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Effects of Osteogenic Induction on Mesenchymal Cells From Fetal and Maternal Parts of Human Placenta

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To clarify whether the mesenchymal cells derived from human placenta were available for bone regeneration, we investigated the effects of osteogenic induction on mesenchymal cells of fetal and maternal parts of the placenta. The osteogenic-induced mineralization in both types of cells was measured by von Kossa staining, and the calcium concentration and the expression of osteogenic markers were assayed by RT-PCR. In the mesenchymal cells of both parts, osteopontin, osteocalcin, alkaline phosphatase, and collagen type I, which are osteogenic markers, were expressed. Moreover, the mesenchymal cells of the fetal part of the placenta were mineralized for 3 weeks, but those of the maternal part were not. These results showed that the mesenchymal cells derived from human placenta had an osteogenic phenotype and that only the mesenchymal cells of the fetal part were capable of being used as a cell source for bone reconstitution.
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Keywords: Bone regenesis; Mesenchymal cells; Osteogenesis; Placenta

Document Type: Research Article

Affiliations: Division of Cell Processing, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo 108-8639, Japan

Publication date: 2004-01-01

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.

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