The peripheral benzodiazepine receptor (Translocator protein 18 kDa) in microglia: From pathology to imaging

被引：311

作者：

Venneti, Sriram

Lopresti, Brian J.

Wiley, Clayton A.

机构：

[1] Univ Pittsburgh, Sch Med, Dept Pathol, Pittsburgh, PA USA

[2] Univ Pittsburgh, Sch Med, Dept Radiol, Pittsburgh, PA USA

来源：

PROGRESS IN NEUROBIOLOGY | 2006年 / 80卷 / 06期

关键词：

positron emission tomography; microglia; PK11195; peripheral benzodiazepine receptor; neuroinflammation;

D O I：

10.1016/j.pneurobio.2006.10.002

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Microglia constitute the primary resident immune surveillance cell in the brain and are thought to play a significant role in the pathogenesis of several neurodegenerative disorders, such as Alzheimer's disease, multiple sclerosis, Parkinson's disease and HIV-associated dementia. Measuring microglial activation in vivo in patients suffering from these diseases may help chart progression of neuroinflammation as well as assess efficacy of therapies designed to modulate neuroinflammation. Recent studies suggest that activated microglia in the CNS may be detected in vivo using positron emission tomography (PET) utilizing pharmacological ligands of the mitochondrial peripheral benzodiazepine receptor (PBR (recently renamed as Translocator protein (18 kDa)). Beginning with the molecular characterization of PBR and regulation in activated microglia, we examine the rationale behind using PBR ligands to image microglia with PET. Current evidence suggests these findings might be applied to the development of clinical assessments of microglial activation in neurological disorders. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：308 / 322

页数：15

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