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Type: Mouse IgG
Applications: IHC
E=ELISA; FACS; FC=Flow Cytometry; FPLC=Fast Protein Liquid Chromatography; GF=Gravity Flow; HPLC=High Performance Liquid Chromatography; ICC=Immunocytochemistry; IF=Immunofluorescence; IHC=Immunohistochemistry; IP=Immunoprecipitation; NAC=Non-adherent Cell Assays; NB=Neutralization of Bioactivity; SE=Sandwich ELISA; TPE=Targeted Protein Expression; WB=Western blotting; ; AC=Adherent Cell Assays; FM=Fluorescent Micsroscopy; ; ; BSC-CM5= Biacore Sensor Chip CM5; BSM=Biosactive Small Molecule or Peptide; CDM=Cell Differentiation Media; ; ; ; ; ; Health and Fitness; ; ; DNA Extraction/Purification; ; In vivo Like Assays
Species Reactivity: H
B=Bovine; Ca=Cat; Ch=Chicken; D=Dog; EQ=Equine; GP=Guinea Pig; H=Human; M=Mouse; P=Porcine; Pr=Primate; R=Rat; Rb=Rabbit; Y=Yeast; Xe=Xenopus; Ze=Zebrafish; ; ; ; NA-Not Applicable; STP=Step-Tactin Proteins; All
Format: Supernatant - liquid
Immunogen: Prokaryotic recombinant protein corresponding to the external domain of the human CD4 molecule. Clone: 1F6

CD4 is a single chain transmembraneous glycoprotein (59 kDa) which belongs to the immunoglobulin superfamily. The CD4 antigen is expressed on a T cell subset (helper/inducer) representing 45 percent of peripheral blood lymphocytes and at a lower level on monocytes. Most cases of cutaneous T cell lymphoma, including mycosis fungoides, express the CD4 antigen and HTLV-1 associated adult T cell leukemia/lymphoma is also generally CD4 positive.

Note: the use of 1 percent or greater H2O2 to block endogenous peroxidase has a detrimental effect on the epitope recognized by clone 1F6. Therefore, it is recommended that endogenous peroxidase is blocked before retrieval with 0.5 percent H2O2 /methanol for 10 minutes, otherwise staining intensity may be reduced

Image: CD4 staining of  Human skin, mycosis fungoides. Note membrane staining of infiltrating T lymphocytes. Paraffin section.