A functional interplay between Aurora-A, Plk1 and TPX2 at spindle poles: Plk1 controls centrosomal localization of Aurora-A and TPX2 spindle association (Articolo in rivista)

Type
Label
  • A functional interplay between Aurora-A, Plk1 and TPX2 at spindle poles: Plk1 controls centrosomal localization of Aurora-A and TPX2 spindle association (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • De Luca M, Lavia P , Guarguaglini G . (2006)
    A functional interplay between Aurora-A, Plk1 and TPX2 at spindle poles: Plk1 controls centrosomal localization of Aurora-A and TPX2 spindle association
    in Cell cycle (Georget. Tex.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Luca M, Lavia P , Guarguaglini G . (literal)
Pagina inizio
  • 296 (literal)
Pagina fine
  • 303 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 5 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute of Molecular Biology and Pathology, CNR; (literal)
Titolo
  • A functional interplay between Aurora-A, Plk1 and TPX2 at spindle poles: Plk1 controls centrosomal localization of Aurora-A and TPX2 spindle association (literal)
Abstract
  • Aurora-A and Plk1 are centrosomal kinases involved in centrosome maturation and spindle assembly. The microtubule-binding protein TPX2 interacts with, and activates, Aurora-A. Here we have used RNA interference-mediated inactivation to investigate whether Aurora-A, Plk1 and TPX2 act independently or are part of one signaling cascade in spindle formation in mammalian cells. We have identified both specific, and over-lapping, roles of each single regulator in centrosome maturation and spindle formation: (1) Aurora-A and TPX2 are required for centriole cohesion and spindle bipolarity; (2) TPX2, besides its known role in microtubule organization, is also involved in centrosome maturation; (3) finally, Plk1 controls the localization of Aurora-A to centrosomes, as well as TPX2 recruitment to microtubules. Based on these results therefore a hierarchical functional relation between Plk1 and the Aurora-A/TPX2 pathway emerges. (literal)
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