It works by looking for a combination of "markers" in the blood which are different in healthy people and those with the disease.

 

Delegates at the Alzheimer's Research UK Conference heard that the University of Nottingham is now developing a quick and easy test to do in clinics.

 

It could mean much earlier diagnosis¹ and better treatments, they said.

 

The test uses some proteins that have been strongly linked with Alzheimer's disease, such as amyloid（淀粉体） and APOE.

 

But through careful analysis of blood from people with the disease, as well as those with early-stage memory problems, the researchers detected some other markers that were suggestive of the disease.

 

Most notably², some proteins related to inflammation seem to have been added to increase the power of the test.

 

 

Prof Kevin Morgan from the University of Nottingham said they still had to validate⁴ the test and it could be a decade before it was used in patients.

 

But he added that the combination of markers they had found was looking very promising.

 

"Our findings are exciting because they show that it is technically⁵ possible to distinguish between healthy people and those with Alzheimer's using a blood test.

 

"As blood tests are a fast and easy way of aiding diagnosis, we are really encouraged by these findings and the potential they hold for the future." 

 

He said there were several ways the test could benefit patients, including giving people a definitive⁶ diagnosis, which was not always possible at the moment.

 

It could also direct future therapies to make sure patients were getting the most appropriate treatment, he explained.

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