Josef K Gerber

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The onset of DNA replication is an important step within the life cycle of the human neurotropic polyomavirus JC. In this report, evidence that both the human and the murine tumor suppressor protein p53 strongly inhibit JCV DNA replication in vivo is presented. This inhibition is dose-dependent and not a secondary effect of a decreased expression of JCV(More)
Four ABC half transporters (ALDP, ALDRP, PMP70, and PMP69) have been identified in the mammalian peroxisomal membrane but no function has been unambiguously assigned to any of them. To date X-linked adrenoleukodystrophy (X-ALD) is the only human disease known to result from a defect of one of these ABC transporters, ALDP. Using the yeast two-hybrid system(More)
Human papovavirus JC exhibits a strong tropism for glial cells in vivo. To a large extent, this effect is due to the pronounced glia specificity of viral gene expression, which is mediated by the specific interaction of glial transcription factors such as Tst-1/Oct6/SCIP with viral promoter sequences. Here we show that, in return, expression of the glial(More)
17beta-Hydroxysteroid dehydrogenase from the fungus Cochliobolus lunatus (17beta-HSDcl) is a NADPH dependent member of the short-chain dehydrogenase reductase (SDR) superfamily. Recently, we prepared a homology-built structural model of 17beta-HSDcl using the known three-dimensional structure of homologous 1,3,8-trihydroxynaphthalene reductase from the(More)
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