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Delivery of Proteins, Peptides or Cell-impermeable Small Molecules into Live Cells by Incubation with the Endosomolytic Reagent dfTAT
Published on: September 2, 2015
Folding proteins in fatal ways
1Center for Neurologic Diseases, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA. dselkoe@rics.bwh.harvard.edu
Abstract:
Human diseases characterized by insoluble extracellular deposits of proteins have been recognized for almost two centuries. Such amyloidoses were once thought to represent arcane secondary phenomena of questionable pathogenic significance. But it is has now become clear that many different proteins can misfold and form extracellular or intracellular aggregates that initiate profound cellular dysfunction. Particularly challenging examples of such disorders occur in the post-mitotic environment of the neuron and include Alzheimer's and Parkinson's diseases. Understanding some of the principles of protein folding has helped to explain how such diseases arise, with attendant therapeutic insights.
Insights
Protein misfolding causes insoluble deposits leading to neurodegenerative diseases like Alzheimer's and Parkinson's. Understanding protein folding offers new therapeutic strategies for these challenging amyloidosis conditions.
Area of Science:
- Neuroscience
- Biochemistry
- Pathology
Background:
- Human diseases involving insoluble protein deposits (amyloidoses) have been known for nearly 200 years.
- These conditions were previously considered secondary and of minor importance.
- Emerging evidence highlights their significant pathogenic role.
Purpose of the Study:
- To explore the link between protein misfolding and the development of human diseases.
- To understand the mechanisms underlying protein aggregation in neurodegenerative disorders.
- To identify potential therapeutic avenues based on protein folding principles.
Main Methods:
- Review of existing literature on protein folding and amyloidosis.
- Analysis of the role of protein aggregates in cellular dysfunction.
- Examination of specific examples in neurological diseases.
Main Results:
- Misfolded proteins can form extracellular or intracellular aggregates.
- These aggregates cause significant cellular dysfunction.
- Neurodegenerative diseases like Alzheimer's and Parkinson's are prime examples.
Conclusions:
- Protein misfolding is a central mechanism in various human diseases.
- Understanding protein folding provides critical insights into disease pathogenesis.
- This knowledge facilitates the development of novel therapeutic strategies for amyloidosis and related disorders.
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