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Deubiquitinating enzymes regulate a number of cellular mechanisms including pre-implantation, growth and differentiation, oncogenesis, cell cycle progression, transcriptional activation, and signal transduction. In this study, we have identified a novel human deubiquitinating enzyme gene, USP22, and its mouse homologue, Usp22. They encode 525 amino acids(More)
Recently, we isolated the Dub-2A gene, which encodes a novel murine deubiquitinating enzyme subfamily member, from a bacterial artificial chromosome library clone by PCR amplification with degenerate PCR primers for the Dub-2 cDNA (Baek, K.-H., Mondoux, M. A., Jaster, R., Fire-Levin E., and D'Andrea, A. D. (2001) Blood 98, 636-642). In this study, we(More)
Protein degradation by the ubiquitin system plays a crucial role in numerous cellular signaling pathways. Deubiquitination, a reversal of ubiquitination, has been recognized as an important regulatory step in the ubiquitin-dependent degradation pathway. While identifying putative ubiquitin specific protease (USP) enzymes that contain a conserved Asp (I)(More)
Despite the marked reduction in the incidence of measles in Korea by the introduction of measles vaccine, a large measles epidemic occurred during 2000-2001. During the epidemic, more than 55,000 measles cases were reported and at least 7 children were dead. In this study, we analyzed the genetic and antigenic properties of 15 measles viruses that isolated(More)
Recently, it was discovered that herpesvirus-associated ubiquitin-specific protease (HAUSP) in human interacts with p53 protein, and removes the ubiquitin from ubiquitinated p53. Thus, human HAUSP stabilizes the status of p53, induces p53-dependent cell growth repression and apoptosis. In this study, we isolated and characterized a mouse orthologue of(More)
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