The tumour suppressor RASSF1A regulates mitosis by inhibiting the APC-Cdc20 complex

Min Sup Song, Su Jeong Song, Nagi G. Ayad, Jin Sook Chang, Joo Hyun Lee, Hyun Kyung Hong, Ho Lee, Naeyun Choi, Jhingook Kim, Hojoong Kim, Jin Woo Kim, Eui Ju Choi, Marc W. Kirschner, Dae Sik Lim

Research output: Contribution to journalArticle

261 Citations (Scopus)

Abstract

The tumour suppressor-gene RASSF1A is frequently silenced in lung cancer and other sporadic tumours as a result of hypermethylation of a CpG island in its promoter. However, the precise mechanism by which RASSF1A functions in cell cycle regulation and tumour suppression has remained unknown. Here we show that RASSF1A regulates the stability of mitotic cyclins and the timing of mitotic progression. RASSF1A localizes to microtubules during interphase and to centrosomes and the spindle during mitosis. The overexpression of RASSF1A induced stabilization of mitotic cyclins and mitotic arrest at prometaphase. RASSF1A interacts with Cdc20, an activator of the anaphase-promoting complex (APC), resulting in the inhibition of APC activity. Although RASSF1A does not contribute to either the Mad2-dependent spindle assembly checkpoint or the function of Emi1 (ref. 1), depletion of RASSF1A by RNA interference accelerated the mitotic cyclin degradation and mitotic progression as a result of premature APC activation. It also caused a cell division defect characterized by centrosome abnormalities and multipolar spindles. These findings Implicate RASSF1A in the regulation of both APC-Cdc20 activity and mitotic progression.

Original languageEnglish
Pages (from-to)129-137
Number of pages9
JournalNature Cell Biology
Volume6
Issue number2
DOIs
Publication statusPublished - 2004 Feb 1

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Anaphase-Promoting Complex-Cyclosome
Mitosis
Cyclins
Tumors
Centrosome
Neoplasms
Cells
Prometaphase
M Phase Cell Cycle Checkpoints
CpG Islands
Interphase
RNA Interference
Tumor Suppressor Genes
Microtubules
Cell Division
Lung Neoplasms
Cell Cycle
Stabilization
Genes
Chemical activation

ASJC Scopus subject areas

  • Cell Biology

Cite this

Song, M. S., Song, S. J., Ayad, N. G., Chang, J. S., Lee, J. H., Hong, H. K., ... Lim, D. S. (2004). The tumour suppressor RASSF1A regulates mitosis by inhibiting the APC-Cdc20 complex. Nature Cell Biology, 6(2), 129-137. https://doi.org/10.1038/ncb1091

The tumour suppressor RASSF1A regulates mitosis by inhibiting the APC-Cdc20 complex. / Song, Min Sup; Song, Su Jeong; Ayad, Nagi G.; Chang, Jin Sook; Lee, Joo Hyun; Hong, Hyun Kyung; Lee, Ho; Choi, Naeyun; Kim, Jhingook; Kim, Hojoong; Kim, Jin Woo; Choi, Eui Ju; Kirschner, Marc W.; Lim, Dae Sik.

In: Nature Cell Biology, Vol. 6, No. 2, 01.02.2004, p. 129-137.

Research output: Contribution to journalArticle

Song, MS, Song, SJ, Ayad, NG, Chang, JS, Lee, JH, Hong, HK, Lee, H, Choi, N, Kim, J, Kim, H, Kim, JW, Choi, EJ, Kirschner, MW & Lim, DS 2004, 'The tumour suppressor RASSF1A regulates mitosis by inhibiting the APC-Cdc20 complex', Nature Cell Biology, vol. 6, no. 2, pp. 129-137. https://doi.org/10.1038/ncb1091
Song MS, Song SJ, Ayad NG, Chang JS, Lee JH, Hong HK et al. The tumour suppressor RASSF1A regulates mitosis by inhibiting the APC-Cdc20 complex. Nature Cell Biology. 2004 Feb 1;6(2):129-137. https://doi.org/10.1038/ncb1091
Song, Min Sup ; Song, Su Jeong ; Ayad, Nagi G. ; Chang, Jin Sook ; Lee, Joo Hyun ; Hong, Hyun Kyung ; Lee, Ho ; Choi, Naeyun ; Kim, Jhingook ; Kim, Hojoong ; Kim, Jin Woo ; Choi, Eui Ju ; Kirschner, Marc W. ; Lim, Dae Sik. / The tumour suppressor RASSF1A regulates mitosis by inhibiting the APC-Cdc20 complex. In: Nature Cell Biology. 2004 ; Vol. 6, No. 2. pp. 129-137.
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