3969316

CD25 Rat anti-Mouse, FITC, Clone: 7D4, BD

Rat Monoclonal Antibody

Manufacturer: Fischer Scientific

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Antigen

CD25

Concentration

0.5mg/mL

Classification

Monoclonal

Host Species

Rat

Research Discipline

Immunology

Formulation

Aqueous buffered solution containing ≤0.09% sodium azide.

Isotype

IgM κ

Purification Method

Affinity Purified

Description

IL-2 Receptor α chain, p55

Clone

7D4

Applications

Flow Cytometry

Conjugate

FITC

Regulatory Status

RUO

Target Species

Mouse

Immunogen

IL-2-dependent BALB/c mouse helper T-cell clone HT-2

Primary or Secondary

Primary

Content And Storage

Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.

Description

  • The 7D4 antibody reacts with CD25, the low affinity IL-2 Receptor (IL-2Rα, p55) expressed on activated T and B lymphocytes from all mouse strains tested
  • IL-2Rα by itself is not a signaling receptor
  • However, it can combine with IL-2 Receptor β (CD122) and γ (CD132) chains to form high-affinity, signaling receptor complexes for IL-2
  • Resting T and B lymphocytes and resting and activated NK cells do not express IL-2Rα
  • CD25 is transiently expressed at a low level during normal B-cell development in the bone marrow on the CD45R/B220low TdT- sIg- Pre-B/Pre-B-II and CD45R/B220low TdT- sIgM+ sIgD- immature B stages, but not on the CD45R/B220low TdT+ sIg- Pro-B/Pre-B-I stage nor on CD45R/B220high TdTsIgM+ sIgD+ mature B cells
  • It is expressed at a higher level during a very early stage of T-cell development in fetal and adult thymus
  • Peripheral CD25+ CD4+ T lymphocytes called regulatory T (Treg) cells are involved in the maintenance of self-tolerance
  • It has also been reported that dendritic cells express CD25, recognized by mAb 7D4 (Cat
  • no
  • 553068)
  • The 3C7 antibody recognizes an epitope of CD25 which is distinct from those recognized by mAbs 7D4 and PC61 (Cat
  • no
  • 553866), and it blocks binding of IL-2 to CD25
  • This antibody is routinely tested by flow cytometric analysis
  • Other applications were tested at BD Biosciences Pharmingen during antibody development only or reported in the literature
  • Host Species: Rat Clone: 7D4 Isotype: IgM, κ Species Reactivity: Mouse Immunogen: IL-2-dependent BALB/c mouse helper T-cell clone HT-2 Flow Cytometry

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Aqueous buffered solution containing ≤0.09% sodium azide.

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