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p53 gene

A gene that is thought to play a role in regulating cell death or apoptosis, in suppressing tumors, in regulating the cell cycle, and in stopping the cell from dividing when the DNA is damaged.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.