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. 2018;66(4):1635-1644.
doi: 10.3233/JAD-180699.

Brains for Dementia Research: Evolution in a Longitudinal Brain Donation Cohort to Maximize Current and Future Value

Paul T Francis  1 , Helen Costello  1 , Gillian M Hayes  1
Affiliations

Brains for Dementia Research: Evolution in a Longitudinal Brain Donation Cohort to Maximize Current and Future Value

Paul T Francis et al. J Alzheimers Dis. 2018.

Abstract

Brain banking has a long and distinguished past, contributing greatly to our understanding of human neurological and psychiatric conditions. Brain banks have been operationally diverse, collecting primarily end stage disease, with variable quality clinical data available, yet it is now recognized the most informative brain donations are from those in longitudinally studied cohorts. The Brains for Dementia Research (BDR) cohort and program was for planned brain donation across five UK brain banks and one donation point, with standardized operating procedures, following longitudinal clinical and psychometric assessments for people with no cognitive impairment as well as those with dementia. Lay representatives with experience of dementia were involved from inception of BDR and 74.5% of all enquiries about participation came through routes that were directly attributable to or influenced by lay representatives. Ten years after inception, this ongoing project has received over 700 brain donations from the recruited cohort of 3,276 potential brain donors. At cohort census for this paper, 72.2% of the living cohort have no cognitive impairment by assessment, whereas only 28.3% of the donated cohort were without cognitive impairment. It is important that brain banks are agile and reflect the changing needs of the research community, given that 'big data', readiness cohorts, and GWAS demand large sample numbers of highly characterized individuals to facilitate new approaches and understanding of pathological processes in dementia.

Keywords: Brain donation; cohort; control; dementia; research tissue bank.

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