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CyFlow™ CD4 FITC

CyFlow™ CD4 FITC
Alternative Name: Leu3a, T4
Antibody: Yes
Antigen: CD4
Application: Flow cytometry
Clonality: monoclonal
Clone: GK1.5
Emission Maximum: 518 nm
Excitation Maximum: 490 to 495 nm
Field of Interest: Immunophenotyping, MHC
Format/Fluorochrome: FITC
Isotype: IgG2b
Laser: Blue
Regulatory Status: RUO
Source Species: Rat
Target Species: Mouse
Product number: AZ163960

For Research Use Only

$235.00 USD*

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HLDA Workshop HLDA V—WS Code T T-CD04.10 HLDA VI—WS Code T 6T-013 Concentration Unit... more
CyFlow™ CD4 FITC

HLDA WorkshopHLDA V—WS Code T T-CD04.10 HLDA VI—WS Code T 6T-013
Concentration Unitmg/mL
Concentration0,5
Quantity0.1 mg
Volume0.2 mL
ImmunogenMouse CTL clone V4 cells
Background InformationCD4 (T4, Leu3a) is a 55 kDa single-chain transmembrane glycoprotein expressed on a subset of T lymphocytes (''helper'' T-cells) and also on monocytes, tissue macrophages and granulocytes. In extracellular region there are 4 immunoglobulin-like domains (1 Ig-like V-type and 3 Ig-like C2-type). Transmembrane region forms 25 aa, cytoplasmic tail consists of 38 aa. Domains 1, 2 and 4 are stabilized by disulfide bonds. The intracellular domain of CD4 is associated with p56Lck, a Src-like protein tyrosine kinase.
UsageThe reagent is designed for Flow Cytometry analysis. Suggested working usage is 3·µg/ml. Indicated dilution is recommended starting point for use of this product, but working concentrations should be validated by the investigator.
Storage BufferThe reagent is provided in phosphate buffered saline (PBS) solution, pH ≈7.4, containing 0.09% (w/v) sodium azide.
StorageAvoid prolonged exposure to light. Store in the dark at 2-8°C. Do not freeze.
StabilityDo not use after expiration date stamped on vial label.

Specific References

| Dialynas DP, Wilde DB, Marrack P, Pierres A, Wall KA, Havran W, Otten G, Loken MR, Pierres M, Kappler J, et al: 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. 1983; 74:29‑56. < PMID: 6195085 > | Dialynas DP, Quan ZS, Wall KA, Pierres A, Quintáns J, Loken MR, Pierres M, Fitch FW: 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. 1983 Nov; 131(5):2445‑51. < PMID: 6415170 > | Wilde DB, Marrack P, Kappler J, Dialynas DP, Fitch FW: 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. 1983 Nov; 131(5):2178‑83. < PMID: 6195255 > | Wu L, Antica M, Johnson GR, Scollay R, Shortman K: Developmental potential of the earliest precursor cells from the adult mouse thymus. J Exp Med. 1991 Dec 1; 174(6):1617‑27. < PMID: 1683894 > | Godfrey DI, Kennedy J, Gately MK, Hakimi J, Hubbard BR, Zlotnik A: IL‑12 influences intrathymic T cell development. J Immunol. 1994 Mar 15; 152(6):2729‑35. < PMID: 7511624 > | Gavett SH, Chen X, Finkelman F, Wills-Karp M: Depletion of murine CD4+ T lymphocytes prevents antigen‑induced airway hyperreactivity and pulmonary eosinophilia. Am J Respir Cell Mol Biol. 1994 Jun; 10(6):587‑93. < PMID: 8003337 > | Zheng B, Han S, Kelsoe G: T helper cells in murine germinal centers are antigen‑specific emigrants that downregulate Thy‑1. J Exp Med. 1996 Sep 1; 184(3):1083‑91. < PMID: 9064325 > | Felix NJ, Donermeyer DL, Horvath S, Walters JJ, Gross ML, Suri A, Allen PM: Alloreactive T cells respond specifically to multiple distinct peptide‑MHC complexes. Nat Immunol. 2007 Apr; 8(4):388‑97. < PMID: 17322886 > | Yi H, Zhen Y, Zeng C, Zhang L, Zhao Y: Depleting anti‑CD4 monoclonal antibody (GK1.5) treatment: influence on regulatory CD4+CD25+Foxp3+ T cells in mice. Transplantation. 2008 Apr 27; 85(8):1167‑74. < PMID: 18431238 > | Hu M, Watson D, Zhang GY, Graf N, Wang YM, Sartor M, Howden B, Fletcher J, Alexander SI: Long‑term cardiac allograft survival across an MHC mismatch after "pruning" of alloreactive CD4 T cells. J Immunol. 2008 May 15; 180(10):6593‑603. < PMID: 18453578 >