Characteristic expression of MSX1, MSX2, TBX2 and ENTPD1 in dental pulp cells

Fujii,Sakiko; Fujimoto,Katsumi; Goto,Noriko; Kanawa,Masami; Kawamoto,Takeshi; Pan,Haiou; Srivatanakul,Petcharin; Rakdang,Waralak; Pornprasitwech,Juthamas; Saskianti,Tania; Suardita,Ketut; Nishimura,Fusanori; Kato,Yukio

doi:10.3892/br.2015.456

Characteristic expression of MSX1, MSX2, TBX2 and ENTPD1 in dental pulp cells

Authors:
- Sakiko Fujii
- Katsumi Fujimoto
- Noriko Goto
- Masami Kanawa
- Takeshi Kawamoto
- Haiou Pan
- Petcharin Srivatanakul
- Waralak Rakdang
- Juthamas Pornprasitwech
- Tania Saskianti
- Ketut Suardita
- Fusanori Nishimura
- Yukio Kato
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Affiliations: Department of Dental Science for Health Promotion, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Hiroshima 734‑8553, Japan, Department of Dental and Medical Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Hiroshima 734‑8553, Japan, Department of Pediatric Dentistry, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Hiroshima 734‑8553, Japan, Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima, Hiroshima 734‑8553, Japan, Two Cells Co., Ltd., Hiroshima, Hiroshima 734‑8551, Japan, BioEden Asia Co., Ltd., Klong Luang, Pathum Thani 12120, Thailand, Department of Pediatric Dentistry, Airlangga University, Surabaya, East Java 60132, Indonesia, Department of Conservative Dentistry, Airlangga University, Surabaya, East Java 60132, Indonesia
Published online on: April 29, 2015 https://doi.org/10.3892/br.2015.456
Pages: 566-572

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Abstract

Dental pulp cells (DPCs) are a promising source of transplantable cells in regenerative medicine. However, DPCs have not been fully characterized at the molecular level. The aim of the present study was to distinguish DPCs from various source‑derived mesenchymal stem cells (MSCs), fibroblasts (FBs) and other cells by the expression of several DPC‑characteristic genes. DPCs were isolated from human pulp tissues by the explant method or the enzyme digestion method, and maintained with media containing 10% serum or 7.5% platelet‑rich plasma. RNA was isolated from the cells and from dental pulp tissue specimens. The mRNA levels were determined by DNA microarray and quantitative polymerase chain reaction analyses. The msh homeobox 1, msh homeobox 2, T‑box 2 and ectonucleoside triphosphate diphosphohydrolase 1 mRNA levels in DPCs were higher than that of the levels identified in the following cell types: MSCs derived from bone marrow, synovium and adipose tissue; and in cells such as FBs, osteoblasts, adipocytes and chondrocytes. The enhanced expression in DPCs was consistently observed irrespective of donor age, tooth type and culture medium. In addition, these genes were expressed at high levels in dental pulp tissue in vivo. In conclusion, this gene set may be useful in the identification and characterization of DPCs in basic studies and pulp cell‑based regeneration therapy.

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