Abstract
Summary:The Wiskott–Aldrich syndrome protein (WASp) has emerged as a central player in the regulation of actin remodeling in T cells. The unique domain structure of WASp and other WASp family members enables these proteins to associate with a myriad of signaling effectors and to thereby regulate the coupling of T cell antigen receptor (TCR) engagement to both cytoskeletal rearrangement and transcriptional activation. This review focuses on these biochemical properties of WASp and also on the mechanisms whereby WASp interactions with its cognate ligands influence T cell activation. Because of its capacity to shift intracellular location and thereby dictate both the timing and the spatial distribution of actin polymerization following cell stimulation, WASp is well positioned to play major regulatory roles in directing a wide range of cellular processes and signaling pathways. Further dissection of the functional and biochemical properties of WASp therefore represents a promising avenue towards defining the molecular mechanisms that convey TCR stimulatory signals to the actin cytoskeleton and integrate cytoskeletal and other signaling systems so as to evoke a biological response.
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Dates
Type | When |
---|---|
Created | 21 years, 7 months ago (Jan. 12, 2004, 6:43 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 13, 2023, 4:06 p.m.) |
Indexed | 5 months ago (March 30, 2025, 1:04 a.m.) |
Issued | 22 years, 4 months ago (April 1, 2003) |
Published | 22 years, 4 months ago (April 1, 2003) |
Published Online | 22 years, 4 months ago (April 2, 2003) |
Published Print | 22 years, 4 months ago (April 1, 2003) |
@article{Badour_2003, title={The Wiskott–Aldrich syndrome protein: forging the link between actin and cell activation}, volume={192}, ISSN={1600-065X}, url={http://dx.doi.org/10.1034/j.1600-065x.2003.00031.x}, DOI={10.1034/j.1600-065x.2003.00031.x}, number={1}, journal={Immunological Reviews}, publisher={Wiley}, author={Badour, Karen and Zhang, Jinyi and Siminovitch, Katherine A.}, year={2003}, month=apr, pages={98–112} }