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The transcription factor STAT1 is important in natural killer (NK) cells, which provide immediate defense against tumor and virally infected cells. We show that mutation of a single phosphorylation site (Stat1-S727A) enhances NK cell cytotoxicity against a range of tumor cells, accompanied by increased expression of perforin and granzyme B. Stat1-S727A mice(More)
The tubular network of the tracheal system in the Drosophila embryo is created from a set of epithelial placodes by cell migration, rearrangements, fusions and shape changes. A designated number of cells is initially allocated to each branch of the system. We show here that the final cell number in the dorsal branches is not only determined by early(More)
Interleukin-like epithelial-to-mesenchymal transition inducer (ILEI) is an essential cytokine in tumor progression that is upregulated in several cancers, and its altered subcellular localization is a predictor of poor survival in human breast cancer. However, the regulation of ILEI activity and the molecular meaning of its altered localization remain(More)
Background Natural killer (NK) cells are important key players of the innate immune system and provide immediate defense against viral infection and tumor transformation. Therefore , their potential in cancer immunotherapy has grown prominently in the last years [1]. As is known from the literature , the Signal Transducer and Activator of Transcription 1(More)
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