Extracellular tyrosinase mRNA within apoptotic bodies is protected from degradation in human serum.

Biochem 1998;5:317–22. 4. Oellerich M, Shipkova M, Schütz E, Weber L, Tönshoff B, Armstrong VW, et al. Pharmacokinetic and metabolic investigations of mycophenolic acid in pediatric patients after renal transplantation: implications for therapeutic drug monitoring. Ther Drug Monit 2000;22:20–6. 5. Pescovitz MD, Conti D, Dunn J, Gonwa T, Halloran P, Sollinger H, et al. Intravenous mycophenolate mofetil: safety, tolerability, and pharmacokinetics. Clin Transplant 2000:14;179–88. 6. Tsina I, Kaloostian M, Lee R, Tarnowski T, Wong B. High-performance liquid chromatographic method for the determination of mycophenolate mofetil in human plasma. J Chromatogr B 1996;681:347–53. 7. McBride JH, Kim S, Reyes A, Rodgerson DO. Measurement of plasma mycophenolic acid in pediatric renal transplant recipients. Clin Chem 1998;44(Suppl 6):A93. 8. Shipkova M, Niedmann PD, Armstrong VW, Schütz E, Wieland E, Oellerich M. Simultaneous determination of mycophenolic acid and its glucuronide in human plasma using a simple high-performance liquid chromatographic procedure. Clin Chem 1998;44:1481–8. 9. Shipkova M, Schütz E, Armstrong VW, Niedmann PD, Oellerich M, Wieland, E. Determination of the acyl glucuronide metabolite of mycophenolic acid in human plasma by HPLC and Emit. Clin Chem 2000;46:365–72. 10. Stamm D. A new concept for quality control of clinical laboratory investigations in the light of clinical requirements and based on reference method values. J Clin Chem Clin Biochem 1982;20:817–24. 11. Hyneck ML, Munafo A, Benet LZ. Effect of pH on acyl migration and hydrolysis of tolmetin glucuronide. Drug Metab Dispos 1988;16:322–4.