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CD71 antibody | 8D3

Rat anti Mouse CD71:FITC

Product Type
Monoclonal Antibody

Product Code Applications Pack Size List Price Your Price Qty
Datasheet Datasheet Datasheet
SDS Safety Datasheet SDS
F 0.1 mg loader
List Price Your Price

Rat anti Mouse CD71 antibody, clone 8D3 recognizes mouse CD71, a 763 amino acid ~95 kDa single pass type II cell surface transmembrane glycoprotein, otherwise known as the transferrin receptor. CD71 is a major iron-binding protein, which plays a key role in the transport of iron into cells that require it. In mice, CD71 is widely expressed on a variety of cells, including Sertoli cells and cells which form the blood brain barrier (BBB) in the central nervous system.

Rat anti Mouse CD71 antibody, clone 8D3 recognizes native, soluble and denatured forms of murine CD71. Binding of the 8D3 antibody to CD71 does not inhibit the proliferation of cell lines tested, and does not interfere with the uptake of iron into cells.

Rat anti Mouse CD71 antibody, clone 8D3 has been used as a BBB transporter vector in mice and is suitable for studying CD71 expression, and iron uptake into different tissues, in the mouse (Kissel et al. 1988).

Target Species
Product Form
Purified IgG conjugated to Fluorescein Isothiocyanate Isomer 1 (FITC) - liquid
Purified IgG prepared by affinity chromatography on Protein G from tissue culture supernatant
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
0.09% Sodium Azide (NaN3)
1% Bovine Serum Albumin
Mouse transformed endothelioma cell line t.end1.
Approx. Protein Concentrations
IgG concentration 0.1 mg/ml
Fusion Partners
Spleen cells from immunized Lewis rats were fused with the cells of the mouse NS0 myeloma cell line.
Max Ex/Em
Fluorophore Excitation Max (nm) Emission Max (nm)
FITC 490 525
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 is photosensitive and should be protected from light.

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
Flow Cytometry Neat
Where this product 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 product for use in their own system using appropriate negative/positive controls.
Flow Cytometry
Use 10ul of the suggested working dilution to label 106

Description Product Code Applications Pack Size List Price Your Price Quantity
Rat IgG2a Negative Control:FITC MCA1212F F 100 Tests loader
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Description Rat IgG2a Negative Control:FITC

Description Product Code Applications Pack Size List Price Your Price Quantity
Mouse Seroblock FcR BUF041A F 0.1 mg loader
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Description Mouse Seroblock FcR
Mouse Seroblock FcR BUF041B F 0.5 mg loader
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Description Mouse Seroblock FcR

Source Reference

  1. Kissel, K. et al. (1998) Immunohistochemical localization of the murine transferrin receptor (TfR) on blood-tissue barriers using a novel anti-TfR monoclonal antibody.
    Histochem cell Biol. 110: 63-72.

References for CD71 antibody

  1. Lee, H.J. et al. (2000) Targeting rat anti-mouse transferrin receptor monoclonal antibodies through blood-brain barrier in mouse.
    J Pharmacol Exp Ther. 292 (3): 1048-52.
  2. Lee, H.J. et al. (2002) Imaging gene expression in the brain in vivo in a transgenic mouse model of Huntington's disease with an antisense radiopharmaceutical and drug-targeting technology.
    J Nucl Med. 43 (7): 948-56.
  3. Zhang, Y. et al. (2004) Intravenous RNA interference gene therapy targeting the human epidermal growth factor receptor prolongs survival in intracranial brain cancer.
    Clin Cancer Res. 10 (11): 3667-77.
  4. Manich, G. et al. (2013) Study of the transcytosis of an anti-transferrin receptor antibody with a Fab' cargo across the blood-brain barrier in mice.
    Eur J Pharm Sci. 49 (4): 556-64.
  5. Cabezón I et al. (2015) Trafficking of Gold Nanoparticles Coated with the 8D3 Anti-Transferrin Receptor Antibody at the Mouse Blood-Brain Barrier.
    Mol Pharm. 12 (11): 4137-45.
  6. Sehlin, D. et al. (2016) Antibody-based PET imaging of amyloid beta in mouse models of Alzheimer's disease.
    Nat Commun. 7: 10759.
  7. Sehlin, D. et al. (2017) Pharmacokinetics, biodistribution and brain retention of a bispecific antibody-based PET radioligand for imaging of amyloid-β.
    Sci Rep. 7 (1): 17254.
  8. Monge, M. et al. (2020) Functionalized PLGA nanoparticles prepared by nano-emulsion templating interact selectively with proteins involved in the transport through the blood-brain barrier.
    Eur J Pharm Biopharm. 156: 155-64.
  9. View The Latest Product References

Further Reading

  1. Jones AR & Shusta EV (2007) Blood-brain barrier transport of therapeutics via receptor-mediation.
    Pharm Res. 24 (9): 1759-71.
  2. Pardridge WM (2007) Blood-brain barrier delivery of protein and non-viral gene therapeutics with molecular Trojan horses.
    J Control Release. 122 (3): 345-8.
  3. Boado RJ et al. (2009) Engineering and expression of a chimeric transferrin receptor monoclonal antibody for blood-brain barrier delivery in the mouse.
    Biotechnol Bioeng. 102 (4): 1251-8.

Transferrin Receptor
Entrez Gene
GO Terms
GO:0005886 plasma membrane
GO:0008233 peptidase activity
GO:0005381 iron ion transmembrane transporter activity
GO:0016021 integral to membrane
GO:0004998 transferrin receptor activity
GO:0005768 endosome
GO:0006508 proteolysis
GO:0006879 cellular iron ion homeostasis
GO:0006897 endocytosis
GO:0042470 melanosome
GO:0048471 perinuclear region of cytoplasm
GO:0070062 extracellular vesicular exosome


166942 1701

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