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The site-specific integrase from bacteriophage phiC31 functions in mammalian cells and is being applied for genetic engineering, including gene therapy. The phiC31 integrase catalyzes precise, unidirectional recombination between its 30-40-bp attP and attB recognition sites. In mammalian cells, the enzyme also mediates integration of plasmids bearing attB(More)
Human mesenchymal stem cells (hMSCs) exhibit the potential to contribute to a wide variety of endogenous organ tissue repair. However, the signals governing hMSC mobilization out of the bone marrow, release into the bloodstream, and migration/invasion into the target tissue are largely unknown. Since canonical Wnt signaling regulates not only tumor but also(More)
BACKGROUND Human mesenchymal stem cells (hMSC) are increasingly the focus of both basic and clinical research due to their ability to strike a balance between self-renewal and commitment to mesodermal differentiation. However, the promising therapeutic utility of hMSC in regenerative medical approaches requires detailed knowledge about their molecular(More)
In HPV-1 and HPV-4 induced warts as well as in HPV-6 positive condylomata acuminata the quantity of viral DNA encapsulated into virus particles was determined and compared to the total amount of viral DNA present in the papillomas. As shown by filter hybridization using 3H-labeled viral DNA molecularly cloned in Escherichia coli, the amount of total viral(More)
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