Decoded calreticulin-deficient embryonic stem cell transcriptome resolves latent cardiophenotype

Randolph S. Faustino, Anca Chiriac, Nicolas J. Niederlander, Timothy J Nelson, Atta Behfar, Prasanna K. Mishra, Slobodan I Macura, Marek Michalak, Andre Terzic, Carmen M Terzic

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Genomic perturbations that challenge normal signaling at the pluripotent stage may trigger unforeseen ontogenic aberrancies. Anticipatory systems biology identification of transcriptome landscapes that underlie latent phenotypes would offer molecular diagnosis before the onset of symptoms. The purpose of this study was to assess the impact of calreticulin-deficient embryonic stem cell transcriptomes on molecular functions and physiological systems. Bioinformatic surveillance of calreticulin-null stem cells, a monogenic insult model, diagnosed a disruption in transcriptome dynamics, which re-prioritized essential cellular functions. Calreticulin-calibrated signaling axes were uncovered, and network-wide cartography of undifferentiated stem cell transcripts suggested cardiac manifestations. Calreticulin-deficient stem cell-derived cardiac cells verified disorganized sarcomerogenesis, mitochondrial paucity, and cytoarchitectural aberrations to validate calreticulin-dependent network forecasts. Furthermore, magnetic resonance imaging and histopathology detected a ventricular septal defect, revealing organogenic manifestation of calreticulin deletion. Thus, bioinformatic deciphering of a primordial calreticulin-deficient transcriptome decoded at the pluripotent stem cell stage a reconfigured multifunctional molecular registry to anticipate predifferentiation susceptibility toward abnormal cardiophenotype.

Original languageEnglish (US)
Pages (from-to)1281-1291
Number of pages11
JournalStem Cells
Volume28
Issue number7
DOIs
StatePublished - Jul 2010

Fingerprint

Calreticulin
Embryonic Stem Cells
Transcriptome
Stem Cells
Computational Biology
Null Lymphocytes
Pluripotent Stem Cells
Systems Biology
Ventricular Heart Septal Defects
Registries
Magnetic Resonance Imaging
Phenotype

Keywords

  • Cardiogenesis
  • Cardiopoiesis
  • Network biology
  • Pluripotent stem cells
  • Predictive medicine
  • Transcriptome

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology
  • Molecular Medicine

Cite this

Decoded calreticulin-deficient embryonic stem cell transcriptome resolves latent cardiophenotype. / Faustino, Randolph S.; Chiriac, Anca; Niederlander, Nicolas J.; Nelson, Timothy J; Behfar, Atta; Mishra, Prasanna K.; Macura, Slobodan I; Michalak, Marek; Terzic, Andre; Terzic, Carmen M.

In: Stem Cells, Vol. 28, No. 7, 07.2010, p. 1281-1291.

Research output: Contribution to journalArticle

Faustino, Randolph S. ; Chiriac, Anca ; Niederlander, Nicolas J. ; Nelson, Timothy J ; Behfar, Atta ; Mishra, Prasanna K. ; Macura, Slobodan I ; Michalak, Marek ; Terzic, Andre ; Terzic, Carmen M. / Decoded calreticulin-deficient embryonic stem cell transcriptome resolves latent cardiophenotype. In: Stem Cells. 2010 ; Vol. 28, No. 7. pp. 1281-1291.
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