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I work at the UK Dementia Research Institute at University College London. Our lab is involved in developing new biological tests that can give us important information about the diseases that cause dementia. These biological measurements are called biomarkers and can take many different forms, but we are interested specifically in measurements from human body fluids such as blood and cerebrospinal fluid.

Cerebrospinal fluid is of particular interest to people who work on dementia as it is the fluid that bathes the brain and so can contain molecules and proteins that give us information about the state of the brain in health and disease.

Detecting dementia early

We compare fluid from people who have dementia and people who are healthy in order to discover important differences. This gives us clues as to what is happening in the brain to cause these diseases. We also study fluids from people who we know are at risk of a disease due to very rare genetic mutations. This allows us to investigate the very earliest changes. Studies have shown that the changes in the brain associated with dementia can start many years before symptoms. Better biomarkers will help us detect these early changes and when we have the right treatments, that brings the possibility of preventing disease before it starts, which would be the very best outcome.

Testing new treatments

Fluid biomarkers can also help us see if new treatments are working. We can use them to measure whether drugs are actually engaging with biological targets to reduce (or perhaps increase) levels of certain proteins, or reduce damage to brain cells. Fluid biomarkers can help us to ensure that we have the right patients in the right trials, dementia is caused by a complicated set of diseases and this could be key.

The next breakthrough in dementia biomarkers

Most exciting for me right now is the wealth of highly sensitive equipment we have put together in our lab in the UK DRI centre at UCL which is enabling us to collaborate with scientists across the UK DRI and further afield, where we are showing very promising results measuring biomarkers in blood that we simply weren’t able to detect before.

Some of these biomarkers are acting as they do in the spinal fluid meaning that we could obtain samples much more easily with a much less invasive procedure, more quickly and as we need the money for other research, more cheaply! It also enables us to think about future screening, once we have the treatments to make that useful in real life terms.

I started my scientific career at the Institute of Neurology at a time when my grandmother was really quite ill with Parkinson’s disease and showing signs of dementia. I had no idea at that time that dementia was a part of so many neurodegenerative diseases or indeed that it really is not a normal part of aging. Now I am much more informed and my day to day inspiration is the people and their families who allow us to use their samples for research. In my eyes they really are heroes.

I love running and have run a fair few marathons in my time but this time I will be running for a fantastic cause and I will be proud to run the London Marathon 2019 for the Dementia Revolution so that we can continue to work to beat this awful disease.

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You don't have to run the London Marathon to be part of the Revolution.

 

By making a donation you will help power groundbreaking research at the UK Dementia Research Institute.

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