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Plasma tau is incre...
Plasma tau is increased in frontotemporal dementia.
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Foiani, Martha S (author)
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Woollacott, Ione Oc (author)
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Heller, Carolin (author)
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Bocchetta, Martina (author)
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Heslegrave, Amanda (author)
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Dick, Katrina M (author)
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Russell, Lucy L (author)
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Marshall, Charles R (author)
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Mead, Simon (author)
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Schott, Jonathan M (author)
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Fox, Nick C (author)
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Warren, Jason D (author)
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- Zetterberg, Henrik, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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Rohrer, Jonathan D (author)
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(creator_code:org_t)
- 2018-02-13
- 2018
- English.
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In: Journal of neurology, neurosurgery, and psychiatry. - : BMJ. - 1468-330X .- 0022-3050. ; 89:8, s. 804-807
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https://jnnp.bmj.com...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
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- Frontotemporal dementia (FTD) is a heterogeneous neurodegenerative disorder presenting clinically with personality change (behavioural variant FTD (bvFTD)) or language deficits (primary progressive aphasia (PPA)). About a third of FTD is familial with mutations inGRN,MAPTandC9orf72being the major genetic causes. Robust biomarkers of the underlying pathology are still lacking in FTD with no markers currently being able to distinguish those with tau and TDP-43 inclusions during life.This study used an ultrasensitive single molecule methodology to measure plasma tau concentrations in 176 participants: 71 with bvFTD, 83 with PPA and 22 healthy controls. The patient group included 36 with pathogenic mutations in eitherMAPT(n=12),GRN(n=9) orC9orf72(n=15). Group comparisons were performed between clinical and genetic groups and controls using a linear regression model with bias-corrected bootstrap CIs. Correlative analyses were performed to investigate associations with measures of disease severity and progression.Higher plasma tau concentrations were seen in bvFTD (mean 1.96 (SD 1.07) pg/mL) and PPA (2.65 (2.15) pg/mL) compared with controls (1.67 (0.50) pg/mL). Investigating the PPA group further showed significantly higher levels compared with controls in each of the PPA subtypes (non-fluent, semantic and logopenic variants, as well as a fourth group not meeting criteria for one of the three main variants). In the genetic groups, only theMAPTgroup had significantly increased concentrations (2.62 (1.39) pg/mL) compared with controls. No significant correlations were seen with cross-sectional or longitudinal brain volumes, serum neurofilament light chain concentrations or disease duration.Plasma tau levels are increased in FTD in all clinical groups, but in the genetic subtypes only inMAPTmutations, the group of patients who definitively have tau pathology at postmortem. Future studies will be required in pathologically confirmed cohorts to investigate this association further, and whether plasma tau will be helpful in differentiating patients with FTD with tau from those with other pathologies.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
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- ref (subject category)
- art (subject category)
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- By the author/editor
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Foiani, Martha S
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Woollacott, Ione ...
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Heller, Carolin
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Bocchetta, Marti ...
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Heslegrave, Aman ...
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Dick, Katrina M
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show more...
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Russell, Lucy L
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Marshall, Charle ...
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Mead, Simon
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Schott, Jonathan ...
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Fox, Nick C
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Warren, Jason D
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Zetterberg, Henr ...
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Rohrer, Jonathan ...
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Neurosciences
- Articles in the publication
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Journal of neuro ...
- By the university
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University of Gothenburg