fibronectin

American  

[fahy-bruh-nek-tin] / ˌfaɪ brəˈnɛk tɪn /

noun

Cell Biology.

1. a fibrous protein that binds to collagen, fibrin, and other proteins and also to the cell membranes, functioning as an anchor and connector.

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fibronectin Scientific  

/ fī′brə-nĕk′tn /

1. Any of several glycoproteins that occur especially in plasma and in soft connective tissue. Fibronectins are important for the adhesion of fibrous extracellular tissue matrices and also play roles in cellular adhesion, embryonic cellular differentiation, phagocytosis, and the aggregation of platelets in blood clotting.

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Etymology

Origin of fibronectin

1975–80; fibro- + Latin nect ( ere ) to bind, join together ( see connect, nexus) + -in ²

Example Sentences

See Examples For:

fibronectin

Researchers do not yet understand exactly how this fibronectin variant relates to senescence, but the finding could help scientists better define what makes senescent cells unique.

From Science Daily ● May 15, 2026

"It made us think that excess fibronectin could be preventing the clearance of amyloid deposits from the brain."

From Science Daily ● Apr. 10, 2024

The variant identified in the fibronectin gene seems to protect against Alzheimer's disease by preventing the buildup of excess fibronectin at the blood-brain barrier.

From Science Daily ● Apr. 10, 2024

Unlike silk fibroins that can self assemble, the formation of fibronectin fibrils in the ECM is cell mediated.

From Nature ● Oct. 3, 2012

The company's first product, intended for use in medical research, is a hybrid composed of silkworm protein and fibronectin, a blood protein that promotes cell adhesion.

From Time Magazine Archive