期刊
ANNUAL REVIEW OF CELL AND DEVELOPMENTAL BIOLOGY
卷 20, 期 -, 页码 781-810出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev.cellbio.20.010403.113126
关键词
embryogenesis; cancer; beta-catenin; Frizzled; stem cells
Tight control of cell-cell communication is essential for the generation of a normally patterned embryo. A critical mediator of key cell-cell signaling events during embryogenesis is the highly conserved Wnt family of secreted proteins. Recent biochemical and genetic analyses have greatly enriched our understanding of how Wnts signal, and the list of canonical Wnt signaling components has exploded. The data reveal that multiple extracellular, cytoplasmic, and nuclear regulators intricately modulate Wnt signaling levels. In addition, receptor-ligand specificity and feedback loops help to determine Wnt signaling outputs. Writs are required for adult tissue maintenance, and perturbations in Wnt signaling promote both human degenerative diseases and cancer. The next few years are likely to see novel therapeutic reagents aimed at controlling Wnt signaling in order to alleviate these conditions.
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