Robert Jaekel

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The Notch ligands Dll1 and Dll3 are coexpressed in the presomitic mesoderm of mouse embryos. Despite their coexpression, mutations in Dll1 and Dll3 cause strikingly different defects. To determine if there is any functional equivalence, we replaced Dll1 with Dll3 in mice. Dll3 does not compensate for Dll1; DLL1 activates Notch in Drosophila wing discs, but(More)
Notch signaling is involved in many developmental and pathological processes, and its activity must be precisely controlled in order to prevent aberrant development and disease. We have previously shown that the tumor suppressor gene lethal (2) giant discs (lgd) is required to prevent ectopic activation of Notch in developmental processes in Drosophila.(More)
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