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Taurine in developing rhesus monkey brain

J A Sturman, D K Rassin, G E Gaull

    Journal of Neurochemistry
    |August 1, 1980
    PubMed
    Summary
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    Taurine concentrations are higher in fetal and neonatal rhesus monkey brains than in adults. Developing monkey brains accumulate taurine slowly, suggesting a slow exchange during early development.

    Area of Science:

    • Neuroscience
    • Developmental Biology
    • Biochemistry

    Background:

    • Taurine is an amino acid crucial for various physiological functions, including brain development.
    • Understanding taurine dynamics in the developing brain is essential for comprehending neurodevelopmental processes.
    • Previous research suggests species-specific differences in taurine metabolism and transport.

    Purpose of the Study:

    • To investigate the accumulation and exchange rates of taurine in the developing rhesus monkey brain.
    • To compare taurine concentrations and uptake in fetal, neonatal, and adult rhesus monkey brains.
    • To determine the developmental stage at which rapid taurine exchange occurs in the rhesus monkey brain.

    Main Methods:

    • Administration of radiolabeled taurine ([35S]taurine) to pregnant and neonatal rhesus monkeys.

    Related Experiment Videos

  • Measurement of [35S]taurine concentrations in various brain regions and other tissues over time.
  • Comparison of taurine accumulation rates across different developmental stages (fetal, neonatal, adult).

    • Main Results:

    • Fetal and neonatal rhesus monkey brains exhibit higher taurine concentrations than adult brains.
    • The fetal brain shows slow accumulation of [35S]taurine, despite rapid uptake in other fetal tissues.
    • Neonatal rhesus monkey brains also accumulate [35S]taurine slowly and continue uptake for an extended period.

    Conclusions:

    • Taurine accumulation and exchange in the developing rhesus monkey brain are slow processes.
    • This slow exchange is comparable to findings in neonatal rats.
    • Rapid taurine exchange in the rhesus monkey brain likely occurs prior to the major brain growth spurt.