CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-48027

Novus Biologicals, part of Bio-Techne
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NBP2-48027
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Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Kappa/IgG1 Kappa Clone # LN-2 + CLIP/813

Format

IHC-Prediluted

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all CD74 Antibodies »

Product Specifications

Immunogen

SU-DHL-4 lymphoma cells (LN-2); Recombinant full-length human CD74 protein (CLIP/813)

Localization

Cell surface and paranuclear globular

Specificity

It recognizes a protein of ~35kDa, identified as CD74. It is a type II transmembrane protein which binds to the peptide binding groove of newly synthesized MHC class II alpha/beta heterodimers and prevents their premature association with endogenous polypeptides. CD74 is expressed primarily by antigen presenting cells, such as B-lymphocytes (from before the pre-B cell stage to before the plasma cell stage), macrophages, and monocytes, and many epithelial cells. Anti-CD74 stains predominantly germinal center lymphocytes and B-cell lymphomas, but rarely T-cell lymphomas. Anti-CD74 has been shown to be useful in differentiating atypical fibroxanthoma (-) from malignant fibrous histiocytoma (+).

Marker

B-Cell Marker

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 Kappa/IgG1 Kappa

Description

The prediluted antibody does not require any mixing, dilution, reconstitution, or titration; the antibody is ready-to-use and optimized for staining.

Scientific Data Images for CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted

Immunohistochemistry-Paraffin: CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted [NBP2-48027]

Immunohistochemistry-Paraffin: CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted [NBP2-48027]

Immunohistochemistry-Paraffin: CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted [NBP2-48027] - Human Tonsil stained with CD74 Monoclonal Antibody (LN-2 + CLIP/813).

Applications for CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted

Application
Recommended Usage

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Paraffin

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Hu-chromosome location: 17q21.2
Immunohistochemistry-Paraffin 0.5 - 1 ug/ml for 30 minutes at RT; Staining of formalin-fixed tissues requires boiling tissue sections in 10mM Citrate Buffer, pH 6.0, for 10 - 20 min followed by cooling at RT for 20 minutes. The 7mL size is a pre-diluted size and no additional dilutions are required before using this item for the intended application.

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

10 mM PBS with 0.05% BSA

Format

IHC-Prediluted

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.

Background: CD74

CD74, also known as the MHC class II associated invariant chain (Ii), is a type II transmembrane protein which binds to the peptide binding groove of newly synthesized MHC class II alpha/beta heterodimers and prevents their premature association with endogenous polypeptides. CD74 is produced in molar excess over MHC class II and some of this is expressed by an unknown pathway on the cell surface independent of, or in association with, MHC class II molecules. The half life of CD74 on the cell surface is only 3 to 4 min after which it is internalized. It has been proposed that cell surface CD74 binds MHC class II molecules which have lost their antigenic peptide leading to internalization and reloading with antigenic peptide. The transport route of class II alpha/beta/Ii complexes is regulated selectively by two forms of CD74 (p33 and p35) which are generated by the use of alternative translation initiation sites. CD74 is expressed primarily by antigen presenting cells such as B lymphocytes (from before the pre-B cell stage to before the plasma cell stage), macrophages and monocytes together, with many epithelial cells. CD74 may exist in different isoforms ranging in size from 33 to 41 kDa, depending on genetic splicing.

Alternate Names

CD74, CLIP, DHLAG, HLADG, Ia-gamma, INVG34

Gene Symbol

CD74

Additional CD74 Products

Product Documents for CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted

Product Datasheets

Certificate of Analysis

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Product Specific Notices for CD74 Antibody (LN-2 + CLIP/813) - IHC-Prediluted

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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