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Estrogen-related receptor ? decreases RHOA stability to induce orientated cell migration.


ABSTRACT: Several physiopathological processes require orientated cellular migration. This phenomenon highly depends on members of the RHO family of GTPases. Both excessive and deficient RHO activity impair directional migration. A tight control is thus exerted on these proteins through the regulation of their activation and of their stability. Here we show that the estrogen-related receptor ? (ERR?) directly activates the expression of TNFAIP1, the product of which [BTB/POZ domain-containing adapter for Cullin3-mediated RhoA degradation 2 (BACURD2)] regulates RHOA protein turnover. Inactivation of the receptor leads to enhanced RHOA stability and activation. This results in cell disorientation, increased actin network, and inability to form a lamellipodium at the migration edge. As a consequence, directional migration, but not cell motility per se, is impaired in the absence of the receptor, under pathological as well as physiological conditions. Altogether, our results show that the control exerted by ERR? on RHOA stability is required for directional migration.

SUBMITTER: Sailland J 

PROVIDER: S-EPMC4210291 | biostudies-literature | 2014 Oct

REPOSITORIES: biostudies-literature

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Estrogen-related receptor α decreases RHOA stability to induce orientated cell migration.

Sailland Juliette J   Tribollet Violaine V   Forcet Christelle C   Billon Cyrielle C   Barenton Bruno B   Carnesecchi Julie J   Bachmann Alice A   Gauthier Karine Cécile KC   Yu Shan S   Giguère Vincent V   Chan Franky L FL   Vanacker Jean-Marc JM  

Proceedings of the National Academy of Sciences of the United States of America 20141006 42


Several physiopathological processes require orientated cellular migration. This phenomenon highly depends on members of the RHO family of GTPases. Both excessive and deficient RHO activity impair directional migration. A tight control is thus exerted on these proteins through the regulation of their activation and of their stability. Here we show that the estrogen-related receptor α (ERRα) directly activates the expression of TNFAIP1, the product of which [BTB/POZ domain-containing adapter for  ...[more]

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