Rb
Americanabbreviation
symbol
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.
RB1 acts as a suppressor because its protein, Rb, inhibits a transcription factor involved in cell proliferation.
From Nature
Such cellular dedifferentiation in the absence of Rb has also been observed in prostate cancer5.
From Nature
"By specifically targeting pathways controlled by the Rb protein, it would be possible to switch-off the messages that encourage cancer cells to invade, and inhibit the spread of the tumour."
From BBC
The team tested the idea by taking muscle cells from mice and temporarily depleting the Rb and ARF inside.
From US News
Mammals possess both the Rb gene and a backup, called the Arf gene, which will close down a cancer-prone cell if Rb fails to do so.
From New York Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.