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growth factor

American

noun

any of various proteins that promote the growth, organization, and maintenance of cells and tissues.

growth factor British

noun

any of several substances present in serum that induce growth of cells. Excessive amounts of growth factor may be associated with the production of cancer cells

"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

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growth factor

One important ingredient was TGF-b, transforming growth factor beta.

From Science Daily ● Aug. 25, 2026

Over at GlaxoSmithKline, a partnership with Korea’s ABL Bio will use the receptor for the insulinlike growth factor as a portal for neurology drugs.

From Barron's ● Jun. 3, 2026

The researchers then used molecular modeling to better understand the interactions between nerve growth factor, TrkA, and NRP1 at the surface of cells.

From Science Daily ● Dec. 5, 2024

Their modeling suggests that two molecules of nerve growth factor, two molecules of TrkA, and two molecules of NRP1 together form a pain signaling complex.

From Science Daily ● Dec. 5, 2024

As a group, they possessed a growth factor forcing them beyond the confines of the culture in which they lived.

From The Colonists by Raymond F. Jones

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