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Erschienen in: Nuclear Medicine and Molecular Imaging 4/2017

16.03.2017 | Review

Recent Progress in the Development of TSPO PET Ligands for Neuroinflammation Imaging in Neurological Diseases

verfasst von: Md. Maqusood Alam, Jihye Lee, Sang-Yoon Lee

Erschienen in: Nuclear Medicine and Molecular Imaging | Ausgabe 4/2017

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Abstract

Neuroinflammation is heavily associated with various neurological diseases including Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, and stroke. It is strongly characterized by the activation of microglia which can be visualized using position emission tomography (PET). Traditionally, translocator protein 18 kDa (TSPO) has been the preferred target for imaging the inflammatory progression of the microglial component. TSPO is expressed in the outer mitochondrial membrane and present in very low concentrations in the healthy human brain, but is markedly upregulated in response to brain injury and inflammation. Due to its value as a marker of microglial activation and subsequent utility for evaluating neuroinflammation in CNS disorders, several classes of TSPO radioligands have been developed and evaluated. However, the application of these second-generation TSPO radiotracers has been subject to several limiting factors, including a polymorphism that affects TSPO binding. This review focuses on recent developments in TSPO imaging, as well as current limitations and suggestions for future directions from a medical imaging perspective.
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Metadaten
Titel
Recent Progress in the Development of TSPO PET Ligands for Neuroinflammation Imaging in Neurological Diseases
verfasst von
Md. Maqusood Alam
Jihye Lee
Sang-Yoon Lee
Publikationsdatum
16.03.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
Nuclear Medicine and Molecular Imaging / Ausgabe 4/2017
Print ISSN: 1869-3474
Elektronische ISSN: 1869-3482
DOI
https://doi.org/10.1007/s13139-017-0475-8

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