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

Given the newfound role of NRP1 in nerve growth factor pain signaling, the researchers envision several ways that this knowledge can be used to redeploy existing therapies to treat pain and create new ones.

From Science Daily ● Dec. 5, 2024

Nerve growth factor is a protein that stimulates the development of neurons.

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