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Updated: Jul 14, 2026
Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology
Published on: March 23, 2011
Dietary restriction modulates alpha-synuclein expression in the aging rat cortex and hippocampus.
Aleksandra Mladenovic1, Milka Perovic, Nikola Tanic
1Institute for Biological Research, Belgrade, Serbia.
Dietary restriction (DR) may protect against aging-related brain changes. Long-term DR reversed age-related alterations in alpha-synuclein expression in rat brain tissues, suggesting a neuroprotective effect.
Area of Science:
- Neuroscience
- Aging Research
- Molecular Biology
Background:
- Dietary restriction (DR) is a recognized intervention for attenuating aging.
- DR may reduce the risk of age-related neurodegenerative disorders.
- Alpha-synuclein is implicated in Parkinson's disease pathogenesis.
Purpose of the Study:
- To investigate the impact of DR on alpha-synuclein expression.
- To examine age- and tissue-specific changes in alpha-synuclein.
- To assess DR's ability to modify age-related alpha-synuclein alterations.
Main Methods:
- Utilized Real Time RT-PCR to quantify gene expression.
- Studied alpha-synuclein levels in rat cortex and hippocampus.
- Included diverse age groups: adult, middle-aged, late middle-aged, and aged rats.
Main Results:
- Aging demonstrated a tissue-specific regulation of alpha-synuclein expression.
- Long-term DR effectively reversed age-associated changes in alpha-synuclein expression.
- These effects were observed in the late-aged group.
Conclusions:
- Aging influences alpha-synuclein expression in a region-specific manner.
- Dietary restriction can counteract late-life changes in alpha-synuclein.
- DR shows potential as a strategy to mitigate age-related neurodegeneration.
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