期刊
BIOMOLECULES
卷 12, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/biom12020168
关键词
alpha-synuclein; passive immunization; disease stratification
资金
- Lundbeck Foundation [R322-2019-2544]
- Jascha Foundation
- Danish Parkinson's Association
- Bjarne Saxhofs fond
- Danish Independent Research Fund
This article reviews the current achievements of passive immunotherapy in animal models of synucleinopathies and proposes new research strategies to increase translational outcomes in patient studies.
Alpha-synucleinopathies include Parkinson's disease, dementia with Lewy bodies, pure autonomic failure and multiple system atrophy. These are all progressive neurodegenerative diseases that are characterized by pathological misfolding and accumulation of the protein alpha-synuclein (alpha syn) in neurons, axons or glial cells in the brain, but also in other organs. The abnormal accumulation and propagation of pathogenic alpha syn across the autonomic connectome is associated with progressive loss of neurons in the brain and peripheral organs, resulting in motor and non-motor symptoms. To date, no cure is available for synucleinopathies, and therapy is limited to symptomatic treatment of motor and non-motor symptoms upon diagnosis. Recent advances using passive immunization that target different alpha syn structures show great potential to block disease progression in rodent studies of synucleinopathies. However, passive immunotherapy in clinical trials has been proven safe but less effective than in preclinical conditions. Here we review current achievements of passive immunotherapy in animal models of synucleinopathies. Furthermore, we propose new research strategies to increase translational outcome in patient studies, (1) by using antibodies against immature conformations of pathogenic alpha syn (monomers, post-translationally modified monomers, oligomers and protofibrils) and (2) by focusing treatment on body-first synucleinopathies where damage in the brain is still limited and effective immunization could potentially stop disease progression by blocking the spread of pathogenic alpha syn from peripheral organs to the brain.
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