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Cited by 427

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Direct Interaction of the Rho GDP Dissociation Inhibitor with Ezrin/Radixin/Moesin Initiates the Activation of the Rho Small G Protein

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Takahashi, Kazuo, Sasaki, Takuya, Mammoto, Akiko, Takaishi, Kenji, Kameyama, Takaaki, Tsukita, Sachiko, Tsukita, Shoichiro, Takai, Yoshimi·1997·Journal of Biological Chemistry

Abstract

The Rho GDP dissociation inhibitor (GDI) forms a complex with the GDP-bound form of the Rho family small G proteins and inhibits their activation. The GDP-bound form complexed with Rho GDI is not activated by the GDP/GTP exchange factor for the Rho family members, suggesting the presence of another factor necessary for this activation. We have reported that the Rho subfamily members regulate the ezrin/radixin/moesin (ERM)-CD44 system, implicated in reorganization of actin filaments. Here we report that Rho GDI directly interacts with ERM, initiating the activation of the Rho subfamily members by reducing the Rho GDI activity. These results suggest that ERM as well as Rho GDI and the Rho GDP/GTP exchange factor are involved in the activation of the Rho subfamily members, which then regulate reorganization of actin filaments through the ERM system.

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Metadata

Authors
Takahashi, K., Sasaki, T., Mammoto, A., Takaishi, K., Kameyama, T., Tsukita, S., Tsukita, S., & Takai, Y.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1997-09
Volume
272
Issue
37
Pages
23371-23375
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2069945609
Cited by
427
References
0
FWCI
9.00
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Direct Interaction of the Rho GDP Dissociation Inhibitor with Ezrin/Radixin/Moesin Initiates the Activation of the Rho Small G Protein. https://app.cochat.ai/papers/10.1074/jbc.272.37.23371
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Takahashi, K., Sasaki, T., Mammoto, A., Takaishi, K., Kameyama, T., Tsukita, S., Tsukita, S., & Takai, Y. (1997). Direct Interaction of the Rho GDP Dissociation Inhibitor with Ezrin/Radixin/Moesin Initiates the Activation of the Rho Small G Protein. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.272.37.23371

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.