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CD52 antibody | YTH66.9HL

Rat anti Human CD52

Product Type
Monoclonal Antibody

Product Code Applications Pack Size List Price Your Price Qty
Datasheet Datasheet Datasheet
SDS Safety Datasheet SDS
C CT F WB 0.1 ml loader
List Price Your Price

Rat anti Human CD52 antibody, clone YTH66.9HL recognizes human CD52, also known as CAMPATH-1. The CD52 antigen is a small heavily glycosylated peptide attached to the cell surface membrane via a GPI link. The apparent molecular mass of the antigen on SDS-PAGE is 25-29 kDa.

CD52 is expressed at high density by lymphocytes, monocytes, eosinophils, thymocytes and macrophages. It is expressed by most lymphoid derived malignancies, although expression on myeloma cells is variable.

Humanized versions of CAMPATH-1 specific antibodies are used for the treatment of a range of lymphoid malignancies (Blatt et al. 2014).

Target Species
Species Cross-Reactivity
Target SpeciesCross Reactivity
Cynomolgus monkey
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Ig fraction - liquid
Ig fraction prepared by ammonium sulphate precipitation from tissue culture supernatant.
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
<0.1% Sodium Azide (NaN3)
Human T lymphocytes.
Approx. Protein Concentrations
IgM concentration 2 mg/ml
Fusion Partners
Spleen cells from an immunized DA rat were fused with cells of the Y3/Ag.1.2.3 myeloma cell line.
For research purposes only
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
Cytotoxic Assays
Flow Cytometry 1/20
Immunohistology - Frozen 1/20
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 106 cells in 100ul.

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References for CD52 antibody

  1. Hale, G. et al. (1985) Reactivity of rat monoclonal antibody CAMPATH-1 with human leukaemia cells and its possible application for autologous bone marrow transplantation.
    Br J Haematol. 60 (1): 41-8.
  2. Hale, G. et al. (1998) Improving the outcome of bone marrow transplantation by using CD52 monoclonal antibodies to prevent graft-versus-host disease and graft rejection.
    Blood. 92 (12): 4581-90.
  3. Hale, G. et al. (1983) Effects of monoclonal anti-lymphocyte antibodies in vivo in monkeys and humans.
    Mol Biol Med. 1 (3): 321-34.
  4. van der Windt, D.J. et al. (2010) Investigation of lymphocyte depletion and repopulation using alemtuzumab (Campath-1H) in cynomolgus monkeys.
    Am J Transplant. 2010 Apr;10(4):773-83.
  5. van Wanrooij, R.L.J. et al. (2021) Adult-Onset Autoimmune Enteropathy in an European Tertiary Referral Center.
    Clin Transl Gastroenterol. 12 (8): e00387.

Entrez Gene
GO Terms
GO:0005887 integral to plasma membrane
GO:0005624 membrane fraction
GO:0007204 elevation of cytosolic calcium ion concentration
GO:0031225 anchored to membrane
GO:0045730 respiratory burst


156436 157787 180412

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