Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Long-term potentiation in aged rats is restored when the age-related decrease in polyunsaturated fatty acid

D S D Martin1, P Spencer, D F Horrobin

  • 1Department of Physiology, Trinity College, Dublin, Ireland.

Prostaglandins, Leukotrienes, and Essential Fatty Acids
|September 27, 2002
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Design, synthesis, and biological evaluation of aryl piperazines with potential as antidiabetic agents via the stimulation of glucose uptake and inhibition of NADH:ubiquinone oxidoreductase.

European journal of medicinal chemistry·2020
Same author

A Diet Enriched in α-Lipoic Acid Reverses the Age-Related Compromise in Antioxidant Defences in Rat Cortical Tissue.

Nutritional neuroscience·2016
Same author

Prostaglandins and the ductus arteriosus.

Canadian Medical Association journal·2010
Same author

Thromboxane A(2) as a possible natural ligand for benzodiazepine receptors.

Neuroscience letters·2009
Same author

The comparison of changes in behavior, neurochemistry, endocrine, and immune functions after different routes, doses and durations of administrations of IL-1beta in rats.

Pharmacopsychiatry·2006
Same author

Ethyl-EPA in Huntington disease: a double-blind, randomized, placebo-controlled trial.

Neurology·2005

Dietary omega-3 fatty acids reversed age-related memory deficits in rats by restoring hippocampal arachidonic acid levels and enhancing long-term potentiation. This suggests a key role for omega-3s in combating age-related cognitive decline.

Area of Science:

  • Neuroscience
  • Aging Research
  • Nutritional Science

Background:

  • Age-related cognitive decline is associated with hippocampal dysfunction, including impaired glutamate release and long-term potentiation.
  • These deficits correlate with reduced levels of arachidonic acid, a key polyunsaturated fatty acid, in the hippocampus.

Purpose of the Study:

  • To investigate the effects of dietary omega-3 and omega-6 fatty acid supplementation on age-related changes in rat hippocampus.
  • To determine if restoring polyunsaturated fatty acid levels can reverse cognitive deficits and improve hippocampal function in aged rats.

Main Methods:

  • Aged and young rats were supplemented with omega-3 or omega-6 fatty acids for 8 weeks.
  • Hippocampal concentrations of arachidonic acid and docosahexanoic acid were measured.

Related Experiment Videos

  • Long-term potentiation in the dentate gyrus was assessed.

    • Main Results:

    • Dietary supplementation with omega-3 fatty acids restored arachidonic acid and docosahexanoic acid levels in aged rats' hippocampi to those of young rats.
    • Aged rats receiving omega-3 supplementation exhibited long-term potentiation comparable to young rats.
    • Evidence suggests a link between increased reactive oxygen species, decreased polyunsaturated fatty acids, and age-related deficits.

    Conclusions:

    • Dietary omega-3 fatty acids, particularly eicosapentaenoic acid, can reverse age-related deficits in hippocampal function and polyunsaturated fatty acid levels.
    • Eicosapentaenoic acid's antioxidant properties may be crucial in mitigating age-related cognitive decline.
    • Nutritional interventions targeting polyunsaturated fatty acid levels show promise for combating aging-related memory impairments.