Is Alzheimer’s disease a synaptic disorder?
Abstract: Background: In Alzheimer’s disease (AD), the common symptom is loss of memory. Learning and memory are associated with amoeboid movements of synaptic endings. Docosahexaenoic acid (DHA) is a major lipid constituent of synaptic end sites. Minor changes in the fluidity of phospholipidic membranes have a dramatic impact on the function of synapses, where membrane fluidity may influence the neurotransmitter receptor activity. Method: Studies pertaining to the role of DHA as a neuroprotective agent was reviewed. Results: Here we will show a conceptual framework for the role of DHA in the prevention of AD. The DHA content has been shown to be decreased in the brain and plasma of patients affected by AD. Aspirin triggers the generation of DHA-derived mediators that are themselves neuroprotective. Conclusion: Adequate dietary intakes of the neuroprotective DHA (and aspirin?) may slow down the progression of AD. An essential reserve of synapses from early development is needed. Pages
