Chapter title |
Mechanisms of Mutant LRRK2 Neurodegeneration
|
---|---|
Chapter number | 12 |
Book title |
Leucine-Rich Repeat Kinase 2 (LRRK2)
|
Published in |
Advances in neurobiology, March 2017
|
DOI | 10.1007/978-3-319-49969-7_12 |
Pubmed ID | |
Book ISBNs |
978-3-31-949967-3, 978-3-31-949969-7
|
Authors |
Cookson, Mark R., Mark R. Cookson |
Editors |
Hardy J. Rideout |
Abstract |
LRRK2 mutations are associated with the loss of neurons, that is to say toxicity, in patients and in experimental model systems. However, the mechanisms by which mutations can be linked to neurodegeneration are not fully defined. Here I will argue that mechanism in this context encompasses a variety of levels of information. Mutations or alterations in gene expression at a genetic level are one set of mechanisms that are reflected at the biochemical level likely in enhanced or persistent function of LRRK2. By impacting cellular pathways, prominently including changes in autophagy but also microtubule function, mitochondria and protein synthesis, in neurons and immune cells, the LRRK2 brain is primed for neurodegeneration in an age-dependent manner. These concepts have implications for not only modeling LRRK2 disease but also perhaps for Parkinson's disease more generally, including the development of therapeutic modalities. |
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