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Scientists have discovered a blood test that can help diagnose Alzheimer's disease before the onset of symptoms, and many of the current tests are complex and expensive.
According to the American Alzheimer's Association, this situation will affect approximately 5.7 million people in America by 2050, although there are few ways to diagnose Alzheimer's disease at this stage early.
Diagnostic methods currently used include MRI and computed tomography, which help rule out other cases that may cause similar symptoms.
Another way to diagnose Alzheimer's disease is to collect cerebrospinal fluid and look for the vital signs of the disease: it is the most accurate test of this degenerative neurological condition, but it is very expensive.
The formation of toxic plaques is one of the signs of Alzheimer's disease and other brain dementias, some of which result from the accumulation of Tau proteins. Tau proteins consist of molecules with somewhat different properties. A specific subset of "taw" molecules that appear at high levels of Alzheimer's disease.
The researchers found a way to detect different types of TAO molecules in the blood and cerebrospinal fluid and tested these methods in plasma (blood component) and cerebrospinal fluid samples of two groups of participants: 65 in the first group and 86 in the other.
A team of researchers at Brigham and Women's Hospital in Boston, Massachusetts, has developed a blood test for the treatment of Alzheimer's disease that takes only two minutes, more effectively and cheaply. In a study published in the journal Alzheimer's and Dementia, researchers were able to detect indicators of Alzheimer's disease before the onset of its obvious symptoms.
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