biomarkers Flashcards
1
Q
b6 biomarker
A
plasma PLP concentration, functional measure is RBC ALT or AST activity
urinary excretion of tryptophan after tryptophan load dose
2
Q
niacin biomarker
A
whole blood NAD/NADP (they decrease in blood PRIOR to pellagra symptoms)
3
Q
thiamin bbiomarker
A
erythrocyte transketolase in whole blood or RBC. ThDP >15% enhances possible deficiency