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157M-9

Sigma-Aldrich

CD57 (NK-1) Mouse Monoclonal Antibody

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

100
500

conjugate

unconjugated

antibody form

diluted ascites fluid

antibody product type

primary antibodies

clone

NK-1, monoclonal

description

For In Vitro Diagnostic Use in Select Regions (See Chart)

form

buffered aqueous solution

species reactivity

human

packaging

vial of 0.1 mL concentrate (157M-94)
vial of 0.5 mL concentrate (157M-95)
bottle of 1.0 mL predilute (157M-97)
vial of 1.0 mL concentrate (157M-96)
bottle of 7.0 mL predilute (157M-98)

manufacturer/tradename

Cell Marque

technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:100-1:500

isotype

IgMκ

control

tonsil

shipped in

wet ice

storage temp.

2-8°C

visualization

membranous

Gene Information

human ... B3GAT1(27087)

General description

CD57 is a marker expressed in the membrane of NK cells and other T cells. It is often used in the identification of nodular lymphocyte predominant Hodgkin lymphoma (NLPHL) to visualize the small T-cells that ring the LP cells (rosettes of follicular T cells around the large neoplastic LP cells). These features can be used to distinguish NLPHL from T-cell/histiocyte-rich large B-cell lymphoma, which usually shows no rosettes of CD57-positive follicular T-cells around the large tumor cells. Anti-CD57 also reacts with neuroendocrine cells and their derived tumors, including neuroendocrine tumors of diverse origins, pheochromocytomas, paragangliomas, medulloblastoma, and varying proportions of neural tumors such as schwannomas, neurofibromas, neuromas, and granular cell tumors. However, anti-CD57 lacks the specificity of chromogranin and synaptophysin for detecting neuroendocrine neoplasms and therefore should be considered in a panel. Anti-CD57 can also be useful in separating thymoma from thymic carcinoma when combined with a panel that includes antibodies against CD5 and CD117.
CD57, also known as HNK-1 (human natural killer-1), is a cell surface carbohydrate epitope expressed on terminally differentiated T-cells and subsets of natural killer (NK) cells. It has also been identified in cells of neural crest origin. CD57 antibodies are often used to visualize non-neoplastic bystander T-cells. These T-cells have been known to form rosettes around neoplastic lymphocyte-predominant (LP) cells in nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL).

Quality


IVD

IVD

IVD

RUO

Linkage

CD57 Positive Control Slides, Product No. 157S, are available for immunohistochemistry (formalin-fixed, paraffin-embedded sections).

Physical form

Solution in Tris Buffer, pH 7.3-7.7, with 1% BSA and <0.1% Sodium Azide

Preparation Note

Download the IFU specific to your product lot and formatNote: This requires a keycode which can be found on your packaging or product label.

Other Notes

For Technical Service please contact: 800-665-7284 or email: service@cellmarque.com

Legal Information

Cell Marque is a trademark of Merck KGaA, Darmstadt, Germany

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A W Ritchie et al.
Clinical and experimental immunology, 51(3), 439-447 (1983-03-01)
The monoclonal antibody HNK-1 identifies a subpopulation of lymphocytes containing almost all of the natural killer (NK) and antibody-dependent killer (K) cell activity. Using an immunoperoxidase technique on frozen tissue sections of human spleen, tonsil and lymph node we have
Thaer Khoury et al.
International journal of experimental pathology, 92(2), 87-96 (2010-11-04)
It is sometimes difficult to differentiate between type B3 thymoma from thymic carcinoma histologically. Given the rarity of these tumours, studies have been limited. A series of 66 thymic neoplasms were reviewed and classified according to the World Health Organization
Diagnostic Immunohistochemistry: Theranostic and Genomic Applications, 324-324 (2014)
Ludmila Boudová et al.
Blood, 102(10), 3753-3758 (2003-07-26)
Nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) and T-cell/histiocyte-rich B-cell lymphoma (T/HRBCL) are distinct tumors and are treated differently. They are linked by a morphologic and probably a biologic continuum, which renders the differential diagnosis difficult. To develop criteria to distinguish the
Susanne Van Eeden et al.
Human pathology, 33(11), 1126-1132 (2002-11-28)
Metastasized neuroendocrine tumors of the gastrointestinal tract and of unknown origin show a highly variable clinical course. Within this group, low-grade and high-grade malignant tumors can be recognized based on the revised classification of neuroendocrine tumors of the lung, pancreas

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