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Keratinocytes express high levels of 25OHD 1alpha-hydroxylase (1OHase). The product of this enzyme, 1,25(OH)(2)D, promotes the differentiation of keratinocytes in vitro. To test whether 1OHase activity is essential for keratinocyte differentiation in vivo we examined the differentiation process in mice null for the expression of the 1alphaOHase gene(More)
This document presents the initial results of the Trilogy project to improve the control mechanisms used for allocating shared network resources in the Internet. It presents the information model that results from the design principles of the Trilogy architecture, which aim to ensure that control mechanisms are flexible enough to allow for the technical,(More)
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