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  1. SSIEM Annual Symposium 2012

    ... to deficiencies of neurotransmitters including serotonin and dopamine. Prof Shoji Yano4 discussed the potential of using easily ... metabolites of melatonin as biomarkers for serotonin and dopamine deficiency in PKU patients’ brains. In a recent study, patients and ...

  2. Short Summary of the SSIEM Annual Symposium, 2018

    ... and their ability to restore brain monoamines, including dopamine, norepinephrine and serotonin. At the SSIEM, as a continuation of her ...

  3. SSIEM Congres report

    ... and 18 age-matched controls. This may suggest that retinal dopamine levels are affected by an imbalance between Phe and tyrosine.   ...

  4. Oral communications

    ... the Phe:Tyr and/or Phe:Trp ratios.) Reduced brain dopamine and serotonin concentrations have long been considered a contributory ...

  5. Perspective interview - K Michael Gibson

    ... Tyr . This is a problem because Tyr is the precursor of dopamine, one of the major monoamine neurotransmitters. The search is still on ...