Cluster analysis and gene expression profiles: A cDNA microarray system-based comparison between human dental pulp stem cells (hDPSCs) and human mesenchymal stem cells (hMSCs) for tissue engineering cell therapy

Yoichi Yamada, Atsushi Fujimoto, Akira Ito, Ryoko Yoshimi, Minoru Ueda

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

We investigated gene expression patterns and functional classifications regarding the clusters of human dental pulp stem cells (hDPSCs) and human mesenchymal stem cells (hMSCs)-which possess a multipotent ability-because little is known about the precise moleculobiological clues by which these cells activate their differentiating ability or functionality to eventually form dentin and bone, respectively. We first verified the expressions of the alkaline phosphatase (ALP) gene, dentin matrix protein 1 (DMP-1), and dentinsialophosphoprotein (DSPP) by real-time reverse-transcriptase polymerase chain reaction (RT-PCR) and consequently discovered the high expressions of these genes. Total RNA was also followed by hybridization with a human microarray system consisting of 12,814 genes. Analyses of gene expression patterns indicated several genes which encode extracellular matrix components, cell adhesion molecules, growth factors, and transcription regulators. Functional and clustering analyses of differences in gene expression levels revealed cell signaling, cell communication, or cell metabolism. In the future, information on the gene expression patterns of hDPSCs and hMSCs might be useful in determining the detailed functional roles of the relevant genes and applicable to stem cell therapies, and these cells could also be used as multipotent cell sources for gene technology and tissue engineering technology.

Original languageEnglish
Pages (from-to)3766-3781
Number of pages16
JournalBiomaterials
Volume27
Issue number20
DOIs
Publication statusPublished - Jul 1 2006

Fingerprint

Cell Engineering
Dental Pulp
Cluster analysis
Tissue Engineering
Microarrays
Cell- and Tissue-Based Therapy
Oligonucleotide Array Sequence Analysis
Stem cells
Mesenchymal Stromal Cells
Transcriptome
Tissue engineering
Gene expression
Pulp
Cluster Analysis
Stem Cells
Complementary DNA
Genes
Gene Expression
Dentin
Technology

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

Cite this

Cluster analysis and gene expression profiles : A cDNA microarray system-based comparison between human dental pulp stem cells (hDPSCs) and human mesenchymal stem cells (hMSCs) for tissue engineering cell therapy. / Yamada, Yoichi; Fujimoto, Atsushi; Ito, Akira; Yoshimi, Ryoko; Ueda, Minoru.

In: Biomaterials, Vol. 27, No. 20, 01.07.2006, p. 3766-3781.

Research output: Contribution to journalArticle

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