期刊
MOVEMENT DISORDERS
卷 30, 期 8, 页码 1133-1139出版社
WILEY-BLACKWELL
DOI: 10.1002/mds.26287
关键词
tuberomammillary nucleus; multiple system atrophy; dementia with Lewy bodies
资金
- Multiple System Atrophy Coalition
- Mayo Funds
BackgroundHistaminergic neurons of the tuberomammillary nucleus are critical for maintenance of wakefulness and participate in basal ganglia modulation and sympathoexcitation. All of these functions are affected in multiple system atrophy and dementia with Lewy bodies. ObjectivesTo determine the involvement of histaminergic neurons in these synucleinopathies. MethodsImmunocytochemical staining for histidine decarboxylase and stereological cell counts in the posterolateral hypothalamus from six cases with multiple system atrophy, six with dementia with Lewy bodies, and five healthy controls. ResultsCompared with healthy controls, significant reduction of histaminergic neurons was found both in multiple system atrophy (total estimated cell count, 94,6775,521 vs. 169,579 +/- 12,443; P<0.001) and in dementia with Lewy bodies (91,110 +/- 13,021 vs. 169,579 +/- 12,443; P<0.001). ConclusionsLoss of tuberomammillary histaminergic neurons could potentially contribute to motor, sleep, and autonomic manifestations of both multiple system atrophy and dementia with Lewy bodies. (c) 2015 International Parkinson and Movement Disorder Society
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