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Close-up painting of hands drawing the DNA helix.
Measuring Mutagenesis with Precision Genome Editing
A new prime editing sensor library targeting p53 mutations allowed scientists to interrogate thousands of tumor genotypes as they arose in endogenous contexts.
Measuring Mutagenesis with Precision Genome Editing
Measuring Mutagenesis with Precision Genome Editing

A new prime editing sensor library targeting p53 mutations allowed scientists to interrogate thousands of tumor genotypes as they arose in endogenous contexts.

A new prime editing sensor library targeting p53 mutations allowed scientists to interrogate thousands of tumor genotypes as they arose in endogenous contexts.

p53

One Protein to Rule Them All
Shelby Bradford, PhD | Feb 28, 2024 | 10+ min read
p53 is possibly the most important protein for maintaining cellular function. Losing it is synonymous with cancer.
multiple generations of family members eating at outdoor table
Sun Exposure Triggers Hunger in Men but Not Women, Study Suggests
Shafaq Zia | Jul 12, 2022 | 4 min read
Ultraviolet radiation leads to secretion of an appetite-boosting hormone in male mice, but experts say it’s not yet clear whether the mechanism applies to humans.
Illustration of two weaving proteins 
Fusion with Spider Silk Increases Anticancer Protein’s Stability
Dan Robitzski | Jul 5, 2022 | 2 min read
Scientists found that combining the notoriously flimsy anticancer protein p53 with a domain from a spider silk protein resulted in a more stable hybrid that’s more potent and easier for cells to synthesize.
visualization of p53 protein interacting with its inhibitors MDM2 and MDMX
p53 Unleashes Endogenous Retroviruses to Tackle Tumors: Study
Marcus A. Banks | Jul 29, 2021 | 4 min read
New experiments suggest the famous tumor-suppressing protein uses viral elements lingering in the genome to get cancerous cells to announce their presence to the immune system.
Bispecific Antibodies Treat Cancer in Mouse Models
Abby Olena, PhD | Mar 5, 2021 | 4 min read
A trio of papers shows that specialized antibodies can direct T cells to destroy cells that display portions of mutant cancer-related proteins, as well as T cells that have become cancerous themselves.
p53 as an Immune System Modulator in Cancer
The Scientist | Sep 25, 2020 | 1 min read
Best known as a cell cycle regulator, p53 signaling mediates pro and anti-cancer immune responses as well
Elephants Revived a “Zombie” Gene that May Fend Off Cancer
Kerry Grens | Aug 15, 2018 | 1 min read
DNA damage kick-starts what was once a defunct duplicated gene, which kills off injured cells.
CRISPR Efficiency Tied to Cancer-Causing Process
Kerry Grens | Jun 11, 2018 | 2 min read
Two studies find the genome-editing technique works best when cells have a faulty DNA-damage response that’s frequently present in cancers.  
Cell Lines Gain Cancer-Related Mutations
Kerry Grens | Apr 27, 2017 | 1 min read
A screen of human embryonic stem cell lines finds several that accumulated changes in the gene TP53, including aberrations commonly seen in cancer.
Explaining Elephants’ Cancer Resistance
Jef Akst | Oct 13, 2015 | 2 min read
Two studies reveal that the giant mammals have dozens of extra copies of a cancer-preventing gene.
Setbacks and Great Leaps
Sue Armstrong | Apr 1, 2015 | 3 min read
The tale of p53, a widely studied tumor suppressor gene, illustrates the inventiveness of researchers who turn mishaps into discoveries.
Book Excerpt from p53
Sue Armstrong | Mar 31, 2015 | 4 min read
In Chapter 12, "Of Mice and Men," author Sue Armstrong recounts the point at which researchers moved from working with p53 in tissue culture to studying the gene in animal models.
An Obesity-Cancer Link?
Edyta Zielinska | Nov 22, 2011 | 1 min read
Why obese individual are more likely to get cancer could be partly explained by a gene that activates both pathways.
MicroRNAs Prevent Cell Reprogramming
Cristina Luiggi | Oct 24, 2011 | 1 min read
A group of microRNAs can inhibit the formation of induced pluripotent stem cells, and may provide a target for more efficient reprogramming of somatic cells.
The Axis of Aging
Hannah Waters | Jun 14, 2011 | 1 min read
Editor's choice in developmental biology
Top 7 in molecular biology
Megan Scudellari | Jun 14, 2011 | 3 min read
A snapshot of the most highly ranked articles in molecular biology, from Faculty of 1000.
Taking Aim at p53: Researchers are targeting the tumor suppressor with vectors, viruses, and small molecules
Paul Smaglik | Jan 17, 1999 | 7 min read
p53 has emerged as one of the top targets in the war against cancer.
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