Functional activity of RLIM/Rnf12 is regulated by phosphorylation-dependent nucleocytoplasmic shuttling

Baowei Jiao, Naoko Taniguchi-Ishigaki, Cenap Güngör, Marvin A. Peters, Ya Wen Chen, Sabine Riethdorf, Alexander Drung, Leanne G. Ahronian, Jongdae Shin, Rachna Pagnis, Klaus Pantel, Taro Tachibana, Brian C. Lewis, Steven Johnsen, Ingolf Bach

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The X-linked gene Rnf12 encodes the ubiquitin ligase really interesting new gene (RING) finger LIM domain-interacting protein (RLIM)/RING finger protein 12 (Rnf12), which serves as a major sex-specific epigenetic regulator of female mouse nurturing tissues. Early during embryogenesis, RLIM/Rnf12 expressed from the maternal allele is crucial for the development of extraembryonic trophoblast cells. In contrast, in mammary glands of pregnant and lactating adult females RLIM/Rnf12 expressed from the paternal allele functions as a critical survival factor for milk-producing alveolar cells. Although RLIM/Rnf12 is detected mostly in the nucleus, little is known about how and in which cellular compartment(s) RLIM/Rnf12 mediates its biological functions. Here we demonstrate that RLIM/Rnf12 protein shuttles between nucleus and cytoplasm and this is regulated by phosphorylation of serine S214 located within its nuclear localization sequence. We show that shuttling is important for RLIM to exert its biological functions, as alveolar cell survival activity is inhibited in cells expressing shuttling-deficient nuclear or cytoplasmic RLIM/Rnf12. Thus regulated nucleocytoplasmic shuttling of RLIM/Rnf12 coordinates cellular compartments during mammary alveolar cell survival.

Original languageEnglish (US)
Pages (from-to)3085-3096
Number of pages12
JournalMolecular biology of the cell
Volume24
Issue number19
DOIs
StatePublished - Oct 1 2013
Externally publishedYes

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Phosphorylation
Proteins
Alveolar Epithelial Cells
Cell Survival
LIM Domain Proteins
Alleles
X-Linked Genes
Trophoblasts
Human Mammary Glands
Ligases
Ubiquitin
Epigenomics
Serine
Fingers
Embryonic Development
Cytoplasm
Milk
Breast
Mothers
Genes

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Jiao, B., Taniguchi-Ishigaki, N., Güngör, C., Peters, M. A., Chen, Y. W., Riethdorf, S., ... Bach, I. (2013). Functional activity of RLIM/Rnf12 is regulated by phosphorylation-dependent nucleocytoplasmic shuttling. Molecular biology of the cell, 24(19), 3085-3096. https://doi.org/10.1091/mbc.E13-05-0239

Functional activity of RLIM/Rnf12 is regulated by phosphorylation-dependent nucleocytoplasmic shuttling. / Jiao, Baowei; Taniguchi-Ishigaki, Naoko; Güngör, Cenap; Peters, Marvin A.; Chen, Ya Wen; Riethdorf, Sabine; Drung, Alexander; Ahronian, Leanne G.; Shin, Jongdae; Pagnis, Rachna; Pantel, Klaus; Tachibana, Taro; Lewis, Brian C.; Johnsen, Steven; Bach, Ingolf.

In: Molecular biology of the cell, Vol. 24, No. 19, 01.10.2013, p. 3085-3096.

Research output: Contribution to journalArticle

Jiao, B, Taniguchi-Ishigaki, N, Güngör, C, Peters, MA, Chen, YW, Riethdorf, S, Drung, A, Ahronian, LG, Shin, J, Pagnis, R, Pantel, K, Tachibana, T, Lewis, BC, Johnsen, S & Bach, I 2013, 'Functional activity of RLIM/Rnf12 is regulated by phosphorylation-dependent nucleocytoplasmic shuttling', Molecular biology of the cell, vol. 24, no. 19, pp. 3085-3096. https://doi.org/10.1091/mbc.E13-05-0239
Jiao B, Taniguchi-Ishigaki N, Güngör C, Peters MA, Chen YW, Riethdorf S et al. Functional activity of RLIM/Rnf12 is regulated by phosphorylation-dependent nucleocytoplasmic shuttling. Molecular biology of the cell. 2013 Oct 1;24(19):3085-3096. https://doi.org/10.1091/mbc.E13-05-0239
Jiao, Baowei ; Taniguchi-Ishigaki, Naoko ; Güngör, Cenap ; Peters, Marvin A. ; Chen, Ya Wen ; Riethdorf, Sabine ; Drung, Alexander ; Ahronian, Leanne G. ; Shin, Jongdae ; Pagnis, Rachna ; Pantel, Klaus ; Tachibana, Taro ; Lewis, Brian C. ; Johnsen, Steven ; Bach, Ingolf. / Functional activity of RLIM/Rnf12 is regulated by phosphorylation-dependent nucleocytoplasmic shuttling. In: Molecular biology of the cell. 2013 ; Vol. 24, No. 19. pp. 3085-3096.
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