CLIP Antibody / CD74

SKU: orb385766

Description

Recognizes proteins of 33, 35 and 41kDa, which are identified as various isoforms of CD74/CLIP. Its epitope is localized in the extracellular domain of CD74. CD74/CLIP 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. The molecule plays a critical role in the presentation of peptides, by the MHC class II antigens, to CD4 positive lymphocytes. CD74/CLIP is expressed on MHC class II positive cells including B cells, a subset of activated T cells, monocytes, and dendritic cells and by various types of carcinomas. It 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/CLIP stains predominantly germinal center lymphocytes and B-cell lymphomas, but rarely T-cell lymphomas and has been shown to be useful in differentiating atypical fibroxanthoma (-) from malignant fibrous histiocytoma (+).

Research Area

Epigenetics, Immunology

Images & Validation

• Tested Applications: FACS, IF, IHC-P, WB
• Dilution Range: Flow cytometry: 1-2ug/10^6 cells (methanol-fixed),Immunofluorescence: 1-2ug/ml,Immunohistochemistry (FFPE): 1-2ug/ml for 30 min at RT,Western blot: 1-2ug/ml
• Reactivity: Human
• Application Notes:
  Optimal dilution of the CLIP antibody should be determined by the researcher.1. 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 min.2. The prediluted format is supplied in a dropper bottle and is optimized for use in IHC. After epitope retrieval step (if required), drip mAb solution onto the tissue section and incubate at RT for 30 min.

Key Properties

• Antibody Type: Primary Antibody
• Host: Mouse
• Clonality: Monoclonal
• Isotype: Mouse IgG1, kappa
• Clone No.: CLIP/813
• Immunogen: Recombinant full-length human protein was used as the immunogen for the CLIP antibody. Its epitope is localized in the extracellular domain of CLIP/CD74.
• Purification: Protein G affinity chromatography
• Conjugation: Unconjugated

Storage & Handling

• Storage: Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
• Buffer/Preservatives: 0.2 mg/ml in 1X PBS with 0.1 mg/ml rAlbumin and 0.05% sodium azide
• Expiration Date: 12 months from date of receipt.
• Disclaimer: For research use only

Western blot testing of human Raji cell lysate with CLIP antibody (clone CLIP/813). Expected molecular weight: 33-43 kDa.

Immunofluorescent staining of human Raji cells with CLIP antibody (green, clone CLIP/813) and Reddot nuclear stain (red).

Flow cytometry testing of human Raji cells with CLIP antibody (clone CLIP/813); Red = isotype control, Blue = CLIP antibody.

IHC analysis of formalin/paraffin human tonsil with CLIP antibody (clone CLIP/813).

Quick Database Links

UniProt

P04233