Temporal T807 binding correlates with CSF tau and phospho-tau in normal elderly

被引：84

作者：

Chhatwal, Jasmeer P. ^{[1
,2
,3
]}

Schultz, Aaron P. ^{[1
,2
,3
]}

Marshall, Gad A. ^{[1
,2
,4
]}

Boot, Brendon ^{[1
,2
,4
,5
]}

Gomez-Isla, Teresa ^{[1
,2
]}

Dumurgier, Julien ^{[2
,6
]}

LaPoint, Molly ^{[2
,3
]}

Scherzer, Clemens ^{[1
,4
,7
]}

Roe, Allyson D. ^{[2
]}

Hyman, Bradley T. ^{[1
,2
]}

Sperling, Reisa A. ^{[1
,2
,3
,4
]}

Johnson, Keith A. ^{[1
,2
,3
,4
]}

机构：

[1] Harvard Med Sch, Boston, MA 02115 USA

[2] Massachusetts Gen Hosp, Boston, MA 02114 USA

[3] Martinos Ctr Biomed Imaging, Charlestown, MA USA

[4] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA

[5] Biogen, Cambridge, MA USA

[6] Univ Paris 07, Lariboisiere Hosp, APHP, Memory Ctr, Paris, France

[7] Harvard NeuroDiscovery Ctr, Boston, MA USA

来源：

NEUROLOGY | 2016年 / 87卷 / 09期

关键词：

ALZHEIMERS-DISEASE; PATHOLOGY; MARKERS; DECLINE;

D O I：

10.1212/WNL.0000000000003050

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Objective: To better understand cross-sectional relationships between CSF and PET measures of tau pathology, we compared regional and global measures of F-18-T807 (AV-1451) PET to CSF protein levels of total tau (t-tau), phosphorylated tau (p-tau), and beta-amyloid 1-42 (A beta 42). Methods: T-tau, p-tau, and A beta 42 levels were assessed using INNOTEST xMAP immunoassays. Linear regression was used to compare regional and global measures of F-18-T807 standardized uptake value ratios (SUVR) to CSF protein levels using data from 31 cognitively unimpaired elderly participants in the Harvard Aging Brain study. Results: After controlling for sex and age, total cortical F-18-T807 binding was significantly correlated with p-tau (partial r = 0.48; p < 0.01) and at trend level with t-tau (partial r = 0.30; p = 0.12). Regional F-18-T807 measures were more strongly correlated with CSF protein levels than the global measure, with both t-tau and p-tau significantly correlated with F-18-T807 SUVR in entorhinal, parahippocampal, and inferior temporal cortical regions (partial r = 0.53-0.73). Peak correlations between CSF and PET measures of tau were similar to those between CSF and PET measures of amyloid burden. Finally, we observed significantly higher temporal T807 SUVR in individuals with high amyloid burden. Conclusions: These data support the link between F-18-T807 PET and CSF measures of tau pathology. In these cognitively normal individuals with F-18-T807 binding largely restricted to the temporal lobe, F-18-T807 SUVR in temporal regions appeared more reflective of CSF t-tau and p-tau than a total cortical measure.

引用

页码：920 / 926

页数：7

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