Avtor/Urednik     Irman-Florjanc, T; Erjavec, F
Naslov     Kinetics of histamine and tele-methylhistamine elimination from rat plasma
Tip     članek
Vir     Agents Actions
Leto izdaje     1993
Obseg     str. C304-6
Jezik     eng
Abstrakt     Plasma levels of histamine (Hi) and tele-methylhistamine (MeHi) were measured by HPLC after intravenous bolus injection of Hi (45 micro g/kg) or MeHi (55 micro g/kg) in the rat. Increases in plasma Hi (from baseline 2.8 +- 0.4 to about 50 ng/ml at 2 min after the injection) were accompanied by a significant increase in MeHi levels (baseline 1.2 +- 0.3 ng/ml rising up to 11 ng/ml, 6 min after Hi application). After rapid intravenous injection, Hi and MeHi elimination from plasma could be fitted by a double exponential function with halflives in the alpha and beta phases of about 20 sec and 4 min (Hi) or 1 min and 43 min (MeHi). The results suggest that measurement of plasma MeHi, as an indirect marker of Hi release, has an advantage over measuring Hi itself.
Deskriptorji     HISTAMINE
METHYLHISTAMINES
RATS
INJECTIONS, INTRAVENOUS
TIME FACTORS
CHROMATOGRAPHY, HIGH PRESSURE LIQUID