作者: Chieh Chang , Paul W. Sternberg
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摘要: Molecular genetic studies of C. elegans vulval development have helped to define an evolutionarily conserved signaling pathway from EGF-like ligand through EGF-receptor, Ras and MAP kinase the nucleus. Further identified novel positive regulators such as KSR-1 SUR-8/SOC-2 negative cbl/SLI-1. The many regulatory proteins might serve prevent inappropriate signaling, thus are analogous tumor suppressor genes.