Human eosinophil cationic protein enhances stress fiber formation in Balb/c 3T3 fibroblasts and differentiation of rat neonatal cardiomyocytes

Takayuki Fukuda, Miki Iwata, Midori Kitazoe, Takashi Maeda, David Salomon, Satoshi Hirohata, Katsuyuki Tanizawa, Shun'ichi Kuroda, Masaharu Seno

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We found that eosinophil cationic protein (ECP) stimulated the growth of mouse Balb/c 3T3 fibroblasts. ECP-treated 3T3 cells were more flattened and exhibited enhanced stress fiber formation. The enhancement of cytoskeleton after addition of recombinant ECP appeared stable and was able to inhibit disassembly of actin filaments that was induced by fibroblast growth factor-2. The ROCK inhibitor, Y-27632, abrogated this enhancement on stress fiber formation that was induced by ECP indicating the involvement of Rho/ROCK signaling pathway. The effect of ECP was assessed on the differentiation of primary cardiomyocytes derived from rat neonatal heart since the development of actin filaments is significantly related with organization of stress fibers. As the result, both beating rate and the expression of cardiac muscle specific markers such as atrial natriuretic factor were enhanced in the presence of ECP. Thus ECP may also function as a cardiomyocyte differentiation factor.

Original languageEnglish
Pages (from-to)228-236
Number of pages9
JournalGrowth Factors
Volume27
Issue number4
DOIs
Publication statusPublished - 2009

Fingerprint

Eosinophil Cationic Protein
Stress Fibers
Fibroblasts
Cardiac Myocytes
Rats
Fibers
Actin Cytoskeleton
Actins
3T3 Cells
Atrial Natriuretic Factor
Fibroblast Growth Factor 2
human RNASE3 protein
Cytoskeleton
Recombinant Proteins
Muscle
Myocardium
Growth

Keywords

  • Beating rate
  • Cardiomyocyte
  • ECP
  • Fibroblast
  • Stress fiber

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Endocrinology
  • Cell Biology

Cite this

Human eosinophil cationic protein enhances stress fiber formation in Balb/c 3T3 fibroblasts and differentiation of rat neonatal cardiomyocytes. / Fukuda, Takayuki; Iwata, Miki; Kitazoe, Midori; Maeda, Takashi; Salomon, David; Hirohata, Satoshi; Tanizawa, Katsuyuki; Kuroda, Shun'ichi; Seno, Masaharu.

In: Growth Factors, Vol. 27, No. 4, 2009, p. 228-236.

Research output: Contribution to journalArticle

Fukuda, Takayuki ; Iwata, Miki ; Kitazoe, Midori ; Maeda, Takashi ; Salomon, David ; Hirohata, Satoshi ; Tanizawa, Katsuyuki ; Kuroda, Shun'ichi ; Seno, Masaharu. / Human eosinophil cationic protein enhances stress fiber formation in Balb/c 3T3 fibroblasts and differentiation of rat neonatal cardiomyocytes. In: Growth Factors. 2009 ; Vol. 27, No. 4. pp. 228-236.
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AU - Salomon, David

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