CD57 Antibody (NK1/7565) [Janelia Fluor® 635]
Novus Biologicals, part of Bio-Techne | Catalog # NBP3-20869JF635
Conjugate
Catalog #
Forumulation
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Immunohistochemistry-Paraffin
Label
Janelia Fluor 635
Antibody Source
Monoclonal Mouse IgG2 Lambda Clone # NK1/7565
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.
Product Specifications
Immunogen
Recombinant fragment (around aa1-200) of human CD57 protein (exact sequence is proprietary)
Localization
Cell surface
Clonality
Monoclonal
Host
Mouse
Isotype
IgG2 Lambda
Applications for CD57 Antibody (NK1/7565) [Janelia Fluor® 635]
Application
Recommended Usage
Immunohistochemistry-Paraffin
Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Purification
Protein A purified
Formulation
50mM Sodium Borate
Preservative
0.05% Sodium Azide
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store at 4C in the dark.
Background: CD57
CD57 expression has become a common pathological marker. CD57+ CD8+ T cell expression is observed in various cancers and is often linked to reduced survival (3). On the other hand, CD57+ NK cell expression is associated with less severe disease and better prognosis in cancer patients (3). CD57 is also associated with immune dysfunction and autoimmune disease (3,4). For example, T cell immunosenescence is characterized by an upregulation of CD57 along with KLRG-1 and a loss of CD27 and CD28 expression (4). Expanded autoreactive T cells are also related to diseases including multiple sclerosis (MS) and rheumatoid arthritis (RA) (3). Conversely, reduced numbers of CD57+ NK cells and NK cell cytotoxicity is observed in various autoimmune diseases such as apoptotic dermatitis and sjogren's syndrome (3).
References
1. Focosi D, Bestagno M, Burrone O, Petrini M. CD57+ T lymphocytes and functional immune deficiency. J Leukoc Biol. 2010;87(1):107-116. https://doi.org/10.1189/jlb.0809566
2. Morise J, Takematsu H, Oka S. The role of human natural killer-1 (HNK-1) carbohydrate in neuronal plasticity and disease. Biochim Biophys Acta Gen Subj. 2017;1861(10):2455-2461. https://doi.org/10.1016/j.bbagen.2017.06.025
3. Nielsen CM, White MJ, Goodier MR, Riley EM. Functional Significance of CD57 Expression on Human NK Cells and Relevance to Disease. Front Immunol. 2013;4:422. Published 2013 Dec 9. https://doi.org/10.3389/fimmu.2013.00422
4. Lian J, Yue Y, Yu W, Zhang Y. Immunosenescence: a key player in cancer development. J Hematol Oncol. 2020;13(1):151. Published 2020 Nov 10. https://doi.org/10.1186/s13045-020-00986-z6
Alternate Names
HNK1, HNK-1, Human Natural Killer-1, L2, LEU7, LEU-7
Gene Symbol
B3GAT1
Additional CD57 Products
Product Documents for CD57 Antibody (NK1/7565) [Janelia Fluor® 635]
Product Specific Notices for CD57 Antibody (NK1/7565) [Janelia Fluor® 635]
Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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