Date published: 2026-4-14

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CD8 Antibody (5F10): sc-70794

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Datasheets
  • CD8 Antibody (5F10) is a mouse monoclonal IgG1, cited in 4 publications, provided at 100 µg/ml
  • raised against CD8 of human origin
  • recommended for detection of CD8 of human origin by IF, IHC(P) and FCM
  • available conjugated to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • See CD8 (32-M4): sc-1177 for CD8 antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for CD8 Antibody (5F10). This work is in progress.
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CD8 Antibody (5F10) is a mouse monoclonal IgG1 antibody that detects CD8 in human samples through applications such as immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and flow cytometry (FCM). CD8 is a crucial cell surface glycoprotein that forms a heterodimer, typically existing as either an alpha-alpha or alpha-beta chain complex, and plays a vital role in the immune response by binding to class I major histocompatibility complex (MHC) molecules presented by antigen-presenting cells. This interaction is essential for the activation of T cytotoxic cells, which are responsible for directly killing infected or cancerous cells. CD8 not only enhances the recognition of antigens by the T cell receptor (TCR) but also strengthens the overall avidity of TCR-antigen interactions, thereby amplifying the immune response. CD8-expressing T cells have been implicated in maintaining low levels of HIV expression, highlighting their importance in both adaptive immunity and viral control. Anti-CD8 antibody (5F10) serves as an invaluable tool for researchers studying T cell dynamics and immune responses in various contexts.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

CD8 Antibody (5F10) References:

  1. Acylglycerol Kinase Maintains Metabolic State and Immune Responses of CD8+ T Cells.  |  Hu, Z., et al. 2019. Cell Metab. 30: 290-302.e5. PMID: 31204281
  2. Metformin keeps CD8+ T cells active and moving in NASH-HCC immunotherapy.  |  Lujambio, A. and Sarobe, P. 2022. J Hepatol. 77: 593-595. PMID: 35714813
  3. CD8+ T regulatory cells in lupus.  |  Singh, RP., et al. 2021. Rheumatol Immunol Res. 2: 147-156. PMID: 35880241
  4. KIR+CD8+ and NKG2A+CD8+ T cells are distinct innate-like populations in humans.  |  Choi, SJ., et al. 2023. Cell Rep. 42: 112236. PMID: 36897779
  5. Direct Involvement of CD8+ T Cells in Retinal Angiogenesis.  |  Bayless, KJ. 2023. Arterioscler Thromb Vasc Biol. 43: 537-539. PMID: 36947606
  6. Landscapes and mechanisms of CD8+ T cell exhaustion in gastrointestinal cancer.  |  Ding, JT., et al. 2023. Front Immunol. 14: 1149622. PMID: 37180158
  7. Strategies to reinvigorate exhausted CD8+ T cells in tumor microenvironment.  |  Guan, Q., et al. 2023. Front Immunol. 14: 1204363. PMID: 37398660
  8. Factors contributing to the potency of CD8+ T cells.  |  Sykulev, Y. 2023. Trends Immunol. 44: 693-700. PMID: 37558570
  9. CD8+ T cell targeting of tumor antigens presented by HLA-E.  |  Iyer, RF., et al. 2024. Sci Adv. 10: eadm7515. PMID: 38728394
  10. Phenotypic and spatial heterogeneity of CD8+ tumour infiltrating lymphocytes.  |  Sun, Y., et al. 2024. Mol Cancer. 23: 193. PMID: 39251981

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CD8 Antibody (5F10)

sc-70794
100 µg/ml
$322.00

CD8 Antibody (5F10) FITC

sc-70794 FITC
100 tests in 2 ml
$336.00

CD8 Antibody (5F10) PE

sc-70794 PE
100 tests in 2 ml
$349.00

Can sc-70794: CD8 (5F10) monoclonal antibody be used to stain formalin-fixed, paraffin-embedded (FFPE) tissue sections?

Asked by: TinTin
Thank you for your question. Yes, sc-70794: CD8 (5F10) is recommended for use in IHC with paraffin-embedded sections. We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Technical Support
Date published: 2017-03-24
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Rated 5 out of 5 by from Produced publishable IHC(P) dataThis antibody was referenced in the primary literature for the use of IHC(P) on human long tissue.
Date published: 2017-01-30
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CD8 Antibody (5F10) is rated 3.5 out of 5 by 2.
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