SYNAPTOPHYSIN AND CHROMOGRANIN-A IMMUNOREACTIVITIES OF LEWY BODIES IN PARKINSONS-DISEASE BRAINS

被引：59

作者：

NISHIMURA, M ^{[1
]}

TOMIMOTO, H ^{[1
]}

SUENAGA, T ^{[1
]}

NAKAMURA, S ^{[1
]}

NAMBA, Y ^{[1
]}

IKEDA, K ^{[1
]}

AKIGUCHI, I ^{[1
]}

KIMURA, J ^{[1
]}

机构：

[1] TOKYO INST PSYCHIAT,DEPT ULTRASTRUCT & HISTOCHEM,TOKYO,TOKYO,JAPAN

来源：

BRAIN RESEARCH | 1994年 / 634卷 / 02期

关键词：

LEWY BODY; PARKINSONS DISEASE; SYNAPTOPHYSIN; CHROMOGRANIN A; IMMUNOHISTOCHEMISTRY; IMMUNOELECTRON MICROSCOPY;

D O I：

10.1016/0006-8993(94)91940-2

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Lewy bodies commonly observed in brains with Parkinson's disease (PD) histochemically contain both protein and lipid as chemical components. Ultrastructurally, they are composed of filamentous, vesicular and granular structures. We investigated PD brains with light and electron microscopic immunohistochemistry using antibodies against two marker proteins for neuronal secretory vesicles, synaptophysin and chromogranin A. Both antibodies immunolabeled the peripheral zones and occasionally central cores of Lewy bodies of the classical and intraneuritic types. In addition, the diffuse immunolabeling was observed in Lewy bodies of the cortical type. Furthermore, the ultrastructural immune-decoration was found mainly in the vesicular structures, and also in the filamentous and granular structures of Lewy bodies. Immune-blot analysis of each antibody showed no difference between PD and normal control brains. The present observations suggest that vesicular profiles of Lewy bodies represent presynaptic and dense core secretory vesicles, and therefore that the lipid elements of Lewy bodies are derived from membrane lipids of these vesicles.

引用

页码：339 / 344

页数：6

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