Specialia Physiologica

Experientia

, Volume 27, Issue 11, pp 1281-1282

Amino acid accumulation by brain slices: Interactions among tryptophan, phenylalanine and histidine

  • E. BarbosaAffiliated withDepartments of Physiology and Anatomy, Faculty of Medicine
  • , B. HerrerosAffiliated withDepartments of Physiology and Anatomy, Faculty of Medicine
  • , J. L. OjedaAffiliated withDepartments of Physiology and Anatomy, Faculty of Medicine

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Resumen

La concentración de triptófano en cortes de cerebro incubados con este aminoácido durante 60 min, es disminuida por la presencia de fenilalanina pero aumentada por la histidina. El efecto de la histidina se puede explicar por intercambio a nivel de la membrana entre la histidina intracelular y el triptófano extracelular.