Related Experiment Video
Updated: Jun 20, 2026

14:57
Yeast As a Chassis for Developing Functional Assays to Study Human P53
Published on: August 4, 2019
p53 ancestry: gazing through an evolutionary lens.
Wan-Jin Lu1, James F Amatruda, John M Abrams
1Wan-Jin Lu and John M. Abrams are at the Department of Cell Biology, University of Texas, Southwestern Medical Center, Dallas, Texas 75390, USA.
Nature Reviews. Cancer
|September 25, 2009
Summary
The p53 gene family predates cancer, suggesting its tumor-suppressing and oncogenic roles evolved from earlier functions. Understanding these primordial activities may unlock new cancer therapies.
Area of Science:
- Evolutionary biology
- Molecular genetics
- Cancer research
Background:
- The p53 gene family plays critical roles in cancer suppression and oncogenesis.
- Evolutionary analysis reveals p53 predates the existence of cancer.
Purpose of the Study:
- To investigate the primordial functions of p53 genes before their involvement in cancer.
- To explore potential therapeutic strategies based on ancestral p53 activities.
Main Methods:
- Comparative genomics to trace p53 gene evolution.
- Bioinformatic analysis of ancestral protein functions.
- Literature review of p53's known roles.
Main Results:
- Evidence suggests p53's current functions were co-opted from pre-existing activities.
- Hypotheses are proposed regarding the ancestral roles of p53.
Conclusions:
- The evolutionary history of p53 offers insights into its fundamental biological roles.
- Knowledge of primordial p53 functions may pave the way for novel cancer treatment approaches.
Related Concept Videos
Evolutionary Relationships through Genome Comparisons
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
Abnormal Proliferation
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
Pedigree Analysis
Overview

