Mouse CD8 ELISA Kit (Colorimetric)

Images

 
ELISA: Mouse CD8 ELISA Kit (Colorimetric) [NBP2-78729] - Standard Curve Reference

Product Details

Summary
Reactivity MuSpecies Glossary
Applications ELISA
Suitable Sample Type
Serum, plasma and other biological fluids.
Standard Curve Range
1.25 - 80 ng/mL
Sensitivity
0.75 ng/mL

Order Details

Mouse CD8 ELISA Kit (Colorimetric) Summary

Specificity
Mouse CD8 ELISA Kit (Colorimetric) recognizes Mouse CD8 in samples. No significant cross-reactivity or interference between Mouse CD8 and analogues was observed.
Standard Curve Range
1.25 - 80 ng/mL
Sensitivity
0.75 ng/mL
Assay Type
Sandwich-ELISA
Inter-Assay
CV% < 4.59%
Intra-Assay
CV% < 4.79%
Spike Recovery
85-109%
Sample Volume
100 uL
Kit Type
ELISA Kit (Colorimetric)
Gene
CD8A

Applications/Dilutions

Dilutions
  • ELISA

Packaging, Storage & Formulations

Storage
Storage of components varies. See protocol for specific instructions.

Kit Components

Components
  1. Biotinylated Detection Ab Diluent
  2. Certificate of Analysis
  3. Concentrated (100X) Biotinylated Detection Ab
  4. Concentrated (100X) HRP Conjugate
  5. Concentrated (25X) Wash Buffer
  6. HRP Conjugate Diluent
  7. Micro ELISA Plate (Dismountable)
  8. Plate Sealer
  9. Product Description
  10. Reference Standard & Sample Diluent
  11. Reference Standard
  12. Stop Solution
  13. Substrate Reagent

Alternate Names for Mouse CD8 ELISA Kit (Colorimetric)

  • CD_antigen: CD8a
  • CD8 antigen, alpha polypeptide (p32)
  • CD8
  • CD8a molecule
  • CD8A
  • Leu2 T-lymphocyte antigen
  • LEU2
  • MAL
  • OKT8 T-cell antigen
  • p32
  • T cell co-receptor
  • T8 T-cell antigen
  • T-cell antigen Leu2
  • T-cell surface glycoprotein CD8 alpha chain
  • T-lymphocyte differentiation antigen T8/Leu-2

Background

CD8, also known as Leu-2 or T8 in human and Lyt2 or Lyt3 in mouse, is a cell surface glycoprotein belonging to the immunoglobulin supergene family (1, 2). CD8 is expressed on cytotoxic T-lymphocytes (T-cells), most thymocytes, between 35-45% of peripheral blood lymphocytes, and a population of natural killer (NK) cells (1, 2). The CD8 molecule consists of disulfide-linked alpha (alpha) and beta (beta) chains that present on T-cells as either CD8alphaalpha homodimers or CD8alphabeta heterodimers (1, 3). Both alpha and beta chains consist of a signaling sequence, an extracellular Ig-like domain, a membrane proximal stalk region, a transmembrane domain, and a cytoplasmic tail (3). Human CD8alpha is processed as 235 amino acids (aa) in length with a theoretical molecular weight of ~26 kDa, while mouse CD8alpha is 247 aa and has a theoretical molecular weight of 27.5 kDa (4, 5). Functionally, CD8 acts as an antigen coreceptor on cytotoxic T-cells and interacts with the major histocompatibility complex (MHC) class I molecules on antigen presenting cells (APCs), mediating cell-cell interactions within the immune system. Conversely, CD4 molecules interact with antigens presented on MHC class II molecules and are activated to become helper T-cells (TH) (1,2). Interestingly, thymocytes can transiently express both CD4 and CD8 during the maturation process (2). Furthermore, the cytoplasmic tail of CD8 has a Lck (lymphocyte-specific protein tyrosine kinase) binding domain where Lck interacts with CD8, initiating a phosphorylation cascade that activates transcription factors and promotes T-cell activation (6). More specifically, CD8alphabeta functions as a T-cell co-receptor, while CD8alphaalpha promotes T-cell survival and differentiation (7).

Given its role in the immune system, CD8-deficiency in T-cells is a hallmark of many diseases and pathologies (8-10). Specifically, CD8+ T-cell deficiency is prevalent in chronic autoimmune diseases including multiple sclerosis, rheumatoid arthritis, ulcerative colitis, Crohn's disease, type 1 diabetes mellitus, and Graves' disease (8). Furthermore, cancers or chronic infection can lead to CD8 T-cell exhaustion as the continual antigen presentation and inflammatory signals eventually cause the CD8+ T-cells to lose functionality (9, 10). However, animal models and clinical studies have suggested that T-cells are capable of being reinvigorated using inhibitory receptor blockade resulting in better disease outcomes and these exhausted T-cells may be a potential therapeutic target (9, 10).

Alternative names for CD8 includes CD antigen: CD8a, CD8 antigen, alpha polypeptide (p32), CD8a molecule, CD8A, Leu2 T-lymphocyte antigen, LEU2, MAL, OKT8 T-cell antigen, p32, T cell co-receptor, T8 T-cell antigen, T-cell antigen Leu2, T-cell surface glycoprotein CD8 alpha chain, and T-lymphocyte differentiation antigen T8/Leu-2.

References

1. Littman D. R. (1987). The structure of the CD4 and CD8 genes. Annual review of immunology. https://doi.org/10.1146/annurev.iy.05.040187.003021

2. Naeim F. (2008). Chapter 2- Principles of Immunophenotyping. Hematopathology. https://doi.org/10.1016/B978-0-12-370607-2.00002-8.

3. Gao, G. F., & Jakobsen, B. K. (2000). Molecular interactions of coreceptor CD8 and MHC class I: the molecular basis for functional coordination with the T-cell receptor. Immunology today. https://doi.org/10.1016/s0167-5699(00)01750-3

4. UniProt (P01732)

5. UniProt (P01731)

6. Kappes D. J. (2007). CD4 and CD8: hogging all the Lck. Immunity. https://doi.org/10.1016/j.immuni.2007.11.002

7. Gangadharan, D., & Cheroutre, H. (2004). The CD8 isoform CD8alphaalpha is not a functional homologue of the TCR co-receptor CD8alphabeta. Current opinion in immunology. https://doi.org/10.1016/j.coi.2004.03.015

8. Pender M. P. (2012). CD8+ T-Cell Deficiency, Epstein-Barr Virus Infection, Vitamin D Deficiency, and Steps to Autoimmunity: A Unifying Hypothesis. Autoimmune diseases. https://doi.org/10.1155/2012/189096

9. Kurachi M. (2019). CD8+ T cell exhaustion. Seminars in immunopathology. https://doi.org/10.1007/s00281-019-00744-5

10. Hashimoto, M., Kamphorst, A. O., Im, S. J., Kissick, H. T., Pillai, R. N., Ramalingam, S. S., Araki, K., & Ahmed, R. (2018). CD8 T Cell Exhaustion in Chronic Infection and Cancer: Opportunities for Interventions. Annual review of medicine. https://doi.org/10.1146/annurev-med-012017-043208

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. ELISA Kits are guaranteed for 6 months from date of receipt.

Customers Who Viewed This Item Also Viewed...

NBP1-19371
Species: Ca, Hu, Mu, Po, Rb, Rt
Applications: Dual ISH-IHC, Flow, ICC/IF, IHC, IHC-Fr, IHC-P, Simple Western, WB
202-IL
Species: Hu
Applications: BA
7268-CT
Species: Hu
Applications: BA
NBP2-79843
Species: Hu
Applications: CyTOF-ready, ELISA, Flow, ICC/IF, IHC, IHC-P, PA, WB
NB100-524
Species: Hu, Mu
Applications: Flow-IC, Flow, ICC/IF, IHC, IHC-Fr, IHC-P, IP, WB
6507-IL/CF
Species: Hu
Applications: BA
DY417
Species: Mu
Applications: ELISA
DR2A00
Species: Hu
Applications: ELISA
H00003669-M01
Species: Hu
Applications: ELISA, ICC/IF, S-ELISA, WB
NB100-77417
Species: Hu, Mu, Rt
Applications: CyTOF-ready, Flow, Func, ICC/IF, IHC, IHC-Fr, IHC-P, IP, In vitro, In vivo, WB
NB120-6405
Species: Rt
Applications: B/N, CyTOF-ready, EM, ELISA, Flow-IC, Flow, ICC/IF, IHC, IHC-Fr, IHC-P, IP
MAB342
Species: Hu
Applications: AgAct, WB
D6050
Species: Hu
Applications: ELISA
NBP1-72042
Species: Hu, Mu, Rt
Applications: ICC/IF, IHC, IHC-P, PEP-ELISA, WB
NBP2-25200
Species: Hu
Applications: B/N, Flow, IHC, IHC-Fr, WB
NBP2-15184
Species: Hu, Rt
Applications: Flow-CS, Flow, ICC/IF, IHC, IHC-P, Simple Western
NBP2-25196
Species: Hu, Mu
Applications: CyTOF-ready, Flow, ICC/IF, In vitro, WB

Publications for CD8 ELISA Kit (NBP2-78729) (0)

There are no publications for CD8 ELISA Kit (NBP2-78729).
By submitting your publication information earn gift cards and discounts for future purchases.

Reviews for CD8 ELISA Kit (NBP2-78729) (0)

There are no reviews for CD8 ELISA Kit (NBP2-78729). By submitting a review you will receive an Amazon e-Gift Card or Novus Product Discount.
  • Review with no image -- $10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen
  • Review with an image -- $25/€18/£15/$25 CAD/¥150 Yuan/¥2500 Yen

Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

FAQs for CD8 ELISA Kit (NBP2-78729) (0)

There are no specific FAQs related to this product. Read our general customer & technical service FAQs.

Additional CD8 Products

Bioinformatics Tool for CD8 ELISA Kit (NBP2-78729)

Discover related pathways, diseases and genes to CD8 ELISA Kit (NBP2-78729). Need help? Read the Bioinformatics Tool Guide for instructions on using this tool.
Visit Tool

Diseases for CD8 ELISA Kit (NBP2-78729)

Discover more about diseases related to CD8 ELISA Kit (NBP2-78729).
 

Pathways for CD8 ELISA Kit (NBP2-78729)

View related products by pathway.

PTMs for CD8 ELISA Kit (NBP2-78729)

Learn more about PTMs related to CD8 ELISA Kit (NBP2-78729).
 

Research Areas for CD8 ELISA Kit (NBP2-78729)

Find related products by research area.

Blogs on CD8. Showing 1-10 of 12 blog posts - Show all blog posts.

Tired T cells: Hypoxia Drives T cell Exhaustion in the Tumor Microenvironment
By Hunter MartinezThe paradigm shifting view of the immune system being leveraged to target cancer has led to numerous therapeutic breakthroughs. One major cell group responsible for this revelation is a T cell. ...  Read full blog post.

Synthetic Biotic Medicine as Immunotherapy Against Cancer: Evidence From Arginine-Producing Engineered Bacteria
By Jamshed Arslan, Pharm D, PhDWhat do nuts, dairy and red meat have in common? In addition to the fact that they are all edible, one of the answers is L-arginine. This amino acid improves T cell’s respons...  Read full blog post.

Harnessing Natural Killer Cell Activity for Anti-Tumor Immunotherapy
By Victoria Osinski, PhDWhat’s “Natural” About Natural Killer (NK) Cells?For immunologists, the term cytotoxicity often conjures up images of an army of antigen specific CD8+ T cells deploying to ...  Read full blog post.

Early T cell response is associated with mild COVID-19 and rapid SARS-CoV-2 clearance
Jamshed Arslan, Pharm D, PhD SARS-CoV-2 induces both humoral and cellular immunity. A vaccine or natural infection invokes SARS-CoV-2-specific humoral components (antibodies from activated B cells) and cellular resp...  Read full blog post.


  Read full blog post.

Success of combined IL-10 and IL-12 therapy in colon cancer depends on IFN-gamma and gut barrier integrity
By Jamshed Arslan, Pharm. D., PhD. Colon cancer is responsible for over 600,000 deaths per year worldwide. Colon cancer can be classified into two categories: mismatch repair (MMR)-deficient and MMR-proficient cancers...  Read full blog post.

mTOR Signaling and the Tumor Microenvironment
By Yoskaly Lazo-Fernandez, PhD The mammalian target of rapamycin (mTOR) is a conserved serine/threonine kinase that, as a member of two distinct intracellular protein complexes, mTORC1 and mTORC2, regulates protein ...  Read full blog post.

The role of MHC Class II RT1B and immune response post brain injury
The major histocompatibility complex (MHC) is responsible for binding peptide fragments arising from pathogens in order to display them on the cell surface for recognition from immune cells.  Once recognized, the foreign pathogen is typically evade...  Read full blog post.

Topics in CD11b: The innate immune response
Integrins are transmembrane receptors composed of alpha and beta chains, where beta-integrins are mainly expressed in leukocytes. Leukocytes are white blood cells that act in the immune system to defend our body against foreign pathogens.  Integrin...  Read full blog post.

CD20 (Cluster of differentiation 20, Membrane-spanning 4-domains subfamily A member 1 (MS4A1), CVID5, B-lymphocyte surface antigen B1)
CD20 is a human B-lymphocyte surface molecule that spans the membrane four times and is expressed on both normal and malignant cells. The CD20 antigen displays a unique expression pattern among hematopoietic cells - it is present on human pre B-ly...  Read full blog post.

Showing 1-10 of 12 blog posts - Show all blog posts.

Customers Who Bought This Also Bought

Contact Information

Product PDFs

Review this Product

Be the first to review our Mouse CD8 ELISA Kit (Colorimetric) and receive a gift card or discount.

Bioinformatics

Gene Symbol CD8A