NIH R01 · 2025
LIM domain kinases: regulation and substrate recognition
LIM Domain Kinases: Regulation and Substrate Recognition ABSTRACT Eukaryotic cells interpret extracellular and intrinsic cues to effect remodeling of the actin cytoskeleton, a process critical for controlling cell morphology, movement, and invasiveness. Tight control of signaling pathways impinging on the cytoskeleton is therefore essential to normal development and homeostasis. The RHO family GTPases RHO, RAC and CDC42 each directly activate kinases (RHO kinases, PAKs, and MRCKs) in a spatially restricted manner that in turn directly phosphorylate and activate the LIM domain kinases (LIMK1 and LIMK2). These kinase signaling cascades ultimately converge on phosphorylation of the cofilin/ADF…
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