Correlation between Musashi-1 and c-hairy-1 expression and cell proliferation activity in the developing intestine and stomach of both chicken and mouse

Rieko Asai, Hideyuki Okano, Sadao Yasugi

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Musashi-1 (Msi-1) is an RNA-binding protein that plays key roles in the maintenance of neural stem cell states and in their differentiation into neural cells. Msi-1 has also been proposed as a candidate marker gene of mammalian intestinal stem cells and their immediate lineages. In this study, we examined Msi-1 expression in the small intestine and the stomach of both chicken and mouse during embryonic, fetal and postnatal development. In addition, we analyzed the expression of c-hairy-1, a chicken homologue of mouse Hes1, and assessed the proliferative activity of the cells expressing both of these factors. Significantly, during the development of these digestive organs in both species Msi-1 expression showed dynamic changes, suggesting that it is important for digestive organ development, particularly for epithelial differentiation. Based on our observations of the expression patterns of Msi-1 and c-hairy-1 in the adult small intestine, we speculate that Msi-1 is also a stem cell marker of the chicken small intestinal epithelium.

Original languageEnglish
Pages (from-to)501-510
Number of pages10
JournalDevelopment Growth and Differentiation
Volume47
Issue number8
DOIs
Publication statusPublished - 2005 Oct

Fingerprint

Intestines
Chickens
Stomach
Cell Proliferation
Small Intestine
Stem Cells
Embryonic and Fetal Development
RNA-Binding Proteins
Neural Stem Cells
Intestinal Mucosa
Maintenance
Genes

Keywords

  • c-hairy-1
  • Development
  • Musashi-1
  • Small intestine
  • Stem cells
  • Stomach

ASJC Scopus subject areas

  • Anatomy
  • Developmental Biology
  • Cell Biology

Cite this

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abstract = "Musashi-1 (Msi-1) is an RNA-binding protein that plays key roles in the maintenance of neural stem cell states and in their differentiation into neural cells. Msi-1 has also been proposed as a candidate marker gene of mammalian intestinal stem cells and their immediate lineages. In this study, we examined Msi-1 expression in the small intestine and the stomach of both chicken and mouse during embryonic, fetal and postnatal development. In addition, we analyzed the expression of c-hairy-1, a chicken homologue of mouse Hes1, and assessed the proliferative activity of the cells expressing both of these factors. Significantly, during the development of these digestive organs in both species Msi-1 expression showed dynamic changes, suggesting that it is important for digestive organ development, particularly for epithelial differentiation. Based on our observations of the expression patterns of Msi-1 and c-hairy-1 in the adult small intestine, we speculate that Msi-1 is also a stem cell marker of the chicken small intestinal epithelium.",
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AU - Asai, Rieko

AU - Okano, Hideyuki

AU - Yasugi, Sadao

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Y1 - 2005/10

N2 - Musashi-1 (Msi-1) is an RNA-binding protein that plays key roles in the maintenance of neural stem cell states and in their differentiation into neural cells. Msi-1 has also been proposed as a candidate marker gene of mammalian intestinal stem cells and their immediate lineages. In this study, we examined Msi-1 expression in the small intestine and the stomach of both chicken and mouse during embryonic, fetal and postnatal development. In addition, we analyzed the expression of c-hairy-1, a chicken homologue of mouse Hes1, and assessed the proliferative activity of the cells expressing both of these factors. Significantly, during the development of these digestive organs in both species Msi-1 expression showed dynamic changes, suggesting that it is important for digestive organ development, particularly for epithelial differentiation. Based on our observations of the expression patterns of Msi-1 and c-hairy-1 in the adult small intestine, we speculate that Msi-1 is also a stem cell marker of the chicken small intestinal epithelium.

AB - Musashi-1 (Msi-1) is an RNA-binding protein that plays key roles in the maintenance of neural stem cell states and in their differentiation into neural cells. Msi-1 has also been proposed as a candidate marker gene of mammalian intestinal stem cells and their immediate lineages. In this study, we examined Msi-1 expression in the small intestine and the stomach of both chicken and mouse during embryonic, fetal and postnatal development. In addition, we analyzed the expression of c-hairy-1, a chicken homologue of mouse Hes1, and assessed the proliferative activity of the cells expressing both of these factors. Significantly, during the development of these digestive organs in both species Msi-1 expression showed dynamic changes, suggesting that it is important for digestive organ development, particularly for epithelial differentiation. Based on our observations of the expression patterns of Msi-1 and c-hairy-1 in the adult small intestine, we speculate that Msi-1 is also a stem cell marker of the chicken small intestinal epithelium.

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KW - Stem cells

KW - Stomach

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