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Does insulin dysfunction play a role in Alzheimer's disease?
Laura Gasparini1, William J Netzer, Paul Greengard
1Nicox Research Institute, Via Ariosto 21, 20091 Bresso, Milan, Italy. gasparini@nicox.it
Trends in Pharmacological Sciences
|June 27, 2002
Summary
Age-related hormone changes impact diseases. This study explores how insulin affects brain function and Alzheimer's disease (AD) pathology, highlighting potential therapeutic targets.
Area of Science:
- Neuroscience
- Endocrinology
- Pathology
Background:
- Hormone level alterations with age contribute to various diseases.
- Insulin influences cognitive and memory functions.
- Links exist between Alzheimer's disease (AD), insulin resistance, and diabetes mellitus.
Purpose of the Study:
- To discuss clinical and biological data on insulin's role in AD.
- To identify potential therapeutic targets for AD intervention.
Main Methods:
- Review of clinical studies linking AD, insulin resistance, and diabetes.
- Analysis of biological studies on insulin's molecular and cellular effects in AD pathology.
Main Results:
- Insulin impacts tau protein phosphorylation, a key feature of neurofibrillary lesions in AD.
- Insulin influences the metabolism of beta-amyloid, central to AD amyloid pathology.
Conclusions:
- Insulin plays a significant role in Alzheimer's disease pathogenesis.
- Understanding insulin's effects provides potential avenues for therapeutic strategies against AD.