期刊
TRENDS IN CELL BIOLOGY
卷 25, 期 3, 页码 171-184出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tcb.2014.12.005
关键词
IQGAP1; IQGAP2; IQGAP3; scaffold; signaling
类别
资金
- National Institutes of Health
Since its discovery in 1994, recognized cellular functions for the scaffold protein IQGAP1 have expanded immensely. Over 100 unique IQGAP1-interacting proteins have been identified, implicating IQGAP1 as a critical integrator of cellular signaling pathways. Initial research established functions for IQGAP1 in cell-cell adhesion, cell migration, and cell signaling. Recent studies have revealed additional IQGAP1 binding partners, expanding the biological roles of IQGAP1. These include crosstalk between signaling cascades, regulation of nuclear function, and Wnt pathway potentiation. Investigation of the IQGAP2 and IQGAP3 homologs demonstrates unique functions, some of which differ from those of IQGAP1. Summarized here are recent observations that enhance our understanding of IQGAP proteins in the integration of diverse signaling pathways.
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