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Peering into proteolysis with presenilins.
1Department of Pharmacology, Loyola University Medical Center, Maywood, IL, USA.
Journal of Alzheimer'S Disease : JAD
|September 6, 2002
Summary
Presenilins, initially linked to Alzheimer Disease (AD), are crucial for neuron development and cell biology beyond neurodegeneration. Their discovery stemmed from genetic studies identifying key genes for familial AD.
Area of Science:
- Neuroscience
- Genetics
- Cell Biology
Background:
- Presenilins were first identified due to their association with early-onset familial Alzheimer Disease (AD).
- The discovery involved identifying specific chromosomal loci linked to the disease phenotype.
Purpose of the Study:
- To explore the broader roles of presenilins in neuronal function.
- To understand presenilin impact beyond neurodegeneration, including cell biology and development.
Main Methods:
- Molecular genetics techniques were employed.
- Gene identification and locus mapping were key methodologies.
Main Results:
- The genes responsible for Presenilin 1 (PS1) and Presenilin 2 (PS2) were discovered.
- Presenilins' influence extends to fundamental cellular processes.
Conclusions:
- Presenilins play a significant role in neuron development and cell biology.
- Their function is critical for neuronal health, extending beyond their known link to Alzheimer Disease.