التفاصيل البيبلوغرافية
| العنوان: |
Phosphorylated tau181 in plasma as a potential biomarker for Alzheimer's disease in adults with Down syndrome. |
| المؤلفون: |
Lleó, Alberto, Zetterberg, Henrik, Pegueroles, Jordi, Karikari, Thomas K., Carmona-Iragui, María, Ashton, Nicholas J., Montal, Victor, Barroeta, Isabel, Lantero-Rodríguez, Juan, Videla, Laura, Altuna, Miren, Benejam, Bessy, Fernandez, Susana, Valldeneu, Silvia, Garzón, Diana, Bejanin, Alexandre, Iulita, Maria Florencia, Camacho, Valle, Medrano-Martorell, Santiago, Belbin, Olivia |
| المصدر: |
Nature Communications; 7/14/2021, Vol. 12 Issue 1, p1-8, 8p |
| مصطلحات موضوعية: |
ALZHEIMER'S disease, ADULTS, PLASMA potentials, DOWN syndrome, BIOMARKERS |
| مستخلص: |
Plasma tau phosphorylated at threonine 181 (p-tau181) predicts Alzheimer's disease (AD) pathology with high accuracy in the general population. In this study, we investigated plasma p-tau181 as a biomarker of AD in individuals with Down syndrome (DS). We included 366 adults with DS (240 asymptomatic, 43 prodromal AD, 83 AD dementia) and 44 euploid cognitively normal controls. We measured plasma p-tau181 with a Single molecule array (Simoa) assay. We examined the diagnostic performance of p-tau181 for the detection of AD and the relationship with other fluid and imaging biomarkers. Plasma p-tau181 concentration showed an area under the curve of 0.80 [95% CI 0.73–0.87] and 0.92 [95% CI 0.89–0.95] for the discrimination between asymptomatic individuals versus those in the prodromal and dementia groups, respectively. Plasma p-tau181 correlated with atrophy and hypometabolism in temporoparietal regions. Our findings indicate that plasma p-tau181 concentration can be useful to detect AD in DS. Plasma tau phosphorylated at threonine 181 (p-tau181) predicts Alzheimer's disease (AD) pathology. Here, the authors investigated whether plasma ptau181 could be a potential biomarker of AD in individuals with Down syndrome (DS) and find plasma p-tau181 can detect AD in DS adults. [ABSTRACT FROM AUTHOR] |
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