Shirin Stegmann

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Inosine 5'-monophosphate dehydrogenase (IMPDH) is the rate-limiting enzyme in the de novo synthesis of guanine nucleotides, which are also synthesized from guanine by a salvage reaction catalyzed by the X chromosome-linked enzyme hypoxanthine-guanine phosphoribosyltransferase (HPRT). Since inhibitors of IMPDH are in clinical use as immunosuppressive agents,(More)
Indirect presentation of allogeneic MHC antigen is an important pathway by which allografts are rejected and tolerance maintained by regulatory CD4(+) T cells. In this study HLA-A2 derived synthetic peptides were used to determine whether T cells of non-HLA-A2 renal graft recipients, which had been HLA-A2 mismatched to their organ donors, recognize some of(More)
We describe the pharmacokinetics of raltegravir of a preterm newborn after short-course treatment of the mother tested HIV + the day of delivery. At age 1 month, the circulating concentration of raltegravir in the newborn was 29 ng/ml (the IC95 of RAL against HIV-1 is 15 ng/ml). Raltegravir should therefore be considered a potential transplacental(More)
OBJECTIVE Adequacy of organ perfusion depends on sufficient oxygen supply in relation to the metabolic needs. The aim of this study was to evaluate the relationship between gradients of free energy change, and the more commonly used parameter for the evaluation of the adequacy of organ perfusion, such as oxygen-extraction in patients undergoing valve(More)
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