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Measurement of Carotenoids in Perifovea using the Macular Pigment Reflectometer
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Lutein and Brain Function.

John W Erdman1, Joshua W Smith1, Matthew J Kuchan2

  • 1Division of Nutritional Sciences, University of Illinois, Urbana, IL 61801, USA.

Foods (Basel, Switzerland)
|November 14, 2015
PubMed
Summary
This summary is machine-generated.

Lutein, a key carotenoid, is concentrated in primate retinas and brains. Research using rhesus macaques explores lutein

Keywords:
animal modelsbrain functioncarotenoidsluteinmonkeys

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Area of Science:

  • Nutritional Neuroscience
  • Carotenoid Research
  • Primate Models

Background:

  • Lutein is a prevalent dietary carotenoid, vital for retinal health alongside zeaxanthin.
  • Interest is growing in lutein's role in primate brain development and function.
  • Limited knowledge exists regarding lutein's brain distribution and physiological significance.

Purpose of the Study:

  • To investigate lutein uptake and bio-localization within the primate brain.
  • To assess the association between lutein localization and brain function.
  • To establish a framework for future lutein-brain research.

Main Methods:

  • Utilizing the rhesus macaque (Macaca mulatta) as a non-human primate model.
  • Reviewing existing literature on lutein's role in retina and brain function.
  • Developing methods for brain lutein localization and studying 13C-lutein biosynthesis for pharmacokinetic analysis.

Main Results:

  • Primate brains, unlike other species, accumulate lutein.
  • The study sets the stage for detailed investigation into lutein's brain distribution.
  • Biosynthesis of 13C-lutein enables in-depth studies of lutein metabolism and pharmacokinetics.

Conclusions:

  • The rhesus macaque model is crucial for understanding lutein's brain function.
  • Further research is needed to elucidate lutein's precise physiological roles in the brain.
  • This work paves the way for exploring lutein's potential therapeutic applications in cognitive health.