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Wang K, Bacon ML, Tessier JJ, et al. RBM10 Modulates Apoptosis and Influences TNF-α Gene Expression. J Cell Death. 2012;5:1-19doi: 10.4137/JCD.S9073.
Wang, K., Bacon, M. L., Tessier, J. J., Rintala-Maki, N. D., Tang, V., & Sutherland, L. C. (2012). RBM10 Modulates Apoptosis and Influences TNF-α Gene Expression. Journal of cell death, 51-19. https://doi.org/10.4137/JCD.S9073
Wang, Ke, et al. "RBM10 Modulates Apoptosis and Influences TNF-α Gene Expression." Journal of cell death vol. 5 (2012): 1-19. doi: https://doi.org/10.4137/JCD.S9073
Wang K, Bacon ML, Tessier JJ, Rintala-Maki ND, Tang V, Sutherland LC. RBM10 Modulates Apoptosis and Influences TNF-α Gene Expression. J Cell Death. 2012 Jan 27;5:1-19. doi: 10.4137/JCD.S9073. eCollection 2012. PMID: 26446321; PMCID: PMC4583097.
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J Cell Death. 2012 Jan 27;5:1-19. doi: 10.4137/JCD.S9073. eCollection 2012.

RBM10 Modulates Apoptosis and Influences TNF-α Gene Expression.

Journal of cell death

Ke Wang, Mackensey L Bacon, Julie J Tessier, Nina D Rintala-Maki, Vanessa Tang, Leslie C Sutherland

Affiliations

  1. Tumour Biology Group, North East Cancer Centre, Health Sciences North, Laurentian University, Sudbury, Ontario, Canada.
  2. Tumour Biology Group, North East Cancer Centre, Health Sciences North, Laurentian University, Sudbury, Ontario, Canada ; Division of Medical Sciences, Northern Ontario School of Medicine, Laurentian University, Sudbury, Ontario, Canada ; Biomolecular Sciences Program, Laurentian University, Sudbury, Ontario, Canada ; Department of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario, Canada ; Department of Medicine, Division of Medical Oncology, University of Ottawa, Ontario, Canada.

PMID: 26446321 PMCID: PMC4583097 DOI: 10.4137/JCD.S9073

Abstract

Recent evidence suggests that protein encoded by the RNA Binding Motif 10 (RBM10) gene has the ability to modulate apoptosis. The objective of this study was to test this hypothesis by manipulating RBM10 expression levels and examining the downstream consequences. The results showed that transient overexpression of RBM10 correlated with significantly elevated levels of tumour necrosis factor alpha (TNF-α) mRNA and soluble TNF-α (sTNF-α) protein, and increased apoptosis (phosphatidyl serine exposure on the outer cell membrane and nuclear condensation). Stable RNA interference-mediated RBM10 knockdown clones were less susceptible to TNF-α-mediated apoptosis, and had decreased sTNF-α protein levels. Elevated levels of TNF-α associated with RBM10 overexpression resulted from increased TNF-α transcription, not TNF-α mRNA stabilization. These results suggest that RBM10 has the ability to modulate apoptosis, and that it does so via a mechanism involving alterations to TNFR super family-mediated signaling. These data provide the first direct evidence that human RBM10 can function as an apoptosis modulator and cytokine expression regulator.

Keywords: RBM10; RBM5; TNF-alpha; apoptosis; cancer; transcription

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