Summary: Researchers have identified a newly discovered gene therapy pathway that could help protect against dementia and cancer by preserving genomic health.
Source: University of Sheffield
Scientists at the University of Sheffield report the discovery of a previously unrecognized gene therapy pathway that reveals an important regulatory mechanism for maintaining genome integrity. This pathway has promising implications for preventing and treating life-limiting conditions such as cancer and neurodegenerative disease.
Cancer and neurodegeneration represent two major and interconnected public health challenges: cancer often arises when cells proliferate uncontrollably because of genome damage, while neurodegenerative disorders can result from excessive genome damage that triggers cell loss. The newly described pathway influences the balance between these outcomes and therefore offers fresh therapeutic opportunities across both fields.
Published in Nature Communications, the study shows that errors occurring when cells read DNA to build proteins can introduce damage into the genome, contributing to diseases including cancer and dementia. By examining how cells detect and repair such damage, the researchers identified a trio of proteins that act together to protect DNA from harm.
The three proteins—USP11, KEAP1 and SETX—operate as a coordinated team under precise spatial and temporal control. Together, they form a regulatory circuit that helps ensure accurate DNA repair during the processes that read and interpret the genetic code. Understanding this interaction clarifies how cells maintain genomic stability and avoid the kinds of damage that can lead to disease.
Armed with this insight, scientists can begin to explore ways to modify the behaviour of these proteins to strengthen the cell’s natural defenses. Manipulating the pathway could reduce the accumulation of harmful DNA lesions or, where appropriate, enable controlled cell death as part of cancer therapies. The ability to fine-tune such responses offers a versatile approach to disease management.
The research opens practical routes for developing diagnostic tools and targeted treatments. Tests that measure activity or levels of USP11, KEAP1 and SETX might allow earlier detection of certain cancers and neurological conditions. Therapeutic drugs that adjust the function or abundance of one or more pathway components could provide new options for preventing genome damage or enhancing the effectiveness of existing treatments.
“The findings are important and significant, this is because we are now at the stage where we could make drugs to control this modification. This would be useful in killing cells, which is what we do when we treat elderly people for cancer. The other application would be to reduce the level of genome damage, which could be beneficial for other aging associated disorders like dementia,” said Professor Sherif El-Khamisy. His comments underscore the translational potential of the discovery, spanning oncology and age-related neurodegeneration.
This work is part of research conducted within the University of Sheffield’s Healthy Lifespan Institute and the Neuroscience Institute. Both centres aim to translate basic laboratory discoveries into real-world health benefits: the Healthy Lifespan Institute focuses on slowing biological ageing and tackling multi-morbidity, while the Neuroscience Institute concentrates on developing new treatments for neurodegenerative disorders.
By revealing how a specific set of proteins coordinates protection against DNA damage, the study strengthens the scientific foundation for future gene therapy approaches, diagnostics and drug development. Continued investigation will be needed to move from fundamental discovery to clinical application, but the pathway offers a promising target for interventions designed to preserve genomic health and reduce the burden of cancer and dementia.
About this genetics, cancer and dementia research news
Author: Emma Griffiths
Source: University of Sheffield
Contact: Emma Griffiths – University of Sheffield
Image: The image is credited to University of Sheffield
Original Research: The study is published in Nature Communications