. 2011 Apr 5;79(2):323–335. doi: 10.3797/scipharm.1011-13

Tab. 1.

Concentrations of tryptophan, kynurenine, neopterin and kyn/trp in the supernatant of unstimulated and phytohaemagglutinin (PHA; 10 μg/ml)-stimulated PBMC.

	Unstimulated^a	PHA [10 μg/ml]^a
Tryptophan [μmol/L	21.2 ± 1.6	2.6 ± 1.0^**
Kynurenine [μmol/L]	2.4 ± 0.6	9.9 ± 0.7^**
Kyn/trp [μmol/mmol]	119 ± 15	4658 ± 832^**
Neopterin [nmol/L]	4.7 ± 0.5	16.2 ± 1.8^**

mean of 4 runs ± S.E.M.

^**

p <0.005, compared to unstimulated cells.