Transferrin Receptor

TfR; CD71

Transferrin Receptor is a transmembrane glycoprotein. Transferrin Receptor consists of two isoforms, TfR1 and TfR2. Transferrin Receptor mediates the uptake of transferrin-iron complexes. Transferrin Receptor plays an important role in iron homeostasis as a gatekeeper regulating transferrin iron uptake. Transferrin Receptor is also considered as a proliferation marker and an attractive target for anticancer agents (e.g., a marker of poor prognosis in breast cancer). Transferrin Receptor is associated with a variety of cancers including acute leukemia and breast cancer^[1]^[2]^[3]^[4]^[5]^[6].

References:

[1]. Marsee DK, et al. CD71 (transferrin receptor): an effective marker for erythroid precursors in bone marrow biopsy specimens. Am J Clin Pathol. 2010 Sep;134(3):429-35. [Content Brief]

[2]. Liu Q, et al. Significance of CD71 expression by flow cytometry in diagnosis of acute leukemia. Leuk Lymphoma. 2014 Apr;55(4):892-8. [Content Brief]

[3]. Dong HY, et al. CD71 is selectively and ubiquitously expressed at high levels in erythroid precursors of all maturation stages: a comparative immunochemical study with glycophorin A and hemoglobin A. Am J Surg Pathol. 2011 May;35(5):723-32. [Content Brief]

[4]. Habashy HO, et al. Transferrin receptor (CD71) is a marker of poor prognosis in breast cancer and can predict response to tamoxifen. Breast Cancer Res Treat. 2010 Jan;119(2):283-93. [Content Brief]

[5]. Hagag AA, et al. Prognostic Value of Transferrin Receptor-1 (CD71) Expression in Acute Lymphoblastic Leukemia. Endocr Metab Immune Disord Drug Targets. 2018;18(6):610-617. [Content Brief]

[6]. Kleven MD, et al. Transferrin Receptors TfR1 and TfR2 Bind Transferrin through Differing Mechanisms. Biochemistry. 2018 Mar 6;57(9):1552-1559. [Content Brief]

Transferrin Receptor Related Products (30):

By Effects:	Ligand (1) Inhibitors (11) Activators (2)

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-P991380

TXB4	Inhibitor
TXB4 is a brain-permeable human monoclonal antibody (mAb) targeting CD71. TXB4 prevents 6-OHDA-induced death of TH-positive neurons in the SNc in a 6-OHDA mouse model of Parkinson's disease (PD). TXB4 can be used in neurodegenerative diseases, acute brain and spinal cord injury, and depression research.

HY-173444

HDAC11-IN-3	Activator
HDAC11-IN-3 (Compound A9) is a selective HDAC11 inhibitor (IC₅₀: 4.1 nM). HDAC11-IN-3 has inhibitory effects on U937 and OCI-AML2 acute myeloid leukemia (AML) cell lines (IC₅₀: 10 μM). HDAC11-IN-3 has significant anti-AML activity, inducing apoptosis, cell cycle arrest, and differentiation. HDAC11-IN-3 upregulates the iron transporters transferrin (TF) and transferrin receptor (TFRC), and activates the p62-Keap1-Nrf2-HMOX1 pathway, which together lead to increased intracellular iron levels and induce ferroptosis in AML cells. HDAC11-IN-3 can be used alone or in combination with Cytarabine (HY-13605) for AML research.

HY-177483

OART
OART (Oxaliplatin-artesunate) is a ferroptosis inducer. OART significantly inhibits tumor cell proliferation. OART induces cytoplasmic and mitochondrial LPO to promote tumor ferroptosis, via destroying glutathione-mediated ferroptosis defense system and enhancing iron-dependent Fenton reaction. OART enhances tumor immunogenicity, transforming tumor environment from immunosuppressive to immunosensitive. OART has strong tumor regression in tumor-bearing mouse models. OART can be used for cancer immunotherapy research.

HY-P11099

Cys-LT7	Ligand
Cys-LT7 is a Cys-modified analog of LT7 peptide. LT7 (HAIYPRH) is a TfR homing peptide with binding site for TfR distinct from that of Tf. Cys-LT7 can be used to construct TfR-targeted drug delivery systems.

HY-P990791

Anti-Mouse CD71/TfR1 Antibody (R17 217.1.3)	Inhibitor
Anti-Mouse CD71/TfR1 Antibody (R17 217.1.3) is a rat-derived IgG2a κ type antibody inhibitor, targeting to mouse CD71/TfR1. Anti-Mouse CD71/TfR1 Antibody (R17 217.1.3) can deplete CD71⁺ cells and inhibit transferrin receptor. Anti-Mouse CD71/TfR1 Antibody (R17 217.1.3) can be used for the researches of cancer, infection, inflammation and immunology, such as lung cancer, lymphocytic choriomeningitis virus (LCMV) infection and Cardiac allograft.

HY-P10928A

BCY17901	Inhibitor
BCY17901 is a potent irreversible transferrin receptor 1 (TfR1) inhibitor (K_i=12 nM). BCY17901 inhibits TfR1-mediated endocytosis and iron transport, and suppresses the proliferation of tumor cells dependent on iron metabolism. BCY17901 can be used in the research of solid tumors (such as breast cancer, glioblastoma) and neurodegenerative diseases.

HY-P990780

Zeleciment		98.85%
Zeleciment is an anti-TFRC IgG1κ monoclonal antibody.

HY-P991381

JST-TfR09	Inhibitor
TXB4 (PPMX-T003) is a human monoclonal antibody (mAb) targeting CD71. JST-TfR09 can induce ferroptosis by reducing ferritin levels in ATLL cell lines, increasing the generation of ferrous iron and reactive oxygen species (ROS), and inducing lipid peroxidation via malondialdehyde. JST-TfR09 can be used in leukemia research. Recommended isotype control: Human IgG1 kappa, Isotype Control (HY-P99001).

HY-P99694

Lepunafusp alfa	Inhibitor
Lepunafusp alfa (JR-171) is a BBB-penetrable fusion protein consisting of J-Brain Cargo and IDUA (a lysosomal enzyme, α-L-iduronidase). Lepunafusp alfa can reduce concentration of heparan sulfate (HS) and dermatan sulfate (DS). Lepunafusp alfa can be used for research of mucopolysaccharidosis type I.

HY-D2426

Cy3-Transferrin
Cy3-Transferrin is a fluorescent labeling reagent that combines Cy3 (HY-D0822) fluorescent dye and Transferrin (HY-P3267). The Cy3 fluorophore is commonly used in applications such as immunolabeling, nucleic acid labeling, fluorescence microscopy, and flow cytometry. Cy3 has an emission maximum around 562-570 nm. Transferrin, a blood-plasma glycoprotein, is a target ligand for transferrin receptor. Transferrin can bind to and mediate the transport of iron.

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