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New gene therapy pathway could protect from cancer and dementia: Research

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Researchers from the University of Sheffield have discovered a new gene therapy pathway that has uncovered an important regulatory mechanism to keep our genome healthy

Researchers from the University of Sheffield have discovered a new gene therapy pathway that has the potential to protect us against serious life-limiting diseases such as cancer and dementia.

Researchers from the University of Sheffield have discovered a new gene therapy pathway that has uncovered an important regulatory mechanism to keep our genome healthy. This pathway has the potential to protect us against serious life-limiting diseases such as cancer and dementia.

Cancer and neurodegeneration are two major health challenges currently affecting the population, and they constitute two sides of the same coin – one is caused by uncontrolled cell proliferation due to genome damage, and the other is caused by excessive genome damage that causes cell death. This new pathway impacts both and offers new therapeutic opportunities to help the fight against disease.

Published in Nature Communications, the research found that when cells in our body read DNA to build proteins, they often make mistakes that can damage our genome, causing disease such as cancer and dementia. However, by investigating how cells fix damage in the DNA to keep us healthy, scientists have discovered the benefits of three proteins working together as a team. The three proteins, called USP11, KEAP1 and SETX, receive instructions from their coach to direct their function in space and time with remarkable harmony, to keep our DNA healthy.

By understanding how cells protect themselves from these mistakes and thus preventing diseases, scientists are able to modify the behaviour of these proteins to promote the health and wellbeing of people.

Findings from this study will enable scientists to develop diagnostic tests and drugs to target one or more of the proteins in the pathway for the early detection and treatment of certain types of cancer and neurological disease. Developing new drugs to regulate the level of one or more of these proteins is expected to offer new treatments for cancer and dementia.

“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 ageing associated disorders like dementia”, says Professor Sherif El-Khamisy, Co-Founder and Deputy Director of the Healthy Lifespan Institute at the University of Sheffield and a professor from the University’s School of Biosciences and the Neuroscience Institute at the University of Sheffield.

The work forms part of the research taking place at the University of Sheffield’s Healthy Lifespan Institute and the Neuroscience Institute.

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