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Genomic instability is the hallmark of cancer. Checkpoint kinase-1 (Chk1) is required for cell cycle delay after DNA damage or blocked DNA replication. Chk1-depleted tumor cells undergo premature mitosis and apoptosis. Here we analyzed the depletion of Chk1 in normal somatic cells in the absence of DNA damage in order to investigate alternative cell cycle checkpoint mechanism(s). By means of adenoviruses,...
NAK has been identified as an IκB-kinase activating-kinase that plays an important role in NF-κB activation in response to several pro-inflammatory cytokines such as TNF-α. We describe here the genomic structure of the human NAK gene and analysis of the promoter. The gene spanned 40.5 kb and contained 21 exons with lengths ranging from 39 to 196 bp. Comparison of the phase and position of intron insertions...
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