Journal of Oral Tissue Engineering
Online ISSN : 1880-0823
Print ISSN : 1348-9623
ISSN-L : 1348-9623
REVIEW
Evaluation of in Vitro Embryotoxicity by Differentiation of Embryonic Stem Cells into Contracting Cardiac Myocytes
Koichi IMAI
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ジャーナル フリー

2010 年 8 巻 1 号 p. 80-85

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Embryotoxic risk factors in dental biomaterials can be examined at the normal differentiation level of mouse embryonic stem cells. On the other hand, cell differentiation is promoted in regenerative medicine. Therefore, mechanisms involved in embryonic stem cell differentiation may have application to regenerative medicine using the embryonic stem cell test (EST). I explain about the EST in the dental field.
To evaluate the embryotoxicity of dental biomaterials, animal experiments are widely performed. However, such experiments are inappropriate for evaluation of the serious influences of biomaterials in the long term. There is a possibility that models for the prediction of long-term embryotoxicity can be produced by in vitro tests. In 1997, Spielmann et al. proposed the first in vitro embryotoxicity test method using ES and 3T3 cells.
The EST holds promise as a screening assay based on the most important mechanisms in embryotoxicity, cytotoxicity and differentiation, as well on differences in sensitivity between adult and embryonic tissues.

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© 2010 by Japanese Association of Regenerative Dentistry
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