Deubiquitinating enzyme USP33/VDU1 is required for Slit signaling in inhibiting breast cancer cell migration

Junichi Kawada, Mariko Kinoshita-Kawada, Yi Rao, Jane Y. Wu

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

Slit regulates migration of not only neurons, but also nonneuronal cells, such as leukocytes and cancer cells. Slit effect on cancer cell migration has not been well-characterized. In this study, we used several different assays to examine Slit effect on breast cancer cell migration in vitro. We show that ubiquitin-specific protease 33 (USP33)/VDU1, originally identified as a von Hippel-Lindau tumor suppressor (VHL) protein-interacting deubiquitinating enzyme, binds to the Robo1 receptor, and that USP33 is required for Slit responsiveness in breast cancer cells. Slit induces redistribution of Robo1 from intracellular compartments to the plasma membrane in a USP33-dependent manner. Slit impairs directional migration of breast cancer cells without affecting their migration speed. This inhibitory effect is Robo-mediated and USP33-dependent. These data uncover a previously unknown function of USP33 and reveal a new player in Slit-Robo signaling in cancer cell migration.

Original languageEnglish
Pages (from-to)14530-14535
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume106
Issue number34
DOIs
Publication statusPublished - Aug 25 2009

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Ubiquitin-Specific Proteases
Cell Movement
Breast Neoplasms
Von Hippel-Lindau Tumor Suppressor Protein
Neoplasms
Leukocytes
Cell Membrane
Deubiquitinating Enzymes
Neurons

All Science Journal Classification (ASJC) codes

  • General

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Deubiquitinating enzyme USP33/VDU1 is required for Slit signaling in inhibiting breast cancer cell migration. / Kawada, Junichi; Kinoshita-Kawada, Mariko; Rao, Yi; Wu, Jane Y.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 106, No. 34, 25.08.2009, p. 14530-14535.

Research output: Contribution to journalArticle

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