Advanced glycation modification of Rosenthal fibers in patients with Alexander disease

被引：21

作者：

Castellani, RJ ^{[1
]}

Perry, G ^{[1
]}

Harris, PLR ^{[1
]}

Monnier, VM ^{[1
]}

Cohen, ML ^{[1
]}

Smith, MA ^{[1
]}

机构：

[1] CASE WESTERN RESERVE UNIV,INST PATHOL,DIV NEUROPATHOL,CLEVELAND,OH 44106

来源：

NEUROSCIENCE LETTERS | 1997年 / 231卷 / 02期

基金：

美国国家卫生研究院;

关键词：

Rosenthal fiber; Alexander disease; alpha Beta-crystallin; advanced glycation end products;

D O I：

10.1016/S0304-3940(97)00521-1

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Rosenthal fibers, astrocytic inclusions that accumulate in various neoplastic and non-neoplastic conditions, are a characteristic of Alexander disease, a leukodystrophy of unknown etiology. Given that alpha B crystallin is the major protein component of Rosenthal fibers and that crystallins in the diabetic and aged lens are targets for advanced glycation end product modifications via the Maillard reaction we hypothesized that Rosenthal fibers might contain similar modifications. Using antibodies specific for two products of glycation, pyrraline and pentosidine, we showed labeling of Rosenthal fibers that may account for their insolubility and accumulation. These data suggest that advanced glycation end products may be critical to the pathogenesis of Alexander disease. (C) 1997 Elsevier Science Ireland Ltd.

引用

页码：79 / 82

页数：4

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