Dorothee Albrecht

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To investigate the involvement of protein tyrosine kinases (PTKs) in the growth control of mammary epithelial cells, we have used PCR based cloning to identify PTKs expressed in a mouse mammary epithelial cell line. This approach led to the isolation of two receptor PTKs of the eph-related subfamily; myk-1, a novel member expressed predominantly in lung,(More)
Using a polymerase chain reaction based cloning strategy and conventional cDNA library screening we have characterized a novel intracellular protein tyrosine kinase from mouse mammary tissue. The gene encodes a protein with structural characteristics reminiscent of the src family of protein tyrosine kinases, a partial myristylation signal with glycine in(More)
Human colorectal cancers are known to possess multiple mutations, though how these mutations interact in tumor development and progression has not been fully investigated. We have previously described the FCPIK3ca* murine colon cancer model, which expresses a constitutively activated phosphoinositide-3 kinase (PI3K) in the intestinal epithelium. The(More)
We have recently reported the molecular characterization of a novel murine receptor PTK (myk-1), belonging to the eph-related family, whose expression was differentially regulated during mammary gland development and elevated in invasive mouse mammary tumours. In this communication we have investigated the cellular origin of myk-1 expression by in situ(More)
Intestinal epithelial cells (IECs) are constantly exposed to commensal flora and pathogen challenges. How IECs regulate their innate immune response to maintain gut homeostasis remains unclear. Interferons (IFNs) are cytokines produced during infections. While type I IFN receptors are ubiquitously expressed, type III IFN receptors are expressed only on(More)
Upon viral infection, an arms-race between the cellular intrinsic innate immune system and viral replication is established. To win this race, viruses have established multiple strategies to inhibit the cellular response. Mammalian reovirus (MRV) constitutes a great model to study pathogenesis and life cycle of dsRNA viruses. It replicates in the cytosol of(More)
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