Evidence for Amino Acid Concentration Gradients Between CSF and Extracellular Fluid

V. R. Roettger, Melvyn D. Goldfinger

Research output: Contribution to journalArticlepeer-review

Abstract

A small volume in the extracellular space of the medulla in the anesthetized cat was perfused with cisternal cerebrospinal fluid (CSF) using a push-pull technique. The recovered perfusate was a mixture of pushed CSF and the extracellular fluid. HPLC-EC analysis showed that the concentration of some primary amino acids in recovered perfusate often differed from their concentrations in CSF. These results suggested that amino acid gradients existed between CSF and the extracellular space.

Original languageAmerican English
JournalNeuroscience Letters
Volume178
DOIs
StatePublished - Sep 12 1994

Keywords

  • Amino acids HPLC-electrochemical detection
  • Cerebrospinal fluid
  • Cuneate nucleus
  • Extracellular fluid
  • Push-pull perfusion

Disciplines

  • Medical Cell Biology
  • Medical Neurobiology
  • Medical Physiology
  • Medical Sciences
  • Medicine and Health Sciences
  • Neurosciences
  • Physiological Processes

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