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CD4 antibody | GK1.5

Rat anti Mouse CD4

Product Type
Monoclonal Antibody
Clone
GK1.5
Isotype
IgG2b
Specificity
CD4

Product Code Applications Pack Size List Price Your Price Qty
MCA4635GA
Datasheet Datasheet Datasheet
SDS Safety Datasheet SDS
C E F IF IP WB 0.1 mg loader
List Price Your Price
loader
MCA4635
Datasheet Datasheet Datasheet
SDS Safety Datasheet SDS
C E F IF IP WB 0.25 mg loader
List Price Your Price
loader
MCA4635T
Datasheet Datasheet Datasheet
SDS Safety Datasheet SDS
C E F IF IP WB 25 µg loader
List Price Your Price
loader

Rat anti Mouse CD4 antibody, clone GK1.5 recognizes mouse CD4, a ~55 kDa protein also known as Ly-4 and L3T4. CD4 is a single chain transmembraneous glycoprotein which belongs to the immunoglobulin superfamily, and is primarily expressed on T helper cells, peripheral blood monocytes and tissue macrophages. CD4 is also expressed on a subpopulation of regulatory T cells (CD4+ CD25+), which play a key role in the maintenance of self tolerance.

Rat anti Mouse CD4 antibody, clone GK1.5 has been reported to block CD4+ T-cell activation. It blocks class II MHC antigen-specific binding, thereby inhibiting functions such as class II MHC antigen-specific proliferation and the release of lymphokines. It may also be used for in vivo and in vitro cell depletion of CD4+ T-cells.

Target Species
Mouse
Product Form
Purified IgG - liquid
Preparation
Purified IgG prepared by affinity chromatography on Protein G from tissue culture supernatant
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
0.09%Sodium Azide
Carrier Free
Yes
Immunogen
Murine CD4.
Approx. Protein Concentrations
IgG concentration 1.0 mg/ml
Fusion Partners
Spleen cells from immunised Lewis rats were fused with cells of the SP2/0 myeloma cell line.
Regulatory
For research purposes only
Guarantee
12 months from date of despatch

This product is shipped at ambient temperature. It is recommended to aliquot and store at -20°C on receipt. When thawed, aliquot the sample as needed. Keep aliquots at 2-8°C for short term use (up to 4 weeks) and store the remaining aliquots at -20°C.

Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
ELISA
Flow Cytometry 1/10 1/200
Immunofluorescence
Immunohistology - Frozen
Immunoprecipitation
Western Blotting
Where this antibody has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the antibody for use in their own system using appropriate negative/positive controls.
Flow Cytometry
Use 10ul of the suggested working dilution to label 1x106 cells in 100ul.

Description Product Code Applications Pack Size List Price Your Price Quantity
Goat anti Rat IgG:Alk. Phos. (Mouse Adsorbed) STAR131A C E P WB 1 ml loader
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Description Goat anti Rat IgG:Alk. Phos. (Mouse Adsorbed)
Goat anti Rat IgG:Biotin (Mouse Adsorbed) STAR131B C E IF P WB 0.5 mg loader
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Description Goat anti Rat IgG:Biotin (Mouse Adsorbed)
Rabbit F(ab')2 anti Rat IgG:Dylight®800 STAR16D800GA F IF WB 0.1 mg loader
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Description Rabbit F(ab')2 anti Rat IgG:Dylight®800
Rabbit F(ab')2 anti Rat IgG:FITC STAR17B F 1 mg loader
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Description Rabbit F(ab')2 anti Rat IgG:FITC
Rabbit F(ab')2 anti Rat IgG:HRP STAR21B C E P RE 1 mg loader
List Price Your Price
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Description Rabbit F(ab')2 anti Rat IgG:HRP
Goat F(ab')2 anti Rat IgG:FITC (Mouse Adsorbed) STAR69 F 0.5 ml loader
List Price Your Price
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Description Goat F(ab')2 anti Rat IgG:FITC (Mouse Adsorbed)
Goat anti Rat IgG:DyLight®550 (Mouse Adsorbed) STAR71D550 F IF WB 0.1 mg loader
List Price Your Price
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Description Goat anti Rat IgG:DyLight®550 (Mouse Adsorbed)
Goat anti Rat IgG:DyLight®650 (Mouse Adsorbed) STAR71D650 F IF 0.1 mg loader
List Price Your Price
loader
Description Goat anti Rat IgG:DyLight®650 (Mouse Adsorbed)
Goat anti Rat IgG:Dylight®800 (Mouse Adsorbed) STAR71D800GA F IF WB 0.1 mg loader
List Price Your Price
loader
Description Goat anti Rat IgG:Dylight®800 (Mouse Adsorbed)
Goat anti Rat IgG:HRP (Mouse Adsorbed) STAR72 C E P 0.5 mg loader
List Price Your Price
loader
Description Goat anti Rat IgG:HRP (Mouse Adsorbed)
Goat F(ab')2 anti Rat IgG:RPE (Mouse Adsorbed) STAR73 F 0.5 ml loader
List Price Your Price
loader
Description Goat F(ab')2 anti Rat IgG:RPE (Mouse Adsorbed)

References for CD4 antibody

  1. Dialynas, D.P. et al. (1983) Characterization of the murine T cell surface molecule, designated L3T4, identified by monoclonal antibody GK1.5: similarity of L3T4 to the human Leu-3/T4 molecule.
    J Immunol. 131 (5): 2445-51.
  2. Wilde, D.B. et al. (1983) Evidence implicating L3T4 in class II MHC antigen reactivity; monoclonal antibody GK1.5 (anti-L3T4a) blocks class II MHC antigen-specific proliferation, release of lymphokines, and binding by cloned murine helper T lymphocyte lines.
    J Immunol. 131 (5): 2178-83.
  3. Näher, H. et al. (1985) Dynamics of T cells of L3T4 and Ly 2 phenotype within granulomas in murine listeriosis.
    Clin Exp Immunol. 60 (3): 559-64.
  4. Ye, X. et al. (2000) Transient depletion of CD4 lymphocyte improves efficacy of repeated administration of recombinant adenovirus in the ornithine transcarbamylase deficient sparse fur mouse.
    Gene Ther. 7 (20): 1761-7.
  5. Chu, N.R. et al. (2000) Immunotherapy of a human papillomavirus (HPV) type 16 E7-expressing tumour by administration of fusion protein comprising Mycobacterium bovis bacille Calmette-Guérin (BCG) hsp65 and HPV16 E7.
    Clin Exp Immunol. 121:216-25
  6. Zhou, Z. et al. (2011) Autoreactive marginal zone B cells enter the follicles and interact with CD4+ T cells in lupus-prone mice.
    BMC Immunol. 12: 7.
  7. Pletinckx, K. et al. (2015) Immature dendritic cells convert anergic nonregulatory T cells into Foxp3- IL-10+ regulatory T cells by engaging CD28 and CTLA-4.
    Eur J Immunol. 45 (2): 480-91.
  8. Foy, S.P. et al. (2016) Poxvirus-Based Active Immunotherapy with PD-1 and LAG-3 Dual Immune Checkpoint Inhibition Overcomes Compensatory Immune Regulation, Yielding Complete Tumor Regression in Mice.
    PLoS One. 11 (2): e0150084.
  9. View The Latest Product References
  10. Steinl, D.C. et al. (2016) Noninvasive Contrast-Enhanced Ultrasound Molecular Imaging Detects Myocardial Inflammatory Response in Autoimmune Myocarditis.
    Circ Cardiovasc Imaging. 9 (8): .
  11. Olesen, M. N. et al. (2018) CD4 T cells react to local increase of α-synuclein in a pathology-associated variant-dependent manner and modify brain microglia in absence of brain pathology
    Heliyon. 4 (1): e00513.
  12. Jalili, R.B. et al. (2018) Fibroblast cell-based therapy prevents induction of alopecia areata in an experimental model.
    Cell Transplant. 27 (6): 994-1004.
  13. Zheng, Z. et al. (2022) In Vivo. Inhibition of TRPC6 by SH045 Attenuates Renal Fibrosis in a New Zealand Obese (NZO) Mouse Model of Metabolic Syndrome.
    Int J Mol Sci. 23(12):6870.

Further Reading

  1. Dialynas, D.P. et al. (1983) Characterization of the murine antigenic determinant, designated L3T4a, recognized by monoclonal antibody GK1.5: expression of L3T4a by functional T cell clones appears to correlate primarily with class II MHC antigen-reactivity.
    Immunol Rev. 74: 29-56.

Synonyms
L3T4 Antigen
LY-4
RRID
AB_1898233
UniProt
P06332
Entrez Gene
Cd4
GO Terms
GO:0001816 cytokine production
GO:0007155 cell adhesion
GO:0016021 integral to membrane
GO:0005788 endoplasmic reticulum lumen
GO:0005789 endoplasmic reticulum membrane
GO:0006955 immune response
GO:0007166 cell surface receptor linked signaling pathway
GO:0009897 external side of plasma membrane
GO:0045058 T cell selection
GO:0045121 membrane raft
GO:0050731 positive regulation of peptidyl-tyrosine phosphorylation
GO:0050850 positive regulation of calcium-mediated signaling
GO:0050870 positive regulation of T cell activation
GO:0051789 response to protein stimulus

MCA4635GA

148202

MCA4635

1609

MCA4635T

158901 1612 167266

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