DDR(redirected from German Democratic Republic)
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Related to German Democratic Republic: Stasi
DDR1A gene on chromosome 6p21.3 that encodes a receptor tyrosine kinase belonging to the subfamily homologous to Dictyostelium discoideum protein discoidin (Discoidin Domain-containing Receptor); it is expressed only in epithelial cells (kidney, lung, GI tract, brain) and involved in cell–cell interactions and recognition.
DDR1 is overexpressed in various tumours.