Article ; Online: Clinical application of MAO-B PET using
Geriatrics & gerontology international
2023 Volume 24 Suppl 1, Page(s) 31–43
Abstract: Monoamine oxidase B (MAO-B) is an enzyme localized to the outer mitochondrial membrane and highly concentrated in astrocytes. Temporal changes in regional MAO-B levels can be used as an index of astrocytic proliferation, known as activated astrocytes or ... ...
Abstract | Monoamine oxidase B (MAO-B) is an enzyme localized to the outer mitochondrial membrane and highly concentrated in astrocytes. Temporal changes in regional MAO-B levels can be used as an index of astrocytic proliferation, known as activated astrocytes or astrogliosis. MAO-B is a marker to evaluate the degree of astrogliosis. Therefore, MAO-B positron emission tomography (PET) is a powerful imaging technique for visualizing and quantifying ongoing astrogliosis through the estimate of regional MAO-B levels. Each neurodegenerative disorder generally has a characteristic distribution pattern of astrogliosis secondary to neuronal loss and pathological protein aggregation. Therefore, by imaging astrogliosis, MAO-B PET can be used as a neurodegeneration marker for identifying degenerative lesions. Any inflammation in the brain usually accompanies astrogliosis starting from an acute phase to a chronic phase. Therefore, by imaging astrogliosis, MAO-B PET can be used as a neuroinflammation marker for identifying inflammatory lesions. MAO-B levels are high in gliomas originating from astrocytes but low in lymphoid tumors. Therefore, MAO-B PET can be used as a brain tumor marker for identifying astrocytic gliomas by imaging MAO-B levels and distinguishing between astrocytic and lymphoid tumors. This review summarizes the clinical application of MAO-B PET using |
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MeSH term(s) | Humans ; Monoamine Oxidase/metabolism ; Gliosis/metabolism ; Gliosis/pathology ; Neuroinflammatory Diseases ; Positron-Emission Tomography ; Nervous System Diseases/metabolism ; Nervous System Diseases/pathology ; Brain/metabolism ; Neoplasms ; Aminopyridines ; Quinolines |
Chemical Substances | Monoamine Oxidase (EC 1.4.3.4) ; THK5351 ; Aminopyridines ; Quinolines |
Language | English |
Publishing date | 2023-11-16 |
Publishing country | Japan |
Document type | Journal Article ; Review |
ZDB-ID | 2113849-7 |
ISSN | 1447-0594 ; 1444-1586 |
ISSN (online) | 1447-0594 |
ISSN | 1444-1586 |
DOI | 10.1111/ggi.14729 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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