Abstract
The pathological accumulation of different peptides is the common base of many neurodegenerative processes, such as Alzheimer’s disease (AD). AD is characterized by amyloid deposits which may cause alterations in neurotransmission, activation of inflammatory mechanisms, neuronal death and cerebral atrophy. Diagnosis in vivo is challenging as the criteria rely mainly on clinical manifestations, which become evident only in a late stage of the disease. While AD can currently be definitively confirmed by postmortem histopathologic examination, in vivo imaging may improve the clinician's ability to identify AD at the earliest stage.
In this regard, the detection of cerebral amyloid plaques with positron emission tomography (PET) is likely to improve diagnosis and allow for a prompt start of an effective therapy. Many PET imaging probes for AD-specific pathological modifications have been developed and proved effective in detecting amyloid deposits in vivo. We here review the current knowledge on PET imaging in the detection of amyloid deposits and their application in the diagnosis of AD.
Keywords: Amyloid, Alzheimer`s disease, Mild Cognitive Impairment, PET, 18F-florbetaben, 18F-Florbetapir, 18F-Flutemetamol, 11C-PiB.
Current Medicinal Chemistry
Title:Radiotracers for Amyloid Imaging in Neurodegenerative Disease: State-of-the-Art and Novel Concepts
Volume: 25 Issue: 26
Author(s): Angelina Cistaro*, Pierpaolo Alongi, Federico Caobelli and Laura Cassalia
Affiliation:
- Positron Emission Tomography Centre IRMET, SPA Affidea Turin,Italy
Keywords: Amyloid, Alzheimer`s disease, Mild Cognitive Impairment, PET, 18F-florbetaben, 18F-Florbetapir, 18F-Flutemetamol, 11C-PiB.
Abstract: The pathological accumulation of different peptides is the common base of many neurodegenerative processes, such as Alzheimer’s disease (AD). AD is characterized by amyloid deposits which may cause alterations in neurotransmission, activation of inflammatory mechanisms, neuronal death and cerebral atrophy. Diagnosis in vivo is challenging as the criteria rely mainly on clinical manifestations, which become evident only in a late stage of the disease. While AD can currently be definitively confirmed by postmortem histopathologic examination, in vivo imaging may improve the clinician's ability to identify AD at the earliest stage.
In this regard, the detection of cerebral amyloid plaques with positron emission tomography (PET) is likely to improve diagnosis and allow for a prompt start of an effective therapy. Many PET imaging probes for AD-specific pathological modifications have been developed and proved effective in detecting amyloid deposits in vivo. We here review the current knowledge on PET imaging in the detection of amyloid deposits and their application in the diagnosis of AD.
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Cite this article as:
Cistaro Angelina*, Alongi Pierpaolo, Caobelli Federico and Cassalia Laura, Radiotracers for Amyloid Imaging in Neurodegenerative Disease: State-of-the-Art and Novel Concepts, Current Medicinal Chemistry 2018; 25 (26) . https://dx.doi.org/10.2174/0929867325666180117094704
DOI https://dx.doi.org/10.2174/0929867325666180117094704 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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