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Neuronal Lipofuscin Accumulation in Ageing and Alzheimer Dementia: A Pathogenic Mechanism?

Published online by Cambridge University Press:  29 January 2018

J. H. Dowson
J. H. Dowson*
Affiliation:
University of Cambridge Clinical School, Addenbrooke's Hospital, Hills Road, Cambridge CB2 2QQ
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Summary

The amount of intraneuronal lipofuscin in the parietal cortex and in the inferior olivary nucleus was measured in post-mortem tissue affected by Alzheimer dementia and in specimens from non-demented individuals. The results indicate that there is a linear relationship between the accumulation of cell body lipofuscin and advancing age, both in neuronal populations of the non-demented group, and in the olivary neurones of the demented group. However, in the demented group, the lipofuscin fluorescence intensity of the parietal neurones was not significantly correlated with age. The estimated amount of lipofuscin in the olivary neurones in the demented group was significantly higher than in the non-demented group, when age has been taken into account (P <0.01). The possible pathogenic role of lipofuscin accumulation in ageing and Alzheimer dementia is discussed.

Type
Research Article
Information
The British Journal of Psychiatry , Volume 140 , Issue 2 , February 1982 , pp. 142 - 148
Copyright
Copyright © Royal College of Psychiatrists, 1982 

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