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transferrin

American

[trans-fer-in] / trænsˈfɛr ɪn /

noun

Biochemistry.

a plasma glycoprotein that transports dietary iron to the liver, spleen, and bone marrow.

transferrin British

/ trænsˈfɜːrɪn /

noun

Also called: beta globulin, siderophilin. biochem any of a group of blood glycoproteins that transport iron

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of transferrin

1947; trans- + Latin ferr ( um ) iron + -in ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

transferrin

When the antibody plugs into the capillary’s transferrin receptor, a portal through the blood-brain barrier opens up.

From Barron's ● Jun. 3, 2026

Food and Drug Administration approved Avlayah, which taps the transferrin receptor to bring in the enzyme that is missing from the brain cells of children born with Hunter Syndrome.

From Barron's ● Jun. 3, 2026

The AAV binds to the human transferrin receptor, which is highly expressed in the blood-brain barrier in humans.

From Science Daily ● May 16, 2024

The team's screening technique identified an AAV called BI-hTFR1 that binds human transferrin receptor, enters human brain cells, and bypasses a human cell model of the blood-brain barrier.

From Science Daily ● May 16, 2024

Both enable the oxidation of iron from Fe2+ to Fe3+, a form in which it can be bound to its transport protein, transferrin, for transport to body cells.

From Textbooks ● Jun. 19, 2013

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023