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2 Cell Transplantation studies impact dental stem cell research for therapeutic purposes
Date:5/8/2012

Tampa, Fla. (May. 8, 2012) Two studies appearing in a recent issue of Cell Transplantation (20:11-12), now freely available on-line at http://www.ingentaconnect.com/content/cog/ct/, evaluate stem cells derived from dental tissues for characteristics that may make them therapeutically useful and appropriate for transplantation purposes.

Induced pluripotent stem cells from immature dental pulp stem cells

A Brazilian and American team of researchers used human immature dental pulp stem cells (IDPSCs) as an alternative source for creating induced pluripotent stem cells (iPSCs), stem cells that can be derived from several kinds of adult tissues. According to the study authors, production of iPSCs "opens new opportunities for increased understanding of human genetic diseases and embryogenesis" and will likely have a "great impact on future drug screening and toxicology tests."

The authors note, however, that the reprogramming methodology for making iPSCs is relatively new and "needs refining" in terms of technique, efficiency and cell type choice.

The researchers report that they easily, and in a short time frame, programmed human immature dental pulp stem cells into iPSCs with the hallmarks of pluripotent stem cells.

"Human IDPSCs can be easily derived from dental pulp extracted from adult or 'baby teeth' during routine dental visits," said study lead author Dr. Patricia C.B. Beltrao-Braga of the highly ranked National Institute of Science and Technology in Stem and Cell Therapy in Ribeirao Preto, Brazil. "hIDPSCs are immunologically privileged and can be used in the absence of any immune suppression protocol and have valuable cell therapy applications, including reconstruction of large cranial defects."

Contact: Dr. Patricia C.B. Beltrao-Braga, National Institute of Science and Technology in Stem Cell and Cell Therapy, 2051 Tenente Catao
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Contact: David Eve
celltransplantation@gmail.com
Cell Transplantation Center of Excellence for Aging and Brain Repair
Source:Eurekalert

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