In Vitro expression of natriuretic peptides in cardiomyocytes differentiated from monkey embryonic stem cells

Essam Mohamed, Tatsuyuki Takada, Futoshi Toyoda, Mariko Omatsu-Kanbe, Hiroshi Matsuura, Ikuo Tooyama, Ryuzo Torii

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Functional characterization of ES cell-derived cardiomyocytes is important for differentiation control and application to the cell therapy. One of the crucial functions of cardiomyocytes is a production of atrial and brain natriuretic peptides (ANP and BNP, respectively), which have important endocrine, autocrine, and paracrine functions. In this study, we focused on the functional aspect of the cardiomyocytes differentiated from monkey ES cells in vitro and investigated the expression of ANP and BNP. Spontaneously contracting cells showed nodal-like action potentials, and expression of ANP and BNP by RT-PCR and immunocytochemistry. Interestingly, ANP and BNP expressions were detected as immunoreactive granules in the perinuclear area and these signals appeared to co-localize with trans-Golgi network. These findings suggest that monkey ES cells were able to differentiate into cardiomyocytes with functional characteristics in vitro and therefore can be used as a useful model to study mechanisms and functions in early cardiogenesis.

Original languageEnglish
Pages (from-to)689-695
Number of pages7
JournalBiochemical and Biophysical Research Communications
Volume340
Issue number2
DOIs
Publication statusPublished - 10 Feb 2006
Externally publishedYes

Fingerprint

Natriuretic Peptides
Atrial Natriuretic Factor
Embryonic Stem Cells
Stem cells
Cardiac Myocytes
Haplorhini
trans-Golgi Network
Brain Natriuretic Peptide
Cell- and Tissue-Based Therapy
Action Potentials
Immunohistochemistry
In Vitro Techniques
Polymerase Chain Reaction

Keywords

  • ANP
  • BNP
  • Cardiomyocytes
  • Expression
  • In vitro
  • Monkey ES cells

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

In Vitro expression of natriuretic peptides in cardiomyocytes differentiated from monkey embryonic stem cells. / Mohamed, Essam; Takada, Tatsuyuki; Toyoda, Futoshi; Omatsu-Kanbe, Mariko; Matsuura, Hiroshi; Tooyama, Ikuo; Torii, Ryuzo.

In: Biochemical and Biophysical Research Communications, Vol. 340, No. 2, 10.02.2006, p. 689-695.

Research output: Contribution to journalArticle

Mohamed, Essam ; Takada, Tatsuyuki ; Toyoda, Futoshi ; Omatsu-Kanbe, Mariko ; Matsuura, Hiroshi ; Tooyama, Ikuo ; Torii, Ryuzo. / In Vitro expression of natriuretic peptides in cardiomyocytes differentiated from monkey embryonic stem cells. In: Biochemical and Biophysical Research Communications. 2006 ; Vol. 340, No. 2. pp. 689-695.
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