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New blood test can detect Alzheimer’s disease early

New blood test can detect Alzheimer’s disease early

 


December 29, 2022 — A new blood test that detects Alzheimer’s disease could lead to earlier diagnosis and treatment, researchers say.

The test will be cheaper, less invasive, and more readily available than current testing procedures for most common dementias. They are brain imaging and a painful lumbar puncture, which involves removing cerebrospinal fluid from the lower back.

A new test developed by neuroscientists detects new markers of brain degeneration in Alzheimer’s disease in blood samples. brain.

A test to find a biomarker called “brain-derived tau,” or BD-tau, was performed on 600 patients in various stages of the disease. It is specific for Alzheimer’s disease and correlates well with Alzheimer’s disease markers. cerebrospinal fluid.

“Currently, neuroimaging is required for the diagnosis of Alzheimer’s disease. Press release“These tests are expensive and time-consuming to schedule, and even in the United States, many patients do not have access to MRI or PET scanners. Accessibility is a major issue.”

The development of reliable blood tests would be an important step forward. Guardian report. “Blood tests are cheaper, safer, easier to manage, and can improve clinical confidence in diagnosing Alzheimer’s disease and selecting participants for clinical trials and disease monitoring,” Karikari said. said.

Guardian “The next step is to validate the test in a wider range of patients, including those from different racial and ethnic backgrounds, and those suffering from different stages of memory loss and other underlying dementia symptoms. is.”

Sources

1/ https://Google.com/

2/ https://www.webmd.com/alzheimers/news/20221229/new-blood-test-could-detect-alzheimers-disease-earlier

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