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Updated: May 11, 2026
Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
Published on: July 28, 2013
"Assessing relationship between blood MAPT methylation levels and clinical expression in Frontotemporal Dementia"
Gemma Lombardi1,2,3, Silvia Bagnoli4,5, Assunta Ingannato4
1Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), University of Florence, viale Pieraccini 6, Florence, 50139, Italy. gemmalomb@gmail.com.
Introduction:
Little is known regarding the relationship between methylation levels and Frontotemporal Dementia (FTD).
Objective:
The objective of the present study was to assess the relationship between blood MAPT methylation levels and clinical expression in FTD.
Methods:
This cross-sectional observational study was conducted including 54 Italian patients with different phenotypes: 22 behavioral variant FTD (bvFTD), 10 semantic variant (svPPA), 22 non-fluent variant (nfv) Primary Progressive Aphasia (PPA).
Results:
Results reveal a negative correlation between MAPT methylation levels determined by pyrosequencing analysis and the severity of disease in the FTD group and highlight an association between nfvPPA variant and intermediate-high levels of MAPT methylation, which persists also considering disease severity.
Conclusions:
Our findings allow us to speculate that the degree of MAPT methylation in the blood, a test minimally invasive, cost-effective, and easily repeatable could be useful to differentiate FTD variants at onset and to confirm disease stage in symptomatic FTD patients. Further studies, also with a longitudinal design, are warranted to confirm our results.
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