Abstract
Tau accumulation in and neurodegeneration of locus coeruleus (LC) neurons is observed in Alzheimer's disease (AD). We investigated whether tangle and neuronal density in the rostral and caudal LC is characterized by an asymmetric pattern in 77 autopsy cases of the Rush Memory and Aging Project. We found left-right equivalence for tangle density across individuals with and without AD pathology. However, neuronal density, particularly in the caudal-rostral axis of the LC, is asymmetric among individuals with AD pathology. Asymmetry in LC neuronal density may signal advanced disease progression and should be considered in AD neuroimaging studies of LC neurodegeneration.
| Original language | English |
|---|---|
| Pages (from-to) | 105-111 |
| Number of pages | 7 |
| Journal | Journal of Alzheimer's Disease |
| Volume | 99 |
| Issue number | 1 |
| Early online date | 11 Apr 2024 |
| DOIs | |
| Publication status | Published - 2024 |
Keywords
- Alzheimer’s disease
- asymmetry
- autopsy
- brainstem
- locus coeruleus
- neurons
- tangles
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