lagares G, et al. 2021. J Clin Invest. 131:e148542. PubMed
  39. Gullà A, et al. 2021. Cancer Discov. 2:468. PubMed
  40. Hu Q, et al. 2021. Nat Biomed Eng. 5:1038. PubMed
  41. Loo Yau H, et al. 2021. STAR Protocols. 2(2):100549. PubMed
  42. Han P, et al. 2020. Sci Adv. 6:eaaz1580. PubMed
  43. Vanoni G, et al. 2021. eLife. 10:00. PubMed
  44. Goc J, et al. 2021. Cell. 184:5015. PubMed
  45. Li B, et al. 2019. Oncogenesis. 8:17. PubMed
RRID
AB_1877178 (BioLegend Cat. No. 344703)
AB_1877178 (BioLegend Cat. No. 344704)

Antigen Details

Structure
Ig superfamily, homodimer or heterodimer with CD8b, 32-34 kD
Distribution

Majority of thymocytes, T cell subset, NK cells

Function
MHC class I co-receptor, thymic differentiation, T cell activation
Ligand/Receptor
MHC Class I molecules
Cell Type
NK cells, T cells, Thymocytes
Biology Area
Immunology
Molecular Family
CD Molecules
Antigen References

1. Barclay N, et al. 1993. The Leucocyte Antigen FactsBook. Academic Press Inc. San Diego.

Gene ID
925 View all products for this Gene ID
UniProt
View information about CD8 on UniProt.org

Related FAQs

There are no FAQs for this product.

Other Formats

View All CD8 Reagents Request Custom Conjugation
Description Clone Applications
Alexa Fluor® 647 anti-human CD8 SK1 FC
Brilliant Violet 650™ anti-human CD8 SK1 FC
Purified anti-human CD8 SK1 FC,IHC-F
FITC anti-human CD8 SK1 FC
PE anti-human CD8 SK1 FC
PerCP anti-human CD8 SK1 FC
PerCP/Cyanine5.5 anti-human CD8 SK1 FC
PE/Cyanine7 anti-human CD8 SK1 FC
APC/Cyanine7 anti-human CD8 SK1 FC
Alexa Fluor® 488 anti-human CD8 SK1 FC,SB
Pacific Blue™ anti-human CD8 SK1 FC
Biotin anti-human CD8 SK1 FC
APC anti-human CD8 SK1 FC
Alexa Fluor® 700 anti-human CD8 SK1 FC
Purified anti-human CD8 (Maxpar® Ready) SK1 FC,CyTOF®
Brilliant Violet 510™ anti-human CD8 SK1 FC
Brilliant Violet 711™ anti-human CD8 SK1 FC
Brilliant Violet 785™ anti-human CD8 SK1 FC
Brilliant Violet 605™ anti-human CD8 SK1 FC
PE/Dazzle™ 594 anti-human CD8 SK1 FC
PE anti-human CD8 SK1 FC
APC/Fire™ 750 anti-human CD8 SK1 FC
APC anti-human CD8 SK1 FC
Brilliant Violet 421™ anti-human CD8 SK1 FC
Pacific Blue™ anti-human CD8 SK1 FC
TotalSeq™-A0046 anti-human CD8 SK1 PG
TotalSeq™-C0046 anti-human CD8 SK1 PG
Brilliant Violet 750™ anti-human CD8 SK1 FC
TotalSeq™-B0046 anti-human CD8 SK1 PG
Spark Blue™ 550 anti-human CD8 SK1 FC
PE/Cyanine7 anti-human CD8 SK1 FC
FITC anti-human CD8 SK1 FC
APC/Fire™ 810 anti-human CD8 SK1 FC
PE/Fire™ 640 anti-human CD8 SK1 FC
PE/Fire™ 700 anti-human CD8 SK1 FC
PerCP anti-human CD8 SK1 FC
PerCP/Cyanine5.5 anti-human CD8 SK1 FC
TotalSeq™-D0046 anti-human CD8 SK1 PG
APC/Fire™ 750 anti-human CD8 SK1 FC
GMP APC anti-human CD8 SK1 FC
PE/Cyanine5 anti-human CD8 Antibody SK1 FC
Spark UV™ 387 anti-human CD8 SK1 FC
GMP PE anti-human CD8 SK1 FC
GMP PE/Cyanine7 anti-human CD8 SK1 FC
Spark NIR™ 685 anti-human CD8 SK1 FC
KIRAVIA Blue 520™ anti-human CD8 SK1 FC
GMP FITC anti-human CD8 SK1 FC
GMP Pacific Blue™ anti-human CD8 SK1 FC
GMP PerCP anti-human CD8 SK1 FC
Spark Violet™ 500 anti-human CD8 SK1 FC
GMP APC/Fire™ 750 anti-human CD8 SK1 FC
GMP PerCP/Cyanine 5.5 anti-human CD8 SK1 FC
Alexa Fluor® 660 anti-human CD8a SK1 FC
Spark Blue™ 515 anti-human CD8 SK1 FC
Spark Blue™ 574 anti-human CD8 SK1 FC
Spark Violet™ 538 anti-human CD8 SK1 FC
PE/Fire™ 810 anti-human CD8 SK1 FC
Spark YG™ 593 anti-human CD8 SK1 FC
Go To Top Version: 4    Revision Date: 07/13/2015

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.

 

8999 BioLegend Way, San Diego, CA 92121 www.biolegend.com
Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

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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