Steroidogenic Factor 1 (NR5A1) resides in centrosomes and maintains genomic stability by controlling centrosome homeostasis

P. Y. Lai, C. Y. Wang, W. Y. Chen, Y. H. Kao, H. M. Tsai, T. Tachibana, W. C. Chang, Bon Chu Chung

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

SF-1 (Steroidogenic Factor 1, NR5A1) is a tissue-specific transcription factor critical for the growth, development and differentiation of steroidogenic and a few other endocrine tissues. But how SF-1 regulates cell growth is not entirely clear. Here we found that SF-1 was localized to the centrosome in addition to the nucleus, and SF-1 depletion by shRNA caused centrosome over-duplication, aberrant mitosis and genomic instability, leading to a reduction of cell number. Centrosome amplification defect was rescued by both wild-type SF-1 and transcription-defective SF-1-G35E, suggesting a non-genomic activity of SF-1 involved in centrosome homeostasis. In addition, we identified in SF-1 a centrosome localization signal, whose overexpression led to reduced localization of both SF-1 and γ-tubulin to the centrosome. Our results uncover a novel role of SF-1 in the control of centrosome homeostasis and genomic stability.

Original languageEnglish
Pages (from-to)1836-1844
Number of pages9
JournalCell Death and Differentiation
Volume18
Issue number12
DOIs
Publication statusPublished - Dec 1 2011

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Steroidogenic Factor 1
Centrosome
Genomic Instability
Homeostasis
Tubulin
Growth and Development
Mitosis
Small Interfering RNA
Transcription Factors
Cell Count

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cell Biology

Cite this

Lai, P. Y., Wang, C. Y., Chen, W. Y., Kao, Y. H., Tsai, H. M., Tachibana, T., ... Chung, B. C. (2011). Steroidogenic Factor 1 (NR5A1) resides in centrosomes and maintains genomic stability by controlling centrosome homeostasis. Cell Death and Differentiation, 18(12), 1836-1844. https://doi.org/10.1038/cdd.2011.54

Steroidogenic Factor 1 (NR5A1) resides in centrosomes and maintains genomic stability by controlling centrosome homeostasis. / Lai, P. Y.; Wang, C. Y.; Chen, W. Y.; Kao, Y. H.; Tsai, H. M.; Tachibana, T.; Chang, W. C.; Chung, Bon Chu.

In: Cell Death and Differentiation, Vol. 18, No. 12, 01.12.2011, p. 1836-1844.

Research output: Contribution to journalArticle

Lai, PY, Wang, CY, Chen, WY, Kao, YH, Tsai, HM, Tachibana, T, Chang, WC & Chung, BC 2011, 'Steroidogenic Factor 1 (NR5A1) resides in centrosomes and maintains genomic stability by controlling centrosome homeostasis', Cell Death and Differentiation, vol. 18, no. 12, pp. 1836-1844. https://doi.org/10.1038/cdd.2011.54
Lai, P. Y. ; Wang, C. Y. ; Chen, W. Y. ; Kao, Y. H. ; Tsai, H. M. ; Tachibana, T. ; Chang, W. C. ; Chung, Bon Chu. / Steroidogenic Factor 1 (NR5A1) resides in centrosomes and maintains genomic stability by controlling centrosome homeostasis. In: Cell Death and Differentiation. 2011 ; Vol. 18, No. 12. pp. 1836-1844.
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