MRC scientists make discovery in head-injury associated dementia – Alzheimer’s Society comment

Researchers at the Medical Research Council (MRC) Laboratory of Molecular Biology (LMB) have revealed the atomic structures of the abnormal tau filaments associated with chronic traumatic encephalopathy (CTE), a head injury-associated neurodegenerative disease, and found that they differ in structure from those seen in Alzheimer’s disease.

The study could lead to improving diagnosis of the disease, which is often not made until after death, and the development of new treatments its progression.

Dr Hames Pickett, head of research at Alzheimer’s Society, said: “Dementia is now the UK’s biggest killer, but we still have no cure or drugs that can slow down its progression.

“This innovative technique shows for the first time how the structure of a key protein, tau, varies in different forms of dementia. We’d always assumed that the way proteins fold in dementia would be the same in all forms of the disease, but this work has rewritten the rulebook.

“Although this research is still in its infancy, it has huge potential to develop drugs that target this protein with greater precision than ever before.

“Alzheimer’s Society Drugs Discovery Programme is looking into identifying new drugs to target proteins like tau, and insights from research like this will take us a step closer to finding effective treatments.”

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