ICC shows positive staining in Jurkat cells. Anti-CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) antibody was used at 1/50 dilution (magenta) and incubated overnight at 4°C. The cells were fixed with 4% PFA and permeabilized with 0.1% PBS-Triton X-100. Nuclei were counterstained with DAPI (Blue).
CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) (S-241-49)
CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) (S-241-49)
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Product Details
Product Details
Product Specification
| Host | Rabbit |
| Antigen | CD3ε |
| Synonyms | T-cell surface glycoprotein CD3 epsilon chain; T-cell surface antigen T3/Leu-4 epsilon chain; T3E; CD3E |
| Immunogen | Synthetic Peptide |
| Location | Cell membrane |
| Accession | P07766 |
| Clone Number | S-241-49 |
| Antibody Type | Recombinant mAb |
| Isotype | IgG |
| Application | ICC, IF |
| Reactivity | Hu |
| Purification | Protein A |
| Concentration | 1 mg/ml |
| Conjugation | Alexa Fluor® 700 |
| Physical Appearance | Liquid |
| Storage Buffer | PBS, 1% BSA, 0.09% sodium azide |
| Stability & Storage | 12 months from date of receipt / reconstitution, 2 to 8 °C as supplied |
Dilution
| application | dilution | species |
| ICC | 1:50 | Hu |
| IF | 1:50 | Hu, Ms, Rt |
Background
CD3ε is a subunit of the CD3 complex, which is a critical component of the T-cell receptor (TCR) complex on T cells. Together with CD3γ, CD3δ, and CD3ζ, it forms the TCR-CD3 complex that plays a vital role in coupling antigen recognition to intracellular signaling pathways. This complex is essential for T cell activation, proliferation, and differentiation. CD3ε contains an extracellular immunoglobulin domain, a transmembrane region, and a cytoplasmic tail with an immunoreceptor tyrosine-based activation motif (ITAM). Upon antigen recognition, the ITAMs in CD3ε are phosphorylated, initiating downstream signaling cascades that lead to T cell activation. Additionally, CD3ε interacts with other signaling molecules like Lck and Nck through its unique motifs, further modulating T cell responses. Its importance in T cell function makes CD3ε a target for immunotherapies, including cancer treatments and autoimmune disease management.
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Immunocytochemistry
Negative control: ICC shows negative staining in Ramos cells. Anti-CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) antibody was used at 1/50 dilution and incubated overnight at 4°C. The cells were fixed with 4% PFA and permeabilized with 0.1% PBS-Triton X-100. Nuclei were counterstained with DAPI (Blue).
Immunofluorescence
IF shows positive staining in paraffin-embedded human tonsil. Anti-CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) antibody was used at 1/50 dilution (magenta) and incubated overnight at 4°C. Counterstained with DAPI (Blue). Heat mediated antigen retrieval with EDTA buffer pH9.0 was performed before commencing with IF staining protocol.
IF shows positive staining in paraffin-embedded human thymus. Anti-CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) antibody was used at 1/50 dilution (magenta) and incubated overnight at 4°C. Counterstained with DAPI (Blue). Heat mediated antigen retrieval with EDTA buffer pH9.0 was performed before commencing with IF staining protocol.
IF shows positive staining in paraffin-embedded human Hodgkin lymphoma. Anti-CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) antibody was used at 1/50 dilution (magenta) and incubated overnight at 4°C. Counterstained with DAPI (Blue). Heat mediated antigen retrieval with EDTA buffer pH9.0 was performed before commencing with IF staining protocol.
IF shows positive staining in paraffin-embedded mouse spleen. Anti-CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) antibody was used at 1/50 dilution (magenta) and incubated overnight at 4°C. Counterstained with DAPI (Blue). Heat mediated antigen retrieval with EDTA buffer pH9.0 was performed before commencing with IF staining protocol.
IF shows positive staining in paraffin-embedded rat spleen. Anti-CD3 epsilon Recombinant Rabbit mAb (Alexa Fluor® 700 Conjugate) antibody was used at 1/50 dilution (magenta) and incubated overnight at 4°C. Counterstained with DAPI (Blue). Heat mediated antigen retrieval with EDTA buffer pH9.0 was performed before commencing with IF staining protocol.
