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School of Public Health, University of California, Los Angeles, California
Amino acids were determined in plasma, muscle and liver tissue of rats receiving vitamin B6-deficient or control diets. In the vitamin B6-deficient animals, there was a pronounced increase in the glycine-to-serine ratio, an increase in cystathionine, and an increase in aspartic acid accompanied by a decrease in alanine. The changes in plasma amino acids were accentuated by a dietary supplement of glycine.
Manuscript received 9 September 1963.