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Clone
6D9
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Immunogen
Human CD74 invariant chain synthetic peptide.
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Antibody s full description
Mouse Anti-Human CD74 Monoclonal IgG1 Antibody, Clone: 6D9: Unconjugated
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Antibody s category
Monoclonal Antibodies
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Antibody s other name
DHLAG Antibody, HLA DR gamma Antibody, HLADG Antibody, p33 Antibody, p35 Antibody, Protein 41 Antibody, CD 74 Antibody, CD74 Antibody, CD74 antigen (invariant polypeptide of major histocompatibility complex, class II antigen-associated) Antibody, CD74 antigen Antibody, CD74 molecule Antibody, CD74 molecule, major histocompatibility complex, class II invariant chain Antibody, CLIP Antibody, DHLAG Antibody, Gamma chain of class II antigens Antibody, HG2A_HUMAN Antibody, HLA class II histocompatibility antigen gamma chain Antibody, HLA DR antigens associated invariant chain Antibody, HLA DR gamma Antibody, HLA-DR antigens-associated invariant chain Antibody, HLA-DR-gamma Antibody, HLADG Antibody, HLADR antigens associated invariant chain Antibody Ia antigen associated invariant chain Antibody, Ia antigen-associated invariant chain Antibody, Ia associated invariant chain Antibody, Ia gamma Antibody, Ii Antibody, Invariant polypeptide of major histocompatibility complex class II antigen associated Antibody, la-gamma Antibody, Major histocompatibility complex class II invariant chain Antibody, MHC HLA DR gamma chain Antibody, MHC HLA-DR gamma chain Antibody, p33 Antibody, p35 Antibody, Protein 41 Antibody
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Raised in
Mouse
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Antibody s target
CD74
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Primary research fields
Immunology, Adaptive Immunity, B Cells, B Cell CD Markers
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Brandname
None
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Antibodies applications
WB, ICC/IF
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Antibody s reactivity
Human
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Antibody s dilutions
WB (1:1000); ICC/IF (1:100); optimal dilutions for assays should be determined by the user.
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Purity
Protein G Purified
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Antibody buffer for storage
PBS pH 7.4, 50% glycerol, 0.9% Sodium Azide
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Antibody s concentration
1 mg/ml
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Antibody s specificity
Detects ~33 kDa protein.
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Storage recommendations
-20ºC
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Shipping recommendations
Blue Ice or 4ºC
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Antibody certificate of analysis
A 1:1000 dilution of SMC-269 was sufficient for detection of CD74 in 15 µg of B-Cell Lymphoma cell line Raji by ECL immunoblot analysis using Goat Anti-Mouse IgG:HRP as the secondary Antibody.
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Antibody in cell
Cell Membrane , Endoplasmic Reticulum , Endoplasmic Reticulum Membrane , Golgi Apparatus , Endosome , Lysosome
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Tissue specificity
See included datasheet or contact our support service
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Scientific context
CD74 is a non-polymorphic type II integral membrane protein. It has a short N-terminal cytoplasmic tail of 28 amino acids, followed by a single 24-aa transmembrane region and an approximately 150-aa lumenal domain (1). The CD74 chain is thought to function mainly as an MHC class II chaperone, which promotes ER exit of MHC class II molecules, directs them to endocytic compartments, prevents peptide binding in the ER, and contributes to peptide editing in the MHC class II compartment. Class II MHC and Ii expression was believed to be restricted to classical antigen-presenting cells (APC); however, during inflammation, other cell types, including mucosal epithelial cells, have also been reported to express class II MHC molecules (2). Experiments that investigate cell-surface CD74 are complicated by the fact that CD74 remains on the cell surface for a very short time. The surface half-life of CD74 was calculated to be fewer than 10 minutes (3). CD74 however has also recently been shown to have a role as an accessory-signaling molecule because of its high-affinity binding to the pro-inflammatory cytokine, macrophage migration-inhibitory factor (MIF) (3). The restricted expression of CD74 by normal tissues and its very rapid internalization make CD74 an attractive therapeutic target for both cancer and immunologic diseases (4).
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Bibliography
1. Becker-Hermann, S., Arie, G., Medvedovsky H, Kerem A, and Shachar I. (2005) Mol Bio Cell. 16(11):5061-9. 2. Barrera CA., et al (2005) J Histochem Cytochem 53 (12): 1481-9. 3. Starlets D., et al. (2006) Blood. 107 (12): 4807-4816. 4. Burton JD., et al. (2004). Clin Cancer Res. 10(19): 6606-11. 5. Denzin L.K., Hammond, C. and Cresswell, P. (1996) J. Exp. Med. 184: 2153-2165. 6. Denzin L.K., Robbins N.F., Carboy-Newcomb C. and Cresswell P. (1994) Immunity 1: 595-606.
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Released date
23-Mar-2017
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Tested applications
To be tested
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Tested reactivity
To be tested
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NCBI number
NP_001020329.1
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Gene number
972
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Protein number
P04233
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Antibody s datasheet
Contact our support service
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Representative figure link
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Representative figure legend
Immunocytochemistry/Immunofluorescence analysis using Mouse Anti-CD74 Monoclonal Antibody, Clone 6D9 (SMC-269). Tissue: HeLa Cells (Human Cervical Cancer). Species: Human. Fixation: 4% Formaldehyde for 15 min at RT. Primary Antibody: Mouse Anti-CD74 Monoclonal Antibody (SMC-269) at 1:100 for 60 min at RT. Secondary Antibody: Goat Anti-Mouse ATTO 488 at 1:200 for 60 min at RT. Counterstain: Phalloidin Texas Red F-Actin stain; DAPI (blue) nuclear stain at 1:1000, 1:5000 for 60 min at RT, 5 min at RT. Localization: Cell membrane, Endoplasmic Reticulum, Golgi apparatus. Magnification: 60X. (A) DAPI (blue) nuclear stain (B) Phalloidin Texas Red F-Actin stain (C) CD74 Antibody (D) Composite. Western Blot analysis of Human Lymphoblastoid cell line (Raji) showing detection of 33-35 kDa CD74 protein using Mouse Anti-CD74 Monoclonal Antibody, Clone 6D9 (SMC-269). Lane 1: Molecular Weight Ladder (MW). Lane 2: Raji cell lysate. Load: 15 µg. Block: 5% Skim Milk in TBST. Primary Antibody: Mouse Anti-CD74 Monoclonal Antibody (SMC-269) at 1:1000 for 2 hours at RT. Secondary Antibody: Goat Anti-Mouse IgG: HRP at 1:1000 for 60 min at RT. Color Development: ECL solution for 5 min in RT. Predicted/Observed Size: 33-35 kDa. Mouse Anti-CD74 Antibody [6D9 ] used in Immunocytochemistry/Immunofluorescence (ICC/IF) on Human HeLa Cells (Human Cervical Cancer) (SMC-269) Mouse Anti-CD74 Antibody [6D9] used in Western Blot (WB) on Human Lymphoblastoid cell line (Raji) (SMC-269)
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Warning information
Non-hazardous
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Country of production
Canada
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Total weight kg
1.4
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Net weight g
0.1
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Stock availability
In Stock
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Description
This antibody needs to be stored at + 4°C in a fridge short term in a concentrated dilution. Freeze thaw will destroy a percentage in every cycle and should be avoided. Antibody for research use.
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Test
StressMark antibodies supplies antibodies that are for research of human proteins. Mouse or mice from the Mus musculus species are used for production of mouse monoclonal antibodies or mabs and as research model for humans in your lab. Mouse are mature after 40 days for females and 55 days for males. The female mice are pregnant only 20 days and can give birth to 10 litters of 6-8 mice a year. Transgenic, knock-out, congenic and inbread strains are known for C57BL/6, A/J, BALB/c, SCID while the CD-1 is outbred as strain.
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Properties
Human proteins, cDNA and human recombinants are used in human reactive ELISA kits and to produce anti-human mono and polyclonal antibodies. Modern humans (Homo sapiens, primarily ssp. Homo sapiens sapiens). Depending on the epitopes used human ELISA kits can be cross reactive to many other species. Mainly analyzed are human serum, plasma, urine, saliva, human cell culture supernatants and biological samples.
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About
Monoclonals of this antigen are available in different clones. Each murine monoclonal anibody has his own affinity specific for the clone. Mouse monoclonal antibodies are purified protein A or G and can be conjugated to FITC for flow cytometry or FACS and can be of different isotypes.
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Latin name
Mus musculus