Human iPS cell-derived neurons uncover the impact of increased ras signaling in costello syndrome

Gemma E. Rooney, Alice F. Goodwin, Philippe Depeille, Amnon Sharir, Claude M. Schofield, Erika Yeh, Jeroen P. Roose, Ophir D. Klein, Katherine A Rauen, Lauren A. Weiss, Erik M. Ullian

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Increasing evidence implicates abnormal Ras signaling as a major contributor in neurodevelopmental disorders, yet how such signaling causes cortical pathogenesis is unknown. We examined the consequences of aberrant Ras signaling in the developing mouse brain and uncovered several critical phenotypes, including increased production of cortical neurons and morphological deficits. To determine whether these phenotypes are recapitulated in humans, we generated induced pluripotent stem (iPS) cell lines from patients with Costello syndrome (CS), a developmental disorder caused by abnormal Ras signaling and characterized by neurodevelopmental abnormalities, such as cognitive impairment and autism. Directed differentiation toward a neuroectodermal fate revealed an extended progenitor phase and subsequent increased production of cortical neurons. Morphological analysis of mature neurons revealed significantly altered neurite length and soma size in CS patients. This study demonstrates the synergy between mouse andhumanmodels and validates the use of iPS cells as a platform to study the underlying cellular pathologies resulting from signaling deficits.

Original languageEnglish (US)
Pages (from-to)142-152
Number of pages11
JournalJournal of Neuroscience
Volume36
Issue number1
DOIs
StatePublished - Jan 6 2016

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Costello Syndrome
Induced Pluripotent Stem Cells
Neurons
Phenotype
Carisoprodol
Neurites
Autistic Disorder
Pathology
Cell Line
Brain

Keywords

  • Cortical development
  • Costello syndrome
  • IPS cells
  • Ras
  • Stem cells

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Rooney, G. E., Goodwin, A. F., Depeille, P., Sharir, A., Schofield, C. M., Yeh, E., ... Ullian, E. M. (2016). Human iPS cell-derived neurons uncover the impact of increased ras signaling in costello syndrome. Journal of Neuroscience, 36(1), 142-152. https://doi.org/10.1523/JNEUROSCI.1547-15.2016

Human iPS cell-derived neurons uncover the impact of increased ras signaling in costello syndrome. / Rooney, Gemma E.; Goodwin, Alice F.; Depeille, Philippe; Sharir, Amnon; Schofield, Claude M.; Yeh, Erika; Roose, Jeroen P.; Klein, Ophir D.; Rauen, Katherine A; Weiss, Lauren A.; Ullian, Erik M.

In: Journal of Neuroscience, Vol. 36, No. 1, 06.01.2016, p. 142-152.

Research output: Contribution to journalArticle

Rooney, GE, Goodwin, AF, Depeille, P, Sharir, A, Schofield, CM, Yeh, E, Roose, JP, Klein, OD, Rauen, KA, Weiss, LA & Ullian, EM 2016, 'Human iPS cell-derived neurons uncover the impact of increased ras signaling in costello syndrome', Journal of Neuroscience, vol. 36, no. 1, pp. 142-152. https://doi.org/10.1523/JNEUROSCI.1547-15.2016
Rooney, Gemma E. ; Goodwin, Alice F. ; Depeille, Philippe ; Sharir, Amnon ; Schofield, Claude M. ; Yeh, Erika ; Roose, Jeroen P. ; Klein, Ophir D. ; Rauen, Katherine A ; Weiss, Lauren A. ; Ullian, Erik M. / Human iPS cell-derived neurons uncover the impact of increased ras signaling in costello syndrome. In: Journal of Neuroscience. 2016 ; Vol. 36, No. 1. pp. 142-152.
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