Specific Activation of LIM kinase 2 via Phosphorylation of Threonine 505 by ROCK, a Rho-dependent Protein Kinase
Population
In vitro molecular models studying LIM-kinase 1 (LIMK1) and LIM-kinase 2 (LIMK2)
Comparison
ROCK activation, Y-27632, and LIMK2 mutations vs Control conditions and LIMK1
Design
Preclinical
Authors
Discussion
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Member takes
Implication
Distinguishes LIMK2-specific regulation from LIMK1; leaves open selective cytoskeletal targeting in cardiovascular models.
Structured PICO
P
Population
In vitro molecular models studying LIM-kinase 1 (LIMK1) and LIM-kinase 2 (LIMK2)
I
Intervention
ROCK (Rho-dependent protein kinase) activation, Y-27632 (ROCK inhibitor), and LIMK2 mutations (T505V, T505E)
C
Comparator
Control conditions and LIMK1
O
Outcome
Cofilin phosphorylation and actin cytoskeletal reorganizationsurrogate
This study identifies that ROCK specifically activates LIMK2 via phosphorylation of threonine 505, distinguishing its regulatory pathway from LIMK1.
Cite This Study
Sumi et al. (2001) studied this question.