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CD4 FITC - CD28 PE Bi-Test Reagent

FACS Reactivity: Human FACS FITC,PE Host: Mouse
Catalog No. ABIN2763724

Quick Overview for CD4 FITC - CD28 PE Bi-Test Reagent (ABIN2763724)

Target

CD4 + CD28

Reactivity

Human

Host

Mouse

Conjugate

FITC,PE

Application

Flow Cytometry (FACS)
  • Brand

    Bi-Test™

    Purification

    Protein A/G Chromatography

    Isotype

    IgG1
  • Restrictions

    For Research Use only
  • Storage

    4 °C
  • Target

    CD4 + CD28

    Alternative Name

    CD4, CD28

    Background

    Identification of CD4 on human helper/inducer T cells expressing the 60,000 M.W. surface antigen (HLA class II reactive). CD4 is present in low density on monocytes. Anti-human CD28 binds the 44 kDa MW cell surface protein on the surface of most T cells. CD28 acts as the ligand for the B7/BB-1 Molecule on the surface of activated B cells. B7/BB-1 co-stimulates T cells through CD28, along with CD2 and CD3. CD28 antigen is a disulfide-linked homodimeric glycoprotein. The CD28 antigen is present on approximately 60 % -80 % of lymphocytes (95 % of CD4 and 50 % of CD8 lymphocytes). CD28 regulates the expression of cytokines by T cells, not only IL-2, but also IL-1 alpha and CSF-1, usually synthesized by accessory cells. CD28 functions as a cell adhesion molecule (CAM) for certain T cell subsets.
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