Cell Type-Specific Studies of Human Tissue for Investigation of the Molecular Cell Biology of Late-Onset Neurodegenerative Disease.

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Decades of research into human neurodegenerative diseases have revealed important similarities as well as dissimilarities between diseases. While investigations of specific mechanistic aspects of diseases have been aided by cell and animal models, true advances in the understanding of neurodegeneration require that we deal with the daunting complexities of the human brain. In this review, we discuss novel molecular profiling methods that have been applied to human postmortem brain tissue during the last decade and highlight insights into cell type-specific molecular characteristics and disease-associated changes in both vulnerable and resilient cell types in Huntington's disease, Parkinson's disease, and Alzheimer's disease. We also illustrate how these approaches can complement human genetic analyses and studies of animal models to advance our understanding of human neurodegeneration.

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