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Blood Biomarker for Alzheimer Disease

P-tau181 is Tau protein microtubule-associated protein phosphorylated at 181st amino acid.  

The normal range of P-tau181 in serum is less than 10 pg/ml.


Above 10 pg/ml will indicate a high risk of AD development and intervention therapy is advised.

Lancet neurology, 2020-05, Vol.19 (5), p.422-433

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