DIFFERENTIAL CENTRAL-NERVOUS-SYSTEM RESPONSES FOLLOWING SINGLE AND MULTIPLE RECOMBINANT INTERLEUKIN-2 INFUSIONS

被引:36
作者
ELLISON, MD
KRIEG, RJ
POVLISHOCK, JT
机构
[1] Department of Anatomy, Medical College of Virginia, Richmond
关键词
Blood-brain barrier; Brain parenchyma; Electron microscopy; Immunocytochemistry; Recombinant interleukin-2;
D O I
10.1016/0165-5728(90)90018-I
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
The effects of systemic recombinant human interleukin-2 (rIL-2) infusion on cerebrovascular permeability to an endogenous circulating macromolecule, immunoglobulin G (IgG), were assessed in rats after single and multiple rIL-2 infusions. Ultrastructural detail of the cerebral vasculature and the related brain parenchyma was also examined for rIL-2-related changes following single and multiple infusions. Animals examined 6 and 24 h after a single rIL-2 infusion exhibited moderately increased permeability to IgG that was not observed in those animals examined 6 h after 5 days of rIL-2 infusion. Alterations of cerebrovascular morphology were evident as early as 6 h after a single infusion and were accompanied by occasional axonal degeneration and demyelination. Such structural changes persisted, becoming more widespread after 5 days of rIL-2 infusion, at which time they were associated with other neuronal as well as glial alterations. © 1990.
引用
收藏
页码:249 / 260
页数:12
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