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screening is possible by a drop of blood!

Alzheimer’s disease is most often revealed by memory problems. In order to curb the consequences of this disease, it is important to diagnose it early, a feat difficult to achieve. According to studies, the first symptoms of the disease appear long after the disease has had time to develop. There are many ways to diagnose Alzheimer’s disease. However, the blood test is favored as effective by researchers.

How to diagnose Alzheimer’s disease with a blood test?

According to work published in the journal EMBO Molecular Medecine by German researchers, blood is made up of three molecules that can help prevent cognitive impairment.

According to these researchers from the German Center for Neurodegenerative Diseases in Göttingen, these molecules are just specific microRNAs. Their presence in the blood establishes a connection with the knowledge disorders. Thanks to these biomarkers, a blood test can make it possible to identify Alzheimer’s disease early on.

A test, still not yet known to the general public

According to André Fisher, who conducted this research, this diagnostic method has not yet been adopted by the general public. “At present, the diagnosis of Alzheimer’s comes much too late to even have a chance to have an effective treatment. If the disease is detected early, the chances of positively influencing its course increase ”, did he declare.

For André Fisher, the world needs a test that prevents this disease very early and he believes that diagnosis by analysis of microRNAs is a revolution that will produce positive effects. “We need a test that gives an early warning. We are convinced that the results of our current study pave the way for such tests ”, he emphasizes.

This method has been particularly tested on mice and humans. According to the results, those with low levels of these biomarkers have a low chance of developing this disease. In contrast, two years after the blood test, 90% of people with high microRNAs exhibited this dysfunction.

If the effectiveness of this test is approved, on the other hand, its complexity does not allow it to be popularized. Likewise, it is quite expensive. For this, the German researchers have set themselves the objective of making it simpler and easily accessible to all, and above all at a lower cost. The formula found is that the test is similar like SARS-CoV-2 which is a particularly rapid diagnosis. Except in the case of Alzheimer’s disease, we had to use your drop of blood.

A new diagnostic method to monitor the development of Alzheimer’s disease

According to preliminary research, this test consists in measuring the rate of presence of two molecules which are localized in the plasma. These are P-tau181 and NfL. Alzheimer’s disease therefore progresses depending on the amount of this molecule in your plasma. A sample of 557 people between the ages of 60 and 70 were tested. The result was therefore found to be 88% effective. Display Hide the table of contents

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