Tryptophan metabolism in relation to amino acid alterations during typhoid fever.


With the onset of fever in volunteers exposed to virulent Salmonella typhii as part of a vaccine evaluation study, urinary excretion of kynurenine, acetyl-kynurenine and o-amino-hippurate significantly increased by N-methylnicotinamide decreased. Serum tryptophan concentration at that time was 116% of control in contrast to total serum amino acid values at… (More)


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