in the future, research into urine biomarkers such as formic acid and albumin could enable dementia to be diagnosed years before symptoms appear. The non-invasive method revolutionizes prevention.
Researchers are working on simple urine tests that could warn of dementia years before the first symptoms appear. Two promising biomarkers are in focus: formic acid and the protein Albumin. The non-invasive method could revolutionize prevention.
Formic acid: early warning sign of Alzheimer’s?
A Chinese study from 2022 provided the first indication. the team analyzed urine samples from 574 people – with Alzheimer’s at various stages and healthy controls. The result: This was the case in all Alzheimer’s groups Formic acid concentration considerably increased.
Notably exciting: Even participants with only subjective memory complaints showed increased values. This suggests an extremely early biomarker. A test based on this would be cheap and simple – an ideal screening method for broad population groups.
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Kidney damage as a risk signal for the brain
The second approach combines kidney and brain health. A large European study with over 130,000 participants over the age of 65 examined the Albuminuria – the excretion of the protein albumin in the urine.
The data showed a clear picture:
* Moderately increased values: 25 percent higher risk of dementia
* Greatly increased values: 37 percent higher risk of dementia
The connection was particularly pronounced in the case of vascular dementia which occurs due to circulatory disorders. The health of the small vessels in the kidneys and brain appears to be closely linked.
Still a long way to the practice
Despite the promising results, the tests are not yet ready for clinical routine. experts are calling for further long-term studies to validate the biomarkers and define clear limit values.
Simultaneously occurring, research is being carried out on other non-invasive methods, such as blood tests for certain microRNAs. The future could be in one Combination of several biomarkers to assess the individual risk more precisely.
A simple urine check as an early warning system would turn dementia prevention on its head. People at risk could be identified years earlier and targeted measures initiated – from lifestyle changes to treatment of underlying diseases. Research is working to make this vision a reality.
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