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  • Title: Changes of serum and urinary neopterin concentrations in rats after partial hepatectomy.
    Author: Lai HS, Chen WJ.
    Journal: Eur J Surg; 1999 Jun; 165(6):604-8. PubMed ID: 10433148.
    Abstract:
    OBJECTIVE: To investigate the changes in serum and urinary neopterin concentrations over time after partial hepatectomy in rats, and to find out if neopterin can be used as a marker of immunological response during the regulation of liver regeneration. DESIGN: Randomised experiment. SETTING: University hospital, Taiwan, R.O.C. SUBJECTS: 84 male Wistar rats weighing about 200g. INTERVENTIONS: Partial hepatectomy (67%) or sham operation (n = 42 in each group). MAIN OUTCOME MEASURES: Serum and urinary neopterin concentrations measured by radioimmunoassay preoperatively and on days 1, 2, 3, 5, 7, and 10 postoperatively. RESULTS: Serum neopterin concentrations increased and reached their peak on days 5 and 7 after partial hepatectomy. The urinary neopterin concentration showed a similar trend, but with a more pronounced increase on days 5 and 7. CONCLUSIONS: Serum and urinary neopterin concentrations can be used as markers of activated cell-mediated immunity in rats after partial hepatectomy.
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