Feline CD4 Antibody

Catalog #: AF2597 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
AF2597
AF2597-SP

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Feline CD4 Antibody Summary

Species Reactivity

Feline

Specificity

Detects feline CD4 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 25% cross-reactivity with recombinant canine CD4 is observed and 5% cross-reactivity with recombinant human CD4 and recombinant mouse CD4 is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

Mouse myeloma cell line NS0-derived recombinant feline CD4

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Label

Unconjugated

Applications

Recommended Concentration

Sample

Western Blot

0.1 µg/mL

Recombinant Feline CD4

Flow Cytometry

0.25 µg/10⁶ cells

Feline peripheral blood mononuclear cells

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Immunocytochemistry

5-15 µg/mL

Immersion fixed feline peripheral blood mononuclear cells

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Immunocytochemistry

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CD4 in Feline PBMCs. CD4 was detected in immersion fixed feline peripheral blood mononuclear cells (PBMCs) using Goat Anti-Feline CD4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2597) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; NL001) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. Staining was performed using our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CD4

CD4 is a type I membrane glycoprotein belonging to the immunoglobulin superfamily. It is expressed predominantly on thymocytes and a subset of mature T lymphocytes. CD4 functions in collaboration with the T cell receptor in the recognition of peptide antigens that are presented by class II major histocompatibility complexes.

Entrez Gene IDs

920 (Human); 12504 (Mouse); 24932 (Rat); 403931 (Canine); 101864991 (Cynomolgus Monkey); 493775 (Feline)

Alternate Names

CD_antigen: CD4; CD4 antigen (p55); CD4 antigen; CD4 molecule; CD4 receptor; CD4; CD4mut; T-cell surface antigen T4/Leu-3; T-cell surface glycoprotein CD4